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{"version":3,"file":"iterator.js","sourceRoot":"","sources":["../../src/symbol/iterator.ts"],"names":[],"mappings":";AAAA,qBAAqB,cAAc,CAAC,CAAA;AAEpC,gCAAuC,IAAS;IAC9C,IAAM,MAAM,GAAQ,IAAI,CAAC,MAAM,CAAC;IAEhC,EAAE,CAAC,CAAC,OAAO,MAAM,KAAK,UAAU,CAAC,CAAC,CAAC;QACjC,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,QAAQ,CAAC,CAAC,CAAC;YACrB,MAAM,CAAC,QAAQ,GAAG,MAAM,CAAC,mBAAmB,CAAC,CAAC;QAChD,CAAC;QACD,MAAM,CAAC,MAAM,CAAC,QAAQ,CAAC;IACzB,CAAC;IAAC,IAAI,CAAC,CAAC;QACN,qDAAqD;QAC7C,oBAAG,CAAU;QACrB,EAAE,CAAC,CAAC,KAAG,IAAI,OAAO,IAAI,KAAG,EAAE,CAAC,YAAY,CAAC,KAAK,UAAU,CAAC,CAAC,CAAC;YACzD,MAAM,CAAC,YAAY,CAAC;QACtB,CAAC;QACO,oBAAG,CAAU;QACrB,2CAA2C;QAC3C,EAAE,CAAC,CAAC,KAAG,CAAC,CAAC,CAAC;YACR,IAAI,IAAI,GAAG,MAAM,CAAC,mBAAmB,CAAC,KAAG,CAAC,SAAS,CAAC,CAAC;YACrD,GAAG,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE,CAAC;gBACrC,IAAI,GAAG,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC;gBAClB,wFAAwF;gBACxF,EAAE,CAAC,CAAC,GAAG,KAAK,SAAS,IAAI,GAAG,KAAK,MAAM,IAAI,KAAG,CAAC,SAAS,CAAC,GAAG,CAAC,KAAK,KAAG,CAAC,SAAS,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;oBAC3F,MAAM,CAAC,GAAG,CAAC;gBACb,CAAC;YACH,CAAC;QACH,CAAC;QACD,MAAM,CAAC,YAAY,CAAC;IACtB,CAAC;AACH,CAAC;AA5Be,8BAAsB,yBA4BrC,CAAA;AAEY,gBAAQ,GAAG,sBAAsB,CAAC,WAAI,CAAC,CAAC;AAErD;;GAEG;AACU,kBAAU,GAAG,gBAAQ,CAAC","sourcesContent":["import { root } from '../util/root';\n\nexport function symbolIteratorPonyfill(root: any) {\n const Symbol: any = root.Symbol;\n\n if (typeof Symbol === 'function') {\n if (!Symbol.iterator) {\n Symbol.iterator = Symbol('iterator polyfill');\n }\n return Symbol.iterator;\n } else {\n // [for Mozilla Gecko 27-35:](https://mzl.la/2ewE1zC)\n const { Set } = root;\n if (Set && typeof new Set()['@@iterator'] === 'function') {\n return '@@iterator';\n }\n const { Map } = root;\n // required for compatability with es6-shim\n if (Map) {\n let keys = Object.getOwnPropertyNames(Map.prototype);\n for (let i = 0; i < keys.length; ++i) {\n let key = keys[i];\n // according to spec, Map.prototype[@@iterator] and Map.orototype.entries must be equal.\n if (key !== 'entries' && key !== 'size' && Map.prototype[key] === Map.prototype['entries']) {\n return key;\n }\n }\n }\n return '@@iterator';\n }\n}\n\nexport const iterator = symbolIteratorPonyfill(root);\n\n/**\n * @deprecated use iterator instead\n */\nexport const $$iterator = iterator;\n"]}
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