1 define(['exports', 'module', '../utils'], function (exports, module, _utils) {
5 var SourceNode = undefined;
8 /* istanbul ignore next */
9 if (typeof define !== 'function' || !define.amd) {
10 // We don't support this in AMD environments. For these environments, we asusme that
11 // they are running on the browser and thus have no need for the source-map library.
12 var SourceMap = require('source-map');
13 SourceNode = SourceMap.SourceNode;
18 /* istanbul ignore if: tested but not covered in istanbul due to dist build */
20 SourceNode = function (line, column, srcFile, chunks) {
26 /* istanbul ignore next */
27 SourceNode.prototype = {
28 add: function add(chunks) {
29 if (_utils.isArray(chunks)) {
30 chunks = chunks.join('');
34 prepend: function prepend(chunks) {
35 if (_utils.isArray(chunks)) {
36 chunks = chunks.join('');
38 this.src = chunks + this.src;
40 toStringWithSourceMap: function toStringWithSourceMap() {
41 return { code: this.toString() };
43 toString: function toString() {
49 function castChunk(chunk, codeGen, loc) {
50 if (_utils.isArray(chunk)) {
53 for (var i = 0, len = chunk.length; i < len; i++) {
54 ret.push(codeGen.wrap(chunk[i], loc));
57 } else if (typeof chunk === 'boolean' || typeof chunk === 'number') {
58 // Handle primitives that the SourceNode will throw up on
64 function CodeGen(srcFile) {
65 this.srcFile = srcFile;
70 isEmpty: function isEmpty() {
71 return !this.source.length;
73 prepend: function prepend(source, loc) {
74 this.source.unshift(this.wrap(source, loc));
76 push: function push(source, loc) {
77 this.source.push(this.wrap(source, loc));
80 merge: function merge() {
81 var source = this.empty();
82 this.each(function (line) {
83 source.add([' ', line, '\n']);
88 each: function each(iter) {
89 for (var i = 0, len = this.source.length; i < len; i++) {
94 empty: function empty() {
95 var loc = this.currentLocation || { start: {} };
96 return new SourceNode(loc.start.line, loc.start.column, this.srcFile);
98 wrap: function wrap(chunk) {
99 var loc = arguments.length <= 1 || arguments[1] === undefined ? this.currentLocation || { start: {} } : arguments[1];
101 if (chunk instanceof SourceNode) {
105 chunk = castChunk(chunk, this, loc);
107 return new SourceNode(loc.start.line, loc.start.column, this.srcFile, chunk);
110 functionCall: function functionCall(fn, type, params) {
111 params = this.generateList(params);
112 return this.wrap([fn, type ? '.' + type + '(' : '(', params, ')']);
115 quotedString: function quotedString(str) {
116 return '"' + (str + '').replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/\u2028/g, '\\u2028') // Per Ecma-262 7.3 + 7.8.4
117 .replace(/\u2029/g, '\\u2029') + '"';
120 objectLiteral: function objectLiteral(obj) {
123 for (var key in obj) {
124 if (obj.hasOwnProperty(key)) {
125 var value = castChunk(obj[key], this);
126 if (value !== 'undefined') {
127 pairs.push([this.quotedString(key), ':', value]);
132 var ret = this.generateList(pairs);
138 generateList: function generateList(entries) {
139 var ret = this.empty();
141 for (var i = 0, len = entries.length; i < len; i++) {
146 ret.add(castChunk(entries[i], this));
152 generateArray: function generateArray(entries) {
153 var ret = this.generateList(entries);
161 module.exports = CodeGen;
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For these environments, we asusme that\n    // they are running on the browser and thus have no need for the source-map library.\n    let SourceMap = require('source-map');\n    SourceNode = SourceMap.SourceNode;\n  }\n} catch (err) {\n  /* NOP */\n}\n\n/* istanbul ignore if: tested but not covered in istanbul due to dist build  */\nif (!SourceNode) {\n  SourceNode = function(line, column, srcFile, chunks) {\n    this.src = '';\n    if (chunks) {\n      this.add(chunks);\n    }\n  };\n  /* istanbul ignore next */\n  SourceNode.prototype = {\n    add: function(chunks) {\n      if (isArray(chunks)) {\n        chunks = chunks.join('');\n      }\n      this.src += chunks;\n    },\n    prepend: function(chunks) {\n      if (isArray(chunks)) {\n        chunks = chunks.join('');\n      }\n      this.src = chunks + this.src;\n    },\n    toStringWithSourceMap: function() {\n      return {code: this.toString()};\n    },\n    toString: function() {\n      return this.src;\n    }\n  };\n}\n\n\nfunction castChunk(chunk, codeGen, loc) {\n  if (isArray(chunk)) {\n    let ret = [];\n\n    for (let i = 0, len = chunk.length; i < len; i++) {\n      ret.push(codeGen.wrap(chunk[i], loc));\n    }\n    return ret;\n  } else if (typeof chunk === 'boolean' || typeof chunk === 'number') {\n    // Handle primitives that the SourceNode will throw up on\n    return chunk + '';\n  }\n  return chunk;\n}\n\n\nfunction CodeGen(srcFile) {\n  this.srcFile = srcFile;\n  this.source = [];\n}\n\nCodeGen.prototype = {\n  isEmpty() {\n    return !this.source.length;\n  },\n  prepend: function(source, loc) {\n    this.source.unshift(this.wrap(source, loc));\n  },\n  push: function(source, loc) {\n    this.source.push(this.wrap(source, loc));\n  },\n\n  merge: function() {\n    let source = this.empty();\n    this.each(function(line) {\n      source.add(['  ', line, '\\n']);\n    });\n    return source;\n  },\n\n  each: function(iter) {\n    for (let i = 0, len = this.source.length; i < len; i++) {\n      iter(this.source[i]);\n    }\n  },\n\n  empty: function() {\n    let loc = this.currentLocation || {start: {}};\n    return new SourceNode(loc.start.line, loc.start.column, this.srcFile);\n  },\n  wrap: function(chunk, loc = this.currentLocation || {start: {}}) {\n    if (chunk instanceof SourceNode) {\n      return chunk;\n    }\n\n    chunk = castChunk(chunk, this, loc);\n\n    return new SourceNode(loc.start.line, loc.start.column, this.srcFile, chunk);\n  },\n\n  functionCall: function(fn, type, params) {\n    params = this.generateList(params);\n    return this.wrap([fn, type ? '.' + type + '(' : '(', params, ')']);\n  },\n\n  quotedString: function(str) {\n    return '\"' + (str + '')\n      .replace(/\\\\/g, '\\\\\\\\')\n      .replace(/\"/g, '\\\\\"')\n      .replace(/\\n/g, '\\\\n')\n      .replace(/\\r/g, '\\\\r')\n      .replace(/\\u2028/g, '\\\\u2028')   // Per Ecma-262 7.3 + 7.8.4\n      .replace(/\\u2029/g, '\\\\u2029') + '\"';\n  },\n\n  objectLiteral: function(obj) {\n    let pairs = [];\n\n    for (let key in obj) {\n      if (obj.hasOwnProperty(key)) {\n        let value = castChunk(obj[key], this);\n        if (value !== 'undefined') {\n          pairs.push([this.quotedString(key), ':', value]);\n        }\n      }\n    }\n\n    let ret = this.generateList(pairs);\n    ret.prepend('{');\n    ret.add('}');\n    return ret;\n  },\n\n\n  generateList: function(entries) {\n    let ret = this.empty();\n\n    for (let i = 0, len = entries.length; i < len; i++) {\n      if (i) {\n        ret.add(',');\n      }\n\n      ret.add(castChunk(entries[i], this));\n    }\n\n    return ret;\n  },\n\n  generateArray: function(entries) {\n    let ret = this.generateList(entries);\n    ret.prepend('[');\n    ret.add(']');\n\n    return ret;\n  }\n};\n\nexport default CodeGen;\n\n"]}