@babel/core
Version:
Babel compiler core.
41 lines (32 loc) • 1.48 kB
text/typescript
import gensync from "gensync";
import loadConfig from "./config";
import type { InputOptions, ResolvedConfig } from "./config";
import { run } from "./transformation";
import type { FileResult, FileResultCallback } from "./transformation";
import * as fs from "./gensync-utils/fs";
type transformFileBrowserType = typeof import("./transform-file-browser");
type transformFileType = typeof import("./transform-file");
// Kind of gross, but essentially asserting that the exports of this module are the same as the
// exports of transform-file-browser, since this file may be replaced at bundle time with
// transform-file-browser.
({} as any as transformFileBrowserType as transformFileType);
type TransformFile = {
(filename: string, callback: FileResultCallback): void;
(
filename: string,
opts: InputOptions | undefined | null,
callback: FileResultCallback,
): void;
};
const transformFileRunner = gensync<
(filename: string, opts?: InputOptions) => FileResult | null
>(function* (filename, opts: InputOptions) {
const options = { ...opts, filename };
const config: ResolvedConfig | null = yield* loadConfig(options);
if (config === null) return null;
const code = yield* fs.readFile(filename, "utf8");
return yield* run(config, code);
});
export const transformFile = transformFileRunner.errback as TransformFile;
export const transformFileSync = transformFileRunner.sync;
export const transformFileAsync = transformFileRunner.async;