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74 lines
2.2 KiB
74 lines
2.2 KiB
4 years ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
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result["default"] = mod;
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var fs_1 = __importDefault(require("fs"));
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var types = __importStar(require("ast-types"));
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exports.types = types;
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var parser_1 = require("./lib/parser");
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exports.parse = parser_1.parse;
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var printer_1 = require("./lib/printer");
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/**
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* Traverse and potentially modify an abstract syntax tree using a
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* convenient visitor syntax:
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*
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* recast.visit(ast, {
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* names: [],
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* visitIdentifier: function(path) {
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* var node = path.value;
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* this.visitor.names.push(node.name);
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* this.traverse(path);
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* }
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* });
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*/
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var ast_types_1 = require("ast-types");
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exports.visit = ast_types_1.visit;
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/**
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* Reprint a modified syntax tree using as much of the original source
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* code as possible.
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*/
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function print(node, options) {
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return new printer_1.Printer(options).print(node);
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}
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exports.print = print;
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/**
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* Print without attempting to reuse any original source code.
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*/
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function prettyPrint(node, options) {
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return new printer_1.Printer(options).printGenerically(node);
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}
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exports.prettyPrint = prettyPrint;
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/**
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* Convenient command-line interface (see e.g. example/add-braces).
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*/
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function run(transformer, options) {
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return runFile(process.argv[2], transformer, options);
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}
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exports.run = run;
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function runFile(path, transformer, options) {
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fs_1.default.readFile(path, "utf-8", function (err, code) {
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if (err) {
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console.error(err);
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return;
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}
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runString(code, transformer, options);
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});
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}
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function defaultWriteback(output) {
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process.stdout.write(output);
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}
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function runString(code, transformer, options) {
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var writeback = options && options.writeback || defaultWriteback;
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transformer(parser_1.parse(code, options), function (node) {
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writeback(print(node, options).code);
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});
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}
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