Find the cost of adding an npm package to your app's bundle size
teardown.kelinci.dev
fix: strip ANSI codes from rolldown errors
+16
-2
+13
src/lib/strings.ts
+13
src/lib/strings.ts
···
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export function normalizeWhitespace(input: string): string {
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return input.replace(/\s+/g, ' ').trim();
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}
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// matches ANSI escape sequences (colors, cursor movement, etc.)
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const ANSI_REGEX = /\x1b\[[0-9;]*[a-zA-Z]/g;
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/**
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* strips ANSI escape codes from a string.
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*
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* @param input string potentially containing ANSI codes
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* @returns string with ANSI codes removed
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*/
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export function stripAnsi(input: string): string {
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return input.replace(ANSI_REGEX, '');
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}
+3
-2
src/npm/worker.ts
+3
-2
src/npm/worker.ts
···
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import { memfs } from '@rolldown/browser/experimental';
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import * as v from 'valibot';
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import { stripAnsi } from '../lib/strings';
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import { bundlePackage, type BundleOptions } from './bundler';
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import { progress } from './events';
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import { fetchPackagesToVolume } from './fetch';
···
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self.postMessage({ id, type: 'init', result: initResult } satisfies WorkerResponse);
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} catch (error) {
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self.postMessage({ id, type: 'error', error: String(error) } satisfies WorkerResponse);
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self.postMessage({ id, type: 'error', error: stripAnsi(String(error)) } satisfies WorkerResponse);
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}
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}
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···
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const result = await bundlePackage(packageName!, subpath, selectedExports, options);
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self.postMessage({ id, type: 'bundle', result } satisfies WorkerResponse);
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} catch (error) {
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self.postMessage({ id, type: 'error', error: String(error) } satisfies WorkerResponse);
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self.postMessage({ id, type: 'error', error: stripAnsi(String(error)) } satisfies WorkerResponse);
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} finally {
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bundleInProgress = false;
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