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5308600c22
Move tree-sitter-swift to optionalDependencies so npm doesn't abort when its native build fails. The postinstall script now handles the case where npm removes the package after a failed build by re-installing with --ignore-scripts, then patching and rebuilding. Also fixes JSON.parse crash on binding.gyp trailing commas and uses createRequire for conditional imports in ESM context. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
98 lines
3.8 KiB
JavaScript
98 lines
3.8 KiB
JavaScript
#!/usr/bin/env node
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/**
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* WORKAROUND: tree-sitter-swift@0.6.0 binding.gyp build failure
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*
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* Background:
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* tree-sitter-swift@0.6.0's binding.gyp contains an "actions" array that
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* invokes `tree-sitter generate` to regenerate parser.c from grammar.js.
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* This is intended for grammar developers, but the published npm package
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* already ships pre-generated parser files (parser.c, scanner.c), so the
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* actions are unnecessary for consumers. Since consumers don't have
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* tree-sitter-cli installed, the actions always fail during `npm install`.
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*
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* Why we can't just upgrade:
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* tree-sitter-swift@0.7.1 fixes this (removes postinstall, ships prebuilds),
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* but it requires tree-sitter@^0.22.1. The upstream project pins tree-sitter
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* to ^0.21.0 and all other grammar packages depend on that version.
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* Upgrading tree-sitter would be a separate breaking change.
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*
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* How this workaround works:
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* tree-sitter-swift is listed as an optionalDependency, so npm won't abort
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* if its native build fails. However, npm may also remove the package
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* entirely after a failed build. This script handles both cases:
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*
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* 1. If tree-sitter-swift exists but has no native binding:
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* patch binding.gyp and rebuild
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* 2. If tree-sitter-swift was removed by npm after build failure:
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* re-install with --ignore-scripts, patch, and rebuild
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*
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* TODO: Remove this script when tree-sitter is upgraded to ^0.22.x,
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* which allows using tree-sitter-swift@0.7.1+ directly.
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*/
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const fs = require('fs');
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const path = require('path');
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const { execSync } = require('child_process');
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const nodeModules = path.join(__dirname, '..', 'node_modules');
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const swiftDir = path.join(nodeModules, 'tree-sitter-swift');
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const bindingPath = path.join(swiftDir, 'binding.gyp');
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function patchAndRebuild() {
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const content = fs.readFileSync(bindingPath, 'utf8');
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if (content.includes('"actions"')) {
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// Strip Python-style comments (#) and trailing commas before JSON parsing
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// binding.gyp uses GYP format which allows both, but JSON.parse does not
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const cleaned = content
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.replace(/#[^\n]*/g, '')
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.replace(/,\s*([}\]])/g, '$1');
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const gyp = JSON.parse(cleaned);
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if (gyp.targets && gyp.targets[0] && gyp.targets[0].actions) {
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delete gyp.targets[0].actions;
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fs.writeFileSync(bindingPath, JSON.stringify(gyp, null, 2) + '\n');
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console.log('[tree-sitter-swift] Patched binding.gyp (removed actions array)');
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}
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}
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// Check if native binding already exists
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const bindingNode = path.join(swiftDir, 'build', 'Release', 'tree_sitter_swift_binding.node');
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if (fs.existsSync(bindingNode)) {
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return; // Already built
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}
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console.log('[tree-sitter-swift] Building native binding...');
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execSync('npx node-gyp rebuild', {
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cwd: swiftDir,
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stdio: 'pipe',
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timeout: 120000,
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});
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console.log('[tree-sitter-swift] Native binding built successfully');
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}
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try {
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// Case 1: package exists (npm kept it despite failed build)
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if (fs.existsSync(bindingPath)) {
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patchAndRebuild();
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process.exit(0);
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}
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// Case 2: package was removed by npm after build failure — re-install without scripts
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if (!fs.existsSync(swiftDir)) {
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console.log('[tree-sitter-swift] Package missing, re-installing with --ignore-scripts...');
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execSync('npm install tree-sitter-swift@0.6.0 --ignore-scripts --no-save', {
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cwd: path.join(__dirname, '..'),
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stdio: 'pipe',
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timeout: 60000,
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});
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}
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if (fs.existsSync(bindingPath)) {
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patchAndRebuild();
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} else {
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console.warn('[tree-sitter-swift] Could not install package. Swift support will be disabled.');
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}
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} catch (err) {
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console.warn('[tree-sitter-swift] Could not build native binding:', err.message);
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console.warn('[tree-sitter-swift] Swift files will be skipped during analysis.');
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}
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