All files / tardis transpile.js

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"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const node_1 = require("./node");
const traverse_1 = require("./traverse");
const createDebug = require("debug");
const debug = createDebug('tardis');
function createVisitorFromGenerator(generator) {
    const visitor = {};
    for (const type in generator) {
        if (generator.hasOwnProperty(type)) {
            visitor[type] = function generate(path) {
                path.node.toString = () => {
                    debug('generating code for node %s', path.node.type);
                    return generator[type](path.node);
                };
            };
        }
    }
    return visitor;
}
exports.createVisitorFromGenerator = createVisitorFromGenerator;
function transpile(code, options) {
    return __awaiter(this, void 0, void 0, function* () {
        const root = options.parser(code);
        const generator = options.generator ? createVisitorFromGenerator(options.generator) : null;
        const visitor = (options.visitor && generator ?
            node_1.mergeVisitors(generator, options.visitor) :
            (options.visitor || generator));
        yield traverse_1.traverse(root, {
            visitor,
        });
        return root.toString();
    });
}
exports.transpile = transpile;
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