| 1 | const babelConfigForWebpackBuild = {
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| 2 | presets: [
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| 3 | [
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| 4 | '@babel/preset-env',
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| 5 | {
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| 6 | loose: true,
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| 7 | useBuiltIns: 'entry',
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| 8 | corejs: 2,
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| 9 | },
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| 10 | ],
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| 11 | '@babel/preset-react',
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| 12 | ],
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| 13 | plugins: [
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| 14 | '@babel/plugin-syntax-dynamic-import',
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| 15 | '@babel/plugin-syntax-import-meta',
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| 16 | '@babel/plugin-proposal-class-properties',
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| 17 | '@babel/plugin-proposal-json-strings',
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| 18 | '@babel/plugin-transform-react-constant-elements',
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| 19 | ],
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| 20 | };
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| 21 |
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| 22 | const babelConfigForJest = {
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| 23 | presets: [
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| 24 | [
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| 25 | '@babel/preset-env',
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| 26 | {
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| 27 | loose: true,
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| 28 | useBuiltIns: 'entry',
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| 29 | corejs: 2,
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| 30 | targets: {
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| 31 | node: 'current',
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| 32 | },
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| 33 | },
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| 34 | ],
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| 35 | '@babel/preset-react',
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| 36 | ],
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| 37 | plugins: [
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| 38 | '@babel/plugin-syntax-dynamic-import',
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| 39 | '@babel/plugin-syntax-import-meta',
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| 40 | '@babel/plugin-proposal-class-properties',
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| 41 | '@babel/plugin-proposal-json-strings',
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| 42 | '@babel/plugin-transform-react-constant-elements',
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| 43 | ],
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| 44 | };
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| 45 |
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| 46 | module.exports = api => {
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| 47 | const isTest = api.env('test');
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| 48 |
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| 49 | if (isTest) {
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| 50 | return babelConfigForJest;
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| 51 | }
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| 52 |
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| 53 | return babelConfigForWebpackBuild;
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| 54 | };
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