56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
/* eslint-disable import/no-commonjs, filenames/match-regex */
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const BABEL_ENV = process.env.BABEL_ENV || process.env.NODE_ENV || null;
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const presets = [
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[
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'@babel/preset-env',
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{
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useBuiltIns: 'usage',
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corejs: { version: 3, proposals: true },
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modules: false,
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targets: {
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ie: '11',
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},
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},
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],
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];
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// include stage 3 proposals
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const plugins = [
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'@babel/plugin-syntax-dynamic-import',
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'@babel/plugin-syntax-import-meta',
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'@babel/plugin-proposal-class-properties',
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'@babel/plugin-proposal-json-strings',
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'@babel/plugin-proposal-private-methods',
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'@babel/plugin-proposal-optional-chaining',
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'lodash',
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];
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// add code coverage tooling if necessary
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if (BABEL_ENV === 'coverage') {
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plugins.push([
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'babel-plugin-istanbul',
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{
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exclude: ['spec/javascripts/**/*', 'app/assets/javascripts/locale/**/app.js'],
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},
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]);
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}
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// add rewire support when running tests
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if (BABEL_ENV === 'karma' || BABEL_ENV === 'coverage') {
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plugins.push('babel-plugin-rewire');
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}
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// Jest is running in node environment, so we need additional plugins
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const isJest = Boolean(process.env.JEST_WORKER_ID);
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if (isJest) {
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plugins.push('@babel/plugin-transform-modules-commonjs');
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/*
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without the following, babel-plugin-istanbul throws an error:
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https://gitlab.com/gitlab-org/gitlab-foss/issues/58390
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*/
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plugins.push('babel-plugin-dynamic-import-node');
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}
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module.exports = { presets, plugins, sourceType: 'unambiguous' };
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