64 lines
1.9 KiB
TypeScript
64 lines
1.9 KiB
TypeScript
import { readFileSync, writeFileSync } from 'fs';
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import { SourceMapGenerator, SourceMapConsumer, RawSourceMap } from 'source-map';
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async function fixSourceMap() {
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const distMap = JSON.parse(readFileSync('dist/tree-sitter.js.map', 'utf8')) as RawSourceMap;
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const distJs = readFileSync('dist/tree-sitter.js', 'utf8').split('\n');
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const finalJs = readFileSync('tree-sitter.js', 'utf8').split('\n');
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const lineMap = new Map<number, number>();
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let currentFinalLine = 0;
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for (let distLine = 0; distLine < distJs.length; distLine++) {
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const line = distJs[distLine].trim();
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if (!line) continue;
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for (let finalLine = currentFinalLine; finalLine < finalJs.length; finalLine++) {
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if (finalJs[finalLine].trim() === line) {
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lineMap.set(distLine + 1, finalLine + 1);
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currentFinalLine = finalLine;
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break;
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}
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}
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}
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const consumer = await new SourceMapConsumer(distMap);
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const generator = new SourceMapGenerator({
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file: 'tree-sitter.js',
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sourceRoot: '',
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});
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consumer.eachMapping(mapping => {
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const finalLine = lineMap.get(mapping.generatedLine);
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if (finalLine) {
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generator.addMapping({
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generated: {
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line: finalLine,
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column: mapping.generatedColumn,
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},
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original: {
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line: mapping.originalLine,
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column: mapping.originalColumn,
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},
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// Fix the source path to be relative to binding_web
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source: `src/${mapping.source.split('/').pop()}`,
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name: mapping.name,
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});
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}
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});
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for (const source of consumer.sources) {
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const content = consumer.sourceContentFor(source);
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if (content) {
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generator.setSourceContent(
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`src/${source.split('/').pop()}`,
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content,
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);
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}
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}
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consumer.destroy();
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writeFileSync('tree-sitter.js.map', generator.toString());
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}
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fixSourceMap().catch(console.error);
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