39 lines
1010 B
TypeScript
39 lines
1010 B
TypeScript
|
import * as esbuild from 'esbuild-wasm'
|
||
|
|
import { createMiddleware } from 'hono/factory'
|
||
|
|
import { esbuildTranspiler as baseTranspiler } from '../transpiler'
|
||
|
|
import type { EsbuildTranspilerOptions } from '../transpiler'
|
||
|
|
|
||
|
|
let initialized = false
|
||
|
|
|
||
|
|
const transpiler = (
|
||
|
|
options: Partial<Omit<EsbuildTranspilerOptions, 'esbuild'>> & {
|
||
|
|
wasmModule?: WebAssembly.Module
|
||
|
|
wasmURL?: string | URL
|
||
|
|
}
|
||
|
|
) => {
|
||
|
|
return createMiddleware(async (c, next) => {
|
||
|
|
if (!initialized) {
|
||
|
|
if (options.wasmModule) {
|
||
|
|
await esbuild.initialize({
|
||
|
|
wasmModule: options.wasmModule,
|
||
|
|
worker: false,
|
||
|
|
})
|
||
|
|
} else if (options.wasmURL) {
|
||
|
|
await esbuild.initialize({
|
||
|
|
wasmURL: options.wasmURL,
|
||
|
|
worker: false,
|
||
|
|
})
|
||
|
|
} else {
|
||
|
|
throw 'wasmModule or wasmURL option is required.'
|
||
|
|
}
|
||
|
|
initialized = true
|
||
|
|
}
|
||
|
|
return await baseTranspiler({
|
||
|
|
esbuild,
|
||
|
|
...options,
|
||
|
|
})(c, next)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
export { transpiler as esbuildTranspiler }
|