282f81bd67
* Prepare @babel/core for asynchronicity * Include regenerator-runtime in standalone build * Fix rollup build
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
// @flow
|
|
|
|
import gensync from "gensync";
|
|
|
|
import loadConfig, { type InputOptions } from "./config";
|
|
import parser from "./parser";
|
|
import type { ParseResult } from "./parser";
|
|
import normalizeOptions from "./transformation/normalize-opts";
|
|
|
|
type FileParseCallback = {
|
|
(Error, null): any,
|
|
(null, ParseResult | null): any,
|
|
};
|
|
|
|
type Parse = {
|
|
(code: string, callback: FileParseCallback): void,
|
|
(code: string, opts: ?InputOptions, callback: FileParseCallback): void,
|
|
|
|
// Here for backward-compatibility. Ideally use ".parseSync" if you want
|
|
// a synchronous API.
|
|
(code: string, opts: ?InputOptions): ParseResult | null,
|
|
};
|
|
|
|
const parseRunner = gensync<[string, ?InputOptions], ParseResult | null>(
|
|
function* parse(code, opts) {
|
|
const config = yield* loadConfig(opts);
|
|
|
|
if (config === null) {
|
|
return null;
|
|
}
|
|
|
|
return yield* parser(config.passes, normalizeOptions(config), code);
|
|
},
|
|
);
|
|
|
|
export const parse: Parse = (function parse(code, opts, callback) {
|
|
if (typeof opts === "function") {
|
|
callback = opts;
|
|
opts = undefined;
|
|
}
|
|
|
|
// For backward-compat with Babel 7's early betas, we allow sync parsing when
|
|
// no callback is given. Will be dropped in some future Babel major version.
|
|
if (callback === undefined) return parseRunner.sync(code, opts);
|
|
|
|
parseRunner.errback(code, opts, callback);
|
|
}: Function);
|
|
|
|
export const parseSync = parseRunner.sync;
|
|
export const parseAsync = parseRunner.async;
|