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{"version":3,"file":"dataTool.js","sources":["../../node_modules/zrender/src/core/util.js","../../extension-src/dataTool/gexf.js","../../src/util/number.js","../../extension-src/dataTool/prepareBoxplotData.js","../../extension-src/dataTool/index.js"],"sourcesContent":["/**\n * @module zrender/core/util\n */\n\n// 用于处理merge时无法遍历Date等对象的问题\nvar BUILTIN_OBJECT = {\n '[object Function]': 1,\n '[object RegExp]': 1,\n '[object Date]': 1,\n '[object Error]': 1,\n '[object CanvasGradient]': 1,\n '[object CanvasPattern]': 1,\n // For node-canvas\n '[object Image]': 1,\n '[object Canvas]': 1\n};\n\nvar TYPED_ARRAY = {\n '[object Int8Array]': 1,\n '[object Uint8Array]': 1,\n '[object Uint8ClampedArray]': 1,\n '[object Int16Array]': 1,\n '[object Uint16Array]': 1,\n '[object Int32Array]': 1,\n '[object Uint32Array]': 1,\n '[object Float32Array]': 1,\n '[object Float64Array]': 1\n};\n\nvar objToString = Object.prototype.toString;\n\nvar arrayProto = Array.prototype;\nvar nativeForEach = arrayProto.forEach;\nvar nativeFilter = arrayProto.filter;\nvar nativeSlice = arrayProto.slice;\nvar nativeMap = arrayProto.map;\nvar nativeReduce = arrayProto.reduce;\n\n// Avoid assign to an exported variable, for transforming to cjs.\nvar methods = {};\n\nexport function $override(name, fn) {\n // Clear ctx instance for different environment\n if (name === 'createCanvas') {\n _ctx = null;\n }\n\n methods[name] = fn;\n}\n\n/**\n * Those data types can be cloned:\n * Plain object, Array, TypedArray, number, string, null, undefined.\n * Those data types will be assgined using the orginal data:\n * BUILTIN_OBJECT\n * Instance of user defined class will be cloned to a plain object, without\n * properties in prototype.\n * Other data types is not supported (not sure what will happen).\n *\n * Caution: do not support clone Date, for performance consideration.\n * (There might be a large number of date in `series.data`).\n * So date should not be modified in and out of echarts.\n *\n * @param {*} source\n * @return {*} new\n */\nexport function clone(source) {\n if (source == null || typeof source !== 'object') {\n return source;\n }\n\n var result = source;\n var typeStr = objToString.call(source);\n\n if (typeStr === '[object Array]') {\n if (!isPrimitive(source)) {\n result = [];\n for (var i = 0, len = source.length; i < len; i++) {\n result[i] = clone(source[i]);\n }\n }\n }\n else if (TYPED_ARRAY[typeStr]) {\n if (!isPrimitive(source)) {\n var Ctor = source.constructor;\n if (source.constructor.from) {\n result = Ctor.from(source);\n }\n else {\n result = new Ctor(source.length);\n for (var i = 0, len = source.length; i < len; i++) {\n result[i] = clone(source[i]);\n }\n }\n }\n }\n else if (!BUILTIN_OBJECT[typeStr] && !isPrimitive(source) && !isDom(source)) {\n result = {};\n for (var key in source) {\n if (source.hasOwnProperty(key)) {\n result[key] = clone(source[key]);\n }\n }\n }\n\n return result;\n}\n\n/**\n * @memberOf module:zrender/core/util\n * @param {*} target\n * @param {*} source\n * @param {boolean} [overwrite=false]\n */\nexport function merge(target, source, overwrite) {\n // We should escapse that source is string\n // and enter for ... in ...\n if (!isObject(source) || !isObject(target)) {\n return overwrite ? clone(source) : target;\n }\n\n for (var key in source) {\n if (source.hasOwnProperty(key)) {\n var targetProp = target[key];\n var sourceProp = source[key];\n\n if (isObject(sourceProp)\n && isObject(targetProp)\n && !isArray(sourceProp)\n && !isArray(targetProp)\n && !isDom(sourceProp)\n
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