diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml new file mode 100644 index 0000000..d24d13b --- /dev/null +++ b/.github/workflows/test.yml @@ -0,0 +1,17 @@ +name: Browser regression tests +on: + push: + pull_request: +jobs: + test: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + - uses: actions/setup-node@v4 + with: + node-version: 22 + cache: npm + - run: npm ci + - run: npx playwright install --with-deps chromium + - run: npm run check:userscript + - run: npm test diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ae2f532 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +node_modules/ +test-results/ diff --git a/README.md b/README.md new file mode 100644 index 0000000..c911b6d --- /dev/null +++ b/README.md @@ -0,0 +1,128 @@ +# Fix Gemini Parser + +Chrome extension and Tampermonkey userscript for correcting inline Markdown and +LaTeX while Gemini streams a response. Version 5.0.3 uses the same rendering engine +for both distributions. + +## Install + +For Chrome, download/extract the extension ZIP or clone this repository, open +`chrome://extensions`, enable Developer mode, and use **Load unpacked** to select +the directory containing `manifest.json`. Reload existing Gemini tabs after +installing or updating the extension. The popup controls rendering, individual +formats, colors, opacity, and custom declarations. Changes also reach other open +Gemini tabs through `chrome.storage.onChanged`. + +For Tampermonkey, install `user-script.js`. The userscript manager's **Fix Gemini +Parser: Toggle** menu enables/disables rendering and remembers that choice. +Edit `userscript-bootstrap.js` to customize the default format/color settings, +then rebuild the generated script. Its KaTeX and markdown-it dependencies and +fonts use the version-pinned jsDelivr URLs in the metadata. Chrome's distribution +bundles those dependencies and fonts locally. + +## Rendering and toggles + +The engine never writes to a Gemini paragraph's `innerHTML`, moves its children, +or marks it permanently rendered. It reads the current light DOM and renders a +separate shadow tree attached to a supported text block. Gemini retains the +original Text nodes and can update or replace them normally. The preview takes +space in the paragraph's normal flow, so wrapping, width changes, display math, +and following blocks follow its actual height without coordinate overlays. + +While enabled, a clipped, non-interactive, `aria-hidden` slot keeps the original +light DOM available to native text/`innerText` readers. Only the preview is shown +and exposed to accessibility. Turning off removes the preview/styles, cancels +queued work, disconnects observers, and displays the original through a plain +slot. The browser cannot detach a shadow root once created; the root remains with +only that slot while disabled. Original nodes, attributes and event handlers +remain intact. Turning on always scans the current source, including changes +made while off. Finished and streaming responses use the same renderer. + +Text/child/attribute mutations enqueue affected blocks. A fixed 40 ms window +coalesces updates without waiting for the entire stream to finish. Whole +container replacement triggers rediscovery and cleanup. Identical snapshots are +not rewritten. Reconciliation retains equal text/formula nodes instead of replacing +the whole preview. New hosts and structural finalization are processed in the +MutationObserver microtask before the next paint; plain token updates keep the +40 ms coalescing window. Gemini's finished inline tokens keep the streaming fonts +and formatting, and known path/index metadata does not trigger a native fallback. +Native inline visibility/opacity and explicit styles are retained. Class/style +changes on ancestors inside the chat also refresh copied styles. +Formatting-setting changes invalidate snapshots, and stylesheets +are shared across projections. Disclaimers are hidden with removable CSS rather +than deleted. + +Inline formatting uses markdown-it's balanced delimiters, with a narrow repair +for punctuation-ended emphasis/strike immediately followed by Korean suffixes. +Identifier underscores keep the tokenizer's normal word rules. Literal HTML +entity spellings are preserved because the input is already DOM text. Inline +code and math are opaque to other formatting, including when their formatting toggle is off. +Inline code has its own background, spacing, and font inside the shadow tree, +using inherited Gemini theme variables throughout streaming and finalization. +Color/opacity/custom CSS overrides still apply; disabling code repair preserves +native code box styles when other formats keep the paragraph projected. +Unfinished code/math stays literal until closed, and unfinished emphasis follows +the inline tokenizer's literal fallback. Nested literal `` pairs skip tag +spellings inside code/math. Closed code normalizes line breaks and edge spaces before Gemini finalizes it. +Inline dollar math rejects whitespace boundaries and closing dollars followed +by digits to avoid pairing prices; an unmatched plain numeric price does not +block later emphasis. Dollar notation remains ambiguous for unusual prose. +Valid `$...$`, `$$...$$`, `\(...\)`, and `\[...\]` render with +KaTeX's DOM renderer and MathML; invalid math stays literal. Text is built with +DOM APIs, without raw HTML injection or a Trusted Types policy. KaTeX font faces +are registered at document scope and its layout styles at shadow scope. + +## Supported scope + +The engine operates on `p` and `h1`–`h6` in `.chat-container`, excluding known user +query/editor/footer/code regions. Simple native inline formatting is retained. +Adjacent text nodes and spans carrying only Gemini path/index/Angular metadata +can form one Markdown token. + +Blocks containing attachments, links, citations, unrecognized native math, buttons, unknown +components, or interactive/unknown inline attributes remain entirely native. +If those arrive during streaming, an existing preview immediately falls back to +the original slot on the next rendering batch. Recognized inert `span.math-inline` +elements with `data-math` are read as expressions and rendered by our own KaTeX, +including after Gemini finalizes the source. Their descendants are never cloned; +formulas containing interactive descendants still fall back to native display. +Another component's shadow root +is never taken over. Bare `td`/`th` text stays native because those tags cannot +host shadow roots; supported paragraphs/headings inside cells can be rendered. +Markdown delimiters crossing styled native elements are processed per text run, +not across those element boundaries. This is an inline repair tool, not a full +replacement for Gemini's block Markdown renderer. + +The automated tests use simulated Gemini DOM updates and a real installed MV3 +extension against an intercepted `gemini.google.com` fixture. They do not submit +prompts to live Gemini or verify its current private selectors, virtualization, +auto-scroll implementation, or native response-copy button. + +## Develop and verify + +Node.js 20+ is required for development. Runtime distributions do not require +Node.js or an npm install. + +```sh +npm ci +npx playwright install --with-deps chromium +npm run build:userscript +npm run check:userscript +npm test +``` + +`parser-engine.js` is the shared implementation. `content.js` is the Chrome +storage/resource adapter. `user-script.js` is generated from the engine and +`userscript-bootstrap.js`; do not edit the generated engine copy manually. + +The browser tests cover retained source identity, cumulative token updates, +partial delimiters, regeneration, SPA replacement, mid-stream toggles, colors, +native interaction fallback, layout, selection/accessibility, font loading, +Trusted Types, both adapters, and real popup/storage integration. The MV3 test +uses a temporary browser profile under ignored `test-results/` and removes it. +`CHROME_PATH` can override the browser for engine tests; +`EXTENSION_CHROME_PATH` overrides it for the MV3 test and must support extension +sideloading. + +Vendored dependencies: KaTeX 0.16.9 and markdown-it 14.1.0. Their licenses are in +`lib/LICENSE.katex` and `lib/LICENSE.markdown-it`. diff --git a/content.js b/content.js index 5efebba..bdbe8b2 100644 --- a/content.js +++ b/content.js @@ -1,359 +1,40 @@ -// ================================== -// Fix Gemini Parser - Content Script -// ================================== +/* Chrome adapter. Register listeners even when the initial setting is disabled. */ +(function () { + 'use strict'; + const keys = [...Object.keys(GeminiParser.DEFAULTS), ...GeminiParser.COLOR_KEYS]; + let engine = null; + const pending = {}; -// 설정 -let SETTINGS = { - enabled: true, - latex: true, - bold: true, - italic: true, - strike: true, - underline: true, - code: true -}; - -// 색상 설정 -let COLOR_SETTINGS = { - boldColor: null, - italicColor: null, - strikeColor: null, - underlineColor: null, - codeColor: null, - mathColor: null -}; - -// Trusted Types 정책 -let htmlPolicy = { createHTML: (s) => s }; -if (window.trustedTypes?.createPolicy) { - try { - htmlPolicy = window.trustedTypes.createPolicy('gemini-parser', { - createHTML: (s) => s - }); - } catch (e) { console.warn(e); } -} - -// 플레이스홀더 패턴 (충돌 방지용 null 문자 사용) -const PH = { - PREFIX: '\x00\x01GP_', - SUFFIX: '_\x01\x00', - CODE: (i) => `\x00\x01GP_CODE_${i}_\x01\x00`, - MATH: (i) => `\x00\x01GP_MATH_${i}_\x01\x00`, - ELEM: (i) => `\x00\x01GP_ELEM_${i}_\x01\x00`, - REGEX: { - CODE: /\x00\x01GP_CODE_(\d+)_\x01\x00/g, - MATH: /\x00\x01GP_MATH_(\d+)_\x01\x00/g, - ELEM: /\x00\x01GP_ELEM_(\d+)_\x01\x00/g - } -}; - -// 커스텀 스타일 요소 -let customStyleEl = null; - -// ================================== -// 커스텀 스타일 주입 -// ================================== -function injectCustomStyles() { - if (!customStyleEl) { - customStyleEl = document.createElement('style'); - customStyleEl.id = 'gemini-parser-custom-styles'; - document.head.appendChild(customStyleEl); - } - - let css = ''; - - // 헬퍼 함수: 각 스타일 항목 CSS 생성 - function buildStyleRule(selector, colorData) { - if (!colorData) return ''; - - let rule = `${selector} { `; - - // 기본 색상과 투명도 - if (colorData.color) { - rule += `color: ${colorData.color} !important; `; - } - if (colorData.opacity !== undefined && colorData.opacity !== 100) { - rule += `opacity: ${colorData.opacity / 100} !important; `; - } - - // 커스텀 CSS 추가 - if (colorData.customCss) { - // 각 속성에 !important 추가 (없는 경우) - const customRules = colorData.customCss - .split(';') - .map(r => r.trim()) - .filter(r => r) - .map(r => r.includes('!important') ? r : r + ' !important') - .join('; '); - if (customRules) { - rule += customRules + '; '; - } - } - - rule += '}\n'; - return rule; - } - - css += buildStyleRule('.gemini-parser-bold', COLOR_SETTINGS.boldColor); - css += buildStyleRule('.gemini-parser-italic', COLOR_SETTINGS.italicColor); - css += buildStyleRule('.gemini-parser-strike', COLOR_SETTINGS.strikeColor); - css += buildStyleRule('.gemini-parser-underline', COLOR_SETTINGS.underlineColor); - css += buildStyleRule('.gemini-parser-code', COLOR_SETTINGS.codeColor); - css += buildStyleRule('.gemini-parser-math', COLOR_SETTINGS.mathColor); - - customStyleEl.textContent = css; -} - -// ================================== -// DOM → Markdown 변환 -// ================================== -function serialize(node, ctx = { preserved: [] }) { - if (node.nodeType === Node.TEXT_NODE) { - return node.nodeValue; - } - - if (node.nodeType !== Node.ELEMENT_NODE) { - return ''; - } - - // 보존해야 할 요소 (화이트리스트) - if (node.tagName === 'RESPONSE-ELEMENT' || - node.classList.contains('attachment-container') - ) { - const index = ctx.preserved.push(node.outerHTML) - 1; - return PH.ELEM(index); - } - - const tag = node.tagName; - const children = Array.from(node.childNodes).map(c => serialize(c, ctx)).join(''); - - switch (tag) { - case 'I': - case 'EM': - return `*${children}*`; - case 'B': - case 'STRONG': - return `**${children}**`; - case 'S': - case 'DEL': - return `~~${children}~~`; - case 'U': - return `${children}`; - case 'CODE': - return `\`${children}\``; - case 'BR': - return '\n'; - default: - if (node.classList.contains('math-inline')) { - const math = node.getAttribute('data-math'); - if (math) return `$${math}$`; - } - return children; - } -} - -// ================================== -// Markdown → HTML 변환 -// ================================== -function render(text, preserved = []) { - // HTML 이스케이프 - let html = text - .replace(/&/g, '&') - .replace(//g, '>'); - - // 1. 인라인 코드 보호 - const codes = []; - if (SETTINGS.code) { - html = html.replace(/(`+)(.*?)\1/g, (_, tick, content) => { - codes.push(`${content}`); - return PH.CODE(codes.length - 1); - }); - } - - // 2. LaTeX 수식 - const maths = []; - if (SETTINGS.latex && typeof katex !== 'undefined') { - html = html.replace(/(? { - try { - const clean = latex - .replace(/</g, '<') - .replace(/>/g, '>') - .replace(/&/g, '&'); - const rendered = katex.renderToString(clean, { - throwOnError: true, - output: 'html', - displayMode: false - }); - maths.push(`${rendered}`); - return PH.MATH(maths.length - 1); - } catch { - return match; - } - }); - } - - // 3. 마크다운 서식 - if (SETTINGS.bold) html = html.replace(/\*\*(.*?)\*\*/g, '$1'); - if (SETTINGS.italic) html = html.replace(/(?$1'); - if (SETTINGS.strike) html = html.replace(/~~(.*?)~~/g, '$1'); - if (SETTINGS.underline) html = html.replace(/<u>(.*?)<\/u>/g, '$1'); - - // 4. 코드 복구 - if (SETTINGS.code) { - html = html.replace(PH.REGEX.CODE, (_, i) => codes[i]); - } - - // 5. 줄바꿈 - html = html.replace(/\n/g, '
'); - - // 6. 수식 복구 - if (SETTINGS.latex) { - html = html.replace(PH.REGEX.MATH, (_, i) => maths[i]); + function apply(values) { + if (engine) engine.updateSettings(values); + else Object.assign(pending, values); } - // 7. 보존된 요소 복구 - html = html.replace(PH.REGEX.ELEM, (_, i) => preserved[i]); - - return html; -} - -// ================================== -// 처리 필요 여부 체크 -// ================================== -function needsProcessing(text) { - if (!text.trim()) return false; - return /\*|\$|`|~~|/.test(text); -} - -// ================================== -// 면책 조항 제거 -// ================================== -function removeDisclaimers() { - // hallucination-disclaimer 요소를 높이 16px 빈 공간으로 변경 - document.querySelectorAll('hallucination-disclaimer').forEach(el => { - el.style.height = '16px'; - el.style.display = 'block'; - el.style.visibility = 'hidden'; - el.innerHTML = ''; + chrome.runtime.onMessage.addListener(message => { + if (message.type === 'settingsUpdated') apply(message.settings); }); -} - -// ================================== -// 메인 렌더링 -// ================================== -const SELECTOR = 'p:not([data-rendered]), h1:not([data-rendered]), h2:not([data-rendered]), h3:not([data-rendered]), h4:not([data-rendered]), td:not([data-rendered]), th:not([data-rendered])'; - -function reRender() { - if (!SETTINGS.enabled) return; - - const container = document.querySelector('.chat-container'); - if (!container) return; - - // 스트리밍 중이면 건너뛰기 - if (container.querySelector('.response-footer.animated')) return; - - container.querySelectorAll(SELECTOR).forEach(el => { - const ctx = { preserved: [] }; - const markdown = serialize(el, ctx); - - if (!needsProcessing(markdown)) { - el.setAttribute('data-rendered', ''); - return; - } - - const newHtml = render(markdown, ctx.preserved); - if (el.innerHTML !== newHtml) { - el.innerHTML = htmlPolicy.createHTML(newHtml); - } - el.setAttribute('data-rendered', ''); - }); -} - -// ================================== -// 초기화 -// ================================== -const ALL_KEYS = [ - 'enabled', 'latex', 'bold', 'italic', 'strike', 'underline', 'code', - 'boldColor', 'italicColor', 'strikeColor', 'underlineColor', 'codeColor', 'mathColor' -]; - -chrome.storage.sync.get(ALL_KEYS, (stored) => { - // 설정 적용 - SETTINGS = { - enabled: stored.enabled ?? true, - latex: stored.latex ?? true, - bold: stored.bold ?? true, - italic: stored.italic ?? true, - strike: stored.strike ?? true, - underline: stored.underline ?? true, - code: stored.code ?? true - }; - - // 색상 설정 적용 - COLOR_SETTINGS = { - boldColor: stored.boldColor ?? null, - italicColor: stored.italicColor ?? null, - strikeColor: stored.strikeColor ?? null, - underlineColor: stored.underlineColor ?? null, - codeColor: stored.codeColor ?? null, - mathColor: stored.mathColor ?? null - }; - - if (!SETTINGS.enabled) { - console.log('[Gemini Parser] Disabled'); - return; - } - - // 커스텀 스타일 주입 - injectCustomStyles(); - - // 면책 조항 제거 - removeDisclaimers(); - - // DOM 변경 감지 - new MutationObserver(() => { - reRender(); - removeDisclaimers(); - }).observe(document.body, { - childList: true, - subtree: true + chrome.storage.onChanged.addListener((changes, area) => { + if (area !== 'sync') return; + const values = {}; + keys.forEach(key => { + if (Object.hasOwn(changes, key)) values[key] = changes[key].newValue ?? GeminiParser.DEFAULTS[key] ?? null; + }); + apply(values); }); - reRender(); - console.log('[Gemini Parser] Started'); - - // 설정 변경 리스너 - chrome.runtime.onMessage.addListener((msg) => { - if (msg.type === 'settingsUpdated') { - const s = msg.settings; - - SETTINGS = { - enabled: s.enabled ?? SETTINGS.enabled, - latex: s.latex ?? SETTINGS.latex, - bold: s.bold ?? SETTINGS.bold, - italic: s.italic ?? SETTINGS.italic, - strike: s.strike ?? SETTINGS.strike, - underline: s.underline ?? SETTINGS.underline, - code: s.code ?? SETTINGS.code - }; - - COLOR_SETTINGS = { - boldColor: s.boldColor ?? null, - italicColor: s.italicColor ?? null, - strikeColor: s.strikeColor ?? null, - underlineColor: s.underlineColor ?? null, - codeColor: s.codeColor ?? null, - mathColor: s.mathColor ?? null - }; - - // 커스텀 스타일 재주입 - injectCustomStyles(); - - document.querySelectorAll('[data-rendered]').forEach(el => { - el.removeAttribute('data-rendered'); + chrome.storage.sync.get(keys, stored => { + engine = GeminiParser.createEngine({ settings: { ...stored, ...pending }, katex }); + globalThis.geminiParserEngine = engine; + const cssURL = chrome.runtime.getURL('lib/katex.min.css'); + fetch(cssURL).then(response => { + if (!response.ok) throw new Error(`KaTeX stylesheet: ${response.status}`); + return response.text(); + }).then(css => { + const resolved = css.replace(/url\(([^)]+)\)/g, (_, url) => { + const relative = url.trim().replace(/^['"]|['"]$/g, ''); + return `url("${new URL(relative, cssURL).href}")`; }); - reRender(); - } + engine.setKatexCss(resolved); + }).catch(error => console.warn('[Gemini Parser] Math kept as source text; stylesheet unavailable:', error)); }); -}); \ No newline at end of file +})(); diff --git a/lib/LICENSE.katex b/lib/LICENSE.katex new file mode 100644 index 0000000..37c6433 --- /dev/null +++ b/lib/LICENSE.katex @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2013-2020 Khan Academy and other contributors + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/lib/LICENSE.markdown-it b/lib/LICENSE.markdown-it new file mode 100644 index 0000000..7ffa058 --- /dev/null +++ b/lib/LICENSE.markdown-it @@ -0,0 +1,22 @@ +Copyright (c) 2014 Vitaly Puzrin, Alex Kocharin. + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/lib/fonts/KaTeX_AMS-Regular.ttf b/lib/fonts/KaTeX_AMS-Regular.ttf new file mode 100644 index 0000000..c6f9a5e Binary files /dev/null and b/lib/fonts/KaTeX_AMS-Regular.ttf differ diff --git a/lib/fonts/KaTeX_AMS-Regular.woff b/lib/fonts/KaTeX_AMS-Regular.woff new file mode 100644 index 0000000..b804d7b Binary files /dev/null and b/lib/fonts/KaTeX_AMS-Regular.woff differ diff --git a/lib/fonts/KaTeX_AMS-Regular.woff2 b/lib/fonts/KaTeX_AMS-Regular.woff2 new file mode 100644 index 0000000..0acaaff Binary files /dev/null and b/lib/fonts/KaTeX_AMS-Regular.woff2 differ diff --git a/lib/fonts/KaTeX_Caligraphic-Bold.ttf b/lib/fonts/KaTeX_Caligraphic-Bold.ttf new file mode 100644 index 0000000..9ff4a5e Binary files /dev/null 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Uint16Array("\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022".split("").map((t=>t.charCodeAt(0))));const v=new Map([[0,65533],[128,8364],[130,8218],[131,402],[132,8222],[133,8230],[134,8224],[135,8225],[136,710],[137,8240],[138,352],[139,8249],[140,338],[142,381],[145,8216],[146,8217],[147,8220],[148,8221],[149,8226],[150,8211],[151,8212],[152,732],[153,8482],[154,353],[155,8250],[156,339],[158,382],[159,376]]),z=null!==(k=String.fromCodePoint)&&void 0!==k?k:function(t){let e="";return t>65535&&(t-=65536,e+=String.fromCharCode(t>>>10&1023|55296),t=56320|1023&t),e+=String.fromCharCode(t),e};var S;!function(t){t[t.NUM=35]="NUM",t[t.SEMI=59]="SEMI",t[t.EQUALS=61]="EQUALS",t[t.ZERO=48]="ZERO",t[t.NINE=57]="NINE",t[t.LOWER_A=97]="LOWER_A",t[t.LOWER_F=102]="LOWER_F",t[t.LOWER_X=120]="LOWER_X",t[t.LOWER_Z=122]="LOWER_Z",t[t.UPPER_A=65]="UPPER_A",t[t.UPPER_F=70]="UPPER_F",t[t.UPPER_Z=90]="UPPER_Z"}(S||(S={}));var q,B,L;function I(t){return t>=S.ZERO&&t<=S.NINE}function M(t){return t>=S.UPPER_A&&t<=S.UPPER_F||t>=S.LOWER_A&&t<=S.LOWER_F}function T(t){return t===S.EQUALS||function(t){return t>=S.UPPER_A&&t<=S.UPPER_Z||t>=S.LOWER_A&&t<=S.LOWER_Z||I(t)}(t)}!function(t){t[t.VALUE_LENGTH=49152]="VALUE_LENGTH",t[t.BRANCH_LENGTH=16256]="BRANCH_LENGTH",t[t.JUMP_TABLE=127]="JUMP_TABLE"}(q||(q={})),function(t){t[t.EntityStart=0]="EntityStart",t[t.NumericStart=1]="NumericStart",t[t.NumericDecimal=2]="NumericDecimal",t[t.NumericHex=3]="NumericHex",t[t.NamedEntity=4]="NamedEntity"}(B||(B={})),function(t){t[t.Legacy=0]="Legacy",t[t.Strict=1]="Strict",t[t.Attribute=2]="Attribute"}(L||(L={}));class R{constructor(t,e,r){this.decodeTree=t,this.emitCodePoint=e,this.errors=r,this.state=B.EntityStart,this.consumed=1,this.result=0,this.treeIndex=0,this.excess=1,this.decodeMode=L.Strict}startEntity(t){this.decodeMode=t,this.state=B.EntityStart,this.result=0,this.treeIndex=0,this.excess=1,this.consumed=1}write(t,e){switch(this.state){case B.EntityStart:return t.charCodeAt(e)===S.NUM?(this.state=B.NumericStart,this.consumed+=1,this.stateNumericStart(t,e+1)):(this.state=B.NamedEntity,this.stateNamedEntity(t,e));case B.NumericStart:return this.stateNumericStart(t,e);case B.NumericDecimal:return this.stateNumericDecimal(t,e);case B.NumericHex:return this.stateNumericHex(t,e);case B.NamedEntity:return this.stateNamedEntity(t,e)}}stateNumericStart(t,e){return e>=t.length?-1:(32|t.charCodeAt(e))===S.LOWER_X?(this.state=B.NumericHex,this.consumed+=1,this.stateNumericHex(t,e+1)):(this.state=B.NumericDecimal,this.stateNumericDecimal(t,e))}addToNumericResult(t,e,r,n){if(e!==r){const s=r-e;this.result=this.result*Math.pow(n,s)+parseInt(t.substr(e,s),n),this.consumed+=s}}stateNumericHex(t,e){const r=e;for(;e=55296&&t<=57343||t>1114111?65533:null!==(e=v.get(t))&&void 0!==e?e:t}(this.result),this.consumed),this.errors&&(t!==S.SEMI&&this.errors.missingSemicolonAfterCharacterReference(),this.errors.validateNumericCharacterReference(this.result)),this.consumed}stateNamedEntity(t,e){const{decodeTree:r}=this;let n=r[this.treeIndex],s=(n&q.VALUE_LENGTH)>>14;for(;e>14,0!==s){if(i===S.SEMI)return this.emitNamedEntityData(this.treeIndex,s,this.consumed+this.excess);this.decodeMode!==L.Strict&&(this.result=this.treeIndex,this.consumed+=this.excess,this.excess=0)}}return-1}emitNotTerminatedNamedEntity(){var t;const{result:e,decodeTree:r}=this,n=(r[e]&q.VALUE_LENGTH)>>14;return this.emitNamedEntityData(e,n,this.consumed),null===(t=this.errors)||void 0===t||t.missingSemicolonAfterCharacterReference(),this.consumed}emitNamedEntityData(t,e,r){const{decodeTree:n}=this;return this.emitCodePoint(1===e?n[t]&~q.VALUE_LENGTH:n[t+1],r),3===e&&this.emitCodePoint(n[t+2],r),r}end(){var t;switch(this.state){case B.NamedEntity:return 0===this.result||this.decodeMode===L.Attribute&&this.result!==this.treeIndex?0:this.emitNotTerminatedNamedEntity();case B.NumericDecimal:return this.emitNumericEntity(0,2);case B.NumericHex:return this.emitNumericEntity(0,3);case B.NumericStart:return null===(t=this.errors)||void 0===t||t.absenceOfDigitsInNumericCharacterReference(this.consumed),0;case B.EntityStart:return 0}}}function N(t){let e="";const r=new R(t,(t=>e+=z(t)));return function(t,n){let s=0,i=0;for(;(i=t.indexOf("&",i))>=0;){e+=t.slice(s,i),r.startEntity(n);const o=r.write(t,i+1);if(o<0){s=i+r.end();break}s=i+o,i=0===o?s+1:s}const o=e+t.slice(s);return e="",o}}function P(t,e,r,n){const s=(e&q.BRANCH_LENGTH)>>7,i=e&q.JUMP_TABLE;if(0===s)return 0!==i&&n===i?r:-1;if(i){const e=n-i;return e<0||e>=s?-1:t[r+e]-1}let o=r,u=o+s-1;for(;o<=u;){const e=o+u>>>1,r=t[e];if(rn))return t[e+s];u=e-1}}return-1}const O=N(x);function j(t,e=L.Legacy){return O(t,e)}function Z(t){return"[object String]"===function(t){return 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ke(t,e){const r=new ge(t,e);return t.__compiled__[r.schema].normalize(r,t),r}function De(t,e){if(!(this instanceof De))return new De(t,e);var r;e||(r=t,Object.keys(r||{}).reduce((function(t,e){return t||pe.hasOwnProperty(e)}),!1)&&(e=t,t={})),this.__opts__=ce({},pe,e),this.__index__=-1,this.__last_index__=-1,this.__schema__="",this.__text_cache__="",this.__schemas__=ce({},fe,t),this.__compiled__={},this.__tlds__=_e,this.__tlds_replaced__=!1,this.re={},me(this)}De.prototype.add=function(t,e){return this.__schemas__[t]=e,me(this),this},De.prototype.set=function(t){return this.__opts__=ce(this.__opts__,t),this},De.prototype.test=function(t){if(this.__text_cache__=t,this.__index__=-1,!t.length)return!1;let e,r,n,s,i,o,u,c,a;if(this.re.schema_test.test(t))for(u=this.re.schema_search,u.lastIndex=0;null!==(e=u.exec(t));)if(s=this.testSchemaAt(t,e[2],u.lastIndex),s){this.__schema__=e[2],this.__index__=e.index+e[1].length,this.__last_index__=e.index+e[0].length+s;break}return this.__opts__.fuzzyLink&&this.__compiled__["http:"]&&(c=t.search(this.re.host_fuzzy_test),c>=0&&(this.__index__<0||c=0&&null!==(n=t.match(this.re.email_fuzzy))&&(i=n.index+n[1].length,o=n.index+n[0].length,(this.__index__<0||ithis.__last_index__)&&(this.__schema__="mailto:",this.__index__=i,this.__last_index__=o))),this.__index__>=0},De.prototype.pretest=function(t){return this.re.pretest.test(t)},De.prototype.testSchemaAt=function(t,e,r){return this.__compiled__[e.toLowerCase()]?this.__compiled__[e.toLowerCase()].validate(t,r,this):0},De.prototype.match=function(t){const e=[];let r=0;this.__index__>=0&&this.__text_cache__===t&&(e.push(ke(this,r)),r=this.__last_index__);let n=r?t.slice(r):t;for(;this.test(n);)e.push(ke(this,r)),n=n.slice(this.__last_index__),r+=this.__last_index__;return e.length?e:null},De.prototype.matchAtStart=function(t){if(this.__text_cache__=t,this.__index__=-1,!t.length)return null;const e=this.re.schema_at_start.exec(t);if(!e)return null;const 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+ + const DEFAULTS = { enabled: true, latex: true, bold: true, italic: true, strike: true, underline: true, code: true }; + const COLOR_KEYS = ['boldColor', 'italicColor', 'strikeColor', 'underlineColor', 'codeColor', 'mathColor']; + const BLOCKS = 'p,h1,h2,h3,h4,h5,h6'; + const INLINE_TAGS = new Set(['SPAN', 'B', 'STRONG', 'I', 'EM', 'S', 'DEL', 'U', 'CODE', 'BR']); + const FORMATS = { B: 'bold', STRONG: 'bold', I: 'italic', EM: 'italic', S: 'strike', DEL: 'strike', U: 'underline', CODE: 'code' }; + const EXCLUDED = 'pre,code,[contenteditable="true"],[contenteditable=""],user-query,.user-query,.query-text,[data-role="user"],.response-footer'; + const INLINE_STYLE = ['color', 'background-color', 'font-family', 'font-size', 'font-weight', 'font-style', + 'line-height', 'letter-spacing', 'text-decoration', 'white-space', 'vertical-align', 'display', 'visibility', 'opacity']; + const CODE_BOX_STYLE = ['display', 'padding', 'margin', 'border', 'border-radius']; + const BASE_CSS = ` + .gp-original { position: absolute; width: 0; height: 0; overflow: hidden; + opacity: 0; pointer-events: none; user-select: none; } + .gp-view { white-space: inherit; } + /* Page selectors cannot reach the shadow tree. Use inherited Gemini + theme tokens so raw backticks and finalized CODE share a visible chip. */ + .gemini-parser-code { + font-family: "Google Sans Code", monospace; font-size: 15px; + font-weight: 400; line-height: 14px; white-space: pre-wrap; + display: inline-block; padding: 4px 6px; margin: 0; + border: 0; border-radius: 9999px; + color: var(--lumi-sys-color--on-surface-variant, var(--gem-sys-color--on-surface-variant, inherit)); + background-color: var(--lumi-sys-color--code-background, + var(--gem-sys-color--surface-container, color-mix(in srgb, currentColor 12%, transparent))); + } + .gemini-parser-math .katex { font-size: 1.1em; } + `; + + function runLength(text, index, character) { + let end = index; + while (text[end] === character) end++; + return end - index; + } + + function escaped(text, index) { + let count = 0; + while (index > 0 && text[--index] === '\\') count++; + return count % 2 === 1; + } + + function closing(text, from, delimiter, literal = false) { + for (let i = from; i <= text.length - delimiter.length; i++) { + // Backslashes inside code spans are ordinary content, including + // immediately before closing backticks. Math still honors escapes. + if ((!literal && escaped(text, i)) || !text.startsWith(delimiter, i)) continue; + const character = delimiter[0]; + if ('*`$~'.includes(character) && (text[i - 1] === character || runLength(text, i, character) !== delimiter.length)) continue; + return i; + } + return -1; + } + + function appendLiteral(parent, text, document) { + text.split('\n').forEach((line, index) => { + if (index) parent.appendChild(document.createElement('br')); + if (line) parent.appendChild(document.createTextNode(line)); + }); + } + + function underlineClosing(text, from) { + let depth = 1; + for (let i = from; i < text.length;) { + if (escaped(text, i)) { i++; continue; } + let delimiter = ''; + let endDelimiter = ''; + if (text[i] === '`') delimiter = endDelimiter = '`'.repeat(runLength(text, i, '`')); + else if (text[i] === '$' && runLength(text, i, '$') <= 2) delimiter = endDelimiter = '$'.repeat(runLength(text, i, '$')); + else if (text.startsWith('\\(', i) || text.startsWith('\\[', i)) { + delimiter = text.slice(i, i + 2); endDelimiter = delimiter === '\\(' ? '\\)' : '\\]'; + } + if (delimiter) { + const end = closing(text, i + delimiter.length, endDelimiter, text[i] === '`'); + if (end >= 0) { i = end + endDelimiter.length; continue; } + if (text[i] === '`') return -1; + } + if (text.startsWith('', i)) { depth++; i += 3; } + else if (text.startsWith('', i)) { + if (--depth === 0) return i; + i += 4; + } else i++; + } + return -1; + } + + function nativeMath(element) { + return element.tagName === 'SPAN' && element.classList.contains('math-inline') && element.hasAttribute('data-math'); + } + + function mathView(expression, displayMode, document, katex) { + const math = document.createElement('span'); math.className = 'math-inline gemini-parser-math'; + math.setAttribute('data-math', expression); + // The DOM renderer preserves MathML and never needs an HTML policy. + katex.render(expression, math, { throwOnError: true, output: 'htmlAndMathml', displayMode, + trust: false, maxExpand: 1000, maxSize: 20 }); + return math; + } + + // Only extension-owned nodes are patched. Keeping an equal prefix (especially + // KaTeX trees) avoids repainting/recreating completed content on every token. + function reconcile(parent, incoming) { + let changed = false; + const desired = Array.from(incoming.childNodes); + desired.forEach((next, index) => { + const current = parent.childNodes[index]; + if (!current) { parent.appendChild(next); changed = true; return; } + if (current.isEqualNode(next)) return; + if (current.nodeType !== next.nodeType || (current.nodeType === 1 && + (current.tagName !== next.tagName || current.namespaceURI !== next.namespaceURI))) { + current.replaceWith(next); changed = true; return; + } + if (current.nodeType === 3) { + // Changing just the tail retains selection offsets in the prefix. + let prefix = 0; + while (prefix < current.length && prefix < next.length && current.data[prefix] === next.data[prefix]) prefix++; + current.replaceData(prefix, current.length - prefix, next.data.slice(prefix)); + changed = true; + } else if (current.nodeType === 1) { + for (const attribute of Array.from(current.attributes)) { + if (!next.hasAttribute(attribute.name)) { current.removeAttribute(attribute.name); changed = true; } + } + for (const attribute of next.attributes) { + if (current.getAttribute(attribute.name) !== attribute.value) { + current.setAttribute(attribute.name, attribute.value); changed = true; + } + } + changed = reconcile(current, next) || changed; + } else { current.replaceWith(next); changed = true; } + }); + while (parent.childNodes.length > desired.length) { parent.lastChild.remove(); changed = true; } + return changed; + } + + // Use markdown-it's delimiter balancing for nested emphasis. Only inline + // formatting is enabled; links, images and raw HTML are never generated. + function tokenizer(markdownit) { + // The input is already DOM text; decoding entities again changes literal + // examples such as © that Gemini has already escaped for display. + const markdown = markdownit({ html: false, linkify: false }).disable(['link', 'image', 'autolink', 'entity']); + markdown.inline.ruler.at('text', (state, silent) => { + let end = state.pos; + while (end < state.posMax && !/[\n\\`*_[\]!<&~$]/.test(state.src[end])) end++; + if (end === state.pos) return false; + if (!silent) state.pending += state.src.slice(state.pos, end); + state.pos = end; return true; + }); + function opaque(state, type, delimiter, endDelimiter = delimiter) { + const start = state.pos; + const end = type === 'gp_underline' ? underlineClosing(state.src, start + delimiter.length) + : closing(state.src, start + delimiter.length, endDelimiter, type === 'code_inline'); + const token = state.push(end < 0 ? 'text' : type, '', 0); + const finish = end < 0 ? state.posMax : end + endDelimiter.length; + token.content = end < 0 ? state.src.slice(start) : state.src.slice(start + delimiter.length, end); + if (end >= 0 && type === 'code_inline') { + token.content = token.content.replace(/\r\n?|\n/g, ' '); + if (/^ .+ $/.test(token.content) && /[^ ]/.test(token.content)) token.content = token.content.slice(1, -1); + } + token.markup = delimiter; + token.meta = { raw: state.src.slice(start, finish), endDelimiter }; + state.pos = finish; + return true; + } + markdown.inline.ruler.at('backticks', (state, silent) => { + if (state.src[state.pos] !== '`') return false; + if (silent) return false; + return opaque(state, 'code_inline', '`'.repeat(runLength(state.src, state.pos, '`'))); + }); + markdown.inline.ruler.before('escape', 'gp_math', (state, silent) => { + if (state.src.startsWith('\\(', state.pos) || state.src.startsWith('\\[', state.pos)) { + if (silent) return false; + const delimiter = state.src.slice(state.pos, state.pos + 2); + return opaque(state, 'gp_math', delimiter, delimiter === '\\(' ? '\\)' : '\\]'); + } + if (state.src[state.pos] !== '$') return false; + const length = runLength(state.src, state.pos, '$'); + if (silent) return false; + if (length > 2) { + state.pending += '$'.repeat(length); state.pos += length; return true; + } + if (length === 1) { + if (/\s/.test(state.src[state.pos + 1] || '')) return false; + const end = closing(state.src, state.pos + 1, '$'); + // Price text must not be paired with the next price's dollar. + // Do not search beyond an invalid close into a later formula. + if (end >= 0 && (/\s/.test(state.src[end - 1]) || /\d/.test(state.src[end + 1] || ''))) return false; + if (end < 0 && /^\d+(?:[.,]\d+)*(?=\s|[\uac00-\ud7af;,:.!?)]|$)/.test(state.src.slice(state.pos + 1)) && + !/[\\^_=+{}]/.test(state.src.slice(state.pos + 1))) return false; + } + if (!state.env.settings.latex && closing(state.src, state.pos + length, '$'.repeat(length)) < 0) return false; + return opaque(state, 'gp_math', '$'.repeat(length)); + }); + // Keep markdown-it's delimiter pairing and nesting, but accept a closing + // * or ~~ before Korean suffixes even when the content ends in quotes or + // punctuation. Underscores in identifiers retain the native word rules. + function koreanClose(state, silent, strike) { + const marker = strike ? 126 : 42; + if (silent || state.src.charCodeAt(state.pos) !== marker) return false; + const scanned = state.scanDelims(state.pos, true); + if (scanned.can_close || (strike && scanned.length < 2) || + !/[\u1100-\u11ff\u3130-\u318f\uac00-\ud7af]/.test(state.src[state.pos + scanned.length] || '') || + !state.pos || /\s/.test(state.src[state.pos - 1])) return false; + let remaining = scanned.length; + if (strike && remaining % 2) { state.push('text', '', 0).content = '~'; remaining--; } + for (let i = 0; i < remaining; i += strike ? 2 : 1) { + state.push('text', '', 0).content = strike ? '~~' : '*'; + state.delimiters.push({ marker, length: strike ? 0 : scanned.length, + token: state.tokens.length - 1, end: -1, open: scanned.can_open, close: true }); + } + state.pos += scanned.length; return true; + } + markdown.inline.ruler.before('emphasis', 'gp_korean_emphasis', (state, silent) => koreanClose(state, silent, false)); + markdown.inline.ruler.before('strikethrough', 'gp_korean_strike', (state, silent) => koreanClose(state, silent, true)); + markdown.inline.ruler.before('escape', 'gp_underline', (state, silent) => { + if (!state.src.startsWith('', state.pos) || silent || !state.env.settings.underline) return false; + return opaque(state, 'gp_underline', '', ''); + }); + return markdown; + } + + function parseText(text, options, document, katex, markdown, depth = 0) { + const fragment = document.createDocumentFragment(); + if (depth > 24 || !['bold', 'italic', 'strike', 'underline', 'code', 'latex'].some(key => options[key])) { + appendLiteral(fragment, text, document); return { fragment, changed: false }; + } + const tokens = markdown.parseInline(text, { settings: options })[0].children; + const stack = [fragment]; + let plain = ''; + let transformed = false; + function literal(value) { appendLiteral(stack.at(-1), value, document); plain += value; } + for (const token of tokens) { + const type = { strong: 'bold', em: 'italic', s: 'strike' }[token.type.replace(/_(open|close)$/, '')]; + if (type && token.nesting) { + if (token.nesting === 1) { + if (options[type]) { + const wrapper = document.createElement({ bold: 'b', italic: 'i', strike: 's' }[type]); + wrapper.className = `gemini-parser-${type}`; + stack.at(-1).appendChild(wrapper); stack.push(wrapper); transformed = true; + } else { literal(token.markup); stack.push(stack.at(-1)); } + } else { + stack.pop(); if (!options[type]) literal(token.markup); + } + } else if (token.type === 'code_inline') { + if (!options.code) { literal(token.meta.raw); continue; } + const code = document.createElement('code'); code.className = 'gemini-parser-code'; code.textContent = token.content; + stack.at(-1).appendChild(code); plain += token.content; transformed = true; + } else if (token.type === 'gp_math') { + if (!options.latex || !katex || !token.content) { literal(token.meta.raw); continue; } + try { + const math = mathView(token.content, token.markup === '$$' || token.markup === '\\[', document, katex); + stack.at(-1).appendChild(math); transformed = true; + } catch { literal(token.meta.raw); } + } else if (token.type === 'gp_underline') { + const nested = parseText(token.content, options, document, katex, markdown, depth + 1); + const underline = document.createElement('u'); underline.className = 'gemini-parser-underline'; + underline.appendChild(nested.fragment); stack.at(-1).appendChild(underline); transformed = true; + } else if (token.type === 'softbreak' || token.type === 'hardbreak') literal('\n'); + else literal(token.content); + } + return { fragment, changed: transformed || plain !== text }; + } + + function safeBlock(element) { + if (!element.isConnected || !element.closest('.chat-container') || element.closest(EXCLUDED) || element.isContentEditable) return false; + if (element.querySelector(BLOCKS)) return false; + function safeInline(child) { + if (!INLINE_TAGS.has(child.tagName) || child.shadowRoot || child.isContentEditable) return false; + if ([...child.attributes].some(attribute => !['class', 'style', 'dir', 'lang', 'data-path-to-node', 'data-index-in-node'].includes(attribute.name) && + !attribute.name.startsWith('_ngcontent-') && !(nativeMath(child) && attribute.name === 'data-math'))) return false; + // Gemini's finished formula is an atomic text presentation. Read its + // expression, never clone its descendants or any interactive widget. + if (nativeMath(child)) return !child.querySelector('a,button,input,textarea,select,[tabindex],[contenteditable],[role]'); + if (/katex|mathjax|citation|attachment|source-chip/i.test(child.className)) return false; + return Array.from(child.children).every(safeInline); + } + return Array.from(element.children).every(safeInline); + } + + function renderBlock(source, settings, colors, document, katex, markdown) { + let changed = false; + function childrenOf(node) { + const fragment = document.createDocumentFragment(); + let text = ''; + function flush() { + if (!text) return; + const parsed = parseText(text, settings, document, katex, markdown); + fragment.appendChild(parsed.fragment); changed ||= parsed.changed; text = ''; + } + function visit(child) { + if (child.nodeType === 3) { text += child.nodeValue; return; } + if (child.nodeType !== 1) return; + if (nativeMath(child)) { + flush(); + // Native formulas stay formatted even with the repair toggle + // off, just as native / formatting does. + try { + const math = mathView(child.getAttribute('data-math'), !!child.querySelector('.katex-display'), document, katex); + const computed = global.getComputedStyle(child); + for (const [property, baseline] of [['display', 'inline'], ['visibility', 'visible'], ['opacity', '1']]) { + const value = computed.getPropertyValue(property); + if (property === 'display' ? value === 'none' : value !== baseline) math.style.setProperty(property, value); + } + fragment.appendChild(math); + } catch { + // A malformed final formula must not reset the rest of + // the paragraph or repeatedly switch display ownership. + appendLiteral(fragment, child.textContent || child.getAttribute('data-math'), document); + } + changed = true; return; + } + // Gemini can split one token across adjacent Text nodes/spans. + if (child.tagName === 'SPAN' && [...child.attributes].every(attribute => + ['data-path-to-node', 'data-index-in-node'].includes(attribute.name) || attribute.name.startsWith('_ngcontent-'))) { + child.childNodes.forEach(visit); return; + } + flush(); + const type = FORMATS[child.tagName]; + const finalizedFormat = type && settings[type] && !child.hasAttribute('style') && !child.hasAttribute('class') && + (child.hasAttribute('data-path-to-node') || child.hasAttribute('data-index-in-node')); + const tag = finalizedFormat ? { bold: 'b', italic: 'i', strike: 's', underline: 'u', code: 'code' }[type] : child.tagName.toLowerCase(); + const copy = document.createElement(tag); + if (!finalizedFormat) { + const computed = global.getComputedStyle(child); + INLINE_STYLE.forEach(property => copy.style.setProperty(property, computed.getPropertyValue(property))); + if (child.tagName === 'CODE') CODE_BOX_STYLE.forEach(property => copy.style.setProperty(property, computed.getPropertyValue(property))); + } + // Completed Gemini tokens use our streaming presentation too; + // adopting native computed fonts here causes a visible final jump. + ['dir', 'lang'].forEach(name => { if (child.hasAttribute(name)) copy.setAttribute(name, child.getAttribute(name)); }); + if (type && settings[type]) { + copy.classList.add(`gemini-parser-${type}`); + changed = true; + } + if (child.tagName === 'CODE') copy.textContent = child.textContent; + else copy.appendChild(childrenOf(child)); + fragment.appendChild(copy); + } + node.childNodes.forEach(visit); flush(); return fragment; + } + const fragment = childrenOf(source); + return { fragment, changed }; + } + + function styleRules(colors, document) { + return COLOR_KEYS.map(key => { + const value = colors[key]; + if (!value) return ''; + const declaration = document.createElement('span').style; + declaration.cssText = value.customCss || ''; + if (value.color) declaration.setProperty('color', value.color); + if (Number.isFinite(value.opacity)) declaration.setProperty('opacity', String(Math.max(0, Math.min(100, value.opacity)) / 100)); + Array.from(declaration).forEach(property => declaration.setProperty(property, declaration.getPropertyValue(property), 'important')); + return `.gemini-parser-${key.slice(0, -5)} { ${declaration.cssText} }`; + }).join('\n'); + } + + function createEngine(options = {}) { + const document = options.document || global.document; + const markdown = tokenizer(options.markdownit || global.markdownit); + const settings = { ...DEFAULTS, ...options.settings }; + const colors = Object.fromEntries(COLOR_KEYS.map(key => [key, options.settings?.[key] ?? null])); + const roots = new WeakMap(); + const snapshots = new WeakMap(); + const active = new Map(); + const dirty = new Set(); + let katexCss = options.katexCss || ''; + let revision = 0; + let timer = null; + let scan = false; + let destroyed = false; + let observing = false; + let disclaimerStyle = null; + let fontStyle = null; + let containers = new Set(); + let sharedSheet = null; + let sheetRevision = -1; + let styleText = ''; + if (global.CSSStyleSheet?.prototype.replaceSync) sharedSheet = new global.CSSStyleSheet(); + const counters = { flushes: 0, renderWrites: 0 }; + + function restore(element) { + const root = roots.get(element); + if (root) { + root.adoptedStyleSheets = []; + root.replaceChildren(document.createElement('slot')); + } + active.delete(element); + } + + function styles() { + if (sheetRevision !== revision) { + const css = BASE_CSS + katexCss.replace(/@font-face\s*\{[^}]+\}/g, '') + '\n' + styleRules(colors, document); + if (css !== styleText) { styleText = css; sharedSheet?.replaceSync(css); } + sheetRevision = revision; + } + return styleText; + } + + function projection(element) { + let root = roots.get(element); + if (!root) { + // Never take over another component's shadow root. + if (element.shadowRoot) return null; + try { root = element.attachShadow({ mode: 'open' }); } + catch { return null; } + roots.set(element, root); + } + const css = styles(); + const style = sharedSheet ? null : document.createElement('style'); + if (style) style.textContent = css; + else root.adoptedStyleSheets = [sharedSheet]; + const original = document.createElement('span'); + original.className = 'gp-original'; original.setAttribute('aria-hidden', 'true'); + original.appendChild(document.createElement('slot')); + const view = document.createElement('span'); view.className = 'gp-view'; + // The clipped slot keeps light-DOM innerText usable by native copy + // handlers, but is excluded from selection/accessibility. Only the + // preview takes space in normal flow. Original children never move. + root.replaceChildren(...(style ? [style, original, view] : [original, view])); + const entry = { root, style, view }; + active.set(element, entry); return entry; + } + + function process(element) { + if (!safeBlock(element)) { restore(element); snapshots.delete(element); return; } + if (element.shadowRoot && element.shadowRoot !== roots.get(element)) return; + // Keep native formulas visible until their projection stylesheet is + // ready; otherwise startup would briefly show unstyled math/text. + if (!katexCss && element.querySelector('.math-inline[data-math]')) { restore(element); snapshots.delete(element); return; } + const snapshot = element.innerHTML; // Read only; excludes the shadow tree. + const previous = snapshots.get(element); + if (previous?.source === snapshot && previous.revision === revision) return; + snapshots.set(element, { source: snapshot, revision }); + try { + const parsed = renderBlock(element, settings, colors, document, katexCss ? options.katex : null, markdown); + if (!parsed.changed) { if (active.has(element)) restore(element); return; } + const entry = active.get(element) || projection(element); + if (!entry) return; + const css = styles(); + if (entry.style && entry.style.textContent !== css) entry.style.textContent = css; + if (reconcile(entry.view, parsed.fragment)) counters.renderWrites++; + } catch (error) { + restore(element); + console.warn('[Gemini Parser] Kept native content after rendering error:', error); + } + } + + function flush() { + timer = null; + if (destroyed || !settings.enabled) return; + counters.flushes++; + for (const element of active.keys()) { + if (!element.isConnected || !element.closest('.chat-container')) { restore(element); snapshots.delete(element); } + } + if (scan) { + containers = new Set(document.querySelectorAll('.chat-container')); + containers.forEach(container => container.querySelectorAll(BLOCKS).forEach(element => dirty.add(element))); + scan = false; + } + const batch = [...dirty]; dirty.clear(); + batch.forEach(process); + } + + function schedule(fullScan = false) { + if (destroyed || !settings.enabled) return; + scan ||= fullScan; + // Fixed coalescing window: continuous token arrival cannot postpone it. + if (timer === null) timer = global.setTimeout(flush, options.interval ?? 40); + } + + function flushNow(fullScan = false) { + if (timer !== null) global.clearTimeout(timer); + timer = null; scan ||= fullScan; flush(); + } + + const observer = new global.MutationObserver(records => { + let fullScan = false; + let structuralChange = false; + for (const record of records) { + const target = record.target.nodeType === 1 ? record.target : record.target.parentElement; + const block = target?.closest(BLOCKS); + if (record.type === 'childList') { + // A new/replaced host otherwise shows raw content until the + // 40 ms token timer fires. Mount it in this microtask, before + // the next paint. Plain Text updates still use coalescing. + if (block && active.has(block) && [...record.addedNodes, ...record.removedNodes].some(node => node.nodeType === 1)) structuralChange = true; + if (Array.from(record.addedNodes).some(node => node.nodeType === 1 && + (node.matches(BLOCKS) || node.querySelector(BLOCKS)) && + (target?.closest('.chat-container') || node.matches('.chat-container') || node.querySelector('.chat-container')))) structuralChange = true; + } + if (block && (block.closest('.chat-container') || active.has(block))) { + dirty.add(block); + if (record.type === 'attributes') snapshots.delete(block); + } else if (record.type === 'childList' || target?.closest('.chat-container') || containers.has(target)) fullScan = true; + // Inline styles copied into the preview must follow ancestor + // theme changes too, even though the source HTML is unchanged. + if (record.type === 'attributes' && ['class', 'style'].includes(record.attributeName) && + [...containers].some(container => target === container || target?.contains(container) || + (container.contains(target) && target.querySelector(BLOCKS)))) { + revision++; fullScan = true; + } + } + if (fullScan || dirty.size) { + if (structuralChange) flushNow(fullScan); + else schedule(fullScan); + } + }); + + function start() { + if (destroyed || !settings.enabled || observing) return; + observer.observe(document.body, { childList: true, subtree: true, characterData: true, attributes: true }); + observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class', 'style'] }); + observing = true; + disclaimerStyle = document.createElement('style'); + disclaimerStyle.textContent = 'hallucination-disclaimer { display: block !important; visibility: hidden !important; height: 16px !important; overflow: hidden !important; }'; + document.head.appendChild(disclaimerStyle); + updateFonts(); + scan = true; flush(); + } + + function stop() { + observer.disconnect(); observing = false; + if (timer !== null) global.clearTimeout(timer); + timer = null; dirty.clear(); scan = false; + for (const element of active.keys()) restore(element); + disclaimerStyle?.remove(); disclaimerStyle = null; + fontStyle?.remove(); fontStyle = null; containers.clear(); + } + + function updateFonts() { + if (!settings.enabled || !katexCss) return; + // Chromium does not register @font-face rules defined only inside a + // shadow root. Register just the font faces in the document scope. + if (!fontStyle) { fontStyle = document.createElement('style'); document.head.appendChild(fontStyle); } + fontStyle.textContent = (katexCss.match(/@font-face\s*\{[^}]+\}/g) || []).join('\n'); + } + + function updateSettings(values = {}) { + if (destroyed) return; + let changed = false; + for (const key of Object.keys(DEFAULTS)) { + if (typeof values[key] === 'boolean' && values[key] !== settings[key]) { settings[key] = values[key]; changed = true; } + } + for (const key of COLOR_KEYS) { + if (Object.hasOwn(values, key) && JSON.stringify(values[key]) !== JSON.stringify(colors[key])) { + colors[key] = values[key]; changed = true; + } + } + if (!changed) return; + revision++; + if (!settings.enabled) stop(); + else if (!observing) start(); + else schedule(true); + } + + const api = { + updateSettings, + setKatexCss(css) { if (!destroyed && css !== katexCss) { katexCss = css; revision++; updateFonts(); schedule(true); } }, + refresh() { revision++; schedule(true); }, + destroy() { stop(); destroyed = true; }, + diagnostics() { return { ...counters, enabled: settings.enabled, activeProjections: active.size, pendingBlocks: dirty.size }; } + }; + start(); + return api; + } + + global.GeminiParser = { createEngine, DEFAULTS, COLOR_KEYS }; +})(globalThis); diff --git a/scripts/build-userscript.cjs b/scripts/build-userscript.cjs new file mode 100644 index 0000000..cd45aae --- /dev/null +++ b/scripts/build-userscript.cjs @@ -0,0 +1,29 @@ +const fs = require('node:fs'); +const path = require('node:path'); +const root = path.resolve(__dirname, '..'); +const version = JSON.parse(fs.readFileSync(path.join(root, 'manifest.json'), 'utf8')).version; +const header = `// ==UserScript== +// @name Fix Gemini Parser +// @namespace http://tampermonkey.net/ +// @version ${version} +// @description Gemini의 스트리밍 마크다운과 수식을 원본 DOM을 유지하며 렌더링합니다. +// @author kangjoseph90 +// @match https://gemini.google.com/* +// @grant GM_getResourceText +// @grant GM_getValue +// @grant GM_setValue +// @grant GM_registerMenuCommand +// @require https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.js +// @require https://cdn.jsdelivr.net/npm/markdown-it@14.1.0/dist/markdown-it.min.js +// @resource KATEX_CSS https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css +// ==/UserScript== + +// Generated by scripts/build-userscript.cjs. Edit parser-engine.js or userscript-bootstrap.js. +`; +const output = header + ['parser-engine.js', 'userscript-bootstrap.js'].map(name => fs.readFileSync(path.join(root, name), 'utf8')).join('\n'); +const destination = path.join(root, 'user-script.js'); +if (process.argv.includes('--check')) { + if (fs.readFileSync(destination, 'utf8') !== output) { + console.error('user-script.js is out of date. Run npm run build:userscript.'); process.exitCode = 1; + } +} else fs.writeFileSync(destination, output); diff --git a/tests/extension.test.cjs b/tests/extension.test.cjs new file mode 100644 index 0000000..ae11299 --- /dev/null +++ b/tests/extension.test.cjs @@ -0,0 +1,51 @@ +const { test } = require('node:test'); +const assert = require('node:assert/strict'); +const fs = require('node:fs'); +const path = require('node:path'); +const { chromium } = require('playwright'); +const root = path.resolve(__dirname, '..'); + +test('installed MV3 extension renders and toggles through the real popup and storage APIs', async t => { + const results = path.join(root, 'test-results'); fs.mkdirSync(results, { recursive: true }); + const profile = fs.mkdtempSync(path.join(results, 'extension-profile-')); + const context = await chromium.launchPersistentContext(profile, { + headless: true, executablePath: process.env.EXTENSION_CHROME_PATH || chromium.executablePath(), + args: [`--disable-extensions-except=${root}`, `--load-extension=${root}`] + }); + t.after(async () => { await context.close(); fs.rmSync(profile, { recursive: true, force: true }); }); + await context.route('https://gemini.google.com/**', route => route.fulfill({ + contentType: 'text/html', + headers: { 'Content-Security-Policy': "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; font-src 'self' chrome-extension:; require-trusted-types-for 'script'; trusted-types 'none'" }, + body: '

**live answer** and $x^2$

' + })); + const page = await context.newPage(); + await page.goto('https://gemini.google.com/app'); + await page.waitForFunction(() => document.querySelector('#answer').shadowRoot?.querySelector('.katex')); + assert.deepEqual(await page.evaluate(() => { + const p = document.querySelector('#answer'); window.nativeText = p.firstChild; + return [p.textContent, p.shadowRoot.querySelector('b').textContent, p.innerText]; + }), ['**live answer** and $x^2$', 'live answer', '**live answer** and $x^2$']); + await page.evaluate(() => document.fonts.ready); + assert.equal(await page.evaluate(() => [...document.fonts].some(font => font.family === 'KaTeX_Main' && font.status === 'loaded')), true); + + const extensions = await context.newPage(); await extensions.goto('chrome://extensions'); + await extensions.locator('extensions-item').waitFor(); + const id = await extensions.locator('extensions-item').first().getAttribute('id'); + const popup = await context.newPage(); await popup.goto(`chrome-extension://${id}/popup.html`); + await popup.locator('.main-switch').waitFor(); + await popup.locator('.main-switch').click(); + await page.waitForFunction(() => document.querySelector('#answer').shadowRoot?.firstChild.tagName === 'SLOT'); + await page.evaluate(() => { nativeText.data = '**changed while off**'; }); + await popup.locator('.main-switch').click(); + await page.waitForFunction(() => document.querySelector('#answer').shadowRoot?.querySelector('b')?.textContent === 'changed while off'); + assert.equal(await page.evaluate(() => document.querySelector('#answer').firstChild === nativeText), true); + + // A newly opened Gemini tab also starts disabled, but its listener is alive. + await popup.locator('.main-switch').click(); + const second = await context.newPage(); await second.goto('https://gemini.google.com/app'); + assert.equal(await second.evaluate(() => document.querySelector('#answer').shadowRoot), null); + await popup.locator('.main-switch').click(); + await second.waitForFunction(() => document.querySelector('#answer').shadowRoot?.querySelector('.katex')); + await page.waitForFunction(() => document.querySelector('#answer').shadowRoot?.querySelector('b')?.textContent === 'changed while off'); + await second.screenshot({ path: path.join(results, 'installed-extension.png') }); +}); diff --git a/tests/streaming.test.cjs b/tests/streaming.test.cjs new file mode 100644 index 0000000..61539f7 --- /dev/null +++ b/tests/streaming.test.cjs @@ -0,0 +1,651 @@ +const { test, before, after } = require('node:test'); +const assert = require('node:assert/strict'); +const fs = require('node:fs'); +const path = require('node:path'); +const http = require('node:http'); +const { chromium } = require('playwright'); +const root = path.resolve(__dirname, '..'); +let browser, server, base; +let css; +const pages = new Set(); + +before(async () => { + server = http.createServer((request, response) => { + const pathname = new URL(request.url, 'http://localhost').pathname; + if (pathname.startsWith('/lib/') && !pathname.includes('..')) { + const filename = path.join(root, pathname.slice(1)); + if (fs.existsSync(filename) && fs.statSync(filename).isFile()) { + response.setHeader('Content-Type', filename.endsWith('.css') ? 'text/css' : filename.endsWith('.woff2') ? 'font/woff2' : 'application/octet-stream'); + response.end(fs.readFileSync(filename)); return; + } + } + response.setHeader('Content-Type', 'text/html'); + response.end(''); + }); + await new Promise(resolve => server.listen(0, '127.0.0.1', resolve)); + base = `http://127.0.0.1:${server.address().port}`; + css = fs.readFileSync(path.join(root, 'lib/katex.min.css'), 'utf8').replace(/url\(([^)]+)\)/g, (_, url) => + `url("${new URL(url.trim().replace(/^['"]|['"]$/g, ''), base + '/lib/katex.min.css').href}")`); + const executable = process.env.CHROME_PATH || (fs.existsSync(chromium.executablePath()) ? chromium.executablePath() + : '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome'); + browser = await chromium.launch({ headless: true, executablePath: executable }); +}); +after(async () => { + await Promise.all([...pages].map(page => page.close())); + await browser?.close(); + await new Promise(resolve => server.close(resolve)); +}); + +async function fixture(t, options = {}) { + const page = await browser.newPage({ viewport: { width: 760, height: 700 } }); + pages.add(page); + t.after(async () => { pages.delete(page); await page.close(); }); + await page.goto(base); + await page.setContent(` +

**alpha**

+

**outside**

native disclaimer`); + if (options.html) await page.evaluate(html => { document.querySelector('#answer').innerHTML = html; }, options.html); + if (options.text !== undefined) await page.evaluate(text => { document.querySelector('#answer').textContent = text; }, options.text); + for (const name of ['lib/katex.min.js', 'lib/markdown-it.min.js', 'parser-engine.js']) await page.addScriptTag({ path: path.join(root, name) }); + await page.evaluate(({ settings, css }) => { + window.source = document.querySelector('#answer'); window.originalText = source.firstChild; + window.originalMarkup = source.innerHTML; + window.engine = GeminiParser.createEngine({ settings, katex, katexCss: css, interval: 25 }); + window.view = () => source.shadowRoot?.querySelector('.gp-view'); + }, { settings: options.settings || {}, css: options.css === false ? '' : css }); + return page; +} + +async function rendered(page, text) { + await page.waitForFunction(expected => window.view()?.textContent === expected, text, { timeout: 3000 }); +} + +test('renders while the animated streaming footer remains, without replacing source children', async t => { + const page = await fixture(t); + assert.deepEqual(await page.evaluate(() => [view().textContent, source.firstChild === originalText, + source.innerHTML === originalMarkup, originalText.isConnected, source.childNodes.length, + document.querySelector('footer').classList.contains('animated')]), ['alpha', true, true, true, 1, true]); +}); + +test('native innerText remains available without duplicate accessible text', async t => { + const page = await fixture(t); + assert.equal(await page.evaluate(() => source.innerText), '**alpha**'); + const tree = await page.locator('#answer').ariaSnapshot(); + assert.match(tree, /alpha/); assert.doesNotMatch(tree, /\*\*alpha\*\*/); + assert.equal((tree.match(/alpha/g) || []).length, 1); +}); + +test('native text-node updates replace the latest snapshot, never append cumulative text', async t => { + const page = await fixture(t); + await page.evaluate(() => { originalText.data = '**alpha beta**'; }); + await rendered(page, 'alpha beta'); + assert.deepEqual(await page.evaluate(() => [source.textContent, source.firstChild === originalText, + source.shadowRoot.querySelectorAll('.gp-view').length]), ['**alpha beta**', true, 1]); +}); + +test('an incomplete delimiter remains literal and is processed when completed', async t => { + const page = await fixture(t, { text: 'start **open' }); + assert.equal(await page.evaluate(() => source.shadowRoot), null); + await page.evaluate(() => { originalText.data = 'start **closed**'; }); + await rendered(page, 'start closed'); + assert.equal(await page.evaluate(() => view().querySelector('b').textContent), 'closed'); +}); + +test('streaming first ordinary text and then syntax is not blocked by a one-time marker', async t => { + const page = await fixture(t, { text: 'plain' }); + await page.evaluate(() => { originalText.data = '**now complete**'; }); + await rendered(page, 'now complete'); + assert.equal(await page.evaluate(() => source.hasAttribute('data-rendered')), false); +}); + +test('native subtree rewrite and source element replacement discard old output', async t => { + const page = await fixture(t); + await page.evaluate(() => { source.innerHTML = 'native **rewrite**'; }); + await rendered(page, 'native rewrite'); + assert.equal(await page.evaluate(() => source.querySelector('strong').textContent), 'native'); + await page.evaluate(() => { + window.oldSource = source; + source = document.createElement('p'); source.id = 'answer'; source.textContent = '**regenerated**'; + oldSource.replaceWith(source); + }); + await rendered(page, 'regenerated'); + assert.deepEqual(await page.evaluate(() => [engine.diagnostics().activeProjections, + oldSource.shadowRoot.children.length, oldSource.shadowRoot.firstChild.tagName]), [1, 1, 'SLOT']); +}); + +test('SPA chat-container replacement discovers the new source and releases the old view', async t => { + const page = await fixture(t); + await page.evaluate(() => { + const next = document.createElement('main'); next.className = 'chat-container'; + source = document.createElement('p'); source.id = 'answer'; source.textContent = '**new chat**'; + next.append(source); document.querySelector('.chat-container').replaceWith(next); + }); + await rendered(page, 'new chat'); + assert.equal(await page.evaluate(() => engine.diagnostics().activeProjections), 1); +}); + +test('disable cancels queued work, restores the native slot, and re-enable reads changes while off', async t => { + const page = await fixture(t); + await page.evaluate(() => { + originalText.data = '**queued**'; engine.updateSettings({ enabled: false }); + originalText.data = '**updated while off**'; + }); + await page.waitForTimeout(90); + assert.deepEqual(await page.evaluate(() => [!!view(), source.innerText, source.firstChild === originalText, + source.shadowRoot.firstChild.tagName, engine.diagnostics().activeProjections]), [false, '**updated while off**', true, 'SLOT', 0]); + await page.evaluate(() => engine.updateSettings({ enabled: true })); + await rendered(page, 'updated while off'); +}); + +test('repeated rapid toggles never duplicate the view or lose source nodes', async t => { + const page = await fixture(t); + await page.evaluate(() => { + for (let i = 0; i < 30; i++) { + engine.updateSettings({ enabled: false }); originalText.data = `**toggle ${i}**`; + engine.updateSettings({ enabled: true }); + } + }); + await rendered(page, 'toggle 29'); + assert.deepEqual(await page.evaluate(() => [source.firstChild === originalText, + source.shadowRoot.querySelectorAll('.gp-view').length, source.shadowRoot.querySelectorAll('slot').length]), [true, 1, 1]); +}); + +test('feature and color toggles re-render from source and reset without leftover formatting', async t => { + const page = await fixture(t); + await page.evaluate(() => engine.updateSettings({ bold: false })); + await page.waitForFunction(() => !view()); + assert.equal(await page.evaluate(() => source.innerText), '**alpha**'); + await page.evaluate(() => engine.updateSettings({ bold: true, boldColor: { color: '#0000ff', opacity: 75, customCss: 'letter-spacing:2px' } })); + await rendered(page, 'alpha'); + assert.deepEqual(await page.evaluate(() => { const b = view().querySelector('b'); const c = getComputedStyle(b); + return [c.color, c.opacity, c.letterSpacing]; }), ['rgb(0, 0, 255)', '0.75', '2px']); + await page.evaluate(() => engine.updateSettings({ boldColor: null })); + await page.waitForFunction(() => getComputedStyle(view().querySelector('b')).color !== 'rgb(0, 0, 255)'); + assert.equal(await page.evaluate(() => source.innerHTML), '**alpha**'); +}); + +test('changing raw content back to plain text restores original display', async t => { + const page = await fixture(t); + await page.evaluate(() => { originalText.data = 'plain again'; }); + await page.waitForFunction(() => !view()); + assert.equal(await page.evaluate(() => source.innerText), 'plain again'); +}); + +test('interactive content added during streaming restores live original buttons and handlers', async t => { + const page = await fixture(t); + await page.evaluate(() => { + const button = document.createElement('button'); button.textContent = 'citation'; + window.clicked = 0; button.addEventListener('click', () => clicked++); source.append(button); + }); + await page.waitForFunction(() => !view()); + await page.locator('#answer button').click(); + assert.equal(await page.evaluate(() => clicked), 1); + assert.equal(await page.evaluate(() => source.firstChild === originalText), true); +}); + +test('attachments, native KaTeX, code blocks, user queries, editors, table cells and outside text stay native', async t => { + const page = await fixture(t, { html: '**attachment**' }); + await page.evaluate(() => { + const container = document.querySelector('.chat-container'); + container.insertAdjacentHTML('beforeend', '

$native$

**code**

**query**

**edit**

**table**
'); + }); + await page.waitForTimeout(70); + assert.deepEqual(await page.evaluate(() => ['answer', 'math', 'pre', 'user', 'editor', 'cell', 'outside'].map(id => !!document.getElementById(id).shadowRoot)), Array(7).fill(false)); +}); + +test('another component shadow root is never overwritten', async t => { + const page = await fixture(t, { text: 'plain' }); + await page.evaluate(() => { + const shadow = source.attachShadow({ mode: 'open' }); const child = document.createElement('span'); + child.textContent = 'native component'; shadow.append(child); originalText.data = '**changed**'; + }); + await page.waitForTimeout(70); + assert.equal(await page.evaluate(() => source.shadowRoot.textContent), 'native component'); +}); + +test('class-only completion is observed and identical content does not rewrite the view', async t => { + const page = await fixture(t); + const before = await page.evaluate(() => engine.diagnostics()); + await page.evaluate(() => document.querySelector('footer').classList.remove('animated')); + await page.waitForFunction(count => engine.diagnostics().flushes > count, before.flushes); + assert.equal(await page.evaluate(() => engine.diagnostics().renderWrites), before.renderWrites); +}); + +test('500 synchronous updates coalesce and a sustained stream renders before its final token', async t => { + const page = await fixture(t); + const before = await page.evaluate(() => engine.diagnostics().renderWrites); + await page.evaluate(() => { for (let i = 0; i < 500; i++) originalText.data = `**token ${i}**`; }); + await rendered(page, 'token 499'); + assert.equal(await page.evaluate(count => engine.diagnostics().renderWrites - count, before), 1); + assert.equal(await page.evaluate(async () => { + const before = engine.diagnostics().renderWrites; let mid = 0; + for (let i = 0; i < 14; i++) { + originalText.data = `**live ${i}**`; await new Promise(resolve => setTimeout(resolve, 12)); + if (i === 6) mid = engine.diagnostics().renderWrites - before; + } + return mid > 0; + }), true); + await rendered(page, 'live 13'); +}); + +test('shadow writes do not retrigger the native observer and destroy cancels pending updates', async t => { + const page = await fixture(t); + await page.waitForTimeout(80); + const before = await page.evaluate(() => engine.diagnostics().flushes); + await page.waitForTimeout(80); + assert.equal(await page.evaluate(() => engine.diagnostics().flushes), before); + await page.evaluate(() => { originalText.data = '**queued**'; engine.destroy(); }); + await page.waitForTimeout(80); + assert.equal(await page.evaluate(() => view()), null); +}); + +test('nested emphasis, strikethrough, literal underline and code remain correctly separated', async t => { + const page = await fixture(t, { text: '**bold *italic*** ~~gone~~ under `**code** $x$`' }); + await rendered(page, 'bold italic gone under **code** $x$'); + assert.deepEqual(await page.evaluate(() => [view().querySelector('b i').textContent, + view().querySelector('s').textContent, view().querySelector('u').textContent, + view().querySelector('code').textContent, view().querySelectorAll('.katex').length]), ['italic', 'gone', 'under', '**code** $x$', 0]); +}); + +test('escaped delimiters and disabled code do not leak formatting into code contents', async t => { + const page = await fixture(t, { text: '\\*literal\\* **yes** `**code** $x$`', settings: { code: false } }); + await rendered(page, '*literal* yes `**code** $x$`'); + assert.deepEqual(await page.evaluate(() => [view().querySelectorAll('i').length, view().querySelectorAll('b').length, + view().querySelectorAll('.katex').length]), [0, 1, 0]); +}); + +test('disabled math stays opaque to emphasis, and a long literal dollar run is not parsed as math', async t => { + const page = await fixture(t, { text: '$a*b*c$ **yes**', settings: { latex: false } }); + await rendered(page, '$a*b*c$ yes'); + assert.equal(await page.evaluate(() => view().querySelectorAll('i,.katex').length), 0); + await page.evaluate(() => { originalText.data = '$'.repeat(10000) + ' **after**'; }); + await rendered(page, '$'.repeat(10000) + ' after'); +}); + +test('adjacent code inside emphasis cannot close the outer emphasis', async t => { + const page = await fixture(t, { text: '**before `**code**` after**' }); + await rendered(page, 'before **code** after'); + assert.equal(await page.evaluate(() => view().querySelector('b code').textContent), '**code**'); +}); + +test('a token split across native text nodes and neutral spans is parsed once', async t => { + const page = await fixture(t, { html: '**bold**' }); + await rendered(page, 'bold'); + assert.equal(await page.evaluate(() => source.childNodes.length), 2); + assert.equal(await page.evaluate(() => view().querySelectorAll('b').length), 1); +}); + +test('native formatting and opaque native inline code survive independent feature toggles', async t => { + const page = await fixture(t, { html: 'native **fixed** **literal**' }); + await rendered(page, 'native fixed **literal**'); + assert.equal(await page.evaluate(() => getComputedStyle(view().querySelector('strong')).color), 'rgb(100, 0, 0)'); + await page.evaluate(() => engine.updateSettings({ bold: false })); + await rendered(page, 'native **fixed** **literal**'); + assert.equal(await page.evaluate(() => view().querySelector('strong').textContent), 'native'); + assert.equal(await page.evaluate(() => source.innerHTML), 'native **fixed** **literal**'); +}); + +test('completion class and identical snapshots retain displayed nodes', async t => { + const page = await fixture(t, { text: '**steady** $x^2$' }); + await page.evaluate(() => { + window.displayedBold = view().querySelector('b'); window.displayedMath = view().querySelector('.gemini-parser-math'); + document.querySelector('#response').classList.add('complete'); + document.querySelector('footer').classList.remove('animated'); + source.setAttribute('data-path-to-node', '0'); + }); + await page.waitForTimeout(70); + assert.deepEqual(await page.evaluate(() => [view().querySelector('b') === displayedBold, + view().querySelector('.gemini-parser-math') === displayedMath]), [true, true]); +}); + +test('native final formatting and math metadata keep the existing projection and math tree before paint', async t => { + const page = await fixture(t, { text: '**steady** and $x^2$' }); + assert.deepEqual(await page.evaluate(async () => { + const oldView = view(); const oldBold = oldView.querySelector('b'); const oldMath = oldView.querySelector('.gemini-parser-math'); + const bold = document.createElement('b'); bold.textContent = 'steady'; + bold.setAttribute('data-path-to-node', '0,0'); bold.setAttribute('data-index-in-node', '0'); + const math = document.createElement('span'); math.className = 'math-inline'; + math.setAttribute('data-math', 'x^2'); math.setAttribute('data-index-in-node', '2'); + katex.render('x^2', math, { output: 'html' }); + source.replaceChildren(bold, document.createTextNode(' and '), math); + await new Promise(requestAnimationFrame); + return [view() === oldView, view().querySelector('b') === oldBold, + view().querySelector('.gemini-parser-math') === oldMath, source.firstChild === bold, + view().querySelectorAll('.gemini-parser-math').length]; + }), [true, true, true, true, 1]); +}); + +test('replacement paragraph gets its projection before the first animation frame', async t => { + const page = await fixture(t); + assert.equal(await page.evaluate(async () => { + const replacement = document.createElement('p'); replacement.id = 'answer'; replacement.textContent = '**finished**'; + source.replaceWith(replacement); source = replacement; + await new Promise(requestAnimationFrame); + return view()?.querySelector('b')?.textContent; + }), 'finished'); +}); + +test('completed metadata tokens retain streaming fonts, styles, and inline node identity', async t => { + const page = await fixture(t, { text: '**steady** `code`' }); + assert.deepEqual(await page.evaluate(async () => { + const style = document.createElement('style'); style.textContent = 'b{font-weight:500}code{font:30px serif;color:red}'; + document.head.appendChild(style); + const bold = view().querySelector('b'); const code = view().querySelector('code'); + const before = [getComputedStyle(bold).fontWeight, getComputedStyle(code).fontFamily, getComputedStyle(code).fontSize]; + const nativeBold = document.createElement('b'); nativeBold.textContent = 'steady'; nativeBold.setAttribute('data-path-to-node', '0,0'); + const nativeCode = document.createElement('code'); nativeCode.textContent = 'code'; nativeCode.setAttribute('data-path-to-node', '0,2'); + source.replaceChildren(nativeBold, document.createTextNode(' '), nativeCode); + await new Promise(requestAnimationFrame); + const after = [getComputedStyle(view().querySelector('b')).fontWeight, + getComputedStyle(view().querySelector('code')).fontFamily, getComputedStyle(view().querySelector('code')).fontSize]; + return [JSON.stringify(before) === JSON.stringify(after), view().querySelector('b') === bold, view().querySelector('code') === code]; + }), [true, true, true]); +}); + +test('appended streaming text retains the equal formula prefix and its text node', async t => { + const page = await fixture(t, { text: '$x^2$ tail' }); + await page.evaluate(() => { + window.oldFormula = view().querySelector('.gemini-parser-math'); + window.oldTail = view().lastChild; + originalText.data = '$x^2$ tail grows'; + }); + await page.waitForFunction(() => view().lastChild.textContent === ' tail grows'); + assert.deepEqual(await page.evaluate(() => [view().querySelector('.gemini-parser-math') === oldFormula, + view().lastChild === oldTail, source.firstChild === originalText]), [true, true, true]); +}); + +test('inline code keeps its visible themed chip during streaming, completion, and toggles', async t => { + const page = await fixture(t, { text: 'inline `const x = "$math$ **literal**";`' }); + assert.deepEqual(await page.evaluate(async () => { + source.style.setProperty('--lumi-sys-color--code-background', '#171717'); + source.style.setProperty('--lumi-sys-color--on-surface-variant', 'rgba(255,255,255,.55)'); + const code = view().querySelector('code'); + const box = node => { + const style = getComputedStyle(node); + return ['backgroundColor', 'color', 'display', 'padding', 'borderRadius', 'fontFamily', 'fontSize'].map(key => style[key]); + }; + const before = box(code); + const native = document.createElement('code'); native.textContent = code.textContent; + native.setAttribute('data-path-to-node', '0,1'); + source.replaceChildren(document.createTextNode('inline '), native); + await new Promise(requestAnimationFrame); + const stable = view().querySelector('code') === code && JSON.stringify(box(code)) === JSON.stringify(before); + engine.updateSettings({ enabled: false }); + const restored = source.shadowRoot.firstChild.tagName === 'SLOT' && source.lastChild === native; + engine.updateSettings({ enabled: true }); + return [before, stable, restored, JSON.stringify(box(view().querySelector('code'))) === JSON.stringify(before), + view().querySelector('code').textContent, view().querySelectorAll('.katex,b').length]; + }), [['rgb(23, 23, 23)', 'rgba(255, 255, 255, 0.55)', 'inline-block', '4px 6px', '9999px', + '"Google Sans Code", monospace', '15px'], true, true, true, 'const x = "$math$ **literal**";', 0]); +}); + +test('code theme changes and user overrides apply without replacing the code node', async t => { + const page = await fixture(t, { text: '`code`' }); + const themes = await page.evaluate(() => { + const code = view().querySelector('code'); + window.originalCode = code; + const background = () => getComputedStyle(code).backgroundColor; + const fallback = background(); + source.style.setProperty('--lumi-sys-color--code-background', '#eeeeee'); + const light = background(); + source.style.setProperty('--lumi-sys-color--code-background', '#171717'); + const dark = background(); + engine.updateSettings({ codeColor: { color: '#ff0000', opacity: 75, customCss: 'border-radius: 4px; padding: 2px;' } }); + return [fallback !== 'rgba(0, 0, 0, 0)', light, dark]; + }); + assert.deepEqual(themes, [true, 'rgb(238, 238, 238)', 'rgb(23, 23, 23)']); + await page.waitForFunction(() => getComputedStyle(view().querySelector('code')).color === 'rgb(255, 0, 0)'); + assert.deepEqual(await page.evaluate(() => { + const code = view().querySelector('code'); const style = getComputedStyle(code); + return [code === originalCode, style.opacity, style.borderRadius, style.padding]; + }), [true, '0.75', '4px', '2px']); +}); + +test('disabling code repair preserves the native code box inside other repaired formatting', async t => { + const page = await fixture(t, { html: '**bold** native', settings: { code: false } }); + assert.deepEqual(await page.evaluate(() => { + const native = source.querySelector('code'); const code = view().querySelector('code'); + const box = node => { const style = getComputedStyle(node); return ['backgroundColor', 'display', 'padding', 'borderRadius'].map(key => style[key]); }; + return [JSON.stringify(box(native)) === JSON.stringify(box(code)), code.textContent, + code.classList.contains('gemini-parser-code'), view().querySelector('b').textContent]; + }), [true, 'native', false, 'bold']); +}); + +test('quoted Korean emphasis and strike repair without loosening identifier underscores', async t => { + const page = await fixture(t, { text: '**"중요"**입니다 **(괄호)**도 *"기울임"*은 ~~"취소"~~입니다 변수__이름__입니다' }); + await rendered(page, '"중요"입니다 (괄호)도 "기울임"은 "취소"입니다 변수__이름__입니다'); + assert.deepEqual(await page.evaluate(() => [Array.from(view().querySelectorAll('b')).map(b => b.textContent), + view().querySelector('i').textContent, view().querySelector('s').textContent]), [['"중요"', '(괄호)'], '"기울임"', '"취소"']); +}); + +test('inline code backslashes are literal and closing ticks still end the code', async t => { + const page = await fixture(t, { text: '`C:\\` **after**' }); + await rendered(page, 'C:\\ after'); + assert.deepEqual(await page.evaluate(() => [view().querySelector('code').textContent, + view().querySelector('b').textContent]), ['C:\\', 'after']); +}); + +test('code whitespace normalization matches finalized native tokens', async t => { + const page = await fixture(t, { text: '`` code ` x `` and `a\nb` and ` `' }); + assert.deepEqual(await page.evaluate(() => Array.from(view().querySelectorAll('code')).map(c => c.textContent)), ['code ` x', 'a b', ' ']); + assert.equal(await page.evaluate(async () => { + const codes = Array.from(view().querySelectorAll('code')); + source.replaceChildren(...Array.from(view().childNodes).map(node => { + if (node.nodeType === 3) return node.cloneNode(); + const code = document.createElement('code'); code.textContent = node.textContent; code.setAttribute('data-path-to-node', '0'); return code; + })); + await new Promise(requestAnimationFrame); + return codes.every((code, i) => view().querySelectorAll('code')[i] === code); + }), true); +}); + +test('literal HTML entity spellings are not decoded a second time from native text', async t => { + const page = await fixture(t, { text: '© & * **yes**' }); + await rendered(page, '© & * yes'); + assert.equal(await page.evaluate(() => source.textContent), '© & * **yes**'); +}); + +test('bracket LaTeX delimiters stay opaque and render instead of losing backslashes', async t => { + const page = await fixture(t, { text: '\\(x^2\\) **bold** \\[\\frac{a}{b}\\]' }); + assert.deepEqual(await page.evaluate(() => [view().querySelectorAll('.katex').length, + view().querySelectorAll('.katex-display').length, view().querySelector('b').textContent]), [2, 1, 'bold']); + await page.evaluate(() => engine.updateSettings({ latex: false })); + await rendered(page, '\\(x^2\\) bold \\[\\frac{a}{b}\\]'); +}); + +test('hidden and translucent native inline content keeps its presentation in the shadow view', async t => { + const page = await fixture(t, { html: '**fixed** hiddenfainthidden bold' }); + assert.deepEqual(await page.evaluate(() => [getComputedStyle(view().querySelector('span')).display, + getComputedStyle(view().querySelectorAll('span')[1]).opacity, getComputedStyle(view().querySelectorAll('span')[1]).visibility, + getComputedStyle(view().querySelectorAll('b')[1]).display]), ['none', '0.2', 'hidden', 'none']); +}); + +test('class changes on ancestors inside the chat refresh copied inline styles', async t => { + const page = await fixture(t, { html: 'native **fixed**' }); + await page.evaluate(() => { + const style = document.createElement('style');style.textContent = '.theme .native{color:rgb(0,80,120)}';document.head.append(style); + document.querySelector('#response').classList.add('theme'); + }); + await page.waitForFunction(() => getComputedStyle(view().querySelector('span')).color === 'rgb(0, 80, 120)', null, { timeout: 1000 }); +}); + +test('prices do not become formulas or swallow following emphasis', async t => { + const page = await fixture(t, { text: '가격 $20이고 **중요**합니다. cost $20 and $30; **bold**. 수식 $20$과 $2+x$' }); + assert.deepEqual(await page.evaluate(() => [Array.from(view().querySelectorAll('b')).map(b => b.textContent), + Array.from(view().querySelectorAll('.gemini-parser-math')).map(m => m.getAttribute('data-math'))]), [['중요', 'bold'], ['20', '2+x']]); + assert.ok(await page.evaluate(() => view().textContent.includes('cost $20 and $30;'))); +}); + +test('metadata-only spans can split inline delimiters without blocking repair', async t => { + const page = await fixture(t, { html: '**bold**' }); + await rendered(page, 'bold'); + assert.deepEqual(await page.evaluate(() => [view().querySelectorAll('b').length, source.innerHTML === originalMarkup]), [1, true]); +}); + +test('nested underline pairs ignore tag spellings inside opaque code and math', async t => { + const page = await fixture(t, { text: 'outer inner `` $\\text{}$ tail' }); + assert.deepEqual(await page.evaluate(() => [view().querySelector('u u')?.textContent, + view().querySelector('u code')?.textContent, view().querySelector('u .gemini-parser-math')?.getAttribute('data-math'), + view().lastChild.tagName, view().lastChild.lastChild.textContent]), ['inner', '', '\\text{}', 'U', ' tail']); +}); + +test('native math visibility and opacity survive projection', async t => { + const page = await fixture(t, { html: '**fixed** ' }); + assert.deepEqual(await page.evaluate(() => { const maths = view().querySelectorAll('.gemini-parser-math');return [ + getComputedStyle(maths[0]).display, getComputedStyle(maths[1]).opacity, getComputedStyle(maths[1]).visibility]; + }), ['none', '0.2', 'hidden']); +}); + +test('new interactive content is shown natively before the next animation frame', async t => { + const page = await fixture(t); + assert.equal(await page.evaluate(async () => { + const button = document.createElement('button'); button.textContent = 'source'; source.append(button); + await new Promise(requestAnimationFrame); + return !view() && button.getBoundingClientRect().height > 0; + }), true); +}); + +test('native formulas with interactive descendants stay native', async t => { + const page = await fixture(t, { html: 'source' }); + assert.equal(await page.evaluate(() => source.shadowRoot), null); +}); + +test('a malformed final native formula does not restore the entire paragraph', async t => { + const page = await fixture(t, { text: '**steady** and $x$' }); + assert.deepEqual(await page.evaluate(async () => { + const oldView = view(); const oldBold = view().querySelector('b'); + const bold = document.createElement('b'); bold.textContent = 'steady'; bold.setAttribute('data-path-to-node', '0'); + const invalid = document.createElement('span'); invalid.className = 'math-inline'; + invalid.setAttribute('data-math', 'a$$b'); invalid.textContent = 'a$$b'; + source.replaceChildren(bold, document.createTextNode(' and '), invalid); + await new Promise(requestAnimationFrame); + return [view() === oldView, view().querySelector('b') === oldBold, view().textContent, source.lastChild === invalid]; + }), [true, true, 'steady and a$$b', true]); +}); + +test('unfinished math stays literal; inline and display math render when complete, with MathML accessibility', async t => { + const page = await fixture(t, { text: '$x^' }); + assert.equal(await page.evaluate(() => source.shadowRoot), null); + await page.evaluate(() => { originalText.data = '$x^2$ and $$\\frac{a}{b}$$'; }); + await page.waitForFunction(() => view()?.querySelectorAll('.katex').length === 2); + assert.deepEqual(await page.evaluate(() => [view().querySelectorAll('.katex-display').length, + view().querySelectorAll('math').length, source.textContent]), [1, 2, '$x^2$ and $$\\frac{a}{b}$$']); +}); + +test('invalid math and hostile literal HTML remain source text, without injected attributes or elements', async t => { + const page = await fixture(t, { text: '**safe** $\\invalidcommand$' }); + await rendered(page, 'safe $\\invalidcommand$'); + assert.equal(await page.evaluate(() => view().querySelectorAll('img,[onerror]').length), 0); + await page.evaluate(() => { originalText.data = '$\\text{\" onmouseover=\"bad}$'; }); + await page.waitForFunction(() => !!view()?.querySelector('.katex')); + assert.equal(await page.evaluate(() => view().querySelectorAll('[onmouseover]').length), 0); +}); + +test('a page requiring Trusted Types still renders math without an HTML policy', async t => { + const page = await fixture(t); + await page.evaluate(() => { + const meta = document.createElement('meta'); meta.httpEquiv = 'Content-Security-Policy'; + meta.content = "require-trusted-types-for 'script'; trusted-types 'none'"; document.head.append(meta); + originalText.data = '**secure** $x^2$'; + }); + await page.waitForFunction(() => !!view()?.querySelector('.katex')); + assert.equal(await page.evaluate(() => view().querySelector('b').textContent), 'secure'); +}); + +test('rendered text can be selected independently of the clipped original slot', async t => { + const page = await fixture(t); + assert.equal(await page.evaluate(() => { + const range = document.createRange(); range.selectNodeContents(view()); + const selection = getSelection(); selection.removeAllRanges(); selection.addRange(range); + return selection.toString(); + }), 'alpha'); +}); + +test('natural layout follows the rendered height, survives width changes, and restores on disable', async t => { + const page = await fixture(t, { text: '**' + 'long content '.repeat(20) + '**' }); + const first = await page.evaluate(() => ({ height: source.getBoundingClientRect().height, + next: document.querySelector('footer').getBoundingClientRect().top, top: source.getBoundingClientRect().top })); + assert.ok(first.next >= first.top + first.height); + assert.equal(await page.evaluate(() => document.documentElement.scrollWidth > document.documentElement.clientWidth), false); + await page.evaluate(() => { document.querySelector('.chat-container').style.width = '220px'; }); + await page.waitForFunction(height => source.getBoundingClientRect().height > height, first.height); + await page.evaluate(() => engine.updateSettings({ enabled: false })); + assert.equal(await page.evaluate(() => source.innerHTML === originalMarkup), true); + assert.equal(await page.evaluate(() => source.hasAttribute('style')), false); +}); + +test('bundled KaTeX font faces are registered and load successfully', async t => { + const page = await fixture(t, { text: '$x^2 + \\frac{a}{b}$' }); + await page.evaluate(() => document.fonts.ready); + assert.equal(await page.evaluate(() => [...document.fonts].some(font => font.family === 'KaTeX_Main' && font.status === 'loaded')), true); + assert.equal(await page.evaluate(() => [...document.fonts].some(font => font.status === 'error')), false); +}); + +test('theme changes update copied native inline styles, and new interactive attributes restore native content', async t => { + const page = await fixture(t, { html: 'native **fixed**' }); + await page.evaluate(() => { document.body.style.color = 'rgb(0, 80, 120)'; }); + await page.waitForFunction(() => getComputedStyle(view().firstChild).color === 'rgb(0, 80, 120)'); + await page.evaluate(() => { source.firstChild.setAttribute('data-citation-id', 'new-source'); }); + await page.waitForFunction(() => !view()); + assert.equal(await page.evaluate(() => source.firstChild.getAttribute('data-citation-id')), 'new-source'); +}); + +test('disclaimer hiding is reversible and never deletes its contents', async t => { + const page = await fixture(t); + assert.equal(await page.locator('hallucination-disclaimer').textContent(), 'native disclaimer'); + assert.equal(await page.evaluate(() => getComputedStyle(document.querySelector('hallucination-disclaimer')).visibility), 'hidden'); + await page.evaluate(() => engine.updateSettings({ enabled: false })); + assert.equal(await page.evaluate(() => getComputedStyle(document.querySelector('hallucination-disclaimer')).visibility), 'visible'); +}); + +test('late stylesheet arrival while disabled cannot resurrect output, and enabling renders math', async t => { + const page = await fixture(t, { text: '$x^2$', css: false, settings: { enabled: false } }); + await page.evaluate(css => engine.setKatexCss(css), css); + await page.waitForTimeout(70); + assert.equal(await page.evaluate(() => source.shadowRoot), null); + await page.evaluate(() => engine.updateSettings({ enabled: true })); + await page.waitForFunction(() => !!view()?.querySelector('.katex')); +}); + +test('existing native formulas stay native until the math stylesheet is ready', async t => { + const page = await fixture(t, { html: 'native formula', css: false }); + assert.equal(await page.evaluate(() => source.shadowRoot), null); + await page.evaluate(css => engine.setKatexCss(css), css); + await page.waitForFunction(() => !!view()?.querySelector('.katex')); + assert.equal(await page.evaluate(() => source.innerHTML === originalMarkup), true); +}); + +test('extension adapter listens when initially disabled and accepts cross-tab storage updates', async t => { + const page = await fixture(t, { settings: { enabled: false } }); + await page.evaluate(css => { + engine.destroy(); + window.messages = []; window.storageListeners = []; + window.chrome = { runtime: { onMessage: { addListener: listener => messages.push(listener) }, getURL: () => location.origin + '/lib/katex.min.css' }, + storage: { sync: { get: (keys, callback) => callback({ enabled: false }) }, + onChanged: { addListener: listener => storageListeners.push(listener) } } }; + window.fetch = async () => ({ ok: true, text: async () => css }); + }, css); + await page.addScriptTag({ path: path.join(root, 'content.js') }); + assert.equal(await page.evaluate(() => messages.length), 1); + await page.evaluate(() => messages[0]({ type: 'settingsUpdated', settings: { enabled: true } })); + await rendered(page, 'alpha'); + await page.evaluate(() => storageListeners[0]({ enabled: { newValue: false } }, 'sync')); + await page.waitForFunction(() => !view()); +}); + +test('generated userscript uses the same engine and its menu can enable an initially disabled session', async t => { + const page = await fixture(t, { settings: { enabled: false } }); + await page.evaluate(css => { + engine.destroy(); window.menu = null; window.saved = null; + window.GM_getValue = () => false; window.GM_setValue = (key, value) => { saved = value; }; + window.GM_getResourceText = () => css; + window.GM_registerMenuCommand = (label, callback) => { menu = callback; }; + }, css); + await page.addScriptTag({ path: path.join(root, 'user-script.js') }); + assert.equal(await page.evaluate(() => source.shadowRoot), null); + await page.evaluate(() => menu()); + await rendered(page, 'alpha'); + assert.equal(await page.evaluate(() => saved), true); + await page.evaluate(() => menu()); + await page.waitForFunction(() => !view()); +}); diff --git a/user-script.js b/user-script.js index 237b2c5..0a10df5 100644 --- a/user-script.js +++ b/user-script.js @@ -1,316 +1,605 @@ // ==UserScript== // @name Fix Gemini Parser // @namespace http://tampermonkey.net/ -// @version 4.1 -// @description Gemini에서 깨지는 수식($...$)과 마크다운을 고쳐줍니다. +// @version 5.0.3 +// @description Gemini의 스트리밍 마크다운과 수식을 원본 DOM을 유지하며 렌더링합니다. // @author kangjoseph90 // @match https://gemini.google.com/* -// @grant GM_addStyle // @grant GM_getResourceText +// @grant GM_getValue +// @grant GM_setValue +// @grant GM_registerMenuCommand // @require https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.js +// @require https://cdn.jsdelivr.net/npm/markdown-it@14.1.0/dist/markdown-it.min.js // @resource KATEX_CSS https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css // ==/UserScript== -(function() { +// Generated by scripts/build-userscript.cjs. Edit parser-engine.js or userscript-bootstrap.js. +/* Shared, non-destructive rendering engine for the extension and userscript. */ +(function (global) { 'use strict'; - // ================================== - // 🔧 사용자 설정 - // ================================== - const SETTINGS = { - enabled: true, - latex: true, - bold: true, - italic: true, - strike: true, - underline: true, - code: true - }; + const DEFAULTS = { enabled: true, latex: true, bold: true, italic: true, strike: true, underline: true, code: true }; + const COLOR_KEYS = ['boldColor', 'italicColor', 'strikeColor', 'underlineColor', 'codeColor', 'mathColor']; + const BLOCKS = 'p,h1,h2,h3,h4,h5,h6'; + const INLINE_TAGS = new Set(['SPAN', 'B', 'STRONG', 'I', 'EM', 'S', 'DEL', 'U', 'CODE', 'BR']); + const FORMATS = { B: 'bold', STRONG: 'bold', I: 'italic', EM: 'italic', S: 'strike', DEL: 'strike', U: 'underline', CODE: 'code' }; + const EXCLUDED = 'pre,code,[contenteditable="true"],[contenteditable=""],user-query,.user-query,.query-text,[data-role="user"],.response-footer'; + const INLINE_STYLE = ['color', 'background-color', 'font-family', 'font-size', 'font-weight', 'font-style', + 'line-height', 'letter-spacing', 'text-decoration', 'white-space', 'vertical-align', 'display', 'visibility', 'opacity']; + const CODE_BOX_STYLE = ['display', 'padding', 'margin', 'border', 'border-radius']; + const BASE_CSS = ` + .gp-original { position: absolute; width: 0; height: 0; overflow: hidden; + opacity: 0; pointer-events: none; user-select: none; } + .gp-view { white-space: inherit; } + /* Page selectors cannot reach the shadow tree. Use inherited Gemini + theme tokens so raw backticks and finalized CODE share a visible chip. */ + .gemini-parser-code { + font-family: "Google Sans Code", monospace; font-size: 15px; + font-weight: 400; line-height: 14px; white-space: pre-wrap; + display: inline-block; padding: 4px 6px; margin: 0; + border: 0; border-radius: 9999px; + color: var(--lumi-sys-color--on-surface-variant, var(--gem-sys-color--on-surface-variant, inherit)); + background-color: var(--lumi-sys-color--code-background, + var(--gem-sys-color--surface-container, color-mix(in srgb, currentColor 12%, transparent))); + } + .gemini-parser-math .katex { font-size: 1.1em; } + `; - // ================================== - // 🎨 색상/스타일 설정 - // ================================== - // 각 항목은 null이거나 다음 형식의 객체: - // { color: '#ff0000', opacity: 100, customCss: 'font-weight: bold' } - const COLOR_SETTINGS = { - boldColor: null, - italicColor: null, - strikeColor: null, - underlineColor: null, - codeColor: null, - mathColor: null - }; + function runLength(text, index, character) { + let end = index; + while (text[end] === character) end++; + return end - index; + } - if (!SETTINGS.enabled) return; + function escaped(text, index) { + let count = 0; + while (index > 0 && text[--index] === '\\') count++; + return count % 2 === 1; + } - // ================================== - // 스타일 주입 - // ================================== - GM_addStyle(GM_getResourceText("KATEX_CSS")); - GM_addStyle(` - .katex { font-size: 1.1em; } - .math-inline-wrapper { display: inline-block; } - `); + function closing(text, from, delimiter, literal = false) { + for (let i = from; i <= text.length - delimiter.length; i++) { + // Backslashes inside code spans are ordinary content, including + // immediately before closing backticks. Math still honors escapes. + if ((!literal && escaped(text, i)) || !text.startsWith(delimiter, i)) continue; + const character = delimiter[0]; + if ('*`$~'.includes(character) && (text[i - 1] === character || runLength(text, i, character) !== delimiter.length)) continue; + return i; + } + return -1; + } - // Trusted Types 정책 - let htmlPolicy = { createHTML: (s) => s }; - if (window.trustedTypes?.createPolicy) { - try { - htmlPolicy = window.trustedTypes.createPolicy('gemini-parser', { - createHTML: (s) => s - }); - } catch (e) { console.warn(e); } + function appendLiteral(parent, text, document) { + text.split('\n').forEach((line, index) => { + if (index) parent.appendChild(document.createElement('br')); + if (line) parent.appendChild(document.createTextNode(line)); + }); } - // 플레이스홀더 패턴 (충돌 방지용 null 문자 사용) - const PH = { - PREFIX: '\x00\x01GP_', - SUFFIX: '_\x01\x00', - CODE: (i) => `\x00\x01GP_CODE_${i}_\x01\x00`, - MATH: (i) => `\x00\x01GP_MATH_${i}_\x01\x00`, - ELEM: (i) => `\x00\x01GP_ELEM_${i}_\x01\x00`, - REGEX: { - CODE: /\x00\x01GP_CODE_(\d+)_\x01\x00/g, - MATH: /\x00\x01GP_MATH_(\d+)_\x01\x00/g, - ELEM: /\x00\x01GP_ELEM_(\d+)_\x01\x00/g + function underlineClosing(text, from) { + let depth = 1; + for (let i = from; i < text.length;) { + if (escaped(text, i)) { i++; continue; } + let delimiter = ''; + let endDelimiter = ''; + if (text[i] === '`') delimiter = endDelimiter = '`'.repeat(runLength(text, i, '`')); + else if (text[i] === '$' && runLength(text, i, '$') <= 2) delimiter = endDelimiter = '$'.repeat(runLength(text, i, '$')); + else if (text.startsWith('\\(', i) || text.startsWith('\\[', i)) { + delimiter = text.slice(i, i + 2); endDelimiter = delimiter === '\\(' ? '\\)' : '\\]'; + } + if (delimiter) { + const end = closing(text, i + delimiter.length, endDelimiter, text[i] === '`'); + if (end >= 0) { i = end + endDelimiter.length; continue; } + if (text[i] === '`') return -1; + } + if (text.startsWith('', i)) { depth++; i += 3; } + else if (text.startsWith('', i)) { + if (--depth === 0) return i; + i += 4; + } else i++; } - }; + return -1; + } - // ================================== - // 커스텀 스타일 주입 - // ================================== - function injectCustomStyles() { - let css = ''; + function nativeMath(element) { + return element.tagName === 'SPAN' && element.classList.contains('math-inline') && element.hasAttribute('data-math'); + } - // 헬퍼 함수: 각 스타일 항목 CSS 생성 - function buildStyleRule(selector, colorData) { - if (!colorData) return ''; - - let rule = `${selector} { `; - - // 기본 색상과 투명도 - if (colorData.color) { - rule += `color: ${colorData.color} !important; `; - } - if (colorData.opacity !== undefined && colorData.opacity !== 100) { - rule += `opacity: ${colorData.opacity / 100} !important; `; + function mathView(expression, displayMode, document, katex) { + const math = document.createElement('span'); math.className = 'math-inline gemini-parser-math'; + math.setAttribute('data-math', expression); + // The DOM renderer preserves MathML and never needs an HTML policy. + katex.render(expression, math, { throwOnError: true, output: 'htmlAndMathml', displayMode, + trust: false, maxExpand: 1000, maxSize: 20 }); + return math; + } + + // Only extension-owned nodes are patched. Keeping an equal prefix (especially + // KaTeX trees) avoids repainting/recreating completed content on every token. + function reconcile(parent, incoming) { + let changed = false; + const desired = Array.from(incoming.childNodes); + desired.forEach((next, index) => { + const current = parent.childNodes[index]; + if (!current) { parent.appendChild(next); changed = true; return; } + if (current.isEqualNode(next)) return; + if (current.nodeType !== next.nodeType || (current.nodeType === 1 && + (current.tagName !== next.tagName || current.namespaceURI !== next.namespaceURI))) { + current.replaceWith(next); changed = true; return; } - - // 커스텀 CSS 추가 - if (colorData.customCss) { - // 각 속성에 !important 추가 (없는 경우) - const customRules = colorData.customCss - .split(';') - .map(r => r.trim()) - .filter(r => r) - .map(r => r.includes('!important') ? r : r + ' !important') - .join('; '); - if (customRules) { - rule += customRules + '; '; + if (current.nodeType === 3) { + // Changing just the tail retains selection offsets in the prefix. + let prefix = 0; + while (prefix < current.length && prefix < next.length && current.data[prefix] === next.data[prefix]) prefix++; + current.replaceData(prefix, current.length - prefix, next.data.slice(prefix)); + changed = true; + } else if (current.nodeType === 1) { + for (const attribute of Array.from(current.attributes)) { + if (!next.hasAttribute(attribute.name)) { current.removeAttribute(attribute.name); changed = true; } + } + for (const attribute of next.attributes) { + if (current.getAttribute(attribute.name) !== attribute.value) { + current.setAttribute(attribute.name, attribute.value); changed = true; + } } + changed = reconcile(current, next) || changed; + } else { current.replaceWith(next); changed = true; } + }); + while (parent.childNodes.length > desired.length) { parent.lastChild.remove(); changed = true; } + return changed; + } + + // Use markdown-it's delimiter balancing for nested emphasis. Only inline + // formatting is enabled; links, images and raw HTML are never generated. + function tokenizer(markdownit) { + // The input is already DOM text; decoding entities again changes literal + // examples such as © that Gemini has already escaped for display. + const markdown = markdownit({ html: false, linkify: false }).disable(['link', 'image', 'autolink', 'entity']); + markdown.inline.ruler.at('text', (state, silent) => { + let end = state.pos; + while (end < state.posMax && !/[\n\\`*_[\]!<&~$]/.test(state.src[end])) end++; + if (end === state.pos) return false; + if (!silent) state.pending += state.src.slice(state.pos, end); + state.pos = end; return true; + }); + function opaque(state, type, delimiter, endDelimiter = delimiter) { + const start = state.pos; + const end = type === 'gp_underline' ? underlineClosing(state.src, start + delimiter.length) + : closing(state.src, start + delimiter.length, endDelimiter, type === 'code_inline'); + const token = state.push(end < 0 ? 'text' : type, '', 0); + const finish = end < 0 ? state.posMax : end + endDelimiter.length; + token.content = end < 0 ? state.src.slice(start) : state.src.slice(start + delimiter.length, end); + if (end >= 0 && type === 'code_inline') { + token.content = token.content.replace(/\r\n?|\n/g, ' '); + if (/^ .+ $/.test(token.content) && /[^ ]/.test(token.content)) token.content = token.content.slice(1, -1); } - - rule += '}\n'; - return rule; + token.markup = delimiter; + token.meta = { raw: state.src.slice(start, finish), endDelimiter }; + state.pos = finish; + return true; } - - css += buildStyleRule('.gemini-parser-bold', COLOR_SETTINGS.boldColor); - css += buildStyleRule('.gemini-parser-italic', COLOR_SETTINGS.italicColor); - css += buildStyleRule('.gemini-parser-strike', COLOR_SETTINGS.strikeColor); - css += buildStyleRule('.gemini-parser-underline', COLOR_SETTINGS.underlineColor); - css += buildStyleRule('.gemini-parser-code', COLOR_SETTINGS.codeColor); - css += buildStyleRule('.gemini-parser-math', COLOR_SETTINGS.mathColor); - - if (css) { - GM_addStyle(css); + markdown.inline.ruler.at('backticks', (state, silent) => { + if (state.src[state.pos] !== '`') return false; + if (silent) return false; + return opaque(state, 'code_inline', '`'.repeat(runLength(state.src, state.pos, '`'))); + }); + markdown.inline.ruler.before('escape', 'gp_math', (state, silent) => { + if (state.src.startsWith('\\(', state.pos) || state.src.startsWith('\\[', state.pos)) { + if (silent) return false; + const delimiter = state.src.slice(state.pos, state.pos + 2); + return opaque(state, 'gp_math', delimiter, delimiter === '\\(' ? '\\)' : '\\]'); + } + if (state.src[state.pos] !== '$') return false; + const length = runLength(state.src, state.pos, '$'); + if (silent) return false; + if (length > 2) { + state.pending += '$'.repeat(length); state.pos += length; return true; + } + if (length === 1) { + if (/\s/.test(state.src[state.pos + 1] || '')) return false; + const end = closing(state.src, state.pos + 1, '$'); + // Price text must not be paired with the next price's dollar. + // Do not search beyond an invalid close into a later formula. + if (end >= 0 && (/\s/.test(state.src[end - 1]) || /\d/.test(state.src[end + 1] || ''))) return false; + if (end < 0 && /^\d+(?:[.,]\d+)*(?=\s|[\uac00-\ud7af;,:.!?)]|$)/.test(state.src.slice(state.pos + 1)) && + !/[\\^_=+{}]/.test(state.src.slice(state.pos + 1))) return false; + } + if (!state.env.settings.latex && closing(state.src, state.pos + length, '$'.repeat(length)) < 0) return false; + return opaque(state, 'gp_math', '$'.repeat(length)); + }); + // Keep markdown-it's delimiter pairing and nesting, but accept a closing + // * or ~~ before Korean suffixes even when the content ends in quotes or + // punctuation. Underscores in identifiers retain the native word rules. + function koreanClose(state, silent, strike) { + const marker = strike ? 126 : 42; + if (silent || state.src.charCodeAt(state.pos) !== marker) return false; + const scanned = state.scanDelims(state.pos, true); + if (scanned.can_close || (strike && scanned.length < 2) || + !/[\u1100-\u11ff\u3130-\u318f\uac00-\ud7af]/.test(state.src[state.pos + scanned.length] || '') || + !state.pos || /\s/.test(state.src[state.pos - 1])) return false; + let remaining = scanned.length; + if (strike && remaining % 2) { state.push('text', '', 0).content = '~'; remaining--; } + for (let i = 0; i < remaining; i += strike ? 2 : 1) { + state.push('text', '', 0).content = strike ? '~~' : '*'; + state.delimiters.push({ marker, length: strike ? 0 : scanned.length, + token: state.tokens.length - 1, end: -1, open: scanned.can_open, close: true }); + } + state.pos += scanned.length; return true; } + markdown.inline.ruler.before('emphasis', 'gp_korean_emphasis', (state, silent) => koreanClose(state, silent, false)); + markdown.inline.ruler.before('strikethrough', 'gp_korean_strike', (state, silent) => koreanClose(state, silent, true)); + markdown.inline.ruler.before('escape', 'gp_underline', (state, silent) => { + if (!state.src.startsWith('', state.pos) || silent || !state.env.settings.underline) return false; + return opaque(state, 'gp_underline', '', ''); + }); + return markdown; } - // ================================== - // DOM → Markdown 변환 - // ================================== - function serialize(node, ctx = { preserved: [] }) { - if (node.nodeType === Node.TEXT_NODE) { - return node.nodeValue; + function parseText(text, options, document, katex, markdown, depth = 0) { + const fragment = document.createDocumentFragment(); + if (depth > 24 || !['bold', 'italic', 'strike', 'underline', 'code', 'latex'].some(key => options[key])) { + appendLiteral(fragment, text, document); return { fragment, changed: false }; } - - if (node.nodeType !== Node.ELEMENT_NODE) { - return ''; + const tokens = markdown.parseInline(text, { settings: options })[0].children; + const stack = [fragment]; + let plain = ''; + let transformed = false; + function literal(value) { appendLiteral(stack.at(-1), value, document); plain += value; } + for (const token of tokens) { + const type = { strong: 'bold', em: 'italic', s: 'strike' }[token.type.replace(/_(open|close)$/, '')]; + if (type && token.nesting) { + if (token.nesting === 1) { + if (options[type]) { + const wrapper = document.createElement({ bold: 'b', italic: 'i', strike: 's' }[type]); + wrapper.className = `gemini-parser-${type}`; + stack.at(-1).appendChild(wrapper); stack.push(wrapper); transformed = true; + } else { literal(token.markup); stack.push(stack.at(-1)); } + } else { + stack.pop(); if (!options[type]) literal(token.markup); + } + } else if (token.type === 'code_inline') { + if (!options.code) { literal(token.meta.raw); continue; } + const code = document.createElement('code'); code.className = 'gemini-parser-code'; code.textContent = token.content; + stack.at(-1).appendChild(code); plain += token.content; transformed = true; + } else if (token.type === 'gp_math') { + if (!options.latex || !katex || !token.content) { literal(token.meta.raw); continue; } + try { + const math = mathView(token.content, token.markup === '$$' || token.markup === '\\[', document, katex); + stack.at(-1).appendChild(math); transformed = true; + } catch { literal(token.meta.raw); } + } else if (token.type === 'gp_underline') { + const nested = parseText(token.content, options, document, katex, markdown, depth + 1); + const underline = document.createElement('u'); underline.className = 'gemini-parser-underline'; + underline.appendChild(nested.fragment); stack.at(-1).appendChild(underline); transformed = true; + } else if (token.type === 'softbreak' || token.type === 'hardbreak') literal('\n'); + else literal(token.content); } + return { fragment, changed: transformed || plain !== text }; + } - // 보존해야 할 요소 (화이트리스트) - if (node.tagName === 'RESPONSE-ELEMENT' || - node.classList.contains('attachment-container') - ) { - const index = ctx.preserved.push(node.outerHTML) - 1; - return PH.ELEM(index); + function safeBlock(element) { + if (!element.isConnected || !element.closest('.chat-container') || element.closest(EXCLUDED) || element.isContentEditable) return false; + if (element.querySelector(BLOCKS)) return false; + function safeInline(child) { + if (!INLINE_TAGS.has(child.tagName) || child.shadowRoot || child.isContentEditable) return false; + if ([...child.attributes].some(attribute => !['class', 'style', 'dir', 'lang', 'data-path-to-node', 'data-index-in-node'].includes(attribute.name) && + !attribute.name.startsWith('_ngcontent-') && !(nativeMath(child) && attribute.name === 'data-math'))) return false; + // Gemini's finished formula is an atomic text presentation. Read its + // expression, never clone its descendants or any interactive widget. + if (nativeMath(child)) return !child.querySelector('a,button,input,textarea,select,[tabindex],[contenteditable],[role]'); + if (/katex|mathjax|citation|attachment|source-chip/i.test(child.className)) return false; + return Array.from(child.children).every(safeInline); } + return Array.from(element.children).every(safeInline); + } - const tag = node.tagName; - const children = Array.from(node.childNodes).map(c => serialize(c, ctx)).join(''); - - switch (tag) { - case 'I': - case 'EM': - return `*${children}*`; - case 'B': - case 'STRONG': - return `**${children}**`; - case 'S': - case 'DEL': - return `~~${children}~~`; - case 'U': - return `${children}`; - case 'CODE': - return `\`${children}\``; - case 'BR': - return '\n'; - default: - if (node.classList.contains('math-inline')) { - const math = node.getAttribute('data-math'); - if (math) return `$${math}$`; + function renderBlock(source, settings, colors, document, katex, markdown) { + let changed = false; + function childrenOf(node) { + const fragment = document.createDocumentFragment(); + let text = ''; + function flush() { + if (!text) return; + const parsed = parseText(text, settings, document, katex, markdown); + fragment.appendChild(parsed.fragment); changed ||= parsed.changed; text = ''; + } + function visit(child) { + if (child.nodeType === 3) { text += child.nodeValue; return; } + if (child.nodeType !== 1) return; + if (nativeMath(child)) { + flush(); + // Native formulas stay formatted even with the repair toggle + // off, just as native / formatting does. + try { + const math = mathView(child.getAttribute('data-math'), !!child.querySelector('.katex-display'), document, katex); + const computed = global.getComputedStyle(child); + for (const [property, baseline] of [['display', 'inline'], ['visibility', 'visible'], ['opacity', '1']]) { + const value = computed.getPropertyValue(property); + if (property === 'display' ? value === 'none' : value !== baseline) math.style.setProperty(property, value); + } + fragment.appendChild(math); + } catch { + // A malformed final formula must not reset the rest of + // the paragraph or repeatedly switch display ownership. + appendLiteral(fragment, child.textContent || child.getAttribute('data-math'), document); + } + changed = true; return; + } + // Gemini can split one token across adjacent Text nodes/spans. + if (child.tagName === 'SPAN' && [...child.attributes].every(attribute => + ['data-path-to-node', 'data-index-in-node'].includes(attribute.name) || attribute.name.startsWith('_ngcontent-'))) { + child.childNodes.forEach(visit); return; + } + flush(); + const type = FORMATS[child.tagName]; + const finalizedFormat = type && settings[type] && !child.hasAttribute('style') && !child.hasAttribute('class') && + (child.hasAttribute('data-path-to-node') || child.hasAttribute('data-index-in-node')); + const tag = finalizedFormat ? { bold: 'b', italic: 'i', strike: 's', underline: 'u', code: 'code' }[type] : child.tagName.toLowerCase(); + const copy = document.createElement(tag); + if (!finalizedFormat) { + const computed = global.getComputedStyle(child); + INLINE_STYLE.forEach(property => copy.style.setProperty(property, computed.getPropertyValue(property))); + if (child.tagName === 'CODE') CODE_BOX_STYLE.forEach(property => copy.style.setProperty(property, computed.getPropertyValue(property))); } - return children; + // Completed Gemini tokens use our streaming presentation too; + // adopting native computed fonts here causes a visible final jump. + ['dir', 'lang'].forEach(name => { if (child.hasAttribute(name)) copy.setAttribute(name, child.getAttribute(name)); }); + if (type && settings[type]) { + copy.classList.add(`gemini-parser-${type}`); + changed = true; + } + if (child.tagName === 'CODE') copy.textContent = child.textContent; + else copy.appendChild(childrenOf(child)); + fragment.appendChild(copy); + } + node.childNodes.forEach(visit); flush(); return fragment; } + const fragment = childrenOf(source); + return { fragment, changed }; } - // ================================== - // Markdown → HTML 변환 - // ================================== - function render(text, preserved = []) { - // HTML 이스케이프 - let html = text - .replace(/&/g, '&') - .replace(//g, '>'); + function styleRules(colors, document) { + return COLOR_KEYS.map(key => { + const value = colors[key]; + if (!value) return ''; + const declaration = document.createElement('span').style; + declaration.cssText = value.customCss || ''; + if (value.color) declaration.setProperty('color', value.color); + if (Number.isFinite(value.opacity)) declaration.setProperty('opacity', String(Math.max(0, Math.min(100, value.opacity)) / 100)); + Array.from(declaration).forEach(property => declaration.setProperty(property, declaration.getPropertyValue(property), 'important')); + return `.gemini-parser-${key.slice(0, -5)} { ${declaration.cssText} }`; + }).join('\n'); + } - // 1. 인라인 코드 보호 - const codes = []; - if (SETTINGS.code) { - html = html.replace(/(`+)(.*?)\1/g, (_, tick, content) => { - codes.push(`${content}`); - return PH.CODE(codes.length - 1); - }); + function createEngine(options = {}) { + const document = options.document || global.document; + const markdown = tokenizer(options.markdownit || global.markdownit); + const settings = { ...DEFAULTS, ...options.settings }; + const colors = Object.fromEntries(COLOR_KEYS.map(key => [key, options.settings?.[key] ?? null])); + const roots = new WeakMap(); + const snapshots = new WeakMap(); + const active = new Map(); + const dirty = new Set(); + let katexCss = options.katexCss || ''; + let revision = 0; + let timer = null; + let scan = false; + let destroyed = false; + let observing = false; + let disclaimerStyle = null; + let fontStyle = null; + let containers = new Set(); + let sharedSheet = null; + let sheetRevision = -1; + let styleText = ''; + if (global.CSSStyleSheet?.prototype.replaceSync) sharedSheet = new global.CSSStyleSheet(); + const counters = { flushes: 0, renderWrites: 0 }; + + function restore(element) { + const root = roots.get(element); + if (root) { + root.adoptedStyleSheets = []; + root.replaceChildren(document.createElement('slot')); + } + active.delete(element); } - // 2. LaTeX 수식 - const maths = []; - if (SETTINGS.latex && typeof katex !== 'undefined') { - html = html.replace(/(? { - try { - const clean = latex - .replace(/</g, '<') - .replace(/>/g, '>') - .replace(/&/g, '&'); - const rendered = katex.renderToString(clean, { - throwOnError: true, - output: 'html', - displayMode: false - }); - maths.push(`${rendered}`); - return PH.MATH(maths.length - 1); - } catch { - return match; - } - }); + function styles() { + if (sheetRevision !== revision) { + const css = BASE_CSS + katexCss.replace(/@font-face\s*\{[^}]+\}/g, '') + '\n' + styleRules(colors, document); + if (css !== styleText) { styleText = css; sharedSheet?.replaceSync(css); } + sheetRevision = revision; + } + return styleText; } - // 3. 마크다운 서식 - if (SETTINGS.bold) html = html.replace(/\*\*(.*?)\*\*/g, '$1'); - if (SETTINGS.italic) html = html.replace(/(?$1'); - if (SETTINGS.strike) html = html.replace(/~~(.*?)~~/g, '$1'); - if (SETTINGS.underline) html = html.replace(/<u>(.*?)<\/u>/g, '$1'); - - // 4. 코드 복구 - if (SETTINGS.code) { - html = html.replace(PH.REGEX.CODE, (_, i) => codes[i]); + function projection(element) { + let root = roots.get(element); + if (!root) { + // Never take over another component's shadow root. + if (element.shadowRoot) return null; + try { root = element.attachShadow({ mode: 'open' }); } + catch { return null; } + roots.set(element, root); + } + const css = styles(); + const style = sharedSheet ? null : document.createElement('style'); + if (style) style.textContent = css; + else root.adoptedStyleSheets = [sharedSheet]; + const original = document.createElement('span'); + original.className = 'gp-original'; original.setAttribute('aria-hidden', 'true'); + original.appendChild(document.createElement('slot')); + const view = document.createElement('span'); view.className = 'gp-view'; + // The clipped slot keeps light-DOM innerText usable by native copy + // handlers, but is excluded from selection/accessibility. Only the + // preview takes space in normal flow. Original children never move. + root.replaceChildren(...(style ? [style, original, view] : [original, view])); + const entry = { root, style, view }; + active.set(element, entry); return entry; } - // 5. 줄바꿈 - html = html.replace(/\n/g, '
'); - - // 6. 수식 복구 - if (SETTINGS.latex) { - html = html.replace(PH.REGEX.MATH, (_, i) => maths[i]); + function process(element) { + if (!safeBlock(element)) { restore(element); snapshots.delete(element); return; } + if (element.shadowRoot && element.shadowRoot !== roots.get(element)) return; + // Keep native formulas visible until their projection stylesheet is + // ready; otherwise startup would briefly show unstyled math/text. + if (!katexCss && element.querySelector('.math-inline[data-math]')) { restore(element); snapshots.delete(element); return; } + const snapshot = element.innerHTML; // Read only; excludes the shadow tree. + const previous = snapshots.get(element); + if (previous?.source === snapshot && previous.revision === revision) return; + snapshots.set(element, { source: snapshot, revision }); + try { + const parsed = renderBlock(element, settings, colors, document, katexCss ? options.katex : null, markdown); + if (!parsed.changed) { if (active.has(element)) restore(element); return; } + const entry = active.get(element) || projection(element); + if (!entry) return; + const css = styles(); + if (entry.style && entry.style.textContent !== css) entry.style.textContent = css; + if (reconcile(entry.view, parsed.fragment)) counters.renderWrites++; + } catch (error) { + restore(element); + console.warn('[Gemini Parser] Kept native content after rendering error:', error); + } } - // 7. 보존된 요소 복구 - html = html.replace(PH.REGEX.ELEM, (_, i) => preserved[i]); + function flush() { + timer = null; + if (destroyed || !settings.enabled) return; + counters.flushes++; + for (const element of active.keys()) { + if (!element.isConnected || !element.closest('.chat-container')) { restore(element); snapshots.delete(element); } + } + if (scan) { + containers = new Set(document.querySelectorAll('.chat-container')); + containers.forEach(container => container.querySelectorAll(BLOCKS).forEach(element => dirty.add(element))); + scan = false; + } + const batch = [...dirty]; dirty.clear(); + batch.forEach(process); + } - return html; - } + function schedule(fullScan = false) { + if (destroyed || !settings.enabled) return; + scan ||= fullScan; + // Fixed coalescing window: continuous token arrival cannot postpone it. + if (timer === null) timer = global.setTimeout(flush, options.interval ?? 40); + } - // ================================== - // 처리 필요 여부 체크 - // ================================== - function needsProcessing(text) { - if (!text.trim()) return false; - return /\*|\$|`|~~|/.test(text); - } + function flushNow(fullScan = false) { + if (timer !== null) global.clearTimeout(timer); + timer = null; scan ||= fullScan; flush(); + } - // ================================== - // 면책 조항 제거 - // ================================== - function removeDisclaimers() { - // hallucination-disclaimer 요소를 높이 16px 빈 공간으로 변경 - document.querySelectorAll('hallucination-disclaimer').forEach(el => { - el.style.height = '16px'; - el.style.display = 'block'; - el.style.visibility = 'hidden'; - el.innerHTML = ''; + const observer = new global.MutationObserver(records => { + let fullScan = false; + let structuralChange = false; + for (const record of records) { + const target = record.target.nodeType === 1 ? record.target : record.target.parentElement; + const block = target?.closest(BLOCKS); + if (record.type === 'childList') { + // A new/replaced host otherwise shows raw content until the + // 40 ms token timer fires. Mount it in this microtask, before + // the next paint. Plain Text updates still use coalescing. + if (block && active.has(block) && [...record.addedNodes, ...record.removedNodes].some(node => node.nodeType === 1)) structuralChange = true; + if (Array.from(record.addedNodes).some(node => node.nodeType === 1 && + (node.matches(BLOCKS) || node.querySelector(BLOCKS)) && + (target?.closest('.chat-container') || node.matches('.chat-container') || node.querySelector('.chat-container')))) structuralChange = true; + } + if (block && (block.closest('.chat-container') || active.has(block))) { + dirty.add(block); + if (record.type === 'attributes') snapshots.delete(block); + } else if (record.type === 'childList' || target?.closest('.chat-container') || containers.has(target)) fullScan = true; + // Inline styles copied into the preview must follow ancestor + // theme changes too, even though the source HTML is unchanged. + if (record.type === 'attributes' && ['class', 'style'].includes(record.attributeName) && + [...containers].some(container => target === container || target?.contains(container) || + (container.contains(target) && target.querySelector(BLOCKS)))) { + revision++; fullScan = true; + } + } + if (fullScan || dirty.size) { + if (structuralChange) flushNow(fullScan); + else schedule(fullScan); + } }); - } - - // ================================== - // 메인 렌더링 - // ================================== - const SELECTOR = 'p:not([data-rendered]), h1:not([data-rendered]), h2:not([data-rendered]), h3:not([data-rendered]), h4:not([data-rendered]), td:not([data-rendered]), th:not([data-rendered])'; - function reRender() { - if (!SETTINGS.enabled) return; - - const container = document.querySelector('.chat-container'); - if (!container) return; + function start() { + if (destroyed || !settings.enabled || observing) return; + observer.observe(document.body, { childList: true, subtree: true, characterData: true, attributes: true }); + observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class', 'style'] }); + observing = true; + disclaimerStyle = document.createElement('style'); + disclaimerStyle.textContent = 'hallucination-disclaimer { display: block !important; visibility: hidden !important; height: 16px !important; overflow: hidden !important; }'; + document.head.appendChild(disclaimerStyle); + updateFonts(); + scan = true; flush(); + } - // 스트리밍 중이면 건너뛰기 - if (container.querySelector('.response-footer.animated')) return; + function stop() { + observer.disconnect(); observing = false; + if (timer !== null) global.clearTimeout(timer); + timer = null; dirty.clear(); scan = false; + for (const element of active.keys()) restore(element); + disclaimerStyle?.remove(); disclaimerStyle = null; + fontStyle?.remove(); fontStyle = null; containers.clear(); + } - container.querySelectorAll(SELECTOR).forEach(el => { - const ctx = { preserved: [] }; - const markdown = serialize(el, ctx); + function updateFonts() { + if (!settings.enabled || !katexCss) return; + // Chromium does not register @font-face rules defined only inside a + // shadow root. Register just the font faces in the document scope. + if (!fontStyle) { fontStyle = document.createElement('style'); document.head.appendChild(fontStyle); } + fontStyle.textContent = (katexCss.match(/@font-face\s*\{[^}]+\}/g) || []).join('\n'); + } - if (!needsProcessing(markdown)) { - el.setAttribute('data-rendered', ''); - return; + function updateSettings(values = {}) { + if (destroyed) return; + let changed = false; + for (const key of Object.keys(DEFAULTS)) { + if (typeof values[key] === 'boolean' && values[key] !== settings[key]) { settings[key] = values[key]; changed = true; } } - - const newHtml = render(markdown, ctx.preserved); - if (el.innerHTML !== newHtml) { - el.innerHTML = htmlPolicy.createHTML(newHtml); + for (const key of COLOR_KEYS) { + if (Object.hasOwn(values, key) && JSON.stringify(values[key]) !== JSON.stringify(colors[key])) { + colors[key] = values[key]; changed = true; + } } - el.setAttribute('data-rendered', ''); - }); - } + if (!changed) return; + revision++; + if (!settings.enabled) stop(); + else if (!observing) start(); + else schedule(true); + } - // ================================== - // 초기화 - // ================================== - // 커스텀 스타일 주입 - injectCustomStyles(); + const api = { + updateSettings, + setKatexCss(css) { if (!destroyed && css !== katexCss) { katexCss = css; revision++; updateFonts(); schedule(true); } }, + refresh() { revision++; schedule(true); }, + destroy() { stop(); destroyed = true; }, + diagnostics() { return { ...counters, enabled: settings.enabled, activeProjections: active.size, pendingBlocks: dirty.size }; } + }; + start(); + return api; + } - // 면책 조항 제거 - removeDisclaimers(); + global.GeminiParser = { createEngine, DEFAULTS, COLOR_KEYS }; +})(globalThis); - // DOM 변경 감지 - new MutationObserver(() => { - reRender(); - removeDisclaimers(); - }).observe(document.body, { - childList: true, - subtree: true +/* Editable userscript defaults. Run npm run build:userscript after changes. */ +(function () { + 'use strict'; + const SETTINGS = { ...GeminiParser.DEFAULTS, + enabled: GM_getValue('enabled', true), + boldColor: null, italicColor: null, strikeColor: null, + underlineColor: null, codeColor: null, mathColor: null + }; + const cssURL = 'https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css'; + const css = GM_getResourceText('KATEX_CSS').replace(/url\(([^)]+)\)/g, (_, url) => + `url("${new URL(url.trim().replace(/^['"]|['"]$/g, ''), cssURL).href}")`); + const engine = GeminiParser.createEngine({ settings: SETTINGS, katex, katexCss: css }); + GM_registerMenuCommand('Fix Gemini Parser: Toggle', () => { + SETTINGS.enabled = !SETTINGS.enabled; + GM_setValue('enabled', SETTINGS.enabled); + engine.updateSettings({ enabled: SETTINGS.enabled }); }); - - reRender(); - console.log('[Gemini Parser] Started'); - -})(); \ No newline at end of file +})(); diff --git a/userscript-bootstrap.js b/userscript-bootstrap.js new file mode 100644 index 0000000..c7e0732 --- /dev/null +++ b/userscript-bootstrap.js @@ -0,0 +1,18 @@ +/* Editable userscript defaults. Run npm run build:userscript after changes. */ +(function () { + 'use strict'; + const SETTINGS = { ...GeminiParser.DEFAULTS, + enabled: GM_getValue('enabled', true), + boldColor: null, italicColor: null, strikeColor: null, + underlineColor: null, codeColor: null, mathColor: null + }; + const cssURL = 'https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css'; + const css = GM_getResourceText('KATEX_CSS').replace(/url\(([^)]+)\)/g, (_, url) => + `url("${new URL(url.trim().replace(/^['"]|['"]$/g, ''), cssURL).href}")`); + const engine = GeminiParser.createEngine({ settings: SETTINGS, katex, katexCss: css }); + GM_registerMenuCommand('Fix Gemini Parser: Toggle', () => { + SETTINGS.enabled = !SETTINGS.enabled; + GM_setValue('enabled', SETTINGS.enabled); + engine.updateSettings({ enabled: SETTINGS.enabled }); + }); +})();