converter.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.babelOptions = void 0;
const babel = __importStar(require("@babel/core"));
// @ts-ignore
const plugin_syntax_dynamic_import_1 = __importDefault(require("@babel/plugin-syntax-dynamic-import"));
const recast_1 = __importDefault(require("recast"));
const fs_1 = require("fs");
const util_1 = require("./util");
const stripComments_1 = require("./stripComments");
function recastParse(code, options, parse) {
    return recast_1.default.parse(code, {
        parser: {
            parse: (code) => {
                return parse(code, Object.assign(Object.assign({}, options), { tokens: true }));
            }
        }
    });
}
function buildRecastGenerate(_rootDir = global.process.cwd()) {
    return function recastGenerate(ast) {
        const file = recast_1.default.print(ast);
        return file;
    };
}
const recastPlugin = function (rootDir) {
    return {
        parserOverride: recastParse,
        generatorOverride: buildRecastGenerate(rootDir)
    };
};
const babelOptions = (rootDir) => ({
    configFile: false,
    plugins: [recastPlugin(rootDir), plugin_syntax_dynamic_import_1.default]
});
exports.babelOptions = babelOptions;
const successFiles = [];
const errorFiles = [];
function convert(files, rootDir) {
    return __awaiter(this, void 0, void 0, function* () {
        yield (0, util_1.asyncForEach)(files, (path, i) => __awaiter(this, void 0, void 0, function* () {
            console.log(`${i} of ${files.length}: Converting ${path}`);
            let res;
            try {
                res = yield babel.transformFileAsync(path, (0, exports.babelOptions)(rootDir));
                res.code = (0, stripComments_1.stripComments)(res.code, ['// @flow', '// @noflow'])[0];
            }
            catch (err) {
                console.log(err);
                errorFiles.push(path);
                return;
            }
            (0, fs_1.writeFileSync)(path, res.code);
            successFiles.push(path);
        }));
        return {
            successFiles,
            errorFiles
        };
    });
}
exports.default = convert;
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