napi-rs/cli/src/build.ts

871 lines
25 KiB
TypeScript

import { execSync } from 'child_process'
import { createHash } from 'crypto'
import { existsSync, mkdirSync } from 'fs'
import { tmpdir } from 'os'
import { join, parse, sep } from 'path'
import { Command, Option } from 'clipanion'
import * as chalk from 'colorette'
import envPaths from 'env-paths'
import { groupBy } from 'lodash-es'
import { ARM_FEATURES_H } from './arm-features.h'
import { getNapiConfig } from './consts'
import { debugFactory } from './debug'
import { createJsBinding } from './js-binding-template'
import { getHostTargetTriple, parseTriple } from './parse-triple'
import {
copyFileAsync,
mkdirAsync,
readFileAsync,
unlinkAsync,
writeFileAsync,
} from './utils'
const debug = debugFactory('build')
const ZIG_PLATFORM_TARGET_MAP = {
'x86_64-unknown-linux-musl': 'x86_64-linux-musl',
'x86_64-unknown-linux-gnu': 'x86_64-linux-gnu',
// Doesn't support Windows MSVC for now
// 'x86_64-pc-windows-gnu': 'x86_64-windows-gnu',
// https://github.com/ziglang/zig/issues/1759
// 'x86_64-unknown-freebsd': 'x86_64-freebsd',
'x86_64-apple-darwin': 'x86_64-macos',
'aarch64-apple-darwin': 'aarch64-macos',
'aarch64-unknown-linux-gnu': 'aarch64-linux-gnu',
'aarch64-unknown-linux-musl': 'aarch64-linux-musl',
'armv7-unknown-linux-gnueabihf': 'arm-linux-gnueabihf',
}
const DEFAULT_GLIBC_TARGET = process.env.GLIBC_ABI_TARGET ?? '2.17'
const SHEBANG_NODE = process.platform === 'win32' ? '' : '#!/usr/bin/env node\n'
const SHEBANG_SH = process.platform === 'win32' ? '' : '#!/usr/bin/env sh\n'
function processZigLinkerArgs(platform: string, args: string[]) {
if (platform.includes('apple')) {
const newArgs = args.filter(
(arg, index) =>
!arg.startsWith('-Wl,-exported_symbols_list') &&
arg !== '-Wl,-dylib' &&
arg !== '-liconv' &&
arg !== '-Wl,-dead_strip' &&
!(arg === '-framework' && args[index + 1] === 'CoreFoundation') &&
!(arg === 'CoreFoundation' && args[index - 1] === '-framework'),
)
newArgs.push('-Wl,"-undefined=dynamic_lookup"', '-dead_strip', '-lunwind')
return newArgs
}
if (platform.includes('linux')) {
return args
.map((arg) => {
if (arg === '-lgcc_s') {
return '-lunwind'
}
return arg
})
.filter((arg) => arg !== '-march=armv7-a')
}
return args
}
export class BuildCommand extends Command {
static usage = Command.Usage({
description: 'Build and copy native module into specified dir',
})
static paths = [['build']]
appendPlatformToFilename = Option.Boolean(`--platform`, false, {
description: `Add platform triple to the .node file. ${chalk.green(
'[name].linux-x64-gnu.node',
)} for example`,
})
isRelease = Option.Boolean(`--release`, false, {
description: `Bypass to ${chalk.green('cargo build --release')}`,
})
configFileName?: string = Option.String('--config,-c', {
description: `napi config path, only JSON format accepted. Default to ${chalk.underline(
chalk.green('package.json'),
)}`,
})
cargoName?: string = Option.String('--cargo-name', {
description: `Override the ${chalk.green(
'name',
)} field in ${chalk.underline(chalk.yellowBright('Cargo.toml'))}`,
})
targetTripleDir = Option.String(
'--target',
process.env.RUST_TARGET ?? process.env.CARGO_BUILD_TARGET ?? '',
{
description: `Bypass to ${chalk.green('cargo build --target')}`,
},
)
features?: string = Option.String('--features', {
description: `Bypass to ${chalk.green('cargo build --features')}`,
})
bin?: string = Option.String('--bin', {
description: `Bypass to ${chalk.green('cargo build --bin')}`,
})
dts?: string = Option.String('--dts', 'index.d.ts', {
description: `The filename and path of ${chalk.green(
'.d.ts',
)} file, relative to cwd`,
})
noDtsHeader = Option.Boolean('--no-dts-header', false, {
description: `Don't generate ${chalk.green('.d.ts')} header`,
})
project = Option.String('-p', {
description: `Bypass to ${chalk.green('cargo -p')}`,
})
cargoFlags = Option.String('--cargo-flags', '', {
description: `All the others flag passed to ${chalk.yellow('cargo build')}`,
})
jsBinding = Option.String('--js', 'index.js', {
description: `Path to the JS binding file, pass ${chalk.underline(
chalk.yellow('false'),
)} to disable it. Only affect if ${chalk.green('--target')} is specified.`,
})
jsPackageName = Option.String('--js-package-name', {
description: `Package name in generated js binding file, Only affect if ${chalk.green(
'--target',
)} specified and ${chalk.green('--js')} is not false.`,
required: false,
})
cargoCwd?: string = Option.String('--cargo-cwd', {
description: `The cwd of ${chalk.underline(
chalk.yellow('Cargo.toml'),
)} file`,
})
pipe?: string = Option.String('--pipe', {
description: `Pipe [${chalk.green(
'.js/.ts',
)}] files to this command, eg ${chalk.green('prettier -w')}`,
})
// https://github.com/napi-rs/napi-rs/issues/297
disableWindowsX32Optimize?: boolean = Option.Boolean(
'--disable-windows-x32-optimize',
false,
{
description: `Disable windows x32 ${chalk.green(
'lto',
)} and increase ${chalk.green(
'codegen-units',
)}. Disabled by default. See ${chalk.underline(
chalk.blue('https://github.com/napi-rs/napi-rs/issues/297'),
)}`,
},
)
destDir = Option.String({
required: false,
})
useZig = Option.Boolean(`--zig`, false, {
description: `Use ${chalk.green('zig')} as linker ${chalk.yellowBright(
'(Experimental)',
)}`,
})
zigABIVersion = Option.String(`--zig-abi-suffix`, {
description: `The suffix of the ${chalk.green(
'zig --target',
)} ABI version. Eg. ${chalk.cyan(
'--target x86_64-unknown-linux-gnu',
)} ${chalk.green('--zig-abi-suffix=2.17')}`,
})
zigLinkOnly = Option.Boolean(`--zig-link-only`, false, {
description: `Only link the library with ${chalk.green('zig')}`,
})
isStrip = Option.Boolean(`--strip`, false, {
description: `${chalk.green('Strip')} the library for minimum file size`,
})
async execute() {
const cwd = this.cargoCwd
? join(process.cwd(), this.cargoCwd)
: process.cwd()
const cargoTomlPath = join(cwd, 'Cargo.toml')
let cargoMetadata: any
try {
debug('Start parse toml')
cargoMetadata = JSON.parse(
execSync(
`cargo metadata --format-version 1 --manifest-path "${cargoTomlPath}"`,
{
stdio: 'pipe',
maxBuffer: 1024 * 1024 * 10,
},
).toString('utf8'),
)
} catch (e) {
throw new TypeError('Could not parse the Cargo.toml: ' + e)
}
const packages = cargoMetadata.packages
let cargoPackageName: string
if (this.cargoName) {
cargoPackageName = this.cargoName
} else {
const root = cargoMetadata.resolve.root
if (root) {
const rootPackage = packages.find((p: { id: string }) => p.id === root)
cargoPackageName = rootPackage.name
} else {
throw new TypeError('No package.name field in Cargo.toml')
}
}
const cargoPackage = packages.find(
(p: { name: string }) => p.name === cargoPackageName,
)
if (
!this.bin &&
cargoPackage?.targets?.length === 1 &&
cargoPackage?.targets[0].kind.length === 1 &&
cargoPackage?.targets[0].kind[0] === 'bin'
) {
this.bin = cargoPackageName
}
const releaseFlag = this.isRelease ? `--release` : ''
const targetFlag = this.targetTripleDir
? `--target ${this.targetTripleDir}`
: ''
const featuresFlag = this.features ? `--features ${this.features}` : ''
const binFlag = this.bin ? `--bin ${this.bin}` : ''
const triple = this.targetTripleDir
? parseTriple(this.targetTripleDir)
: getHostTargetTriple()
debug(`Current triple is: ${chalk.green(triple.raw)}`)
const pFlag = this.project ? `-p ${this.project}` : ''
const externalFlags = [
releaseFlag,
targetFlag,
featuresFlag,
binFlag,
pFlag,
this.cargoFlags,
]
.filter((flag) => Boolean(flag))
.join(' ')
const additionalEnv = {}
const isCrossForWin =
triple.platform === 'win32' && process.platform !== 'win32'
const isCrossForLinux =
triple.platform === 'linux' &&
(process.platform !== 'linux' ||
triple.arch !== process.arch ||
(function () {
const glibcVersionRuntime =
// @ts-expect-error
process.report?.getReport()?.header?.glibcVersionRuntime
const libc = glibcVersionRuntime ? 'gnu' : 'musl'
return triple.abi !== libc
})())
const isCrossForMacOS =
triple.platform === 'darwin' && process.platform !== 'darwin'
const cargo = process.env.CARGO ?? (isCrossForWin ? 'cargo-xwin' : 'cargo')
if (isCrossForWin && triple.arch === 'ia32') {
additionalEnv['XWIN_ARCH'] = 'x86'
}
const cargoCommand = `${cargo} build ${externalFlags}`
debug(`Run ${chalk.green(cargoCommand)}`)
const rustflags = process.env.RUSTFLAGS
? process.env.RUSTFLAGS.split(' ')
: []
if (triple.raw.includes('musl') && !this.bin) {
if (!rustflags.includes('target-feature=-crt-static')) {
rustflags.push('-C target-feature=-crt-static')
}
}
if (this.isStrip && !rustflags.includes('-C link-arg=-s')) {
rustflags.push('-C link-arg=-s')
}
if (rustflags.length > 0) {
additionalEnv['RUSTFLAGS'] = rustflags.join(' ')
}
let useZig = false
if (this.useZig || isCrossForLinux || isCrossForMacOS) {
try {
execSync('zig version')
useZig = true
} catch (e) {
if (this.useZig) {
throw new TypeError(
`Could not find ${chalk.green('zig')} on the PATH`,
)
} else {
debug(
`Could not find ${chalk.green(
'zig',
)} on the PATH, fallback to normal linker`,
)
}
}
}
if (useZig) {
const zigABIVersion =
this.zigABIVersion ??
(isCrossForLinux && triple.abi === 'gnu' ? DEFAULT_GLIBC_TARGET : null)
const mappedZigTarget = ZIG_PLATFORM_TARGET_MAP[triple.raw]
const zigTarget = `${mappedZigTarget}${
zigABIVersion ? `.${zigABIVersion}` : ''
}`
debug(`Using Zig with target ${chalk.green(zigTarget)}`)
if (!mappedZigTarget) {
throw new Error(`${triple.raw} can not be cross compiled by zig`)
}
const paths = envPaths('napi-rs')
const shellFileExt = process.platform === 'win32' ? 'cmd' : 'sh'
const linkerWrapperShell = join(
paths.cache,
`zig-linker-${triple.raw}.${shellFileExt}`,
)
const CCWrapperShell = join(
paths.cache,
`zig-cc-${triple.raw}.${shellFileExt}`,
)
const CXXWrapperShell = join(
paths.cache,
`zig-cxx-${triple.raw}.${shellFileExt}`,
)
const linkerWrapper = join(paths.cache, `zig-cc-${triple.raw}.js`)
mkdirSync(paths.cache, { recursive: true })
const forwardArgs = process.platform === 'win32' ? '"%*"' : '$@'
if (triple.arch === 'arm') {
await patchArmFeaturesHForArmTargets()
}
await writeFileAsync(
linkerWrapperShell,
process.platform === 'win32'
? `@IF EXIST "%~dp0\\node.exe" (
"%~dp0\\node.exe" "${linkerWrapper}" %*
) ELSE (
@SETLOCAL
@SET PATHEXT=%PATHEXT:;.JS;=;%
node "${linkerWrapper}" %*
)`
: `${SHEBANG_SH}node ${linkerWrapper} ${forwardArgs}`,
{
mode: '777',
},
)
await writeFileAsync(
CCWrapperShell,
`${SHEBANG_SH}node ${linkerWrapper} cc ${forwardArgs}`,
{
mode: '777',
},
)
await writeFileAsync(
CXXWrapperShell,
`${SHEBANG_SH}node ${linkerWrapper} c++ ${forwardArgs}`,
{
mode: '777',
},
)
await writeFileAsync(
linkerWrapper,
`${SHEBANG_NODE}const{writeFileSync} = require('fs')\n${processZigLinkerArgs.toString()}\nconst {status} = require('child_process').spawnSync('zig', [process.argv[2] === "c++" || process.argv[2] === "cc" ? "" : "cc", ...processZigLinkerArgs('${
triple.raw
}', process.argv.slice(2)), '-target', '${zigTarget}'], { stdio: 'inherit', shell: true })\nwriteFileSync('${linkerWrapper.replaceAll(
'\\',
'/',
)}.args.log', processZigLinkerArgs('${
triple.raw
}', process.argv.slice(2)).join(' '))\n\nprocess.exit(status || 0)\n`,
{
mode: '777',
},
)
const envTarget = triple.raw.replaceAll('-', '_').toUpperCase()
if (!this.zigLinkOnly) {
Object.assign(additionalEnv, {
CC: CCWrapperShell,
CXX: CXXWrapperShell,
TARGET_CC: CCWrapperShell,
TARGET_CXX: CXXWrapperShell,
})
}
additionalEnv[`CARGO_TARGET_${envTarget}_LINKER`] = linkerWrapperShell
}
debug(`Platform: ${JSON.stringify(triple, null, 2)}`)
if (triple.platform === 'android') {
const { ANDROID_NDK_LATEST_HOME } = process.env
if (!ANDROID_NDK_LATEST_HOME) {
console.info(
`${chalk.yellow(
'ANDROID_NDK_LATEST_HOME',
)} environment variable is missing`,
)
}
const targetArch = triple.arch === 'arm' ? 'armv7a' : 'aarch64'
const targetPlatform =
triple.arch === 'arm' ? 'androideabi24' : 'android24'
Object.assign(additionalEnv, {
CARGO_TARGET_AARCH64_LINUX_ANDROID_LINKER: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/${targetArch}-linux-android24-clang`,
CARGO_TARGET_ARMV7_LINUX_ANDROIDEABI_LINKER: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/${targetArch}-linux-androideabi24-clang`,
CC: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/${targetArch}-linux-${targetPlatform}-clang`,
CXX: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/${targetArch}-linux-${targetPlatform}-clang++`,
AR: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar`,
ANDROID_NDK: ANDROID_NDK_LATEST_HOME,
PATH: `${ANDROID_NDK_LATEST_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin:${process.env.PATH}`,
})
}
const { binaryName, packageName } = getNapiConfig(this.configFileName)
let cargoArtifactName = this.cargoName
if (!cargoArtifactName) {
if (this.bin) {
cargoArtifactName = cargoPackageName
} else {
cargoArtifactName = cargoPackageName.replace(/-/g, '_')
}
if (
!this.bin &&
!cargoPackage.targets.some((target: { crate_types: string[] }) =>
target.crate_types.includes('cdylib'),
)
) {
throw new TypeError(
`Missing ${chalk.green('crate-type = ["cdylib"]')} in ${chalk.green(
'[lib]',
)}`,
)
}
}
if (this.bin) {
debug(`Binary name: ${chalk.greenBright(cargoArtifactName)}`)
} else {
debug(`Dylib name: ${chalk.greenBright(cargoArtifactName)}`)
}
const intermediateTypeFile = join(
tmpdir(),
`${cargoArtifactName}-${createHash('sha256')
.update(process.cwd())
.digest('hex')
.substring(0, 8)}.napi_type_def.tmp`,
)
debug(`intermediate type def file: ${intermediateTypeFile}`)
try {
execSync(cargoCommand, {
env: {
...process.env,
...additionalEnv,
TYPE_DEF_TMP_PATH: intermediateTypeFile,
},
stdio: 'inherit',
cwd,
})
} catch (e) {
if (cargo === 'cargo-xwin') {
console.warn(
`You are cross compiling ${chalk.underline(
triple.raw,
)} target on ${chalk.green(process.platform)} host`,
)
} else if (isCrossForLinux || isCrossForMacOS) {
console.warn(
`You are cross compiling ${chalk.underline(
triple.raw,
)} on ${chalk.green(process.platform)} host`,
)
}
throw e
}
const platform = triple.platform
let libExt = ''
debug(`Platform: ${chalk.greenBright(platform)}`)
// Platform based massaging for build commands
if (!this.bin) {
switch (platform) {
case 'darwin':
libExt = '.dylib'
cargoArtifactName = `lib${cargoArtifactName}`
break
case 'win32':
libExt = '.dll'
break
case 'linux':
case 'freebsd':
case 'openbsd':
case 'android':
case 'sunos':
cargoArtifactName = `lib${cargoArtifactName}`
libExt = '.so'
break
default:
throw new TypeError(
'Operating system not currently supported or recognized by the build script',
)
}
}
const targetRootDir =
// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
process.env.CARGO_TARGET_DIR ||
// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
process.env.CARGO_BUILD_TARGET_DIR ||
(await findUp(cwd))
if (!targetRootDir) {
throw new TypeError('No target dir found')
}
const targetDir = join(
this.targetTripleDir,
this.isRelease ? 'release' : 'debug',
)
const platformName = this.appendPlatformToFilename
? `.${triple.platformArchABI}`
: ''
debug(`Platform name: ${platformName || chalk.green('[Empty]')}`)
const distFileName = this.bin
? cargoArtifactName!
: `${binaryName}${platformName}.node`
const distModulePath = join(this.destDir ?? '.', distFileName)
const parsedDist = parse(distModulePath)
if (parsedDist.dir && !existsSync(parsedDist.dir)) {
await mkdirAsync(parsedDist.dir, { recursive: true }).catch((e) => {
console.warn(
chalk.bgYellowBright(
`Create dir [${parsedDist.dir}] failed, reason: ${e.message}`,
),
)
})
}
const sourcePath = join(
targetRootDir,
targetDir,
`${cargoArtifactName}${libExt}`,
)
if (existsSync(distModulePath)) {
debug(`remove old binary [${chalk.yellowBright(distModulePath)}]`)
await unlinkAsync(distModulePath)
}
debug(`Write binary content to [${chalk.yellowBright(distModulePath)}]`)
await copyFileAsync(sourcePath, distModulePath)
if (!this.bin) {
const dtsFilePath = join(
process.cwd(),
this.destDir ?? '.',
this.dts ?? 'index.d.ts',
)
if (this.pipe) {
const pipeCommand = `${this.pipe} ${dtsFilePath}`
console.info(`Run ${chalk.green(pipeCommand)}`)
try {
execSync(pipeCommand, { stdio: 'inherit', env: process.env })
} catch (e) {
console.warn(
chalk.bgYellowBright('Pipe the dts file to command failed'),
e,
)
}
}
const jsBindingFilePath =
this.jsBinding &&
this.jsBinding !== 'false' &&
this.appendPlatformToFilename
? join(process.cwd(), this.destDir ?? '.', this.jsBinding)
: null
const idents = await processIntermediateTypeFile(
intermediateTypeFile,
dtsFilePath,
this.noDtsHeader,
)
await writeJsBinding(
binaryName,
this.jsPackageName ?? packageName,
jsBindingFilePath,
idents,
)
if (this.pipe && jsBindingFilePath) {
const pipeCommand = `${this.pipe} ${jsBindingFilePath}`
console.info(`Run ${chalk.green(pipeCommand)}`)
try {
execSync(pipeCommand, { stdio: 'inherit', env: process.env })
} catch (e) {
console.warn(
chalk.bgYellowBright('Pipe the js binding file to command failed'),
e,
)
}
}
}
}
}
async function findUp(dir = process.cwd()): Promise<string | null> {
const dist = join(dir, 'target')
if (existsSync(dist)) {
return dist
}
const dirs = dir.split(sep)
if (dirs.length < 2) {
return null
}
dirs.pop()
return findUp(dirs.join(sep))
}
interface TypeDef {
kind: 'fn' | 'struct' | 'impl' | 'enum' | 'interface'
name: string
original_name?: string
def: string
js_mod?: string
js_doc: string
}
async function processIntermediateTypeFile(
source: string,
target: string,
noDtsHeader: boolean,
): Promise<string[]> {
const idents: string[] = []
if (!existsSync(source)) {
debug(`do not find tmp type file. skip type generation`)
return idents
}
const tmpFile = await readFileAsync(source, 'utf8')
const lines = tmpFile
.split('\n')
.map((line) => line.trim())
.filter(Boolean)
if (!lines.length) {
return idents
}
const allDefs = lines.map((line) => JSON.parse(line) as TypeDef)
function convertDefs(defs: TypeDef[], nested = false): string {
const classes = new Map<
string,
{ def: string; js_doc: string; original_name?: string }
>()
const impls = new Map<string, string>()
let dts = ''
const nest = nested ? 2 : 0
defs.forEach((def) => {
switch (def.kind) {
case 'struct':
if (!nested) {
idents.push(def.name)
}
classes.set(def.name, {
original_name: def.original_name,
def: def.def,
js_doc: def.js_doc,
})
break
case 'impl':
const existed = impls.get(def.name)
impls.set(
def.name,
`${existed ? existed + '\n' : ''}${def.js_doc}${def.def}`,
)
break
case 'interface':
dts +=
indentLines(`${def.js_doc}export interface ${def.name} {`, nest) +
'\n'
dts += indentLines(def.def, nest + 2) + '\n'
dts += indentLines(`}`, nest) + '\n'
break
case 'enum':
if (!nested) {
idents.push(def.name)
}
dts +=
indentLines(`${def.js_doc}export const enum ${def.name} {`, nest) +
'\n'
dts += indentLines(def.def, nest + 2) + '\n'
dts += indentLines(`}`, nest) + '\n'
break
default:
if (!nested) {
idents.push(def.name)
}
dts += indentLines(`${def.js_doc}${def.def}`, nest) + '\n'
}
})
for (const [name, { js_doc, def, original_name }] of classes.entries()) {
const implDef = impls.get(name)
if (original_name && name !== original_name) {
dts += indentLines(`export type ${original_name} = ${name}\n`, nest)
}
dts += indentLines(`${js_doc}export class ${name} {`, nest)
if (def) {
dts += '\n' + indentLines(def, nest + 2)
}
if (implDef) {
dts += '\n' + indentLines(implDef, nest + 2)
}
if (def || implDef) {
dts += '\n'
} else {
dts += ` `
}
dts += indentLines(`}`, nest) + '\n'
}
return dts
}
const topLevelDef = convertDefs(allDefs.filter((def) => !def.js_mod))
const namespaceDefs = Object.entries(
groupBy(
allDefs.filter((def) => def.js_mod),
'js_mod',
),
).reduce((acc, [mod, defs]) => {
idents.push(mod)
return acc + `export namespace ${mod} {\n${convertDefs(defs, true)}}\n`
}, '')
const dtsHeader = noDtsHeader
? ''
: `/* tslint:disable */
/* eslint-disable */
/* auto-generated by NAPI-RS */\n
`
const externalDef =
topLevelDef.indexOf('ExternalObject<') > -1 ||
namespaceDefs.indexOf('ExternalObject<') > -1
? `export class ExternalObject<T> {
readonly '': {
readonly '': unique symbol
[K: symbol]: T
}
}\n`
: ''
await writeFileAsync(
target,
dtsHeader + externalDef + topLevelDef + namespaceDefs,
'utf8',
)
return idents
}
function indentLines(input: string, spaces: number) {
return input
.split('\n')
.map(
(line) =>
''.padEnd(spaces, ' ') +
(line.startsWith(' *') ? line.trimEnd() : line.trim()),
)
.join('\n')
}
async function writeJsBinding(
localName: string,
packageName: string,
distFileName: string | null,
idents: string[],
) {
if (distFileName && idents.length) {
const template = createJsBinding(localName, packageName)
const declareCodes = `const { ${idents.join(', ')} } = nativeBinding\n`
const exportsCode = idents.reduce(
(acc, cur) => `${acc}\nmodule.exports.${cur} = ${cur}`,
'',
)
await writeFileAsync(
distFileName,
template + declareCodes + exportsCode + '\n',
'utf8',
)
}
}
async function patchArmFeaturesHForArmTargets() {
let zigExePath: string
let zigLibDir: string | undefined
try {
const zigEnv = JSON.parse(execSync(`zig env`, { encoding: 'utf8' }).trim())
zigExePath = zigEnv['zig_exe']
zigLibDir = zigEnv['lib_dir']
} catch (e) {
throw new Error(
'Cannot get zig env correctly, please ensure the zig is installed correctly on your system',
)
}
try {
const p = zigLibDir
? join(zigLibDir, 'libc/glibc/sysdeps/arm/arm-features.h')
: join(zigExePath, '../lib/libc/glibc/sysdeps/arm/arm-features.h')
if (!existsSync(p)) {
await writeFileAsync(p, ARM_FEATURES_H, {
mode: 0o644,
})
}
} catch (e) {
console.error(
Error(
`Cannot patch arm-features.h, error: ${
(e as Error).message || e
}. See: https://github.com/ziglang/zig/issues/3287`,
),
)
}
}