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test(babel-preset-gatsby-package): add test for production mode (#12177)
* test(babel-preset-gatsby-package): add test for production browser targets * refactor: use snapshots * refactor: use beforeAll/afterAll hooks to deal with env
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4 files changed

+244
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lines changed

‎packages/babel-preset-gatsby-package/__tests__/__snapshots__/index.js.snap

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// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`babel-preset-gatsby-package in browser mode specifies proper presets 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": false,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"browsers": Array [
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"last 2 versions",
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"not ie <= 11",
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"not android 4.4.3",
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],
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},
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"useBuiltIns": false,
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": true,
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},
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],
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"@babel/preset-flow",
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]
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`;
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exports[`babel-preset-gatsby-package in browser mode specifies proper presets for debugging 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": true,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"browsers": Array [
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"last 2 versions",
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"not ie <= 11",
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"not android 4.4.3",
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],
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},
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"useBuiltIns": false,
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": true,
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},
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],
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"@babel/preset-flow",
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]
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`;
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exports[`babel-preset-gatsby-package in browser mode specifies the proper plugins 1`] = `
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Array [
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"@babel/plugin-proposal-class-properties",
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"@babel/plugin-proposal-optional-chaining",
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"@babel/plugin-transform-runtime",
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"@babel/plugin-syntax-dynamic-import",
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]
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`;
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exports[`babel-preset-gatsby-package in node mode specifies proper presets 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": false,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"node": "current",
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},
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"useBuiltIns": "entry",
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": true,
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},
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],
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"@babel/preset-flow",
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]
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`;
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exports[`babel-preset-gatsby-package in node mode specifies proper presets for debugging 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": true,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"node": "current",
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},
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"useBuiltIns": "entry",
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": true,
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},
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],
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"@babel/preset-flow",
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]
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`;
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exports[`babel-preset-gatsby-package in node mode specifies the proper plugins 1`] = `
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Array [
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"@babel/plugin-proposal-class-properties",
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"@babel/plugin-proposal-optional-chaining",
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"@babel/plugin-transform-runtime",
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"@babel/plugin-syntax-dynamic-import",
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]
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`;
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exports[`babel-preset-gatsby-package in production mode specifies proper presets for browser mode 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": false,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"browsers": Array [
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"last 4 versions",
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"safari >= 7",
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"ie >= 9",
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],
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},
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"useBuiltIns": false,
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": false,
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},
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],
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"@babel/preset-flow",
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]
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`;
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exports[`babel-preset-gatsby-package in production mode specifies proper presets for node mode 1`] = `
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Array [
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Array [
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"@babel/preset-env",
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Object {
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"debug": false,
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"loose": true,
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"modules": "commonjs",
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"shippedProposals": true,
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"targets": Object {
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"node": 6,
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},
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"useBuiltIns": "entry",
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},
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],
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Array [
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"@babel/preset-react",
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Object {
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"development": false,
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},
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],
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"@babel/preset-flow",
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]
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`;

‎packages/babel-preset-gatsby-package/__tests__/index.js

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const preset = require(`../`)
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const path = require(`path`)
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it(`Specifies proper presets and plugins in Node mode`, () => {
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const { presets, plugins } = preset()
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expect(presets).toEqual([
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[
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expect.stringContaining(path.join(`@babel`, `preset-env`)),
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{
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debug: false,
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loose: true,
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modules: `commonjs`,
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shippedProposals: true,
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targets: {
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node: `current`,
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},
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useBuiltIns: `entry`,
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},
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],
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[
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expect.stringContaining(path.join(`@babel`, `preset-react`)),
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{ development: true },
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],
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expect.stringContaining(path.join(`@babel`, `preset-flow`)),
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])
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expect(plugins).toEqual([
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-class-properties`)
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),
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-optional-chaining`)
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),
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expect.stringContaining(path.join(`@babel`, `plugin-transform-runtime`)),
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expect.stringContaining(
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path.join(`@babel`, `plugin-syntax-dynamic-import`)
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),
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])
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})
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it(`Specifies proper presets and plugins in debug Node mode`, () => {
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const { presets, plugins } = preset(null, { debug: true })
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expect(presets).toEqual([
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[
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expect.stringContaining(path.join(`@babel`, `preset-env`)),
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{
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debug: true,
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loose: true,
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modules: `commonjs`,
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shippedProposals: true,
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targets: {
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node: `current`,
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},
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useBuiltIns: `entry`,
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},
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],
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[
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expect.stringContaining(path.join(`@babel`, `preset-react`)),
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{ development: true },
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],
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expect.stringContaining(path.join(`@babel`, `preset-flow`)),
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])
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expect(plugins).toEqual([
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-class-properties`)
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),
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-optional-chaining`)
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),
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expect.stringContaining(path.join(`@babel`, `plugin-transform-runtime`)),
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expect.stringContaining(
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path.join(`@babel`, `plugin-syntax-dynamic-import`)
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),
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])
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})
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it(`Specifies proper presets and plugins in browser mode`, () => {
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const { presets, plugins } = preset(null, { browser: true })
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expect(presets).toEqual([
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[
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expect.stringContaining(path.join(`@babel`, `preset-env`)),
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{
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debug: false,
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loose: true,
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modules: `commonjs`,
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shippedProposals: true,
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targets: {
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browsers: [`last 2 versions`, `not ie <= 11`, `not android 4.4.3`],
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},
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useBuiltIns: false,
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},
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],
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[
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expect.stringContaining(path.join(`@babel`, `preset-react`)),
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{ development: true },
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],
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expect.stringContaining(path.join(`@babel`, `preset-flow`)),
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])
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expect(plugins).toEqual([
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-class-properties`)
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),
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-optional-chaining`)
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),
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expect.stringContaining(path.join(`@babel`, `plugin-transform-runtime`)),
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expect.stringContaining(
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path.join(`@babel`, `plugin-syntax-dynamic-import`)
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),
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])
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})
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it(`Specifies proper presets and plugins in debug browser mode`, () => {
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const { presets, plugins } = preset(null, { browser: true, debug: true })
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expect(presets).toEqual([
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[
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expect.stringContaining(path.join(`@babel`, `preset-env`)),
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{
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debug: true,
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loose: true,
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modules: `commonjs`,
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shippedProposals: true,
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targets: {
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browsers: [`last 2 versions`, `not ie <= 11`, `not android 4.4.3`],
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},
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useBuiltIns: false,
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},
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],
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[
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expect.stringContaining(path.join(`@babel`, `preset-react`)),
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{ development: true },
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],
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expect.stringContaining(path.join(`@babel`, `preset-flow`)),
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])
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expect(plugins).toEqual([
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-class-properties`)
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),
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expect.stringContaining(
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path.join(`@babel`, `plugin-proposal-optional-chaining`)
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),
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expect.stringContaining(path.join(`@babel`, `plugin-transform-runtime`)),
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expect.stringContaining(
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path.join(`@babel`, `plugin-syntax-dynamic-import`)
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),
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])
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jest.mock(`../resolver`, () => jest.fn(moduleName => moduleName))
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describe(`babel-preset-gatsby-package`, () => {
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describe(`in node mode`, () => {
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it(`specifies the proper plugins`, () => {
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const { plugins } = preset()
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expect(plugins).toMatchSnapshot()
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})
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it(`specifies proper presets`, () => {
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const { presets } = preset()
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expect(presets).toMatchSnapshot()
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})
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it(`specifies proper presets for debugging`, () => {
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const { presets } = preset(null, { debug: true })
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expect(presets).toMatchSnapshot()
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})
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})
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describe(`in browser mode`, () => {
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it(`specifies the proper plugins`, () => {
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const { plugins } = preset(null, { browser: true })
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expect(plugins).toMatchSnapshot()
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})
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it(`specifies proper presets`, () => {
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const { presets } = preset(null, { browser: true })
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expect(presets).toMatchSnapshot()
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})
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it(`specifies proper presets for debugging`, () => {
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const { presets } = preset(null, { browser: true, debug: true })
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expect(presets).toMatchSnapshot()
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})
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})
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describe(`in production mode`, () => {
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let env
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beforeAll(() => {
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env = process.env.BABEL_ENV
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process.env.BABEL_ENV = `production`
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})
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afterAll(() => {
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process.env.BABEL_ENV = env
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})
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it(`specifies proper presets for node mode`, () => {
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const { presets } = preset(null)
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expect(presets).toMatchSnapshot()
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})
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it(`specifies proper presets for browser mode`, () => {
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const { presets } = preset(null, { browser: true })
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expect(presets).toMatchSnapshot()
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})
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})
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})

‎packages/babel-preset-gatsby-package/index.js

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const r = m => require.resolve(m)
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const r = require(`./resolver`)
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function preset(context, options = {}) {
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const { browser = false, debug = false } = options

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