Oleksii Bulenok
83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
/**
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* React Compiler tags generated nodes with loc = Symbol(GeneratedSource),
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* which breaks the structuredClone Metro performs on the AST when
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* EXPO_UNSTABLE_TREE_SHAKING is enabled. Strip them after all other
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* transforms have run.
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*/
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const stripSymbolLocs = () => ({
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post(file) {
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file.path.traverse({
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enter(path) {
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if (typeof path.node.loc === 'symbol') {
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path.node.loc = undefined
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}
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},
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})
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if (typeof file.ast.program.loc === 'symbol') {
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file.ast.program.loc = undefined
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}
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},
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})
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/**
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* @param {import("@babel/core").ConfigAPI} api
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* @returns {import("@babel/core").InputOptions}
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*/
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module.exports = function (api) {
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return {
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presets: [
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[
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'babel-preset-expo',
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{
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lazyImports: true,
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native: {
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// Disable ESM -> CJS compilation because Metro takes care of it.
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// However, we need it in Jest tests since those run without Metro.
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disableImportExportTransform: !api.env('test'),
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},
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},
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],
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],
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plugins: [
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'@lingui/babel-plugin-lingui-macro',
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['babel-plugin-react-compiler', {target: '19'}],
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[
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'module-resolver',
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{
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alias: {
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// This needs to be mirrored in tsconfig.json
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'#': './src',
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crypto: './src/platform/crypto.ts',
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},
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},
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],
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/*
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* Runs in every env (including test) on purpose: Jest then executes the
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* rewritten leaf imports, so plugin bugs surface in CI rather than in a
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* production bundle.
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*/
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[
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'./plugins/babel-plugin-lexicon-leaf-imports',
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// Absolute path: the plugin must not depend on the host process's cwd.
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{roots: [require('path').join(__dirname, 'src/lexicons')]},
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],
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// cannot use `env` field because it will put them after
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// the `react-native-worklets/plugin` plugin
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...(api.env('test')
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? [
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'@babel/plugin-transform-class-static-block',
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// Compile `import()` to require so jest (which runs without
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// `--experimental-vm-modules`) can execute lazily-loaded modules
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// like `@ipld/dag-cbor` via its moduleNameMapper.
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'@babel/plugin-transform-dynamic-import',
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]
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: []),
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...(api.env('production') ? ['transform-remove-console'] : []),
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stripSymbolLocs,
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'react-native-worklets/plugin', // NOTE: this plugin MUST be last
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],
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}
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}
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