123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 |
- var types = require("./lib/types");
- var parse = require("./lib/parser").parse;
- var Printer = require("./lib/printer").Printer;
-
- function print(node, options) {
- return new Printer(options).print(node);
- }
-
- function prettyPrint(node, options) {
- return new Printer(options).printGenerically(node);
- }
-
- function run(transformer, options) {
- return runFile(process.argv[2], transformer, options);
- }
-
- function runFile(path, transformer, options) {
- require("fs").readFile(path, "utf-8", function(err, code) {
- if (err) {
- console.error(err);
- return;
- }
-
- runString(code, transformer, options);
- });
- }
-
- function defaultWriteback(output) {
- process.stdout.write(output);
- }
-
- function runString(code, transformer, options) {
- var writeback = options && options.writeback || defaultWriteback;
- transformer(parse(code, options), function(node) {
- writeback(print(node, options).code);
- });
- }
-
- Object.defineProperties(exports, {
- /**
- * Parse a string of code into an augmented syntax tree suitable for
- * arbitrary modification and reprinting.
- */
- parse: {
- enumerable: true,
- value: parse
- },
-
- /**
- * Traverse and potentially modify an abstract syntax tree using a
- * convenient visitor syntax:
- *
- * recast.visit(ast, {
- * names: [],
- * visitIdentifier: function(path) {
- * var node = path.value;
- * this.visitor.names.push(node.name);
- * this.traverse(path);
- * }
- * });
- */
- visit: {
- enumerable: true,
- value: types.visit
- },
-
- /**
- * Reprint a modified syntax tree using as much of the original source
- * code as possible.
- */
- print: {
- enumerable: true,
- value: print
- },
-
- /**
- * Print without attempting to reuse any original source code.
- */
- prettyPrint: {
- enumerable: false,
- value: prettyPrint
- },
-
- /**
- * Customized version of require("ast-types").
- */
- types: {
- enumerable: false,
- value: types
- },
-
- /**
- * Convenient command-line interface (see e.g. example/add-braces).
- */
- run: {
- enumerable: false,
- value: run
- }
- });
|