mirror of
https://github.com/lancedikson/bowser
synced 2026-10-16 08:10:38 +00:00
7b144d8247
Found by a differential test of the packed candidate against the published
2.14.1 across Node 12-22, Bun, TypeScript 4.7-7.0, seven bundlers and a
real browser.
- bowser.mjs is now lowered to ES5 syntax (keeping `export`). Before the
exports map, webpack, Rollup and esbuild resolved `import 'bowser'` to
es5.js via the `browser` field; the ES2015 bowser.mjs broke esbuild
`--target=es5` and shipped classes into webpack ES5 builds. The ESM build
sets `minify: false` explicitly, because rolldown's default DCE-only pass
re-prints the chunk after renderChunk and restores shorthand properties.
- `"sideEffects": ["./bundled.js"]` lets esbuild, Vite and webpack 4 drop an
unused `import 'bowser'`; bundled.js stays listed so polyfill-only imports
are never tree-shaken away.
- `./package` export restores extensionless `require('bowser/package')`,
which resolved on 2.14.1.
- bundled.js imports `core-js/es` plus the timers, immediate and
DOM-collection web polyfills instead of `core-js/stable`, dropping URL,
URLSearchParams and queueMicrotask, which no released bundled.js ever
shipped: 176.9 kB -> 156.1 kB (56.6 -> 49.3 kB gzip).
Tests: bowser.mjs must parse as ES5 apart from its export; bundled.js must
install the @babel/polyfill surface 2.14.1 shipped (passes on 2.14.1's
bundled.js, fails on unpolyfilled es5.js); package smoke test covers
`bowser/package` and `sideEffects`.
152 lines
4.0 KiB
JSON
152 lines
4.0 KiB
JSON
{
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"name": "bowser",
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"description": "Lightweight browser detector",
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"files": [
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"src",
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"es5.js",
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"bundled.js",
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"bowser.mjs",
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"index.d.ts",
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"index.d.mts"
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],
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"keywords": [
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"browser",
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"useragent",
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"user-agent",
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"parser",
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"ua",
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"detection",
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"ender",
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"sniff"
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],
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"homepage": "https://github.com/bowser-js/bowser",
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"author": "Dustin Diaz <dustin@dustindiaz.com> (http://dustindiaz.com)",
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"contributors": [
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{
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"name": "Denis Demchenko",
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"url": "http://twitter.com/lancedikson"
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},
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{
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"name": "Naor Peled",
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"url": "https://github.com/naorpeled"
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}
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],
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"main": "es5.js",
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"browser": "es5.js",
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"module": "src/bowser.js",
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"types": "index.d.ts",
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"sideEffects": [
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"./bundled.js"
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],
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"exports": {
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".": {
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"import": {
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"types": "./index.d.mts",
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"default": "./bowser.mjs"
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},
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"require": {
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"types": "./index.d.ts",
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"default": "./es5.js"
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},
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"default": "./es5.js"
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},
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"./es5.js": "./es5.js",
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"./es5": "./es5.js",
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"./bundled.js": "./bundled.js",
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"./bundled": "./bundled.js",
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"./bowser.mjs": {
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"types": "./index.d.mts",
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"default": "./bowser.mjs"
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},
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"./src/bowser.js": "./src/bowser.js",
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"./src/bowser": "./src/bowser.js",
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"./src/constants.js": "./src/constants.js",
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"./src/constants": "./src/constants.js",
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"./src/parser.js": "./src/parser.js",
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"./src/parser": "./src/parser.js",
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"./src/parser-browsers.js": "./src/parser-browsers.js",
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"./src/parser-browsers": "./src/parser-browsers.js",
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"./src/parser-engines.js": "./src/parser-engines.js",
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"./src/parser-engines": "./src/parser-engines.js",
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"./src/parser-os.js": "./src/parser-os.js",
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"./src/parser-os": "./src/parser-os.js",
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"./src/parser-platforms.js": "./src/parser-platforms.js",
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"./src/parser-platforms": "./src/parser-platforms.js",
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"./src/utils.js": "./src/utils.js",
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"./src/utils": "./src/utils.js",
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"./LICENSE": "./LICENSE",
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"./README.md": "./README.md",
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"./index.d.ts": "./index.d.ts",
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"./index.d.mts": "./index.d.mts",
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"./package.json": "./package.json",
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"./package": "./package.json"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/bowser-js/bowser.git"
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},
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"devDependencies": {
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"@arethetypeswrong/cli": "^0.18.5",
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"@babel/cli": "^7.29.7",
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"@babel/core": "^7.29.7",
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"@babel/preset-env": "^7.29.7",
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"@babel/register": "^7.29.7",
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"@eslint/js": "^10.0.1",
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"@rolldown/plugin-babel": "0.2.3",
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"acorn": "^8.18.0",
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"ava": "^3.0.0",
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"babel-plugin-add-module-exports": "^1.0.4",
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"babel-plugin-istanbul": "^8.0.0",
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"core-js": "^3.49.0",
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"coveralls-next": "^6.0.2",
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"docdash": "^2.0.2",
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"eslint": "^10.8.0",
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"eslint-config-airbnb-extended": "^3.1.0",
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"eslint-plugin-ava": "^17.0.1",
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"eslint-plugin-import": "^2.32.0",
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"gh-pages": "^6.3.0",
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"jsdoc": "^4.0.5",
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"nyc": "^18.0.0",
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"publint": "^0.3.22",
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"regenerator-runtime": "^0.14.1",
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"sinon": "^22.0.0",
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"terser": "^5.49.0",
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"testem": "^3.20.2",
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"tsdown": "^0.22.14",
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"typescript": "^5.9.3",
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"yamljs": "^0.3.0"
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},
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"ava": {
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"require": [
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"@babel/register"
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],
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"files": [
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"test/**/*.js",
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"!test/package/**",
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"!test/types/**"
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]
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},
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"bugs": {
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"url": "https://github.com/bowser-js/bowser/issues"
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},
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"directories": {
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"test": "test"
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},
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"scripts": {
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"build": "tsdown",
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"generate-and-deploy-docs": "pnpm generate-docs && gh-pages --dist docs --dest docs",
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"watch": "tsdown --watch",
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"lint:check": "eslint ./src",
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"lint:fix": "eslint --fix ./src",
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"testem": "testem",
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"test": "nyc --reporter=html --reporter=text ava",
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"test:watch": "ava --watch",
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"test:package": "node test/package/smoke.cjs",
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"coverage": "nyc report --reporter=text-lcov | coveralls",
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"generate-docs": "jsdoc -c jsdoc.json",
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"test:types": "node test/types/check.mjs"
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},
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"license": "MIT",
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"packageManager": "pnpm@11.18.0"
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}
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