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Fixup Babel 7 migration (hard because: monorepo with lerna)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,26 +1,83 @@ | ||
| // @flow | ||
|
|
||
| // most of this has been inspired by | ||
| // https://github.com/facebook/create-react-app/tree/master/packages/babel-preset-react-app | ||
|
|
||
| module.exports = () => ({ | ||
| presets: [ | ||
| require("@babel/preset-flow"), | ||
| require("@babel/preset-react"), | ||
| [ | ||
| require("@babel/preset-env"), | ||
| process.env.PHENOMIC_ENV === "static" | ||
| ? { | ||
| targets: { | ||
| node: "current", | ||
| }, | ||
| } | ||
| : {}, | ||
| { | ||
| ...(process.env.PHENOMIC_ENV === "static" | ||
| ? { | ||
| targets: { | ||
| node: "current", | ||
| }, | ||
| } | ||
| : { | ||
| // Do not transform modules to CJS since bundler like webpack handle it | ||
| modules: false, | ||
| }), | ||
| // If users import all core-js they're probably not concerned with | ||
| // bundle size. We shouldn't rely on magic to try and shrink it. | ||
| useBuiltIns: false, | ||
| // Exclude transforms that make all code slower | ||
| exclude: ["transform-typeof-symbol"], | ||
| }, | ||
| ], | ||
| [ | ||
| require("@babel/preset-react"), | ||
| { | ||
| // Adds component stack to warning messages | ||
| // Adds __self attribute to JSX which React will use for some warnings | ||
| development: process.env.PHENOMIC_ENV !== "static", | ||
| // Will use the native built-in instead of trying to polyfill | ||
| // behavior for any plugins that require one. | ||
| useBuiltIns: true, | ||
| }, | ||
| ], | ||
| require("@babel/preset-flow"), | ||
| ], | ||
| plugins: [ | ||
| require("@babel/plugin-proposal-class-properties"), | ||
| require("@babel/plugin-proposal-export-default-from"), | ||
| require("@babel/plugin-proposal-export-namespace-from"), | ||
| // Enable loose mode to use assignment instead of defineProperty | ||
| // See discussion in https://github.com/facebook/create-react-app/issues/4263 | ||
| [ | ||
| require("@babel/plugin-proposal-class-properties"), | ||
| { | ||
| loose: true, | ||
| }, | ||
| ], | ||
| // The following two plugins use Object.assign directly, instead of Babel's | ||
| // extends helper. Note that this assumes `Object.assign` is available. | ||
| // { ...todo, completed: true } | ||
| [ | ||
| require("@babel/plugin-proposal-object-rest-spread"), | ||
| { | ||
| useBuiltIns: true, | ||
| }, | ||
| ], | ||
| // Polyfills the runtime needed for async/await, generators, and friends | ||
| // https://babeljs.io/docs/en/babel-plugin-transform-runtime | ||
| [ | ||
| require("@babel/plugin-transform-runtime").default, | ||
| { | ||
| corejs: false, | ||
| helpers: false, | ||
| regenerator: true, | ||
| useESModules: process.env.PHENOMIC_ENV === "static", | ||
| }, | ||
| ], | ||
| process.env.NODE_ENV === "production" && [ | ||
| // Remove PropTypes from production build | ||
| require("babel-plugin-transform-react-remove-prop-types").default, | ||
| { | ||
| removeImport: true, | ||
| }, | ||
| ], | ||
| // Adds syntax support for import() | ||
| require("@babel/plugin-syntax-dynamic-import"), | ||
| require("@babel/plugin-syntax-object-rest-spread"), | ||
| require("@babel/plugin-transform-runtime"), | ||
| // Transform dynamic import to require | ||
| process.env.PHENOMIC_ENV === "static" && | ||
| require("babel-plugin-dynamic-import-node"), | ||
| ], | ||
| }); |
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