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Copy size-limit config from react-redux 
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‎packages/toolkit/.size-limit.mts

Lines changed: 165 additions & 197 deletions
Original file line numberDiff line numberDiff line change
@@ -1,208 +1,176 @@
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const webpack = require('webpack')
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let { join } = require('path')
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const esmSuffixes = ['modern.mjs' /*, 'browser.mjs', 'legacy-esm.js'*/]
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const cjsSuffixes = [/*'development.cjs',*/ 'production.min.cjs']
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function withRtkPath(suffix, cjs = false) {
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/**
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* @param {string} name
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*/
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function alias(name) {
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return `${cjs ? 'cjs/' : ''}${name}.${suffix}`
1+
import type { Check, SizeLimitConfig } from 'size-limit'
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import type { Configuration } from 'webpack'
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/**
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* An array of all possible Node environments.
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*/
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const allNodeEnvs = ['development', 'production'] as const
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/**
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* Represents a specific environment for a Node.js application.
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*/
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type NodeEnv = (typeof allNodeEnvs)[number]
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/**
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* Set of entry points from the `package.json` file.
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*/
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const packageJsonEntryPoints = new Set<string>()
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/**
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* Recursively collects entry points from the `package.json` exports field.
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*
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* @param packageJsonExports - The exports field from `package.json`.
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* @returns - A set of package entry points.
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*/
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const collectPackageJsonExports = async (
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packageJsonExports:
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| string
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| Record<string, any>
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| null
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| typeof import('./package.json').exports,
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) => {
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if (typeof packageJsonExports === 'string') {
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packageJsonEntryPoints.add(
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packageJsonExports.startsWith('./')
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? packageJsonExports
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: `./${packageJsonExports}`,
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)
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return packageJsonEntryPoints
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}
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/**
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* @param {webpack.Configuration} config
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*/
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return (config) => {
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config.plugins.push(
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new webpack.NormalModuleReplacementPlugin(
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/@reduxjs\/toolkit\/query\/react/,
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join(__dirname, 'dist/query/react/rtk-query-react.modern.mjs'),
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),
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new webpack.NormalModuleReplacementPlugin(
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/@reduxjs\/toolkit\/query/,
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join(__dirname, 'dist/query/rtk-query.modern.mjs'),
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),
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new webpack.NormalModuleReplacementPlugin(
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/@reduxjs\/toolkit\/react/,
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join(__dirname, 'dist/react/redux-toolkit-react.modern.mjs'),
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),
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new webpack.NormalModuleReplacementPlugin(
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/@reduxjs\/toolkit/,
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join(__dirname, 'dist/redux-toolkit.modern.mjs'),
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),
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new webpack.NormalModuleReplacementPlugin(
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/rtk-query-react.modern.mjs/,
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(r) => {
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const old = r.request
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r.request = r.request.replace(
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/rtk-query-react.modern.mjs$/,
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alias('rtk-query-react'),
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)
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//console.log(old, '=>', r.request)
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},
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),
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new webpack.NormalModuleReplacementPlugin(/rtk-query.modern.mjs/, (r) => {
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const old = r.request
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r.request = r.request.replace(
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/rtk-query.modern.mjs$/,
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alias('rtk-query'),
41+
42+
if (typeof packageJsonExports === 'object' && packageJsonExports !== null) {
43+
await Promise.all(
44+
Object.entries(packageJsonExports)
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.filter(
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([condition]) =>
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condition !== './package.json' && condition !== 'types',
5148
)
52-
//console.log(old, '=>', r.request)
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}),
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new webpack.NormalModuleReplacementPlugin(
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/redux-toolkit-react.modern.mjs$/,
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(r) => {
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const old = r.request
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r.request = r.request.replace(
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/redux-toolkit-react.modern.mjs$/,
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alias('redux-toolkit-react'),
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)
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//console.log(old, '=>', r.request)
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},
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),
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new webpack.NormalModuleReplacementPlugin(
66-
/redux-toolkit.modern.mjs$/,
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(r) => {
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const old = r.request
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r.request = r.request.replace(
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/redux-toolkit.modern.mjs$/,
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alias('redux-toolkit'),
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)
73-
//console.log(old, '=>', r.request)
74-
},
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),
49+
.map(([_condition, entryPoint]) => entryPoint)
50+
.map(collectPackageJsonExports),
7651
)
77-
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if (suffix === 'production.min.cjs') {
79-
;(config.resolve ??= {}).mainFields = ['main', 'module']
80-
}
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;(config.optimization ??= {}).nodeEnv = 'production'
82-
return config
8352
}
53+
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return packageJsonEntryPoints
8455
}
8556

86-
const ignoreAll = [
87-
'@reduxjs/toolkit',
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'@reduxjs/toolkit/query',
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'immer',
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'redux',
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'reselect',
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'redux-thunk',
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]
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const entryPoints = [
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{
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name: `1. entry point: @reduxjs/toolkit`,
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path: 'dist/redux-toolkit.modern.mjs',
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},
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{
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name: `1. entry point: @reduxjs/toolkit/react`,
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path: 'dist/react/redux-toolkit-react.modern.mjs',
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},
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{
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name: `1. entry point: @reduxjs/toolkit/query`,
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path: 'dist/query/rtk-query.modern.mjs',
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},
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{
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name: `1. entry point: @reduxjs/toolkit/query/react`,
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path: 'dist/query/react/rtk-query-react.modern.mjs',
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},
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{
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name: `2. entry point: @reduxjs/toolkit (without dependencies)`,
114-
path: 'dist/redux-toolkit.modern.mjs',
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ignore: ignoreAll,
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},
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{
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name: `2. entry point: @reduxjs/toolkit/react (without dependencies)`,
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path: 'dist/react/redux-toolkit-react.modern.mjs',
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ignore: ignoreAll,
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},
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{
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name: `2. entry point: @reduxjs/toolkit/query (without dependencies)`,
124-
path: 'dist/query/rtk-query.modern.mjs',
125-
ignore: ignoreAll,
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},
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{
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name: `2. entry point: @reduxjs/toolkit/query/react (without dependencies)`,
129-
path: 'dist/query/react/rtk-query-react.modern.mjs',
130-
ignore: ignoreAll,
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},
132-
]
133-
134-
module.exports = entryPoints
135-
.flatMap((e) =>
136-
esmSuffixes.map((suffix) => ({
137-
...e,
138-
name: e.name + ` (${suffix})`,
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modifyWebpackConfig: withRtkPath(suffix),
140-
})),
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)
142-
.concat(
143-
entryPoints.flatMap((e) =>
144-
cjsSuffixes.map((suffix) => ({
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...e,
146-
name: e.name + ` (cjs, ${suffix})`,
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modifyWebpackConfig: withRtkPath(suffix, true),
148-
})),
149-
),
150-
)
151-
.concat(
152-
[
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{
154-
name: `3. createSlice`,
155-
import: { '@reduxjs/toolkit': '{ createSlice }' },
156-
},
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{
158-
name: `3. createAsyncThunk`,
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import: { '@reduxjs/toolkit': '{ createAsyncThunk }' },
160-
},
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{
162-
name: `3. buildCreateSlice and asyncThunkCreator`,
163-
import: {
164-
'@reduxjs/toolkit': '{ buildCreateSlice, asyncThunkCreator }',
165-
},
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},
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{
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name: `3. createEntityAdapter`,
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import: { '@reduxjs/toolkit': '{ createEntityAdapter }' },
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},
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{
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name: `3. configureStore`,
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import: { '@reduxjs/toolkit': '{ configureStore }' },
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},
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{
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name: `3. combineSlices`,
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import: { '@reduxjs/toolkit': '{ combineSlices }' },
178-
},
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{
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name: `3. createDynamicMiddleware`,
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import: { '@reduxjs/toolkit': '{ createDynamicMiddleware }' },
182-
},
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{
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name: `3. createDynamicMiddleware (react)`,
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import: { '@reduxjs/toolkit/react': '{ createDynamicMiddleware }' },
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},
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{
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name: `3. createListenerMiddleware`,
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import: { '@reduxjs/toolkit': '{ createListenerMiddleware }' },
190-
},
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{
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name: `3. createApi`,
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import: { '@reduxjs/toolkit/query': '{ createApi }' },
194-
},
57+
/**
58+
* Gets all package entry points from the `package.json` file.
59+
*
60+
* @returns A promise that resolves to an array of unique package entry points.
61+
*/
62+
const getAllPackageEntryPoints = async () => {
63+
const packageJson = await import('./package.json', { with: { type: 'json' } })
64+
65+
const packageExports = await collectPackageJsonExports(packageJson.exports)
66+
67+
return [...packageExports]
68+
}
69+
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/**
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* Gets all import configurations for a given entry point.
72+
* This function dynamically imports the specified entry point and
73+
* generates a size limit configuration for each named export found
74+
* within the module. It includes configurations for named imports,
75+
* wildcard imports, and the default import.
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*
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* @param entryPoint - The entry point to import.
78+
* @param index - The index of the entry point in the list.
79+
* @returns A promise that resolves to a size limit configuration object.
80+
*/
81+
const getAllImportsForEntryPoint = async (
82+
entryPoint: string,
83+
index: number,
84+
): Promise<SizeLimitConfig> => {
85+
const allNamedImports: typeof import('./src/index') = await import(entryPoint)
86+
87+
return Object.keys(allNamedImports)
88+
.map<Check>((namedImport) => ({
89+
path: entryPoint,
90+
name: `${index + 1}. import { ${namedImport} } from "${entryPoint}"`,
91+
import: `{ ${namedImport} }`,
92+
}))
93+
.concat([
19594
{
196-
name: `3. createApi (react)`,
197-
import: { '@reduxjs/toolkit/query/react': '{ createApi }' },
95+
path: entryPoint,
96+
name: `${index + 1}. import * from "${entryPoint}"`,
97+
import: '*',
19898
},
19999
{
200-
name: `3. fetchBaseQuery`,
201-
import: { '@reduxjs/toolkit/query': '{ fetchBaseQuery }' },
100+
path: entryPoint,
101+
name: `${index + 1}. import "${entryPoint}"`,
202102
},
203-
].map((e) => ({
204-
...e,
205-
name: e.name + ` (.modern.mjs)`,
206-
modifyWebpackConfig: withRtkPath('modern.mjs'),
207-
})),
103+
])
104+
}
105+
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/**
107+
* Sets the `NODE_ENV` for a given Webpack configuration.
108+
*
109+
* @param nodeEnv - The `NODE_ENV` to set (either 'development' or 'production').
110+
* @returns A function that modifies the Webpack configuration.
111+
*/
112+
const setNodeEnv = (nodeEnv: NodeEnv) => {
113+
const modifyWebpackConfig = ((config: Configuration) => {
114+
;(config.optimization ??= {}).nodeEnv = nodeEnv
115+
return config
116+
}) satisfies Check['modifyWebpackConfig']
117+
118+
return modifyWebpackConfig
119+
}
120+
121+
/**
122+
* Gets all import configurations with a specified `NODE_ENV`.
123+
*
124+
* @param nodeEnv - The `NODE_ENV` to set (either 'development' or 'production').
125+
* @returns A promise that resolves to a size limit configuration object.
126+
*/
127+
const getAllImportsWithNodeEnv = async (nodeEnv: NodeEnv) => {
128+
const allPackageEntryPoints = await getAllPackageEntryPoints()
129+
130+
const allImportsFromAllEntryPoints = (
131+
await Promise.all(allPackageEntryPoints.map(getAllImportsForEntryPoint))
132+
).flat()
133+
134+
const modifyWebpackConfig = setNodeEnv(nodeEnv)
135+
136+
const allImportsWithNodeEnv = allImportsFromAllEntryPoints.map<Check>(
137+
(importsFromEntryPoint) => ({
138+
...importsFromEntryPoint,
139+
name: `${importsFromEntryPoint.name} ('${nodeEnv}' mode)`,
140+
modifyWebpackConfig,
141+
}),
208142
)
143+
144+
return allImportsWithNodeEnv
145+
}
146+
147+
/**
148+
* Gets the size limit configuration for all `NODE_ENV`s.
149+
*
150+
* @returns A promise that resolves to the size limit configuration object.
151+
*/
152+
const getSizeLimitConfig = async (): Promise<SizeLimitConfig> => {
153+
const packageJson = await import('./package.json', { with: { type: 'json' } })
154+
155+
const sizeLimitConfig = (
156+
await Promise.all(allNodeEnvs.map(getAllImportsWithNodeEnv))
157+
).flat()
158+
159+
if ('dependencies' in packageJson) {
160+
const sizeLimitConfigWithoutDependencies = sizeLimitConfig.map<Check>(
161+
(check) => ({
162+
...check,
163+
name: `${check.name} (excluding dependencies)`,
164+
ignore: Object.keys(packageJson.dependencies),
165+
}),
166+
)
167+
return sizeLimitConfig.concat(sizeLimitConfigWithoutDependencies)
168+
}
169+
170+
return sizeLimitConfig
171+
}
172+
173+
const sizeLimitConfig: Promise<SizeLimitConfig> = (async () =>
174+
await getSizeLimitConfig())()
175+
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export default sizeLimitConfig

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