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May 11, 2024 00:29
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TypeScript output es2015, esm (ES Modules), CJS, UMD, UMD + Min + Gzip. Assumes you install typescript (tsc), rollup, uglifyjs either globally or included as devDependencies
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| { | |
| "scripts": { | |
| "build": "npm run build:es2015 && npm run build:esm && npm run build:cjs && npm run build:umd && npm run build:umd:min", | |
| "build:es2015": "tsc --module es2015 --target es2015 --outDir dist/es2015", | |
| "build:esm": "tsc --module es2015 --target es5 --outDir dist/esm", | |
| "build:cjs": "tsc --module commonjs --target es5 --outDir dist/cjs", | |
| "build:umd": "rollup dist/esm/index.js --format umd --name YourLibrary --sourceMap --output dist/umd/yourlibrary.js", | |
| "build:umd:min": "cd dist/umd && uglifyjs --compress --mangle --source-map --screw-ie8 --comments --o yourlibrary.min.js -- yourlibrary.js && gzip yourlibrary.min.js -c > yourlibrary.min.js.gz", | |
| } | |
| } |
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@jdalton
Good point. so there is no choice but to output both CJS and ESM. (Which is what @jayphelps seems to be doing).
CJS for users who are writing CommonJS apps and don't wan't to go through the trouble of converting ESM->CSJ themselves.
ESM for just about any other use.