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import fs from "node:fs"

import path from "node:path"

import { fileURLToPath } from "node:url"

import * as esbuild from "esbuild"

const __filename = fileURLToPath(import.meta.url)

const __dirname = path.dirname(__filename)

const production = process.argv.includes("--production") || process.env["IS_DEBUG_BUILD"] === "false"

const watch = process.argv.includes("--watch")

const standalone = process.argv.includes("--standalone")

const e2eBuild = process.argv.includes("--e2e-build")

const destDir = standalone ? "dist-standalone" : "dist"

/**

* @type {import('esbuild').Plugin}

*/

const aliasResolverPlugin = {

name: "alias-resolver",

setup(build) {

const aliases = {

"@": path.resolve(__dirname, "src"),

"@core": path.resolve(__dirname, "src/core"),

"@integrations": path.resolve(__dirname, "src/integrations"),

"@services": path.resolve(__dirname, "src/services"),

"@shared": path.resolve(__dirname, "src/shared"),

"@utils": path.resolve(__dirname, "src/utils"),

"@packages": path.resolve(__dirname, "src/packages"),

}

// For each alias entry, create a resolver

Object.entries(aliases).forEach(([alias, aliasPath]) => {

const aliasRegex = new RegExp(`^${alias}($|/.*)`)

build.onResolve({ filter: aliasRegex }, (args) => {

const importPath = args.path.replace(alias, aliasPath)

// First, check if the path exists as is

if (fs.existsSync(importPath)) {

const stats = fs.statSync(importPath)

if (stats.isDirectory()) {

// If it's a directory, try to find index files

const extensions = [".ts", ".tsx", ".js", ".jsx"]

for (const ext of extensions) {

const indexFile = path.join(importPath, `index${ext}`)

if (fs.existsSync(indexFile)) {

return { path: indexFile }

}

}

} else {

// It's a file that exists, so return it

return { path: importPath }

}

}

// If the path doesn't exist, try appending extensions

const extensions = [".ts", ".tsx", ".js", ".jsx"]

for (const ext of extensions) {

const pathWithExtension = `${importPath}${ext}`

if (fs.existsSync(pathWithExtension)) {

return { path: pathWithExtension }

}

}

// If nothing worked, return the original path and let esbuild handle the error

return { path: importPath }

})

})

},

}

const esbuildProblemMatcherPlugin = {

name: "esbuild-problem-matcher",

setup(build) {

build.onStart(() => {

console.log("[watch] build started")

})

build.onEnd((result) => {

result.errors.forEach(({ text, location }) => {

console.error(`✘ [ERROR] ${text}`)

console.error(` ${location.file}:${location.line}:${location.column}:`)

})

console.log("[watch] build finished")

})

},

}

const copyWasmFiles = {

name: "copy-wasm-files",

setup(build) {

build.onEnd(() => {

// tree sitter

const sourceDir = path.join(__dirname, "node_modules", "web-tree-sitter")

const targetDir = path.join(__dirname, destDir)

// Copy tree-sitter.wasm

fs.copyFileSync(path.join(sourceDir, "tree-sitter.wasm"), path.join(targetDir, "tree-sitter.wasm"))

// Copy language-specific WASM files

const languageWasmDir = path.join(__dirname, "node_modules", "tree-sitter-wasms", "out")

const languages = [

"typescript",

"tsx",

"python",

"rust",

"javascript",

"go",

"cpp",

"c",

"c_sharp",

"ruby",

"java",

"php",

"swift",

"kotlin",

]

languages.forEach((lang) => {

const filename = `tree-sitter-${lang}.wasm`

fs.copyFileSync(path.join(languageWasmDir, filename), path.join(targetDir, filename))

})

})

},

}

const buildEnvVars = {

"import.meta.url": "_importMetaUrl",

"process.env.IS_STANDALONE": JSON.stringify(standalone ? "true" : "false"),

}

if (production) {

// IS_DEV is always disable in production builds.

buildEnvVars["process.env.IS_DEV"] = "false"

}

// Set the environment and telemetry env vars. The API key env vars need to be populated in the GitHub

// workflows from the secrets.

if (process.env.CLINE_ENVIRONMENT) {

buildEnvVars["process.env.CLINE_ENVIRONMENT"] = JSON.stringify(process.env.CLINE_ENVIRONMENT)

}

if (process.env.TELEMETRY_SERVICE_API_KEY) {

buildEnvVars["process.env.TELEMETRY_SERVICE_API_KEY"] = JSON.stringify(process.env.TELEMETRY_SERVICE_API_KEY)

}

if (process.env.ERROR_SERVICE_API_KEY) {

buildEnvVars["process.env.ERROR_SERVICE_API_KEY"] = JSON.stringify(process.env.ERROR_SERVICE_API_KEY)

}

// OpenTelemetry configuration (injected at build time from GitHub secrets)

// These provide production defaults that can be overridden at runtime via environment variables

if (process.env.OTEL_TELEMETRY_ENABLED) {

buildEnvVars["process.env.OTEL_TELEMETRY_ENABLED"] = JSON.stringify(process.env.OTEL_TELEMETRY_ENABLED)

}

if (process.env.OTEL_LOGS_EXPORTER) {

buildEnvVars["process.env.OTEL_LOGS_EXPORTER"] = JSON.stringify(process.env.OTEL_LOGS_EXPORTER)

}

if (process.env.OTEL_METRICS_EXPORTER) {

buildEnvVars["process.env.OTEL_METRICS_EXPORTER"] = JSON.stringify(process.env.OTEL_METRICS_EXPORTER)

}

if (process.env.OTEL_EXPORTER_OTLP_PROTOCOL) {

buildEnvVars["process.env.OTEL_EXPORTER_OTLP_PROTOCOL"] = JSON.stringify(process.env.OTEL_EXPORTER_OTLP_PROTOCOL)

}

if (process.env.OTEL_EXPORTER_OTLP_ENDPOINT) {

buildEnvVars["process.env.OTEL_EXPORTER_OTLP_ENDPOINT"] = JSON.stringify(process.env.OTEL_EXPORTER_OTLP_ENDPOINT)

}

if (process.env.OTEL_EXPORTER_OTLP_HEADERS) {

buildEnvVars["process.env.OTEL_EXPORTER_OTLP_HEADERS"] = JSON.stringify(process.env.OTEL_EXPORTER_OTLP_HEADERS)

}

if (process.env.OTEL_METRIC_EXPORT_INTERVAL) {

buildEnvVars["process.env.OTEL_METRIC_EXPORT_INTERVAL"] = JSON.stringify(process.env.OTEL_METRIC_EXPORT_INTERVAL)

}

// Base configuration shared between extension and standalone builds

const baseConfig = {

bundle: true,

minify: production,

sourcemap: !production,

logLevel: "silent",

define: buildEnvVars,

tsconfig: path.resolve(__dirname, "tsconfig.json"),

plugins: [

copyWasmFiles,

aliasResolverPlugin,

/* add to the end of plugins array */

esbuildProblemMatcherPlugin,

],

format: "cjs",

sourcesContent: false,

platform: "node",

banner: {

js: "const _importMetaUrl=require('url').pathToFileURL(__filename)",

},

}

// Extension-specific configuration

const extensionConfig = {

...baseConfig,

entryPoints: ["src/extension.ts"],

outfile: `${destDir}/extension.js`,

external: ["vscode"],

}

// Standalone-specific configuration

const standaloneConfig = {

...baseConfig,

entryPoints: ["src/standalone/cline-core.ts"],

outfile: `${destDir}/cline-core.js`,

// These modules need to load files from the module directory at runtime,

// so they cannot be bundled.

external: ["vscode", "@grpc/reflection", "grpc-health-check", "better-sqlite3"],

}

// E2E build script configuration

const e2eBuildConfig = {

...baseConfig,

entryPoints: ["src/test/e2e/utils/build.ts"],

outfile: `${destDir}/e2e-build.mjs`,

external: ["@vscode/test-electron", "execa"],

sourcemap: false,

plugins: [aliasResolverPlugin, esbuildProblemMatcherPlugin],

}

async function main() {

const config = standalone ? standaloneConfig : e2eBuild ? e2eBuildConfig : extensionConfig

const extensionCtx = await esbuild.context(config)

if (watch) {

await extensionCtx.watch()

} else {

await extensionCtx.rebuild()

await extensionCtx.dispose()

}

}

main().catch((e) => {

console.error(e)

process.exit(1)

})