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ref: Webpack plugin to export utility functions (#155)
Refactor Webpack plugin to export utility functions that will be used in the nextjs plugin.
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-109
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‎.changeset/beige-games-invite.md

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---
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"@codecov/webpack-plugin": patch
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"@codecov/bundler-plugin-core": patch
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"@codecov/nuxt-plugin": patch
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"@codecov/remix-vite-plugin": patch
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"@codecov/rollup-plugin": patch
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"@codecov/solidstart-plugin": patch
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"@codecov/sveltekit-plugin": patch
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"@codecov/vite-plugin": patch
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---
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Refactor webpack plugin to export utility functions that will be used in the upcoming NextJS plugin

‎packages/webpack-plugin/src/index.ts

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@@ -14,6 +14,13 @@ import {
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import { webpackBundleAnalysisPlugin } from "./webpack-bundle-analysis/webpackBundleAnalysisPlugin";
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import {
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findFilenameFormat,
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processAssets,
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processChunks,
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processModules,
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} from "./webpack-bundle-analysis/utils";
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const codecovWebpackPluginFactory = createWebpackPlugin<Options, true>(
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(userOptions, unpluginMetaContext) => {
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if (checkNodeVersion(unpluginMetaContext)) {
@@ -87,3 +94,39 @@ export const codecovWebpackPlugin: (options: Options) => WebpackPluginInstance =
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*/
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export const _internal_webpackBundleAnalysisPlugin =
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webpackBundleAnalysisPlugin;
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/**
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* Do not use this plugin directly. For internal use only.
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*
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* Used to find the filename format for a given compilation.
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*
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* @internal
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*/
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export const _internal_findFilenameFormat = findFilenameFormat;
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/**
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* Do not use this plugin directly. For internal use only.
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*
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* Used to process webpack assets in other plugins.
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*
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* @internal
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*/
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export const _internal_processAssets = processAssets;
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/**
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* Do not use this plugin directly. For internal use only.
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*
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* Used to process webpack chunks in other plugins.
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*
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* @internal
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*/
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export const _internal_processChunks = processChunks;
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/**
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* Do not use this plugin directly. For internal use only.
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*
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* Used to process webpack modules in other plugins.
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*
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* @internal
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*/
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export const _internal_processModules = processModules;

‎packages/webpack-plugin/src/webpack-bundle-analysis/__tests__/findFileFormat.test.ts renamed to ‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/__tests__/findFileFormat.test.ts

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‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/__tests__/processAssets.test.ts

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import { describe, it, expect, vi } from "vitest";
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import { type StatsAsset, type Compilation } from "webpack";
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import { processAssets } from "../processAssets";
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describe("processAssets", () => {
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describe("there are output options", () => {
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it("should process assets", async () => {
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const assets = [
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{
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name: "file1.js",
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size: 1000,
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},
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{
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name: "file2.js",
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size: 2000,
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},
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] as StatsAsset[];
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const compilation = {
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hooks: {},
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outputOptions: {
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filename: "filename",
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assetModuleFilename: "assetModuleFilename",
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chunkFilename: "chunkFilename",
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cssFilename: "cssFilename",
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cssChunkFilename: "cssChunkFilename",
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},
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getAsset: vi.fn().mockReturnValue({
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source: {
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source: vi.fn().mockReturnValue("source"),
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},
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}),
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// This is a fairly complex type to mock out, so we're just using the values that are needed for this test
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} as unknown as Compilation;
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const processedAssets = await processAssets({ assets, compilation });
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expect(processedAssets).toEqual([
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{
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name: "file1.js",
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normalized: "file1.js",
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size: 1000,
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gzipSize: 26,
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},
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{
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name: "file2.js",
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normalized: "file2.js",
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size: 2000,
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gzipSize: 26,
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},
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]);
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});
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});
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describe("there are no output options", () => {
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it("should process assets", async () => {
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const assets = [
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{
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name: "file1.js",
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size: 1000,
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},
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{
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name: "file2.js",
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size: 2000,
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},
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] as StatsAsset[];
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const compilation = {
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hooks: {},
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outputOptions: {},
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getAsset: vi.fn().mockReturnValue({
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source: {
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source: vi.fn().mockReturnValue("source"),
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},
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}),
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// This is a fairly complex type to mock out, so we're just using the values that are needed for this test
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} as unknown as Compilation;
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const processedAssets = await processAssets({ assets, compilation });
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expect(processedAssets).toEqual([
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{
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name: "file1.js",
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normalized: "file1.js",
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size: 1000,
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gzipSize: 26,
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},
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{
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name: "file2.js",
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normalized: "file2.js",
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size: 2000,
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gzipSize: 26,
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},
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]);
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});
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});
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describe("when there are source maps", () => {
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it("should not process the asset", async () => {
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const assets = [
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{
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name: "file1.js",
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size: 1000,
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},
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{
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name: "file1.js.map",
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size: 2000,
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},
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] as StatsAsset[];
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const compilation = {
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hooks: {},
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outputOptions: {
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filename: "filename",
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assetModuleFilename: "assetModuleFilename",
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chunkFilename: "chunkFilename",
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cssFilename: "cssFilename",
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cssChunkFilename: "cssChunkFilename",
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},
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getAsset: vi.fn().mockReturnValue({
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source: {
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source: vi.fn().mockReturnValue("source"),
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},
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}),
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// This is a fairly complex type to mock out, so we're just using the values that are needed for this test
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} as unknown as Compilation;
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const processedAssets = await processAssets({ assets, compilation });
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expect(processedAssets).toEqual([
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{
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name: "file1.js",
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normalized: "file1.js",
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size: 1000,
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gzipSize: 26,
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},
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]);
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});
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});
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});

‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/__tests__/processChunks.test.ts

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import { describe, it, expect } from "vitest";
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import { type StatsChunk } from "webpack";
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import { processChunks } from "../processChunks";
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describe("processChunks", () => {
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describe("there are ids present", () => {
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it("should process chunks", () => {
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const chunks = [
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{
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id: 1,
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entry: true,
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initial: true,
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files: ["file1.js"],
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names: ["chunk1"],
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rendered: true,
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recorded: true,
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size: 1000,
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hash: "hash1",
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},
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{
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id: 2,
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entry: true,
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initial: true,
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files: ["file2.js"],
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names: ["chunk2"],
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rendered: true,
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recorded: true,
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size: 2000,
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hash: "hash2",
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},
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] satisfies StatsChunk[];
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const chunkIdMap = new Map();
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expect(processChunks({ chunks, chunkIdMap })).toEqual([
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{
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id: "1",
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uniqueId: "0-1",
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entry: true,
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initial: true,
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files: ["file1.js"],
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names: ["chunk1"],
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},
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{
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id: "2",
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uniqueId: "1-2",
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entry: true,
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initial: true,
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files: ["file2.js"],
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names: ["chunk2"],
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},
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]);
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});
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});
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describe("there are no ids present", () => {
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it("should process chunks", () => {
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const chunks = [
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{
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entry: true,
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initial: true,
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files: ["file1.js"],
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names: ["chunk1"],
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rendered: true,
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recorded: true,
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size: 1000,
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hash: "hash1",
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},
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{
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entry: true,
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initial: true,
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files: ["file2.js"],
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names: ["chunk2"],
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rendered: true,
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recorded: true,
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size: 2000,
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hash: "hash2",
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},
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] satisfies StatsChunk[];
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const chunkIdMap = new Map();
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expect(processChunks({ chunks, chunkIdMap })).toEqual([
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{
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id: "",
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uniqueId: "0-",
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entry: true,
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initial: true,
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files: ["file1.js"],
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names: ["chunk1"],
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},
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{
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id: "",
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uniqueId: "1-",
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entry: true,
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initial: true,
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files: ["file2.js"],
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names: ["chunk2"],
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},
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]);
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});
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});
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});

‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/__tests__/processModules.test.ts

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import { describe, it, expect } from "vitest";
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import { type StatsModule } from "webpack";
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import { processModules } from "../processModules";
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describe("processModules", () => {
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describe("modules have chunks", () => {
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it("should process modules", () => {
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const modules = [
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{
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name: "module1",
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size: 1000,
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chunks: [1],
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},
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{
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name: "module2",
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size: 2000,
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chunks: [2],
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},
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] satisfies StatsModule[];
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const chunkIdMap = new Map();
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chunkIdMap.set(1, "0-1");
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chunkIdMap.set(2, "1-2");
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expect(processModules({ modules, chunkIdMap })).toEqual([
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{
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name: "module1",
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size: 1000,
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chunkUniqueIds: ["0-1"],
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},
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{
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name: "module2",
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size: 2000,
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chunkUniqueIds: ["1-2"],
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},
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]);
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});
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});
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describe("modules have no chunks", () => {
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it("should process modules", () => {
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const modules = [
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{
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name: "module1",
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size: 1000,
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},
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{
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name: "module2",
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size: 2000,
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},
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] satisfies StatsModule[];
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const chunkIdMap = new Map();
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expect(processModules({ modules, chunkIdMap })).toEqual([
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{
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name: "module1",
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size: 1000,
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chunkUniqueIds: [],
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},
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{
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name: "module2",
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size: 2000,
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chunkUniqueIds: [],
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},
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]);
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});
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});
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});

‎packages/webpack-plugin/src/webpack-bundle-analysis/findFileFormat.ts renamed to ‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/findFileFormat.ts

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const STRIP_CHARS_REGEX = /(\w|\[|]|\/)/g;
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interface FindFilenameFormatArgs {
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export interface FindFilenameFormatArgs {
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assetName: string;
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filename: string;
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assetModuleFilename: string;

‎packages/webpack-plugin/src/webpack-bundle-analysis/utils/index.ts

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export { findFilenameFormat } from "./findFileFormat";
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export { processAssets } from "./processAssets";
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export { processChunks } from "./processChunks";
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export { processModules } from "./processModules";

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