123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185
import { join } from 'https://deno.land/std@0.106.0/path/mod.ts'import { ensureDir } from 'https://deno.land/std@0.106.0/fs/ensure_dir.ts'import { existsFile } from '../shared/fs.ts'import { Measure } from '../shared/log.ts'import type { ImportMap } from '../types.d.ts'import { getDenoDir } from '../server/helper.ts'import { checksum } from './dist/checksum.js'import init, { parseExportNamesSync, stripSsrCodeSync, transformSync } from './dist/compiler.js'
export enum SourceType {  JS = 'js',  JSX = 'jsx',  TS = 'ts',  TSX = 'tsx',  CSS = 'css',  Unknown = '??',}
export type SWCOptions = {  sourceType?: SourceType  jsxFactory?: string  jsxFragmentFactory?: string}
export type ReactOptions = {  version: string,  esmShBuildVersion: number}
export type TransformOptions = {  swcOptions?: SWCOptions  workingDir?: string  alephPkgUri?: string  importMap?: ImportMap  react?: ReactOptions  sourceMap?: boolean  isDev?: boolean  httpExternal?: boolean  bundleMode?: boolean  bundleExternals?: string[]  inlineStylePreprocess?(key: string, type: string, tpl: string): Promise<string>}
export type TransformResult = {  code: string  deps?: DependencyDescriptor[]  ssrPropsFn?: string  ssgPathsFn?: boolean  denoHooks?: string[]  starExports?: string[]  jsxStaticClassNames?: string[]  map?: string}
type DependencyDescriptor = {  specifier: string  resolved: string  isDynamic: boolean}
type InlineStyle = {  type: string,  quasis: string[],  exprs: string[]}
type InlineStyles = Record<string, InlineStyle>
let wasmReady: Promise<void> | boolean = false
async function initWasm() {  const cacheDir = join(await getDenoDir(), `deps/https/deno.land/aleph`)  const cachePath = `${cacheDir}/compiler.${checksum}.wasm`  if (await existsFile(cachePath)) {    const wasmData = await Deno.readFile(cachePath)    await init(wasmData)  } else {    const { default: getWasmData } = await import('./dist/wasm.js')    const wasmData = getWasmData()    await init(wasmData)    await ensureDir(cacheDir)    await Deno.writeFile(cachePath, wasmData)  }}
async function checkWasmReady() {  let ms: Measure | null = null  if (wasmReady === false) {    ms = new Measure()    wasmReady = initWasm()  }  if (wasmReady instanceof Promise) {    await wasmReady    wasmReady = true  }  if (ms !== null) {    ms.stop('init compiler wasm')  }}
/** * transform module by swc. * * ```tsx * transform( *   '/app.tsx', *   ` *     export default App() { *       return <h1>Hello World</h1> *     } *   ` * ) * ``` */export async function transform(specifier: string, code: string, options: TransformOptions = {}): Promise<TransformResult> {  await checkWasmReady()
  const { inlineStylePreprocess, ...transformOptions } = options  let {    code: jsContent,    deps,    ssrPropsFn,    ssgPathsFn,    inlineStyles,    denoHooks,    starExports,    jsxStaticClassNames,    map,  } = transformSync(specifier, code, transformOptions)
  // resolve inline-style  if (inlineStyles) {    await Promise.all(Object.entries(inlineStyles as InlineStyles).map(async ([key, style]) => {      let tpl = style.quasis.reduce((tpl, quais, i, a) => {        tpl += quais        if (i < a.length - 1) {          tpl += `%%aleph-inline-style-expr-${i}%%`        }        return tpl      }, '')        .replace(/\:\s*%%aleph-inline-style-expr-(\d+)%%/g, (_, id) => `: var(--aleph-inline-style-expr-${id})`)        .replace(/%%aleph-inline-style-expr-(\d+)%%/g, (_, id) => `/*%%aleph-inline-style-expr-${id}%%*/`)      if (inlineStylePreprocess !== undefined) {        tpl = await inlineStylePreprocess('#' + key, style.type, tpl)      }      tpl = tpl.replace(        /\:\s*var\(--aleph-inline-style-expr-(\d+)\)/g,        (_, id) => ': ${' + style.exprs[parseInt(id)] + '}'      ).replace(        /\/\*%%aleph-inline-style-expr-(\d+)%%\*\//g,        (_, id) => '${' + style.exprs[parseInt(id)] + '}'      )      jsContent = jsContent.replace(`"%%${key}-placeholder%%"`, '`' + tpl + '`')    }))  }
  return {    code: jsContent,    deps,    ssrPropsFn,    ssgPathsFn,    denoHooks,    starExports,    jsxStaticClassNames,    map  }}
/* strip SSR code. */export async function stripSsrCode(specifier: string, code: string, options: TransformOptions = {}): Promise<TransformResult> {  await checkWasmReady()  return stripSsrCodeSync(specifier, code, options)}
/* parse export names of the module. */export async function parseExportNames(specifier: string, code: string, options: SWCOptions = {}): Promise<string[]> {  await checkWasmReady()  return parseExportNamesSync(specifier, code, options)}
/** * The wasm checksum. */export const wasmChecksum = checksum