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refactor(web): clean up preserving sourcemap logic, don't copy lib files

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Amaan Qureshi 2025-08-30 18:48:58 -04:00 • committed by Amaan Qureshi
parent f2e71ec95c
commit 94996b26e5
1 changed files with 20 additions and 33 deletions
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53
lib/binding_web/script/build.js
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@ -1,49 +1,37 @@
import esbuild from 'esbuild';
import fs from 'fs/promises';
import path from 'path';
const format = process.env.CJS ? 'cjs' : 'esm';
const debug = process.argv.includes('--debug');
const outfile = `${debug ? 'debug/' : ''}web-tree-sitter.${format === 'esm' ? 'js' : 'cjs'}`;
// Copy source files to lib directory - we'll map the Wasm's sourcemap to these files.
async function copySourceFiles() {
const sourceDir = '../src';
const files = await fs.readdir(sourceDir);
for (const file of files) {
if (file.endsWith('.c') || file.endsWith('.h')) {
await fs.copyFile(
path.join(sourceDir, file),
path.join('lib', file)
);
}
}
}
async function processWasmSourceMap(inputPath, outputPath) {
const mapContent = await fs.readFile(inputPath, 'utf8');
const sourceMap = JSON.parse(mapContent);
// Filter out emscripten files and normalize paths
sourceMap.sources = sourceMap.sources
.filter(source => {
// Keep only tree-sitter source files
return source.includes('../../src/') || source === 'tree-sitter.c';
})
.map(source => {
if (source.includes('../../src/')) {
return source.replace('../../src/', debug ? '../lib/' : 'lib/');
} else if (source === 'tree-sitter.c') {
return debug ? '../lib/tree-sitter.c' : 'lib/tree-sitter.c';
} else {
return source;
}
});
const isTreeSitterSource = (source) =>
source.includes('../../src/') || source === 'tree-sitter.c';
const normalizePath = (source) => {
if (source.includes('../../src/')) {
return source.replace('../../src/', debug ? '../lib/' : 'lib/');
} else if (source === 'tree-sitter.c') {
return debug ? '../lib/tree-sitter.c' : 'lib/tree-sitter.c';
}
return source;
};
const filtered = sourceMap.sources
.map((source, index) => ({ source, content: sourceMap.sourcesContent?.[index] }))
.filter(item => isTreeSitterSource(item.source))
.map(item => ({ source: normalizePath(item.source), content: item.content }));
sourceMap.sources = filtered.map(item => item.source);
sourceMap.sourcesContent = filtered.map(item => item.content);
await fs.writeFile(outputPath, JSON.stringify(sourceMap, null, 2));
}
async function build() {
await esbuild.build({
entryPoints: ['src/index.ts'],
@ -62,7 +50,6 @@ async function build() {
const outputWasmName = `${debug ? 'debug/' : ''}web-tree-sitter.wasm`;
await fs.copyFile('lib/web-tree-sitter.wasm', outputWasmName);
await copySourceFiles();
await processWasmSourceMap('lib/web-tree-sitter.wasm.map', `${outputWasmName}.map`);
}