文件操作 - define-well-known-symbol.js
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文件: /node_modules/core-js/internals/define-well-known-symbol.js
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var path = require('../internals/path'); var has = require('../internals/has'); var wrappedWellKnownSymbolModule = require('../internals/well-known-symbol-wrapped'); var defineProperty = require('../internals/object-define-property').f; module.exports = function (NAME) { var Symbol = path.Symbol || (path.Symbol = {}); if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, { value: wrappedWellKnownSymbolModule.f(NAME) }); };
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