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node_modules/promise/build.js 2.02 KB
ce4c83ff   wxy   初始提交
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  'use strict';
  
  var fs = require('fs');
  var rimraf = require('rimraf');
  var acorn = require('acorn');
  var walk = require('acorn/dist/walk');
  
  var ids = [];
  var names = {};
  
  function getIdFor(name) {
    if (name in names) return names[name];
    var id;
    do {
      id = '_' + Math.floor(Math.random() * 100);
    } while (ids.indexOf(id) !== -1)
    ids.push(id);
    names[name] = id;
    return id;
  }
  
  function fixup(src) {
    var ast = acorn.parse(src);
    src = src.split('');
    walk.simple(ast, {
      MemberExpression: function (node) {
        if (node.computed) return;
        if (node.property.type !== 'Identifier') return;
        if (node.property.name[0] !== '_') return;
        replace(node.property, getIdFor(node.property.name));
      }
    });
    function source(node) {
      return src.slice(node.start, node.end).join('');
    }
    function replace(node, str) {
      for (var i = node.start; i < node.end; i++) {
        src[i] = '';
      }
      src[node.start] = str;
    }
    return src.join('');
  }
  rimraf.sync(__dirname + '/lib/');
  fs.mkdirSync(__dirname + '/lib/');
  fs.readdirSync(__dirname + '/src').forEach(function (filename) {
    var src = fs.readFileSync(__dirname + '/src/' + filename, 'utf8');
    var out = fixup(src);
    fs.writeFileSync(__dirname + '/lib/' + filename, out);
  });
  
  rimraf.sync(__dirname + '/domains/');
  fs.mkdirSync(__dirname + '/domains/');
  fs.readdirSync(__dirname + '/src').forEach(function (filename) {
    var src = fs.readFileSync(__dirname + '/src/' + filename, 'utf8');
    var out = fixup(src);
    out = out.replace(/require\(\'asap\/raw\'\)/g, "require('asap')");
    fs.writeFileSync(__dirname + '/domains/' + filename, out);
  });
  
  rimraf.sync(__dirname + '/setimmediate/');
  fs.mkdirSync(__dirname + '/setimmediate/');
  fs.readdirSync(__dirname + '/src').forEach(function (filename) {
    var src = fs.readFileSync(__dirname + '/src/' + filename, 'utf8');
    var out = fixup(src);
    out = out.replace(/var asap \= require\(\'([a-z\/]+)\'\);/g, '');
    out = out.replace(/asap/g, "setImmediate");
    fs.writeFileSync(__dirname + '/setimmediate/' + filename, out);
  });