108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
import isFunction from "lodash/lang/isFunction";
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import transform from "../transformation";
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import * as babylon from "babylon";
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import * as util from "../util";
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import fs from "fs";
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export { util, babylon as acorn, transform };
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export { pipeline, lint } from "../transformation";
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export { canCompile } from "../util";
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export { default as File } from "../transformation/file";
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export { default as options } from "../transformation/file/options/config";
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export { default as Plugin } from "../transformation/plugin";
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export { default as Transformer } from "../transformation/transformer";
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export { default as Pipeline } from "../transformation/pipeline";
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export { default as traverse } from "babel-traverse";
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export { default as buildExternalHelpers } from "../tools/build-external-helpers";
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export { version } from "../../package";
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import * as t from "babel-types";
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export { t as types };
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/**
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* Register Babel and polyfill globally.
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*/
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export function register(opts?: Object) {
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var callback = require("./register/node-polyfill");
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if (opts != null) callback(opts);
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return callback;
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}
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/**
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* Register polyfill globally.
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*/
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export function polyfill() {
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console.trace('The use of `require("babel").polyfill() is deprecated. Please us require("babel-polyfill")');
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require("babel-polyfill");
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}
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/**
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* Asynchronously transform `filename` with optional `opts`, calls `callback` when complete.
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*/
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export function transformFile(filename: string, opts?: Object, callback: Function) {
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if (isFunction(opts)) {
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callback = opts;
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opts = {};
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}
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opts.filename = filename;
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fs.readFile(filename, function (err, code) {
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if (err) return callback(err);
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var result;
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try {
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result = transform(code, opts);
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} catch (err) {
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return callback(err);
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}
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callback(null, result);
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});
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}
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/**
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* Synchronous form of `transformFile`.
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*/
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export function transformFileSync(filename: string, opts?: Object = {}) {
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opts.filename = filename;
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return transform(fs.readFileSync(filename, "utf8"), opts);
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}
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/**
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* Parse script with Babel's parser.
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*/
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export function parse(code, opts = {}) {
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opts.allowHashBang = true;
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opts.sourceType = "module";
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opts.ecmaVersion = Infinity;
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opts.plugins = {
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jsx: true,
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flow: true
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};
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opts.features = {};
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for (var key in transform.pipeline.transformers) {
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opts.features[key] = true;
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}
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var ast = babylon.parse(code, opts);
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if (opts.onToken) {
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opts.onToken.push(...ast.tokens);
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}
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if (opts.onComment) {
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opts.onComment.push(...ast.comments);
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}
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return ast.program;
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}
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