Sha256: 1ff9329f713fed270cf58e5f7fb88d8b5a918823953b1bf438c0a9d58471b18f
Contents?: true
Size: 1.34 KB
Versions: 4
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Stored size: 1.34 KB
Contents
'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);
};
Version data entries
4 entries across 3 versions & 2 rubygems