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2306 lines (1928 loc) · 33.7 KB
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const {
MarkdownRenderChild,
Notice,
Plugin,
TFile,
normalizePath,
} = require("obsidian");
const NOTELET_LANGUAGE = "notelet";
const NOTELETS_FOLDER = "Notelets";
const NOTELETS_ASSETS_FOLDER = "Notelets/_assets";
const ASSET_EXTENSIONS = [
"png",
"jpg",
"jpeg",
"gif",
"webp",
"avif",
"svg",
"ico",
"bmp",
"apng",
"mp3",
"wav",
"ogg",
"oga",
"m4a",
"aac",
"flac",
"mp4",
"webm",
"ogv",
"mov",
"woff",
"woff2",
"ttf",
"otf",
];
const ASSET_EXTENSION_PATTERN = ASSET_EXTENSIONS.join("|");
module.exports = class NoteletsPlugin extends Plugin {
async onload() {
console.log("Loading Notelets");
this.noteletData = (await this.loadData()) || {};
this.noteletData.storage ??= {};
this.registerDomEvent(window, "message", (event) => {
void this.handleNoteletMessage(event);
});
this.registerMarkdownCodeBlockProcessor(
NOTELET_LANGUAGE,
(source, el, ctx) => {
const noteletId = ctx.sourcePath;
const storage =
this.noteletData.storage[noteletId] || {};
const child = new NoteletRenderChild(
el,
source,
noteletId,
storage,
this.app
);
ctx.addChild(child);
}
);
this.addCommand({
id: "create-new-notelet",
name: "Create new Notelet",
callback: () => {
void this.createBlankNotelet();
},
});
this.addCommand({
id: "import-html-as-notelet",
name: "Import HTML as Notelet",
callback: () => {
void this.importHtmlFile();
},
});
this.addCommand({
id: "import-notelet-folder",
name: "Import app folder as Notelet",
callback: () => {
void this.importNoteletFolder();
},
});
this.addRibbonIcon(
"file-code-2",
"Import HTML as Notelet",
() => {
void this.importHtmlFile();
}
);
}
/*
* ============================================================
* CREATE BLANK NOTELET
* ============================================================
*/
async createBlankNotelet() {
try {
const name = window.prompt(
"Name your Notelet:",
"Untitled Notelet"
);
if (!name) {
return;
}
await this.ensureFolderRecursive(
NOTELETS_FOLDER
);
const safeName =
sanitizeFileName(name);
const notePath =
await this.getAvailableNotePath(
NOTELETS_FOLDER,
safeName
);
const html = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>${escapeHtmlText(name)}</title>
<style>
body {
margin: 0;
padding: 2rem;
font-family: system-ui, sans-serif;
}
</style>
</head>
<body>
<main id="app">
<h1>${escapeHtmlText(name)}</h1>
<p>Your Notelet starts here.</p>
</main>
<script>
// Your Notelet functionality
</script>
</body>
</html>`;
await this.createNoteletFile(
notePath,
html,
null,
null,
true
);
} catch (error) {
console.error(
"Could not create blank Notelet:",
error
);
new Notice(
"Could not create the Notelet. Check the developer console."
);
}
}
/*
* ============================================================
* SINGLE HTML IMPORT
* ============================================================
*/
async importHtmlFile() {
const input =
document.createElement("input");
input.type = "file";
input.accept =
".html,.htm,text/html";
input.multiple = false;
input.addEventListener(
"change",
() => {
const file =
input.files?.[0];
if (!file) {
return;
}
void this.createNoteletFromSingleHtml(
file
);
},
{ once: true }
);
input.click();
}
async createNoteletFromSingleHtml(file) {
try {
const html =
await file.text();
if (!html.trim()) {
new Notice(
"The selected HTML file is empty."
);
return;
}
await this.ensureFolderRecursive(
NOTELETS_FOLDER
);
const safeName =
sanitizeFileName(
removeHtmlExtension(
file.name
)
);
const notePath =
await this.getAvailableNotePath(
NOTELETS_FOLDER,
safeName
);
await this.createNoteletFile(
notePath,
html,
file.name,
null,
false
);
} catch (error) {
console.error(
"Notelet import failed:",
error
);
new Notice(
"Could not create the Notelet. Check the developer console."
);
}
}
/*
* ============================================================
* FOLDER IMPORT
* ============================================================
*/
async importNoteletFolder() {
const input =
document.createElement("input");
input.type = "file";
input.multiple = true;
input.setAttribute(
"webkitdirectory",
""
);
input.setAttribute(
"directory",
""
);
input.addEventListener(
"change",
() => {
const files =
Array.from(
input.files || []
);
if (!files.length) {
return;
}
void this.createNoteletFromFolder(
files
);
},
{ once: true }
);
input.click();
}
async createNoteletFromFolder(files) {
try {
const fileMap =
this.buildFileMap(files);
const htmlFile =
this.findEntryHtml(files);
if (!htmlFile) {
new Notice(
"No HTML file was found in that folder."
);
return;
}
await this.ensureFolderRecursive(
NOTELETS_FOLDER
);
const appName =
this.getFolderName(htmlFile) ||
removeHtmlExtension(
htmlFile.name
);
const safeName =
sanitizeFileName(appName);
const notePath =
await this.getAvailableNotePath(
NOTELETS_FOLDER,
safeName
);
const noteBasename =
getBasenameFromPath(
notePath
);
const assetRoot =
normalizePath(
`${NOTELETS_ASSETS_FOLDER}/${noteBasename}`
);
const context = {
files,
fileMap,
htmlFile,
assetRoot,
copiedAssets:
new Map(),
rootPrefix:
getRootPrefix(
htmlFile
),
};
let html =
await htmlFile.text();
html =
await this.bundleLocalStylesheets(
html,
htmlFile,
context
);
html =
await this.bundleLocalScripts(
html,
htmlFile,
context
);
html =
await this.processInlineStyles(
html,
htmlFile,
context
);
html =
await this.processHtmlAssetAttributes(
html,
htmlFile,
context
);
html =
await this.processInlineScripts(
html,
htmlFile,
context
);
await this.createNoteletFile(
notePath,
html,
htmlFile.name,
assetRoot,
false
);
const count =
context.copiedAssets.size;
if (count > 0) {
new Notice(
`Imported ${count} Notelet asset${count === 1 ? "" : "s"}.`
);
}
} catch (error) {
console.error(
"Notelet folder import failed:",
error
);
new Notice(
"Could not import the Notelet folder. Check the developer console."
);
}
}
buildFileMap(files) {
const map =
new Map();
for (const file of files) {
const relative =
normalizeRelativePath(
file.webkitRelativePath ||
file.name
);
map.set(
relative,
file
);
}
return map;
}
findEntryHtml(files) {
const indexFile =
files.find(
(file) =>
/(^|\/)index\.html?$/i.test(
normalizeRelativePath(
file.webkitRelativePath ||
file.name
)
)
);
if (indexFile) {
return indexFile;
}
return files.find(
(file) =>
/\.html?$/i.test(
file.name
)
);
}
getFolderName(file) {
const path =
normalizeRelativePath(
file.webkitRelativePath || ""
);
if (!path) {
return "";
}
return (
path.split("/")[0] ||
""
);
}
/*
* ============================================================
* CSS BUNDLING
* ============================================================
*/
async bundleLocalStylesheets(
html,
htmlFile,
context
) {
const regex =
/<link\b([^>]*?)href=["']([^"']+)["']([^>]*?)>/gi;
return await replaceMatchesAsync(
html,
regex,
async (match) => {
const fullTag =
match[0];
const before =
match[1] || "";
const href =
match[2];
const after =
match[3] || "";
const attributes =
`${before} ${after}`;
if (
!/\brel\s*=\s*["']?stylesheet/i.test(
attributes
)
) {
return fullTag;
}
if (
isExternalResource(
href
)
) {
return fullTag;
}
const cssFile =
resolveRelatedFile(
htmlFile,
href,
context.fileMap
);
if (!cssFile) {
console.warn(
`Notelets: Could not resolve stylesheet: ${href}`
);
return fullTag;
}
let css =
await cssFile.text();
css =
await this.processCssAssetReferences(
css,
cssFile,
context
);
return [
`<style data-notelet-source="${escapeHtmlAttribute(href)}">`,
css,
"</style>",
].join("\n");
}
);
}
/*
* ============================================================
* JS BUNDLING
* ============================================================
*/
async bundleLocalScripts(
html,
htmlFile,
context
) {
const regex =
/<script\b([^>]*?)src=["']([^"']+)["']([^>]*)><\/script>/gi;
return await replaceMatchesAsync(
html,
regex,
async (match) => {
const fullTag =
match[0];
const before =
match[1] || "";
const src =
match[2];
const after =
match[3] || "";
if (
isExternalResource(
src
)
) {
return fullTag;
}
const jsFile =
resolveRelatedFile(
htmlFile,
src,
context.fileMap
);
if (!jsFile) {
console.warn(
`Notelets: Could not resolve script: ${src}`
);
return fullTag;
}
let js =
await jsFile.text();
js =
await this.processJavaScriptAssetStrings(
js,
jsFile,
context
);
const attributes =
`${before} ${after}`
.trim();
const attrText =
attributes
? ` ${attributes}`
: "";
return [
`<script${attrText} data-notelet-source="${escapeHtmlAttribute(src)}">`,
js,
"</script>",
].join("\n");
}
);
}
/*
* ============================================================
* INLINE STYLES
* ============================================================
*/
async processInlineStyles(
html,
htmlFile,
context
) {
const regex =
/<style\b([^>]*)>([\s\S]*?)<\/style>/gi;
return await replaceMatchesAsync(
html,
regex,
async (match) => {
const attrs =
match[1] || "";
let css =
match[2] || "";
css =
await this.processCssAssetReferences(
css,
htmlFile,
context
);
return (
`<style${attrs}>` +
css +
"</style>"
);
}
);
}
async processCssAssetReferences(
css,
sourceFile,
context
) {
const regex =
/url\(\s*(['"]?)([^'")]+)\1\s*\)/gi;
return await replaceMatchesAsync(
css,
regex,
async (match) => {
const full =
match[0];
const resource =
match[2].trim();
if (
isExternalResource(
resource
)
) {
return full;
}
const placeholder =
await this.importAssetReference(
sourceFile,
resource,
context
);
if (!placeholder) {
return full;
}
return (
`url("${placeholder}")`
);
}
);
}
/*
* ============================================================
* HTML ASSET ATTRIBUTES
* ============================================================
*/
async processHtmlAssetAttributes(
html,
htmlFile,
context
) {
const attributeRegex =
/\b(src|poster)=("([^"]*)"|'([^']*)')/gi;
html =
await replaceMatchesAsync(
html,
attributeRegex,
async (match) => {
const full =
match[0];
const attribute =
match[1];
const quote =
match[2][0];
const resource =
match[3] !== undefined
? match[3]
: match[4];
if (
!resource ||
isExternalResource(
resource
)
) {
return full;
}
if (
!looksLikeAssetPath(
resource
)
) {
return full;
}
const placeholder =
await this.importAssetReference(
htmlFile,
resource,
context
);
if (!placeholder) {
return full;
}
return (
`${attribute}=${quote}` +
placeholder +
quote
);
}
);
const srcsetRegex =
/\bsrcset=("([^"]*)"|'([^']*)')/gi;
html =
await replaceMatchesAsync(
html,
srcsetRegex,
async (match) => {
const full =
match[0];
const quote =
match[1][0];
const value =
match[2] !== undefined
? match[2]
: match[3];
const entries =
value
.split(",")
.map(
(entry) =>
entry.trim()
)
.filter(Boolean);
const output = [];
for (
const entry of entries
) {
const parts =
entry.split(
/\s+/
);
const resource =
parts.shift();
const descriptor =
parts.join(" ");
if (
!resource ||
isExternalResource(
resource
) ||
!looksLikeAssetPath(
resource
)
) {
output.push(
entry
);
continue;
}
const placeholder =
await this.importAssetReference(
htmlFile,
resource,
context
);
if (!placeholder) {
output.push(
entry
);
continue;
}
output.push(
descriptor
? `${placeholder} ${descriptor}`
: placeholder
);
}
return (
`srcset=${quote}` +
output.join(", ") +
quote
);
}
);
return html;
}
/*
* ============================================================
* INLINE SCRIPTS
* ============================================================
*/
async processInlineScripts(
html,
htmlFile,
context
) {
const regex =
/<script\b([^>]*)>([\s\S]*?)<\/script>/gi;
return await replaceMatchesAsync(
html,
regex,
async (match) => {
const attrs =
match[1] || "";
if (
/\bdata-notelet-source=/i.test(
attrs
)
) {
return match[0];
}
let js =
match[2] || "";
const typeMatch =
attrs.match(
/\btype=["']([^"']+)["']/i
);
if (typeMatch) {
const type =
typeMatch[1]
.toLowerCase();
const allowed =
type.includes(
"javascript"
) ||
type === "module";
if (!allowed) {
return match[0];
}
}
js =
await this.processJavaScriptAssetStrings(
js,
htmlFile,
context
);
return (
`<script${attrs}>` +
js +
"</script>"
);
}
);
}
/*
* ============================================================
* JS ASSET STRING MATCHING
* ============================================================
*/
async processJavaScriptAssetStrings(
js,
sourceFile,
context
) {
const regex =
new RegExp(
`(["'\`])([^"'\\\`\\r\\n]+?\\.(?:${ASSET_EXTENSION_PATTERN}))(?:([?#][^"'\\\`\\r\\n]*))?\\1`,
"gi"
);
return await replaceMatchesAsync(
js,
regex,
async (match) => {
const full =
match[0];
const quote =
match[1];