{
  "compilerOptions": {
    "target": "ES2015",
    "module": "commonjs",
    "outDir": "./dist/cjs",
    "esModuleInterop": true,
    "moduleResolution": "node"
  }
}

esm

tsconfig-esm.json

{
  "extends": "./tsconfig.json",
  "compilerOptions": {
    "target": "es2015",
    "module": "es2015",
    "outDir": "./dist/esm",
    "moduleResolution": "node"
  }
}

package.json

{
  "main": "./dist/cjs/index.js",
  "module": "./dist/esm/index.js",
  "scripts": {
    "build": "rm -rf dist &amp;&amp; tsc -p tsconfig.json &amp;&amp; tsc -p tsconfig-esm.json"
  },
}

rollup

rollup.config.js
package.json

rollup.config.js

export default [
  {
    input: "src/index.js",
    output: [
      { file: "dist/index.cjs.js", format: "cjs" },
      { file: "dist/index.esm.js", format: "es" },
    ],
  },
];

package.json

{
  "main": "dist/index.cjs.js",
  "module": "dist/index.esm.js",
  "scripts": {
    "build": "rollup -c",
  },
}

webpack

webpack.config.js
package.json

webpack.config.js

const path = require("path");
module.exports = {
  mode: 'none',
  entry: {
    "index.cjs": {
      import: './src/index.js',
      library: {
        type: 'commonjs2',
      },
    },
    "index.esm": {
      import: './src/index.js',
      library: {
        type: 'module',
      },
    },
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: "[name].js",
    clean: true,
  },
  experiments: {
    outputModule: true
  }
};

package.json

{
  "main": "dist/index.cjs.js",
  "module": "dist/index.esm.js",
  "scripts": {
    "build": "webpack",
  },
  "devDependencies": {
    "webpack": "^5.38.1",
    "webpack-cli": "^4.7.2"
  }
}

esbuild

package.json

{
  "main": "dist/index.cjs.js",
  "module": "dist/index.esm.js",
  "scripts": {
    "esbuild:cjs": "esbuild ./src/index.js --bundle --outfile=dist/index.cjs.js --format=cjs",
    "esbuild:esm": "esbuild ./src/index.js --bundle --outfile=dist/index.esm.js --format=esm",
    "build": "npm run esbuild:cjs &amp;&amp; npm run esbuild:esm"
  },
  "devDependencies": {
    "esbuild": "^0.14.49"
  },
}

以上就是支持cjs及esm的npm包的示例詳解的詳細(xì)內(nèi)容，更多關(guān)于npm包支持cjs esm的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章！

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