rsnext/packages/next/build/swc/index.js
2021-08-12 13:59:53 -07:00

71 lines
1.8 KiB
JavaScript

const { loadBinding } = require('@node-rs/helper')
const path = require('path')
/**
* __dirname means load native addon from current dir
* 'next-swc' is the name of native addon
* the second arguments was decided by `napi.name` field in `package.json`
* the third arguments was decided by `name` field in `package.json`
* `loadBinding` helper will load `next-swc.[PLATFORM].node` from `__dirname` first
* If failed to load addon, it will fallback to load from `next-swc-[PLATFORM]`
*/
const bindings = loadBinding(
path.join(__dirname, '../../../native'),
'next-swc',
'@next/swc'
)
async function transform(src, options) {
const isModule = typeof src !== 'string'
options = options || {}
if (options?.jsc?.parser) {
options.jsc.parser.syntax = options.jsc.parser.syntax ?? 'ecmascript'
}
const { plugin, ...newOptions } = options
if (plugin) {
const m =
typeof src === 'string'
? await this.parse(src, options?.jsc?.parser)
: src
return this.transform(plugin(m), newOptions)
}
return bindings.transform(
isModule ? JSON.stringify(src) : src,
isModule,
toBuffer(newOptions)
)
}
function transformSync(src, options) {
const isModule = typeof src !== 'string'
options = options || {}
if (options?.jsc?.parser) {
options.jsc.parser.syntax = options.jsc.parser.syntax ?? 'ecmascript'
}
const { plugin, ...newOptions } = options
if (plugin) {
const m =
typeof src === 'string' ? this.parseSync(src, options?.jsc?.parser) : src
return this.transformSync(plugin(m), newOptions)
}
return bindings.transformSync(
isModule ? JSON.stringify(src) : src,
isModule,
toBuffer(newOptions)
)
}
function toBuffer(t) {
return Buffer.from(JSON.stringify(t))
}
module.exports.transform = transform
module.exports.transformSync = transformSync