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feat(gatsby-plugin-emotion): Use correct babel preset with jsxRuntime #34085

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Dec 8, 2021
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65 changes: 61 additions & 4 deletions packages/gatsby-plugin-emotion/src/__tests__/gatsby-node.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,13 @@ describe(`gatsby-plugin-emotion`, () => {
describe(`onCreateBabelConfig`, () => {
it(`sets the correct babel preset`, () => {
const actions = { setBabelPreset: jest.fn() }
const store = {
getState: () => {
return { config: {} }
},
}

onCreateBabelConfig({ actions }, null)
onCreateBabelConfig({ actions, store }, null)

expect(actions.setBabelPreset).toHaveBeenCalledTimes(1)
expect(actions.setBabelPreset).toHaveBeenCalledWith({
Expand All @@ -20,11 +25,36 @@ describe(`gatsby-plugin-emotion`, () => {
})
})

it(`passes additional options on to the preset`, () => {
it(`sets the correct babel plugin when using automatic jsxRuntime`, () => {
const actions = { setBabelPlugin: jest.fn() }
const store = {
getState: () => {
return { config: { jsxRuntime: `automatic` } }
},
}

onCreateBabelConfig({ actions, store }, null)

expect(actions.setBabelPlugin).toHaveBeenCalledTimes(1)
expect(actions.setBabelPlugin).toHaveBeenCalledWith({
name: expect.stringContaining(path.join(`@emotion`, `babel-plugin`)),
options: {
sourceMap: true,
autoLabel: `dev-only`,
},
})
})

it(`passes additional options to the preset`, () => {
const actions = { setBabelPreset: jest.fn() }
const pluginOptions = { useBuiltIns: true }
const store = {
getState: () => {
return { config: {} }
},
}

onCreateBabelConfig({ actions }, pluginOptions)
onCreateBabelConfig({ actions, store }, pluginOptions)

expect(actions.setBabelPreset).toHaveBeenCalledTimes(1)
expect(actions.setBabelPreset).toHaveBeenCalledWith({
Expand All @@ -39,6 +69,28 @@ describe(`gatsby-plugin-emotion`, () => {
})
})

it(`passes additional options to the plugin when using automatic jsxRuntime`, () => {
const actions = { setBabelPlugin: jest.fn() }
const pluginOptions = { useBuiltIns: true }
const store = {
getState: () => {
return { config: { jsxRuntime: `automatic` } }
},
}

onCreateBabelConfig({ actions, store }, pluginOptions)

expect(actions.setBabelPlugin).toHaveBeenCalledTimes(1)
expect(actions.setBabelPlugin).toHaveBeenCalledWith({
name: expect.stringContaining(path.join(`@emotion`, `babel-plugin`)),
options: {
sourceMap: true,
autoLabel: `dev-only`,
useBuiltIns: true,
},
})
})

describe(`in production mode`, () => {
let env

Expand All @@ -53,8 +105,13 @@ describe(`gatsby-plugin-emotion`, () => {

it(`sets the correct babel preset`, () => {
const actions = { setBabelPreset: jest.fn() }
const store = {
getState: () => {
return { config: {} }
},
}

onCreateBabelConfig({ actions }, null)
onCreateBabelConfig({ actions, store }, null)

expect(actions.setBabelPreset).toHaveBeenCalledTimes(1)
expect(actions.setBabelPreset).toHaveBeenCalledWith({
Expand Down
29 changes: 20 additions & 9 deletions packages/gatsby-plugin-emotion/src/gatsby-node.js
Original file line number Diff line number Diff line change
@@ -1,12 +1,23 @@
export const onCreateBabelConfig = ({ actions }, pluginOptions) => {
actions.setBabelPreset({
name: require.resolve(`@emotion/babel-preset-css-prop`),
options: {
sourceMap: process.env.NODE_ENV !== `production`,
autoLabel: `dev-only`,
...(pluginOptions ? pluginOptions : {}),
},
})
export const onCreateBabelConfig = ({ actions, store }, pluginOptions) => {
if (store.getState().config.jsxRuntime === `automatic`) {
actions.setBabelPlugin({
name: require.resolve(`@emotion/babel-plugin`),
options: {
sourceMap: process.env.NODE_ENV !== `production`,
autoLabel: `dev-only`,
...(pluginOptions ? pluginOptions : {}),
},
})
} else {
actions.setBabelPreset({
name: require.resolve(`@emotion/babel-preset-css-prop`),
options: {
sourceMap: process.env.NODE_ENV !== `production`,
autoLabel: `dev-only`,
...(pluginOptions ? pluginOptions : {}),
},
})
}
}

exports.pluginOptionsSchema = ({ Joi }) =>
Expand Down