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node_modules/core-js/modules/es.number.constructor.js

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+'use strict';
+var $ = require('../internals/export');
+var IS_PURE = require('../internals/is-pure');
+var DESCRIPTORS = require('../internals/descriptors');
+var global = require('../internals/global');
+var path = require('../internals/path');
+var uncurryThis = require('../internals/function-uncurry-this');
+var isForced = require('../internals/is-forced');
+var hasOwn = require('../internals/has-own-property');
+var inheritIfRequired = require('../internals/inherit-if-required');
+var isPrototypeOf = require('../internals/object-is-prototype-of');
+var isSymbol = require('../internals/is-symbol');
+var toPrimitive = require('../internals/to-primitive');
+var fails = require('../internals/fails');
+var getOwnPropertyNames = require('../internals/object-get-own-property-names').f;
+var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
+var defineProperty = require('../internals/object-define-property').f;
+var thisNumberValue = require('../internals/this-number-value');
+var trim = require('../internals/string-trim').trim;
+
+var NUMBER = 'Number';
+var NativeNumber = global[NUMBER];
+var PureNumberNamespace = path[NUMBER];
+var NumberPrototype = NativeNumber.prototype;
+var TypeError = global.TypeError;
+var stringSlice = uncurryThis(''.slice);
+var charCodeAt = uncurryThis(''.charCodeAt);
+
+// `ToNumeric` abstract operation
+// https://tc39.es/ecma262/#sec-tonumeric
+var toNumeric = function (value) {
+  var primValue = toPrimitive(value, 'number');
+  return typeof primValue == 'bigint' ? primValue : toNumber(primValue);
+};
+
+// `ToNumber` abstract operation
+// https://tc39.es/ecma262/#sec-tonumber
+var toNumber = function (argument) {
+  var it = toPrimitive(argument, 'number');
+  var first, third, radix, maxCode, digits, length, index, code;
+  if (isSymbol(it)) throw TypeError('Cannot convert a Symbol value to a number');
+  if (typeof it == 'string' && it.length > 2) {
+    it = trim(it);
+    first = charCodeAt(it, 0);
+    if (first === 43 || first === 45) {
+      third = charCodeAt(it, 2);
+      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
+    } else if (first === 48) {
+      switch (charCodeAt(it, 1)) {
+        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
+        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
+        default: return +it;
+      }
+      digits = stringSlice(it, 2);
+      length = digits.length;
+      for (index = 0; index < length; index++) {
+        code = charCodeAt(digits, index);
+        // parseInt parses a string to a first unavailable symbol
+        // but ToNumber should return NaN if a string contains unavailable symbols
+        if (code < 48 || code > maxCode) return NaN;
+      } return parseInt(digits, radix);
+    }
+  } return +it;
+};
+
+var FORCED = isForced(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'));
+
+var calledWithNew = function (dummy) {
+  // includes check on 1..constructor(foo) case
+  return isPrototypeOf(NumberPrototype, dummy) && fails(function () { thisNumberValue(dummy); });
+};
+
+// `Number` constructor
+// https://tc39.es/ecma262/#sec-number-constructor
+var NumberWrapper = function Number(value) {
+  var n = arguments.length < 1 ? 0 : NativeNumber(toNumeric(value));
+  return calledWithNew(this) ? inheritIfRequired(Object(n), this, NumberWrapper) : n;
+};
+
+NumberWrapper.prototype = NumberPrototype;
+if (FORCED && !IS_PURE) NumberPrototype.constructor = NumberWrapper;
+
+$({ global: true, constructor: true, wrap: true, forced: FORCED }, {
+  Number: NumberWrapper
+});
+
+// Use `internal/copy-constructor-properties` helper in `core-js@4`
+var copyConstructorProperties = function (target, source) {
+  for (var keys = DESCRIPTORS ? getOwnPropertyNames(source) : (
+    // ES3:
+    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
+    // ES2015 (in case, if modules with ES2015 Number statics required before):
+    'EPSILON,MAX_SAFE_INTEGER,MIN_SAFE_INTEGER,isFinite,isInteger,isNaN,isSafeInteger,parseFloat,parseInt,' +
+    // ESNext
+    'fromString,range'
+  ).split(','), j = 0, key; keys.length > j; j++) {
+    if (hasOwn(source, key = keys[j]) && !hasOwn(target, key)) {
+      defineProperty(target, key, getOwnPropertyDescriptor(source, key));
+    }
+  }
+};
+
+if (IS_PURE && PureNumberNamespace) copyConstructorProperties(path[NUMBER], PureNumberNamespace);
+if (FORCED || IS_PURE) copyConstructorProperties(path[NUMBER], NativeNumber);