159 lines
3.9 KiB
JavaScript
159 lines
3.9 KiB
JavaScript
import { platform, arch } from 'os'
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import { platformArchTriples } from '@napi-rs/triples'
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import Log from '../output/log'
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const ArchName = arch()
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const PlatformName = platform()
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const triples = platformArchTriples[PlatformName][ArchName]
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async function loadBindings() {
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return (await loadWasm()) || loadNative()
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}
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async function loadWasm() {
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// Try to load wasm bindings
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for (let specifier of ['@next/swc-wasm-web', '@next/swc-wasm-nodejs']) {
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try {
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let bindings = await import(specifier)
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if (specifier === '@next/swc-wasm-web') {
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bindings = await bindings.default()
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}
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return {
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transform(src, options) {
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return Promise.resolve(
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bindings.transformSync(src.toString(), options)
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)
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},
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minify(src, options) {
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return Promise.resolve(bindings.minifySync(src.toString(), options))
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},
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}
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} catch (e) {}
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}
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}
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function loadNative() {
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let bindings
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let loadError
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for (const triple of triples) {
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try {
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bindings = require(`@next/swc/native/next-swc.${triple.platformArchABI}.node`)
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Log.info('Using locally built binary of @next/swc')
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break
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} catch (e) {
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if (e?.code !== 'MODULE_NOT_FOUND') {
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loadError = e
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}
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}
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}
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if (!bindings) {
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for (const triple of triples) {
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try {
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bindings = require(`@next/swc-${triple.platformArchABI}`)
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break
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} catch (e) {
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if (e?.code !== 'MODULE_NOT_FOUND') {
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loadError = e
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}
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}
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}
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}
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if (bindings) {
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return {
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transform(src, options) {
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const isModule =
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typeof src !== undefined &&
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typeof src !== 'string' &&
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!Buffer.isBuffer(src)
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options = options || {}
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if (options?.jsc?.parser) {
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options.jsc.parser.syntax = options.jsc.parser.syntax ?? 'ecmascript'
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}
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return bindings.transform(
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isModule ? JSON.stringify(src) : src,
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isModule,
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toBuffer(options)
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)
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},
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transformSync(src, options) {
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if (typeof src === undefined) {
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throw new Error(
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"transformSync doesn't implement reading the file from filesystem"
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)
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} else if (Buffer.isBuffer(src)) {
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throw new Error(
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"transformSync doesn't implement taking the source code as Buffer"
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)
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}
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const isModule = typeof src !== 'string'
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options = options || {}
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if (options?.jsc?.parser) {
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options.jsc.parser.syntax = options.jsc.parser.syntax ?? 'ecmascript'
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}
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return bindings.transformSync(
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isModule ? JSON.stringify(src) : src,
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isModule,
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toBuffer(options)
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)
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},
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minify(src, options) {
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return bindings.minify(toBuffer(src), toBuffer(options ?? {}))
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},
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minifySync(src, options) {
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return bindings.minifySync(toBuffer(src), toBuffer(options ?? {}))
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},
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bundle(options) {
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return bindings.bundle(toBuffer(options))
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},
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}
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}
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if (loadError) {
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console.error(loadError)
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}
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Log.error(
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`Failed to load SWC binary, see more info here: https://nextjs.org/docs/messages/failed-loading-swc`
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)
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process.exit(1)
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}
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function toBuffer(t) {
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return Buffer.from(JSON.stringify(t))
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}
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export async function transform(src, options) {
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let bindings = await loadBindings()
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return bindings.transform(src, options)
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}
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export function transformSync(src, options) {
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let bindings = loadNative()
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return bindings.transformSync(src, options)
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}
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export async function minify(src, options) {
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let bindings = await loadBindings()
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return bindings.minify(src, options)
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}
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export function minifySync(src, options) {
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let bindings = loadNative()
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return bindings.minifySync(src, options)
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}
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export async function bundle(options) {
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let bindings = loadNative()
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return bindings.bundle(toBuffer(options))
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}
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