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https://github.com/fancive/obsidian-parallel-reader.git
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606593e39b
- npm run coverage runs the full suite under c8 - Wire inline source maps into the esbuild test bundles - Redirect bundles into repo (.test-bundles) under coverage so c8 processes them; cleaned automatically after the run - Fix esbuild->v8-to-istanbul source path remap (tests/coverage-sourcemap.js) - .c8rc.json, .gitignore, dev-dep c8 Note: statement/function totals are degenerate under esbuild bundling; branch coverage + HTML report are the reliable signals. Change-Id: I880f5ee1e9a8e5368e27a8e274825f917d972269
42 lines
1.7 KiB
JavaScript
42 lines
1.7 KiB
JavaScript
'use strict';
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// esbuild emits inline source maps whose `sources` are relative to the bundle
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// file (deep under .test-bundles/) with a `sourceRoot`. v8-to-istanbul / the
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// source-map library resolve those inconsistently and produce wrong paths like
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// `/Users/.../github.com/src/batch.ts`, so c8 finds nothing to report.
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//
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// This rewrites the inline map in-place so every `source` is an absolute path
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// to the real repo file and `sourceRoot` is cleared — making the remap exact.
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// No-op when coverage is not active.
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const fs = require('fs');
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const path = require('path');
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const MARKER = '//# sourceMappingURL=data:application/json;base64,';
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function fixInlineSourceMap(outfile, repoRoot) {
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if (!process.env.NODE_V8_COVERAGE) return;
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const code = fs.readFileSync(outfile, 'utf8');
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const idx = code.lastIndexOf(MARKER);
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if (idx === -1) return;
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const b64 = code.slice(idx + MARKER.length).trim();
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const map = JSON.parse(Buffer.from(b64, 'base64').toString('utf8'));
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// esbuild keeps `sources` relative to the bundle file's directory regardless
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// of `sourceRoot`; resolving against sourceRoot double-counts and corrupts
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// the path. Always resolve against the bundle directory.
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const base = path.dirname(outfile);
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map.sources = map.sources.map((src) => {
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if (src.startsWith('stub:') || src.includes('obsidian-stub')) return src;
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const abs = path.resolve(base, src);
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// Strip any leftover climbing artifacts; keep the real repo path.
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const i = abs.indexOf(repoRoot);
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return i === -1 ? abs : abs.slice(i);
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});
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delete map.sourceRoot;
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const fixed = Buffer.from(JSON.stringify(map), 'utf8').toString('base64');
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fs.writeFileSync(outfile, code.slice(0, idx) + MARKER + fixed);
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}
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module.exports = { fixInlineSourceMap };
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