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feat: enable lazyCompilation.imports by default #5824

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Merged
merged 4 commits into from
Aug 13, 2025
Merged

feat: enable lazyCompilation.imports by default #5824

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bdd8830
feat: enable lazyCompilation.imports by default
GiveMe-A-Name Aug 11, 2025
c9ef5a1
fix: remove isFirstCompilation tag in hmr client
GiveMe-A-Name Aug 12, 2025
1ecaba9
fix: add permissions for commenting on pull requests in Ecosystem CI
GiveMe-A-Name Aug 12, 2025
dc14ba0
chore: remove pull request commenting permissions from Ecosystem CI
GiveMe-A-Name Aug 13, 2025
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14 changes: 14 additions & 0 deletions e2e/cases/nonce/dynamic-chunk/index.test.ts
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Original file line number Diff line number Diff line change
@@ -1,12 +1,26 @@
import { build, dev } from '@e2e/helper';
import { expect, test } from '@playwright/test';

declare global {
interface Window {
dynamicChunkNonce?: string;
}
}

test('should apply nonce to dynamic chunks in dev build', async ({ page }) => {
const rsbuild = await dev({
cwd: __dirname,
page,
});

await page.waitForFunction(
() => window.dynamicChunkNonce !== undefined,
undefined,
{
timeout: 2000,
},
);

expect(await page.evaluate('window.dynamicChunkNonce')).toEqual(
'CSP_NONCE_PLACEHOLDER',
);
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8 changes: 8 additions & 0 deletions packages/compat/webpack/tests/__snapshots__/default.test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ exports[`applyDefaultPlugins > should apply default plugins correctly 1`] = `
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
},
"infrastructureLogging": {
"level": "error",
Expand Down Expand Up @@ -482,6 +486,10 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when produ
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
},
"infrastructureLogging": {
"level": "error",
Expand Down
16 changes: 2 additions & 14 deletions packages/core/src/client/hmr.ts
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Could you explain why you changed the HMR runtime code?

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image Web socket connect too slow, so serve side will do first `lazyCompilation` completely quickly. But at this time, web socket is not connected. So we need do a hmr action when web socket connect.

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Got it, great chart! This is very clear

Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@ function formatURL(fallback?: boolean) {
}

// Remember some state related to hot module replacement.
let isFirstCompilation = true;
let lastCompilationHash: string | undefined;
let hasCompileErrors = false;

Expand All @@ -55,22 +54,15 @@ export const registerOverlay = (
function handleSuccess() {
clearOutdatedErrors();

const isHotUpdate = !isFirstCompilation;
isFirstCompilation = false;
hasCompileErrors = false;

// Attempt to apply hot updates or reload.
if (isHotUpdate) {
tryApplyUpdates();
}
tryApplyUpdates();
}

// Compilation with warnings (e.g. ESLint).
function handleWarnings({ text }: { text: string[] }) {
clearOutdatedErrors();

const isHotUpdate = !isFirstCompilation;
isFirstCompilation = false;
hasCompileErrors = false;

for (let i = 0; i < text.length; i++) {
Expand All @@ -83,17 +75,13 @@ function handleWarnings({ text }: { text: string[] }) {
console.warn(text[i]);
}

// Attempt to apply hot updates or reload.
if (isHotUpdate) {
tryApplyUpdates();
}
tryApplyUpdates();
}

// Compilation with errors (e.g. syntax error or missing modules).
function handleErrors({ text, html }: { text: string[]; html: string }) {
clearOutdatedErrors();

isFirstCompilation = false;
hasCompileErrors = true;

// Also log them to the console.
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8 changes: 8 additions & 0 deletions packages/core/src/defaultConfig.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,14 @@ export const withDefaultConfig = async (
}
}

if (merged.dev?.lazyCompilation === undefined) {
merged.dev ||= {};
merged.dev.lazyCompilation = {
imports: true,
entries: false,
};
}

if (!merged.source.tsconfigPath) {
const tsconfigPath = join(rootPath, TS_CONFIG_FILE);

Expand Down
4 changes: 4 additions & 0 deletions packages/core/tests/__snapshots__/builder.test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ exports[`should use Rspack as the default bundler > apply Rspack correctly 1`] =
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"rspackFuture": {
"bundlerInfo": {
"force": false,
Expand Down
12 changes: 12 additions & 0 deletions packages/core/tests/__snapshots__/default.test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ exports[`applyDefaultPlugins > should apply default plugins correctly 1`] = `
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"rspackFuture": {
"bundlerInfo": {
"force": false,
Expand Down Expand Up @@ -517,6 +521,10 @@ exports[`applyDefaultPlugins > should apply default plugins correctly when prod
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"rspackFuture": {
"bundlerInfo": {
"force": false,
Expand Down Expand Up @@ -1480,6 +1488,10 @@ exports[`tools.rspack > should match snapshot 1`] = `
},
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"rspackFuture": {
"bundlerInfo": {
"force": false,
Expand Down
32 changes: 32 additions & 0 deletions packages/core/tests/__snapshots__/environments.test.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,10 @@ exports[`environment config > should print environment config when inspect confi
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -448,6 +452,10 @@ exports[`environment config > should print environment config when inspect confi
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -610,6 +618,10 @@ exports[`environment config > should support modify environment config by api.mo
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -752,6 +764,10 @@ exports[`environment config > should support modify environment config by api.mo
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -895,6 +911,10 @@ exports[`environment config > should support modify environment config by api.mo
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -1041,6 +1061,10 @@ exports[`environment config > should support modify single environment config by
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -1183,6 +1207,10 @@ exports[`environment config > should support modify single environment config by
"reconnect": 100,
},
"hmr": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"liveReload": true,
"watchFiles": [],
"writeToDisk": false,
Expand Down Expand Up @@ -1324,6 +1352,10 @@ exports[`environment config > tools.rspack / bundlerChain can be configured in e
"devtool": "eval-source-map",
"experiments": {
"asyncWebAssembly": true,
"lazyCompilation": {
"entries": false,
"imports": true,
},
"rspackFuture": {
"bundlerInfo": {
"force": false,
Expand Down
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