36 lines
1.4 KiB
TypeScript
36 lines
1.4 KiB
TypeScript
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import { describe, it, expect } from 'vitest';
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import fs from 'node:fs';
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import path from 'node:path';
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/**
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* configInputs() stats a list of paths it builds at runtime. Turbopack cannot
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* resolve a path that arrives through a variable, so it traces the whole
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* project into `.next/standalone` — app/, docs/, e2e/, the real content files —
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* and the Docker image copies all of it (#753 did this, ~70 MB). The ignore
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* comment is the documented opt-out; the stat only reads an mtime, and the
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* files themselves are loaded (and traced) by loadYaml() and readInstallFile().
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*
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* The build prints a warning when this regresses, but nothing fails, so the
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* check lives here.
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*/
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const source = fs.readFileSync(path.join(__dirname, '..', 'config', 'index.ts'), 'utf8');
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/** The body of configInputs(), up to the next top-level declaration. */
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const body = source.match(/function configInputs\(\)[\s\S]*?\n}\n/)?.[0] ?? '';
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describe('config memo key and output file tracing', () => {
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it('finds configInputs()', () => {
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expect(body).toContain('statSync');
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});
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it('marks every filesystem call in configInputs() as ignored by Turbopack', () => {
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const calls = body.match(/fs\.\w+\([^)]*/g) ?? [];
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expect(calls.length).toBeGreaterThan(0);
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const unmarked = calls.filter(
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(call) => !/^fs\.\w+\(\s*\/\*\s*turbopackIgnore: true\s*\*\//.test(call),
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);
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expect(unmarked).toEqual([]);
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});
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});
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