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storybook webpack builder to use swc instead of babel #22075

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May 23, 2023
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2 changes: 2 additions & 0 deletions code/lib/builder-webpack5/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@
"@storybook/router": "7.1.0-alpha.2",
"@storybook/store": "7.1.0-alpha.2",
"@storybook/theming": "7.1.0-alpha.2",
"@swc/core": "^1.3.49",
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"@types/node": "^16.0.0",
"@types/semver": "^7.3.4",
"babel-loader": "^9.0.0",
Expand All @@ -92,6 +93,7 @@
"process": "^0.11.10",
"semver": "^7.3.7",
"style-loader": "^3.3.1",
"swc-loader": "^0.2.3",
"terser-webpack-plugin": "^5.3.1",
"ts-dedent": "^2.0.0",
"util": "^0.12.4",
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27 changes: 27 additions & 0 deletions code/lib/builder-webpack5/src/preview/babel-loader-preview.ts
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import { getProjectRoot } from '@storybook/core-common';
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import type { Options } from '@swc/core';
import type { TypescriptOptions } from '../types';

export const createBabelLoader = (options: any, typescriptOptions: TypescriptOptions) => {
Expand All @@ -14,3 +15,29 @@ export const createBabelLoader = (options: any, typescriptOptions: TypescriptOpt
exclude: /node_modules/,
};
};

export const createSWCLoader = (options: any) => {
const config: Options = {
jsc: {
parser: {
syntax: 'typescript',
tsx: true,
dynamicImport: true,
},
},
};
return {
test: /\.(mjs|cjs|tsx?|jsx?)$/,
use: [
{
loader: require.resolve('swc-loader'),
options: {
...config,
...options,
},
},
],
include: [getProjectRoot()],
exclude: /node_modules/,
};
};
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ import {
import { toRequireContextString, toImportFn } from '@storybook/core-webpack';
import { dedent } from 'ts-dedent';
import type { BuilderOptions, TypescriptOptions } from '../types';
import { createBabelLoader } from './babel-loader-preview';
import { createBabelLoader, createSWCLoader } from './babel-loader-preview';

const wrapForPnP = (input: string) => dirname(require.resolve(join(input, 'package.json')));

Expand Down Expand Up @@ -296,7 +296,9 @@ export default async (
fullySpecified: false,
},
},
createBabelLoader(babelOptions, typescriptOptions),
builderOptions.useSWC
? createSWCLoader({})
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: createBabelLoader(babelOptions, typescriptOptions),
{
test: /\.md$/,
type: 'asset/source',
Expand Down
1 change: 1 addition & 0 deletions code/lib/builder-webpack5/src/types.ts
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ export interface StorybookConfigWebpack extends Pick<StorybookConfig, 'webpack'

export type BuilderOptions = {
fsCache?: boolean;
useSWC?: boolean;
lazyCompilation?: boolean;
};

Expand Down
126 changes: 126 additions & 0 deletions code/yarn.lock
Original file line number Diff line number Diff line change
Expand Up @@ -5759,6 +5759,7 @@ __metadata:
"@storybook/router": 7.1.0-alpha.2
"@storybook/store": 7.1.0-alpha.2
"@storybook/theming": 7.1.0-alpha.2
"@swc/core": ^1.3.49
"@types/node": ^16.0.0
"@types/pretty-hrtime": ^1.0.0
"@types/semver": ^7.3.4
Expand All @@ -5781,6 +5782,7 @@ __metadata:
semver: ^7.3.7
slash: ^5.0.0
style-loader: ^3.3.1
swc-loader: ^0.2.3
terser-webpack-plugin: ^5.3.1
ts-dedent: ^2.0.0
typescript: ~4.9.3
Expand Down Expand Up @@ -7620,69 +7622,139 @@ __metadata:
languageName: node
linkType: hard

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conditions: os=linux & cpu=arm64 & libc=glibc
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resolution: "@swc/core-linux-arm64-musl@npm:1.3.44"
conditions: os=linux & cpu=arm64 & libc=musl
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conditions: os=linux & cpu=arm64 & libc=musl
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conditions: os=linux & cpu=x64 & libc=glibc
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conditions: os=linux & cpu=x64 & libc=musl
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"@swc/core-win32-arm64-msvc@npm:1.3.44":
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resolution: "@swc/core-win32-arm64-msvc@npm:1.3.44"
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conditions: os=win32 & cpu=arm64
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"@swc/core-win32-ia32-msvc@npm:1.3.44":
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resolution: "@swc/core-win32-ia32-msvc@npm:1.3.44"
conditions: os=win32 & cpu=ia32
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linkType: hard

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resolution: "@swc/core-win32-ia32-msvc@npm:1.3.49"
conditions: os=win32 & cpu=ia32
languageName: node
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"@swc/core-win32-x64-msvc@npm:1.3.44":
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resolution: "@swc/core-win32-x64-msvc@npm:1.3.44"
conditions: os=win32 & cpu=x64
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linkType: hard

"@swc/core-win32-x64-msvc@npm:1.3.49":
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resolution: "@swc/core-win32-x64-msvc@npm:1.3.49"
conditions: os=win32 & cpu=x64
languageName: node
linkType: hard

"@swc/core@npm:^1.3.23":
version: 1.3.44
resolution: "@swc/core@npm:1.3.44"
Expand Down Expand Up @@ -7722,6 +7794,50 @@ __metadata:
languageName: node
linkType: hard

"@swc/core@npm:^1.3.49":
version: 1.3.49
resolution: "@swc/core@npm:1.3.49"
dependencies:
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"@swc/core-darwin-x64": 1.3.49
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"@swc/core-linux-arm64-gnu": 1.3.49
"@swc/core-linux-arm64-musl": 1.3.49
"@swc/core-linux-x64-gnu": 1.3.49
"@swc/core-linux-x64-musl": 1.3.49
"@swc/core-win32-arm64-msvc": 1.3.49
"@swc/core-win32-ia32-msvc": 1.3.49
"@swc/core-win32-x64-msvc": 1.3.49
peerDependencies:
"@swc/helpers": ^0.5.0
dependenciesMeta:
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optional: true
"@swc/core-darwin-x64":
optional: true
"@swc/core-linux-arm-gnueabihf":
optional: true
"@swc/core-linux-arm64-gnu":
optional: true
"@swc/core-linux-arm64-musl":
optional: true
"@swc/core-linux-x64-gnu":
optional: true
"@swc/core-linux-x64-musl":
optional: true
"@swc/core-win32-arm64-msvc":
optional: true
"@swc/core-win32-ia32-msvc":
optional: true
"@swc/core-win32-x64-msvc":
optional: true
peerDependenciesMeta:
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optional: true
checksum: 3a8463047fb79a4bc5987cd24f935e19e59dfe967648c6abbc0b61f9197b76109de832fb03e5e6452459f9e2165b565f86dbc9ecd9506f58bd4befff8e0ddc47
languageName: node
linkType: hard

"@swc/helpers@npm:0.4.14":
version: 0.4.14
resolution: "@swc/helpers@npm:0.4.14"
Expand Down Expand Up @@ -28161,6 +28277,16 @@ __metadata:
languageName: node
linkType: hard

"swc-loader@npm:^0.2.3":
version: 0.2.3
resolution: "swc-loader@npm:0.2.3"
peerDependencies:
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webpack: ">=2"
checksum: cb3f9b116fbd292b881e804a4fe66cd6d543a7de2572f5a68e067e4780ee2d59a8da87a90736ba6e8e286e4368c98214ae3486b1b872080292814e5d3062f09c
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Expand Down