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Co-authored-by: ljharb <ljharb@gmail.com> BREAKING CHANGE: This package now includes [conditional package exports][docs]. Most consumers should be able to upgrade without any issues, however, package exports limits the allowed entry points inside of Node.js and also affects consumption in other bundlers. - `main` targets been updated to support down to node 4 (ES5) - `module` targets has update to support down to node 6 (ES2015) - `exports` targets have been set to node 12 (ES2019) - `unpkg` targets have been set to browserslist `defaults` [docs]: https://nodejs.org/api/packages.html#conditional-exports
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| @@ -1,5 +1,5 @@ | ||
| /dist | ||
| /build | ||
| /coverage | ||
| node_modules | ||
| dist | ||
| build | ||
| coverage | ||
| .DS_Store |
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| @@ -0,0 +1,89 @@ | ||
| import babel from '@rollup/plugin-babel'; | ||
| import resolve from '@rollup/plugin-node-resolve'; | ||
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| const input = './src/index.ts'; | ||
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| // please update the package.json to reflect any changes here | ||
| const bundles = createBundles({ | ||
| // the `unpkg` UMD bundle (for usage without a bundler) | ||
| unpkg: { | ||
| format: 'umd', | ||
| targets: 'defaults', | ||
| output: { name: 'color2k' }, | ||
| }, | ||
| // legacy node bundle (note: this is currently used in jest-resolve) | ||
| main: { | ||
| format: 'cjs', | ||
| targets: 'node 4', | ||
| }, | ||
| // the `module` bundle that should support older bundlers that used this entry | ||
| // point. (e.g. webpack 2) | ||
| module: { | ||
| format: 'es', | ||
| // `node 6` is a good target because it's closest to es2015 specified in the | ||
| // rollup spec: https://github.com/rollup/rollup/wiki/pkg.module | ||
| targets: 'node 6', | ||
| }, | ||
| exports: { | ||
| // `node 12` is a good target because: | ||
| // | ||
| // this module entry point is used by several bundlers. | ||
| // namely: webpack, @rollup/plugin-node-resolve, wmr (via rollup) | ||
| // | ||
| // the lowest common denominator is **acorn 7** with ecmaVersion `2019` | ||
| // - @rollup/plugin-node-resolve supports as low as rollup 1.2 | ||
| // - rollup 1.2 uses acorn 7 with ecmaVersion `2019` https://github.com/rollup/rollup/blob/v1.2.0/src/Module.ts#L105 | ||
| // - webpack uses acorn 8 with ecmaVersion latest https://github.com/webpack/webpack/blob/v5.0.0/lib/javascript/JavascriptParser.js#L128 | ||
| // - node 12 is the first version to completely support ES2019 https://node.green/#ES2019 | ||
| // | ||
| // this module entry point is used by esbuild too. | ||
| // https://esbuild.github.io/api/#how-conditions-work | ||
| import: { | ||
| format: 'es', | ||
| targets: 'node 12', | ||
| extension: 'mjs', | ||
| }, | ||
| require: { | ||
| format: 'cjs', | ||
| targets: 'node 12', | ||
| }, | ||
| }, | ||
| }); | ||
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| function createBundles(config, parents = []) { | ||
| if ('targets' in config) { | ||
| const { format, extension = 'js', output, targets } = config; | ||
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| return [ | ||
| { | ||
| input, | ||
| output: { | ||
| file: `./dist/index.${parents.join('.')}.${format}.${extension}`, | ||
| format, | ||
| sourcemap: true, | ||
| ...output, | ||
| }, | ||
| plugins: [ | ||
| resolve({ extensions: ['.ts'], modulesOnly: true }), | ||
| babel({ | ||
| babelrc: false, | ||
| configFile: false, | ||
| babelHelpers: 'bundled', | ||
| extensions: ['.ts'], | ||
| targets, | ||
| presets: [ | ||
| ['@babel/preset-env', { targets }], | ||
| '@babel/preset-typescript', | ||
| ], | ||
| }), | ||
| ], | ||
| }, | ||
| ]; | ||
| } | ||
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| return Object.entries(config).flatMap(([key, subConfig]) => | ||
| createBundles(subConfig, [...parents, key]) | ||
| ); | ||
| } | ||
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| export default bundles; |
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| #!/bin/bash | ||
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| # use node_modules/.bin first | ||
| PATH=./node_modules/.bin:$PATH | ||
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| # exit on any error | ||
| set -e | ||
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| # clean | ||
| rm -rf dist | ||
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| # build js | ||
| rollup -c | ||
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| # generate types | ||
| tsc |
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