166 lines
16 KiB
Plaintext
166 lines
16 KiB
Plaintext
define(['exports', 'module', '../utils'], function (exports, module, _utils) {
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/* global define */
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'use strict';
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var SourceNode = undefined;
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try {
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/* istanbul ignore next */
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if (typeof define !== 'function' || !define.amd) {
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// We don't support this in AMD environments. For these environments, we asusme that
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// they are running on the browser and thus have no need for the source-map library.
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var SourceMap = require('source-map');
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SourceNode = SourceMap.SourceNode;
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}
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} catch (err) {}
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/* NOP */
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/* istanbul ignore if: tested but not covered in istanbul due to dist build */
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if (!SourceNode) {
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SourceNode = function (line, column, srcFile, chunks) {
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this.src = '';
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if (chunks) {
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this.add(chunks);
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}
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};
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/* istanbul ignore next */
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SourceNode.prototype = {
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add: function add(chunks) {
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if (_utils.isArray(chunks)) {
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chunks = chunks.join('');
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}
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this.src += chunks;
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},
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prepend: function prepend(chunks) {
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if (_utils.isArray(chunks)) {
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chunks = chunks.join('');
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}
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this.src = chunks + this.src;
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},
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toStringWithSourceMap: function toStringWithSourceMap() {
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return { code: this.toString() };
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},
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toString: function toString() {
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return this.src;
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}
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};
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}
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function castChunk(chunk, codeGen, loc) {
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if (_utils.isArray(chunk)) {
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var ret = [];
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for (var i = 0, len = chunk.length; i < len; i++) {
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ret.push(codeGen.wrap(chunk[i], loc));
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}
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return ret;
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} else if (typeof chunk === 'boolean' || typeof chunk === 'number') {
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// Handle primitives that the SourceNode will throw up on
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return chunk + '';
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}
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return chunk;
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}
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function CodeGen(srcFile) {
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this.srcFile = srcFile;
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this.source = [];
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}
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CodeGen.prototype = {
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isEmpty: function isEmpty() {
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return !this.source.length;
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},
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prepend: function prepend(source, loc) {
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this.source.unshift(this.wrap(source, loc));
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},
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push: function push(source, loc) {
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this.source.push(this.wrap(source, loc));
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},
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merge: function merge() {
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var source = this.empty();
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this.each(function (line) {
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source.add([' ', line, '\n']);
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});
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return source;
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},
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each: function each(iter) {
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for (var i = 0, len = this.source.length; i < len; i++) {
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iter(this.source[i]);
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}
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},
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empty: function empty() {
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var loc = this.currentLocation || { start: {} };
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return new SourceNode(loc.start.line, loc.start.column, this.srcFile);
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},
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wrap: function wrap(chunk) {
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var loc = arguments.length <= 1 || arguments[1] === undefined ? this.currentLocation || { start: {} } : arguments[1];
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if (chunk instanceof SourceNode) {
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return chunk;
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}
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chunk = castChunk(chunk, this, loc);
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return new SourceNode(loc.start.line, loc.start.column, this.srcFile, chunk);
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},
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functionCall: function functionCall(fn, type, params) {
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params = this.generateList(params);
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return this.wrap([fn, type ? '.' + type + '(' : '(', params, ')']);
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},
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quotedString: function quotedString(str) {
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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
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.replace(/\u2029/g, '\\u2029') + '"';
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},
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objectLiteral: function objectLiteral(obj) {
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// istanbul ignore next
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var _this = this;
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var pairs = [];
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Object.keys(obj).forEach(function (key) {
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var value = castChunk(obj[key], _this);
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if (value !== 'undefined') {
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pairs.push([_this.quotedString(key), ':', value]);
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}
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});
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var ret = this.generateList(pairs);
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ret.prepend('{');
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ret.add('}');
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return ret;
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},
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generateList: function generateList(entries) {
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var ret = this.empty();
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for (var i = 0, len = entries.length; i < len; i++) {
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if (i) {
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ret.add(',');
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}
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ret.add(castChunk(entries[i], this));
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}
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return ret;
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},
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generateArray: function generateArray(entries) {
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var ret = this.generateList(entries);
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ret.prepend('[');
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ret.add(']');
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return ret;
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}
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};
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module.exports = CodeGen;
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});
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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\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\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(\n      loc.start.line,\n      loc.start.column,\n      this.srcFile,\n      chunk\n    );\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 (\n      '\"' +\n      (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  },\n\n  objectLiteral: function(obj) {\n    let pairs = [];\n\n    Object.keys(obj).forEach(key => {\n      let value = castChunk(obj[key], this);\n      if (value !== 'undefined') {\n        pairs.push([this.quotedString(key), ':', value]);\n      }\n    });\n\n    let ret = this.generateList(pairs);\n    ret.prepend('{');\n    ret.add('}');\n    return ret;\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"]}
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