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Make all neaps packages ESM-only #301

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Merged
bkeepers merged 2 commits into from
Jul 28, 2026
Merged

Make all neaps packages ESM-only #301

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bf42830
Drop the CommonJS build of neaps
bkeepers Jul 28, 2026
4d55204
Make all packages ESM-only
bkeepers Jul 28, 2026
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10 changes: 10 additions & 0 deletions .changeset/neaps-esm-only.md
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@@ -0,0 +1,10 @@
---
"neaps": minor
"@neaps/tide-predictor": minor
"@neaps/react": minor
---

Drop the CommonJS builds; all neaps packages are now ESM-only. The CJS entries
can't survive their dependencies going ESM-only, since they load them with
`require()`. CommonJS consumers on Node 20.19+ / 22.12+ can still `require()`
these packages via Node's `require(esm)` support.
5 changes: 2 additions & 3 deletions packages/neaps/package.json
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Expand Up @@ -18,12 +18,11 @@
"license": "MIT",
"author": "Brandon Keepers <brandon@openwaters.io>",
"type": "module",
"main": "dist/index.cjs",
"main": "dist/index.js",
"exports": {
".": {
"types": "./dist/index.d.ts",
"import": "./dist/index.js",
"require": "./dist/index.cjs"
"import": "./dist/index.js"
}
},
"files": [
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5 changes: 2 additions & 3 deletions packages/react/package.json
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Expand Up @@ -19,12 +19,11 @@
"license": "MIT",
"author": "Brandon Keepers <brandon@openwaters.io>",
"type": "module",
"main": "dist/index.cjs",
"main": "dist/index.js",
"exports": {
".": {
"types": "./dist/index.d.ts",
"import": "./dist/index.js",
"require": "./dist/index.cjs"
"import": "./dist/index.js"
},
"./styles.css": "./dist/styles.css"
},
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2 changes: 1 addition & 1 deletion packages/react/tsdown.config.ts
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Expand Up @@ -3,7 +3,7 @@ import { defineConfig } from "tsdown";
export default defineConfig({
entry: ["./src/index.ts"],
dts: true,
format: ["cjs", "esm"],
format: ["esm"],
sourcemap: true,
target: "es2020",
platform: "browser",
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5 changes: 2 additions & 3 deletions packages/tide-predictor/package.json
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Expand Up @@ -10,12 +10,11 @@
"author": "Kevin Miller <keveemiller@gmail.com>",
"license": "MIT",
"type": "module",
"main": "dist/index.cjs",
"main": "dist/index.js",
"exports": {
".": {
"types": "./dist/index.d.ts",
"import": "./dist/index.js",
"require": "./dist/index.cjs"
"import": "./dist/index.js"
}
},
"files": [
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2 changes: 1 addition & 1 deletion tsdown.config.js
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Expand Up @@ -3,7 +3,7 @@ import { defineConfig } from "tsdown";
export default defineConfig({
entry: ["./src/index.ts"],
dts: true,
format: ["cjs", "esm"],
format: ["esm"],
sourcemap: true,
declarationMap: true,
target: "es2020",
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