Files
codegraph/scripts/postinstall.js
T
Colby McHenry d0ee6f7fc4 Enhances code extraction and project indexing
Adds support for Dart and Liquid languages with tree-sitter parsing.
Improves accuracy of code symbol extraction for existing languages.
Indexes project files to enhance code navigation features.
Migrates build system to facilitate code contributions.
Removes git hook functionality.
Integrates Sentry for error tracking and reporting.
Enhances project initialization and configuration loading.
2026-02-09 22:18:59 -06:00

72 lines
2.4 KiB
JavaScript

#!/usr/bin/env node
/**
* Postinstall script - downloads the embedding model to ~/.codegraph/models
* This runs after `npm install` or `npx @colbymchenry/codegraph`
*/
const { existsSync, mkdirSync } = require('fs');
const { join } = require('path');
const { homedir } = require('os');
const CODEGRAPH_DIR = join(homedir(), '.codegraph');
const MODELS_DIR = join(CODEGRAPH_DIR, 'models');
const MODEL_ID = 'nomic-ai/nomic-embed-text-v1.5';
async function downloadModel() {
// Ensure directories exist
if (!existsSync(CODEGRAPH_DIR)) {
mkdirSync(CODEGRAPH_DIR, { recursive: true });
}
if (!existsSync(MODELS_DIR)) {
mkdirSync(MODELS_DIR, { recursive: true });
}
// Check if model is already cached
const modelCachePath = join(MODELS_DIR, MODEL_ID.replace('/', '/'));
if (existsSync(modelCachePath)) {
console.log('Embedding model already downloaded.');
return;
}
console.log('Downloading embedding model (~130MB)...');
console.log('This is a one-time download for semantic code search.\n');
try {
// Dynamic import for @xenova/transformers (ESM-only package)
const { pipeline, env } = await import('@xenova/transformers');
// Configure cache directory
env.cacheDir = MODELS_DIR;
// Download with progress
await pipeline('feature-extraction', MODEL_ID, {
progress_callback: (progress) => {
if (progress.status === 'progress' && progress.file && progress.progress !== undefined) {
const fileName = progress.file.split('/').pop();
const percent = Math.round(progress.progress);
process.stdout.write(`\rDownloading ${fileName}... ${percent}% `);
} else if (progress.status === 'done') {
process.stdout.write('\n');
}
},
});
console.log('\nEmbedding model ready!');
} catch (error) {
// Don't fail the install if model download fails
// User can still use codegraph without semantic search
console.log('\nNote: Could not download embedding model.');
console.log('Semantic search will download it on first use.');
if (process.env.DEBUG) {
console.error(error);
}
}
}
// @sengac/tree-sitter-dart ships with NAPI prebuilds for all platforms
// No patching needed (replaced old tree-sitter-dart v1.0.0 which used NAN bindings)
downloadModel().catch(() => {
// Silent exit - don't break npm install
process.exit(0);
});