import esbuild from "esbuild";
import process from "process";
import builtins from "builtin-modules";
import { copyFileSync, existsSync, mkdirSync } from "fs";
import { dirname, join } from "path";
const banner =
`/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
If you want to view the source, please visit the github repository
*/
`;
const prod = process.argv[2] === "production";
// Node.js built-ins with 'node:' prefix for packages that use modern syntax
const nodeBuiltinsWithPrefix = builtins.map(mod => `node:${mod}`);
// Copy WASM files plugin
const copyWasmPlugin = {
name: 'copy-wasm',
setup(build) {
build.onEnd(() => {
// Copy sqlite3 WASM file to output directory
const wasmSrc = 'node_modules/@dao-xyz/sqlite3-vec/sqlite-wasm/jswasm/sqlite3.wasm';
const wasmDest = 'sqlite3.wasm';
if (existsSync(wasmSrc)) {
copyFileSync(wasmSrc, wasmDest);
console.log('[copy-wasm] Copied sqlite3.wasm');
}
// Note: ONNX WASM files NOT needed - transformers.js loads from CDN via iframe
// This avoids all Electron/Node.js bundling conflicts
});
}
};
const context = await esbuild.context({
banner: {
js: banner,
},
entryPoints: ["src/main.ts"],
bundle: true,
external: [
"obsidian",
"electron",
"@codemirror/autocomplete",
"@codemirror/collab",
"@codemirror/commands",
"@codemirror/language",
"@codemirror/lint",
"@codemirror/search",
"@codemirror/state",
"@codemirror/view",
// Node.js built-ins (both with and without node: prefix)
...builtins,
...nodeBuiltinsWithPrefix,
"sharp", // Image processing - not needed for embeddings
],
loader: {
".node": "file",
".wasm": "file",
},
format: "cjs",
target: "es2020",
logLevel: "info",
sourcemap: prod ? false : "inline",
treeShaking: true,
outfile: "main.js",
platform: "node",
mainFields: ["browser", "module", "main"],
plugins: [copyWasmPlugin],
alias: {
// Force browser/WASM version of sqlite3-vec (avoids native better-sqlite3)
// Use the raw WASM module to get access to sqlite3.capi for serialize/deserialize
"@dao-xyz/sqlite3-vec/wasm": "./node_modules/@dao-xyz/sqlite3-vec/index.mjs",
"@dao-xyz/sqlite3-vec": "./node_modules/@dao-xyz/sqlite3-vec/dist/unified-browser.js",
// Note: @xenova/transformers is NOT bundled - loaded via iframe from CDN
// This avoids all Electron/Node.js environment conflicts
},
define: {
'process.env.NODE_ENV': prod ? '"production"' : '"development"',
},
});
if (prod) {
await context.rebuild();
process.exit(0);
} else {
await context.watch();
}
