const resolve = require('@rollup/plugin-node-resolve');
const commonjs = require('@rollup/plugin-commonjs');
const typescript = require('@rollup/plugin-typescript');
const json = require('@rollup/plugin-json');
const replace = require('@rollup/plugin-replace');
const fs = require('fs')
const path = require('path')
function copyFilesPlugin() {
return {
name: 'copy-files-plugin',
buildStart() {
const srcDir = __dirname
const nodeModulesDir = path.join(srcDir, "node_modules")
const distDir = path.join(srcDir, "src/tree-sitter")
console.log(`[copyWasms] Copying WASM files to ${distDir}`)
// Ensure tree-sitter directory exists
if (!fs.existsSync(distDir)) {
fs.mkdirSync(distDir, { recursive: true })
}
// Copy core tree-sitter.wasm to src/tree-sitter/
const coreWasmSrc = path.join(nodeModulesDir, "web-tree-sitter", "tree-sitter.wasm")
if (fs.existsSync(coreWasmSrc)) {
const coreWasmDest = path.join(distDir, "tree-sitter.wasm")
fs.copyFileSync(coreWasmSrc, coreWasmDest)
console.log(`[copyWasms] Copied core tree-sitter.wasm to ${coreWasmDest}`)
} else {
console.warn(`[copyWasms] Core tree-sitter.wasm not found at ${coreWasmSrc}`)
}
// Copy language-specific WASM files.
const languageWasmDir = path.join(nodeModulesDir, "tree-sitter-wasms", "out")
if (!fs.existsSync(languageWasmDir)) {
throw new Error(`Directory does not exist: ${languageWasmDir}`)
}
// Dynamically read all WASM files from the directory
const wasmFiles = fs.readdirSync(languageWasmDir).filter((file) => file.endsWith(".wasm"))
wasmFiles.forEach((filename) => {
const srcPath = path.join(languageWasmDir, filename)
const destPath = path.join(distDir, filename)
fs.copyFileSync(srcPath, destPath)
})
console.log(`[copyWasms] Successfully copied ${wasmFiles.length} tree-sitter language WASMs to ${distDir}`)
},
generateBundle() {
const srcDir = __dirname
const nodeModulesDir = path.join(srcDir, "node_modules")
const distDir = path.join(srcDir, "dist")
// Ensure dist directory exists
if (!fs.existsSync(distDir)) {
fs.mkdirSync(distDir, { recursive: true })
}
// Copy tree-sitter WASM files from src/tree-sitter to dist
const treeSitterSrcDir = path.join(srcDir, "src", "tree-sitter")
const treeSitterDistDir = path.join(distDir, "tree-sitter")
if (fs.existsSync(treeSitterSrcDir)) {
// Ensure tree-sitter directory exists in dist
if (!fs.existsSync(treeSitterDistDir)) {
fs.mkdirSync(treeSitterDistDir, { recursive: true })
}
// Copy all WASM files
const wasmFiles = fs.readdirSync(treeSitterSrcDir).filter(file => file.endsWith('.wasm'))
wasmFiles.forEach(filename => {
const srcPath = path.join(treeSitterSrcDir, filename)
const destPath = path.join(treeSitterDistDir, filename)
fs.copyFileSync(srcPath, destPath)
})
console.log(`[copyWasms] Copied ${wasmFiles.length} tree-sitter WASM files to ${treeSitterDistDir}`)
} else {
console.warn(`[copyWasms] tree-sitter source directory not found at ${treeSitterSrcDir}`)
}
// Copy core tree-sitter.wasm file from node_modules to dist/tree-sitter/
const coreWasmSrc = path.join(nodeModulesDir, "web-tree-sitter", "tree-sitter.wasm")
if (fs.existsSync(coreWasmSrc)) {
const coreWasmDest = path.join(treeSitterDistDir, "tree-sitter.wasm")
fs.copyFileSync(coreWasmSrc, coreWasmDest)
console.log(`[copyWasms] Copied core tree-sitter.wasm to ${coreWasmDest}`)
} else {
console.warn(`[copyWasms] Core tree-sitter.wasm not found at ${coreWasmSrc}`)
}
// Copy static files to dist
const staticSrcDir = path.join(srcDir, "static")
const staticDistDir = path.join(distDir, "static")
if (fs.existsSync(staticSrcDir)) {
if (!fs.existsSync(staticDistDir)) {
fs.mkdirSync(staticDistDir, { recursive: true })
}
// Copy all files from static directory
const staticFiles = fs.readdirSync(staticSrcDir)
staticFiles.forEach(filename => {
const srcPath = path.join(staticSrcDir, filename)
const destPath = path.join(staticDistDir, filename)
if (fs.statSync(srcPath).isFile()) {
fs.copyFileSync(srcPath, destPath)
}
})
console.log(`[copyStatic] Copied ${staticFiles.filter(f => fs.statSync(path.join(staticSrcDir, f)).isFile()).length} static files to ${staticDistDir}`)
}
}
};
}
module.exports = [
// Main library build
{
input: 'src/index.ts',
output: {
file: 'dist/index.js',
format: 'esm',
sourcemap: true,
inlineDynamicImports: true,
intro: `
import { fileURLToPath as __fileURLToPath__ } from 'url';
import { dirname as __dirname__ } from 'path';
const __getScriptDir__ = () => __dirname__(__fileURLToPath__(import.meta.url));
`.trim(),
},
external: (id) => {
// Externalize vscode and its submodules
if (id === 'vscode' || id.startsWith('vscode/')) {
return true;
}
// Externalize Node.js built-ins that shouldn't be bundled
if (['fs', 'path', 'child_process', 'readline', 'crypto', 'os', 'stream', 'util'].includes(id)) {
return true;
}
// Bundle everything else (including web-tree-sitter, fzf, tslib, etc.)
return false;
},
plugins: [
copyFilesPlugin(),
json(),
replace({
preventAssignment: true,
delimiters: ['', ''],
values: {
'scriptDirectory = __dirname + "/"': 'scriptDirectory = __getScriptDir__() + "/tree-sitter/"',
},
}),
resolve({
preferBuiltins: true,
}),
commonjs(),
typescript({
tsconfig: './tsconfig.json',
rootDir: './src',
noEmitOnError: false,
}),
],
},
// CLI build
{
input: 'src/cli.ts',
output: {
file: 'dist/cli.js',
format: 'esm',
sourcemap: true,
inlineDynamicImports: true,
banner: '#!/usr/bin/env node',
intro: `
import { fileURLToPath as __fileURLToPath__ } from 'url';
import { dirname as __dirname__ } from 'path';
const __getScriptDir__ = () => __dirname__(__fileURLToPath__(import.meta.url));
`.trim(),
},
external: (id) => {
// Externalize vscode and its submodules
if (id === 'vscode' || id.startsWith('vscode/')) {
return true;
}
// Externalize Node.js built-ins that shouldn't be bundled
if (['fs', 'path', 'child_process', 'readline', 'crypto', 'os', 'stream', 'util'].includes(id)) {
return true;
}
// Bundle everything else (including web-tree-sitter, fzf, tslib, etc.)
return false;
},
plugins: [
copyFilesPlugin(),
json(),
replace({
preventAssignment: true,
delimiters: ['', ''],
values: {
'scriptDirectory = __dirname + "/"': 'scriptDirectory = __getScriptDir__() + "/tree-sitter/"',
},
}),
resolve({
preferBuiltins: true,
}),
commonjs(),
typescript({
tsconfig: './tsconfig.json',
rootDir: './src',
noEmitOnError: false,
}),
],
},
];
