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Direktori : /var/www/html/node_modules/unbox-primitive/ |
Current File : //var/www/html/node_modules/unbox-primitive/index.js |
'use strict'; var whichBoxedPrimitive = require('which-boxed-primitive'); var bind = require('function-bind'); var hasSymbols = require('has-symbols')(); var hasBigInts = require('has-bigints')(); var stringToString = bind.call(Function.call, String.prototype.toString); var numberValueOf = bind.call(Function.call, Number.prototype.valueOf); var booleanValueOf = bind.call(Function.call, Boolean.prototype.valueOf); var symbolValueOf = hasSymbols && bind.call(Function.call, Symbol.prototype.valueOf); var bigIntValueOf = hasBigInts && bind.call(Function.call, BigInt.prototype.valueOf); module.exports = function unboxPrimitive(value) { var which = whichBoxedPrimitive(value); if (typeof which !== 'string') { throw new TypeError(which === null ? 'value is an unboxed primitive' : 'value is a non-boxed-primitive object'); } if (which === 'String') { return stringToString(value); } if (which === 'Number') { return numberValueOf(value); } if (which === 'Boolean') { return booleanValueOf(value); } if (which === 'Symbol') { if (!hasSymbols) { throw new EvalError('somehow this environment does not have Symbols, but you have a boxed Symbol value. Please report this!'); } return symbolValueOf(value); } if (which === 'BigInt') { return bigIntValueOf(value); } throw new RangeError('unknown boxed primitive found: ' + which); };