56 lines
1.9 KiB
JavaScript
56 lines
1.9 KiB
JavaScript
import esbuild from 'esbuild';
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import fs from 'fs/promises';
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const format = process.env.CJS ? 'cjs' : 'esm';
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const debug = process.argv.includes('--debug');
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const outfile = `${debug ? 'debug/' : ''}web-tree-sitter.${format === 'esm' ? 'js' : 'cjs'}`;
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async function processWasmSourceMap(inputPath, outputPath) {
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const mapContent = await fs.readFile(inputPath, 'utf8');
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const sourceMap = JSON.parse(mapContent);
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const isTreeSitterSource = (source) =>
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source.includes('../../src/') || source === 'tree-sitter.c';
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const normalizePath = (source) => {
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if (source.includes('../../src/')) {
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return source.replace('../../src/', debug ? '../lib/' : 'lib/');
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} else if (source === 'tree-sitter.c') {
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return debug ? '../lib/tree-sitter.c' : 'lib/tree-sitter.c';
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}
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return source;
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};
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const filtered = sourceMap.sources
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.map((source, index) => ({ source, content: sourceMap.sourcesContent?.[index] }))
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.filter(item => isTreeSitterSource(item.source))
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.map(item => ({ source: normalizePath(item.source), content: item.content }));
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sourceMap.sources = filtered.map(item => item.source);
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sourceMap.sourcesContent = filtered.map(item => item.content);
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await fs.writeFile(outputPath, JSON.stringify(sourceMap, null, 2));
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}
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async function build() {
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await esbuild.build({
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entryPoints: ['src/index.ts'],
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bundle: true,
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platform: 'node',
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format,
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outfile,
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sourcemap: true,
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sourcesContent: true,
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keepNames: true,
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external: ['fs/*', 'fs/promises'],
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resolveExtensions: ['.ts', '.js', format === 'esm' ? '.mjs' : '.cjs'],
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});
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// Copy the Wasm files to the appropriate spot, as esbuild doesn't "bundle" Wasm files
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const outputWasmName = `${debug ? 'debug/' : ''}web-tree-sitter.wasm`;
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await fs.copyFile('lib/web-tree-sitter.wasm', outputWasmName);
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await processWasmSourceMap('lib/web-tree-sitter.wasm.map', `${outputWasmName}.map`);
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}
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build().catch(console.error);
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