Claude
3bd190bde6
`sideEffects` named metadata.js, the module holding the global install, but not the
barrel that re-exports it. A side-effect-free barrel is droppable whole, so every
bundler pruned the `export * from './metadata.js'` edge before metadata.js's own
marking was ever consulted, and the install vanished.
Measured on `import { configure } from 'cereale'`: 145 bytes through esbuild, 143
through webpack, 144 through rollup, with `Symbol.metadata` absent from all three.
It matters because tsc's decorator emit reads the well-known symbol directly —
const _metadata = typeof Symbol === "function" && Symbol.metadata
? Object.create(null) : void 0;
so without it a decorated class is handed `metadata: undefined` and ends up with no
rules at all. Two places in the source promised this survived bundling; it did not.
index.js and index.ts are listed now. The cost is ~100 bytes and lands only on
imports that reach nothing else: the single-decorator, validateSync, toPlainSync,
toInstanceSync and whole-library cases are byte-identical before and after, across
all three bundlers. dist/cjs needs nothing — tsc emits `__exportStar(require(...))`,
an unconditional statement no bundler can drop.
Two new cases in treeshake.test.ts pin it, one on src and one on dist/esm, since
those are separate manifest paths and a typo in either is invisible from the other.
Both were checked by removing the entry and watching them fail.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SAcqrz3FcadkYr3xG32CjK
98 lines
2.8 KiB
JSON
98 lines
2.8 KiB
JSON
{
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"name": "cereale",
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"version": "0.4.0",
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"description": "Strongly typed JSON mapping and validation for TypeScript classes \u2014 validated domain objects, not validated data. A zero-dependency replacement for class-validator + class-transformer, on TC39 standard decorators.",
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"type": "module",
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"main": "./dist/cjs/index.js",
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"module": "./dist/esm/index.js",
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"types": "./dist/esm/index.d.ts",
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"exports": {
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".": {
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"types": "./dist/esm/index.d.ts",
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"import": "./dist/esm/index.js",
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"require": "./dist/cjs/index.js"
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},
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"./vite": {
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"types": "./dist/esm/vite.d.ts",
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"import": "./dist/esm/vite.js",
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"require": "./dist/cjs/vite.js"
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},
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"./min": {
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"types": "./dist/esm/index.d.ts",
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"default": "./dist/cereale.min.js"
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}
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},
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"sideEffects": [
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"./dist/esm/index.js",
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"./dist/esm/metadata.js",
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"./dist/cereale.min.js",
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"./src/index.ts",
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"./src/metadata.ts"
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],
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"files": [
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"dist",
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"src",
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"FRAMEWORKS.md",
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"CHANGELOG.md",
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"!src/**/*.test.ts",
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"!src/example.ts"
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],
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"scripts": {
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"build": "rm -rf dist && tsc -p tsconfig.cjs.json && tsc -p tsconfig.esm.json && echo '{\"type\": \"commonjs\"}' > dist/cjs/package.json && node scripts/build-bundle.mjs",
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"build:docs": "node scripts/build-docs.mjs",
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"demo": "node --no-warnings=ExperimentalWarning --loader ts-node/esm src/example.ts",
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"type-check": "tsc --noEmit",
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"test": "vitest run",
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"test:watch": "vitest",
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"test:coverage": "vitest run --coverage",
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"lint": "eslint .",
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"lint:fix": "eslint . --fix",
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"verify": "npm run type-check && npm run lint && npm run test && npm run build && npm run check:types && npm run check:docs",
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"prepublishOnly": "npm run verify",
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"check:docs": "node scripts/check-docs.mjs",
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"check:types": "node scripts/check-types.mjs"
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},
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"engines": {
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"node": ">=20.0.0"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/avalon-vanguard/cereale.git"
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},
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"keywords": [
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"json",
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"validation",
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"decorators",
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"standard-decorators",
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"typescript",
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"dto",
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"serialization",
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"class-validator",
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"class-transformer",
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"class-validator-alternative"
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],
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"author": "Avalon Vanguard",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/avalon-vanguard/cereale/issues"
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},
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"homepage": "https://avalon-vanguard.github.io/cereale/",
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"devDependencies": {
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"@babel/standalone": "^8.0.4",
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"@eslint/js": "^10.0.1",
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"@swc/core": "^1.15.47",
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"@types/node": "^25.6.0",
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"@vitest/coverage-v8": "^4.1.4",
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"esbuild": "^0.25.0",
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"eslint": "^10.2.1",
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"globals": "^17.5.0",
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"ts-node": "^10.9.2",
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"typescript": "^6.0.2",
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"typescript-eslint": "^8.58.2",
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"vitest": "^4.1.4"
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},
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"publishConfig": {
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"access": "public"
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}
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}
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