mirror of
https://github.com/danbulant/oxc
synced 2026-05-19 12:19:15 +00:00
Hi! I have created a proof of concept of improving using oxc in JavaScript. The method is not polished but it provides valuable insights for future direction! Feel free to close~ It is for reference only :) # Context This is a proof of concept implementation of passing binary AST to JavaScript. JavaScript can selectively read flexbuffers-based AST nodes on demand to avoid the deserialization toll. More context [here](https://dev.to/herrington_darkholme/benchmark-typescript-parsers-demystify-rust-tooling-performance-2go8). # Changes * Add a `parseSyncBuffer` napi method to return a binary AST from Rust to JavaScript. The AST is in flexbuffer format. * Add a `test_buffer.js` to test usage of flexbuffers in JavaScript. It is in cjs format because flexbuffers does not support ESM :/ # Result Some preliminary results, for reference only. ``` ~ node test_buffer.js testJSON: 4.043s testBuffer: 2.395s ``` Buffer based API is 100% faster than JSON. # Future Ideas * Flexbuffers itself is slow. A better binary protocol is desired! * Using binary reader to traverse AST is undesirable. A proxy-based API to emulate object behavior will be nice.
260 lines
7.4 KiB
JavaScript
260 lines
7.4 KiB
JavaScript
/* tslint:disable */
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/* eslint-disable */
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/* prettier-ignore */
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/* auto-generated by NAPI-RS */
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const { existsSync, readFileSync } = require('fs')
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const { join } = require('path')
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const { platform, arch } = process
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let nativeBinding = null
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let localFileExisted = false
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let loadError = null
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function isMusl() {
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// For Node 10
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if (!process.report || typeof process.report.getReport !== 'function') {
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try {
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const lddPath = require('child_process').execSync('which ldd').toString().trim();
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return readFileSync(lddPath, 'utf8').includes('musl')
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} catch (e) {
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return true
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}
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} else {
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const { glibcVersionRuntime } = process.report.getReport().header
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return !glibcVersionRuntime
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}
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}
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switch (platform) {
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case 'android':
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switch (arch) {
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case 'arm64':
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localFileExisted = existsSync(join(__dirname, 'parser.android-arm64.node'))
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.android-arm64.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-android-arm64')
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}
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} catch (e) {
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loadError = e
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}
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break
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case 'arm':
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localFileExisted = existsSync(join(__dirname, 'parser.android-arm-eabi.node'))
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.android-arm-eabi.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-android-arm-eabi')
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}
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} catch (e) {
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loadError = e
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}
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break
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default:
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throw new Error(`Unsupported architecture on Android ${arch}`)
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}
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break
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case 'win32':
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switch (arch) {
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case 'x64':
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localFileExisted = existsSync(
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join(__dirname, 'parser.win32-x64-msvc.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.win32-x64-msvc.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-win32-x64-msvc')
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}
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} catch (e) {
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loadError = e
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}
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break
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case 'ia32':
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localFileExisted = existsSync(
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join(__dirname, 'parser.win32-ia32-msvc.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.win32-ia32-msvc.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-win32-ia32-msvc')
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}
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} catch (e) {
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loadError = e
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}
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break
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case 'arm64':
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localFileExisted = existsSync(
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join(__dirname, 'parser.win32-arm64-msvc.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.win32-arm64-msvc.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-win32-arm64-msvc')
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}
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} catch (e) {
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loadError = e
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}
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break
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default:
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throw new Error(`Unsupported architecture on Windows: ${arch}`)
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}
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break
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case 'darwin':
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localFileExisted = existsSync(join(__dirname, 'parser.darwin-universal.node'))
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.darwin-universal.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-darwin-universal')
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}
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break
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} catch {}
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switch (arch) {
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case 'x64':
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localFileExisted = existsSync(join(__dirname, 'parser.darwin-x64.node'))
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.darwin-x64.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-darwin-x64')
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}
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} catch (e) {
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loadError = e
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}
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break
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case 'arm64':
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localFileExisted = existsSync(
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join(__dirname, 'parser.darwin-arm64.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.darwin-arm64.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-darwin-arm64')
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}
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} catch (e) {
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loadError = e
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}
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break
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default:
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throw new Error(`Unsupported architecture on macOS: ${arch}`)
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}
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break
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case 'freebsd':
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if (arch !== 'x64') {
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throw new Error(`Unsupported architecture on FreeBSD: ${arch}`)
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}
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localFileExisted = existsSync(join(__dirname, 'parser.freebsd-x64.node'))
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.freebsd-x64.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-freebsd-x64')
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}
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} catch (e) {
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loadError = e
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}
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break
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case 'linux':
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switch (arch) {
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case 'x64':
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if (isMusl()) {
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localFileExisted = existsSync(
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join(__dirname, 'parser.linux-x64-musl.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.linux-x64-musl.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-linux-x64-musl')
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}
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} catch (e) {
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loadError = e
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}
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} else {
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localFileExisted = existsSync(
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join(__dirname, 'parser.linux-x64-gnu.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.linux-x64-gnu.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-linux-x64-gnu')
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}
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} catch (e) {
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loadError = e
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}
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}
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break
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case 'arm64':
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if (isMusl()) {
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localFileExisted = existsSync(
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join(__dirname, 'parser.linux-arm64-musl.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.linux-arm64-musl.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-linux-arm64-musl')
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}
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} catch (e) {
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loadError = e
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}
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} else {
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localFileExisted = existsSync(
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join(__dirname, 'parser.linux-arm64-gnu.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.linux-arm64-gnu.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-linux-arm64-gnu')
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}
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} catch (e) {
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loadError = e
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}
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}
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break
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case 'arm':
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localFileExisted = existsSync(
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join(__dirname, 'parser.linux-arm-gnueabihf.node')
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)
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try {
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if (localFileExisted) {
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nativeBinding = require('./parser.linux-arm-gnueabihf.node')
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} else {
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nativeBinding = require('@oxc-parser/binding-linux-arm-gnueabihf')
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}
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} catch (e) {
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loadError = e
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}
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break
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default:
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throw new Error(`Unsupported architecture on Linux: ${arch}`)
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}
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break
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default:
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throw new Error(`Unsupported OS: ${platform}, architecture: ${arch}`)
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}
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if (!nativeBinding) {
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if (loadError) {
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throw loadError
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}
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throw new Error(`Failed to load native binding`)
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}
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const { parseWithoutReturn, parseSync, parseSyncBuffer, parseAsync } = nativeBinding
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module.exports.parseWithoutReturn = parseWithoutReturn
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module.exports.parseSync = parseSync
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module.exports.parseSyncBuffer = parseSyncBuffer
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module.exports.parseAsync = parseAsync
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