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2.0 KiB
JSON
1 line
2.0 KiB
JSON
{"ast":null,"code":"var DataView = require('./_DataView'),\n Map = require('./_Map'),\n Promise = require('./_Promise'),\n Set = require('./_Set'),\n WeakMap = require('./_WeakMap'),\n baseGetTag = require('./_baseGetTag'),\n toSource = require('./_toSource');\n/** `Object#toString` result references. */\n\n\nvar mapTag = '[object Map]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n setTag = '[object Set]',\n weakMapTag = '[object WeakMap]';\nvar dataViewTag = '[object DataView]';\n/** Used to detect maps, sets, and weakmaps. */\n\nvar dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n/**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n\nvar getTag = baseGetTag; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\nif (DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag || Map && getTag(new Map()) != mapTag || Promise && getTag(Promise.resolve()) != promiseTag || Set && getTag(new Set()) != setTag || WeakMap && getTag(new WeakMap()) != weakMapTag) {\n getTag = function getTag(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString:\n return dataViewTag;\n\n case mapCtorString:\n return mapTag;\n\n case promiseCtorString:\n return promiseTag;\n\n case setCtorString:\n return setTag;\n\n case weakMapCtorString:\n return weakMapTag;\n }\n }\n\n return result;\n };\n}\n\nmodule.exports = getTag;","map":null,"metadata":{},"sourceType":"script"} |