github-pages-deploy-action/node_modules/es-abstract/es5.js

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2019-11-19 20:48:29 +08:00
'use strict';
var GetIntrinsic = require('./GetIntrinsic');
var $Object = GetIntrinsic('%Object%');
var $EvalError = GetIntrinsic('%EvalError%');
var $TypeError = GetIntrinsic('%TypeError%');
var $String = GetIntrinsic('%String%');
var $Date = GetIntrinsic('%Date%');
var $Number = GetIntrinsic('%Number%');
var $floor = GetIntrinsic('%Math.floor%');
var $DateUTC = GetIntrinsic('%Date.UTC%');
var $abs = GetIntrinsic('%Math.abs%');
var assertRecord = require('./helpers/assertRecord');
var isPropertyDescriptor = require('./helpers/isPropertyDescriptor');
var $isNaN = require('./helpers/isNaN');
var $isFinite = require('./helpers/isFinite');
var sign = require('./helpers/sign');
var mod = require('./helpers/mod');
var isPrefixOf = require('./helpers/isPrefixOf');
var callBound = require('./helpers/callBound');
var IsCallable = require('is-callable');
var toPrimitive = require('es-to-primitive/es5');
var has = require('has');
var $getUTCFullYear = callBound('Date.prototype.getUTCFullYear');
var HoursPerDay = 24;
var MinutesPerHour = 60;
var SecondsPerMinute = 60;
var msPerSecond = 1e3;
var msPerMinute = msPerSecond * SecondsPerMinute;
var msPerHour = msPerMinute * MinutesPerHour;
var msPerDay = 86400000;
// https://es5.github.io/#x9
var ES5 = {
ToPrimitive: toPrimitive,
ToBoolean: function ToBoolean(value) {
return !!value;
},
ToNumber: function ToNumber(value) {
return +value; // eslint-disable-line no-implicit-coercion
},
ToInteger: function ToInteger(value) {
var number = this.ToNumber(value);
if ($isNaN(number)) { return 0; }
if (number === 0 || !$isFinite(number)) { return number; }
return sign(number) * Math.floor(Math.abs(number));
},
ToInt32: function ToInt32(x) {
return this.ToNumber(x) >> 0;
},
ToUint32: function ToUint32(x) {
return this.ToNumber(x) >>> 0;
},
ToUint16: function ToUint16(value) {
var number = this.ToNumber(value);
if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
var posInt = sign(number) * Math.floor(Math.abs(number));
return mod(posInt, 0x10000);
},
ToString: function ToString(value) {
return $String(value);
},
ToObject: function ToObject(value) {
this.CheckObjectCoercible(value);
return $Object(value);
},
CheckObjectCoercible: function CheckObjectCoercible(value, optMessage) {
/* jshint eqnull:true */
if (value == null) {
throw new $TypeError(optMessage || 'Cannot call method on ' + value);
}
return value;
},
IsCallable: IsCallable,
SameValue: function SameValue(x, y) {
if (x === y) { // 0 === -0, but they are not identical.
if (x === 0) { return 1 / x === 1 / y; }
return true;
}
return $isNaN(x) && $isNaN(y);
},
// https://ecma-international.org/ecma-262/5.1/#sec-8
Type: function Type(x) {
if (x === null) {
return 'Null';
}
if (typeof x === 'undefined') {
return 'Undefined';
}
if (typeof x === 'function' || typeof x === 'object') {
return 'Object';
}
if (typeof x === 'number') {
return 'Number';
}
if (typeof x === 'boolean') {
return 'Boolean';
}
if (typeof x === 'string') {
return 'String';
}
},
// https://ecma-international.org/ecma-262/6.0/#sec-property-descriptor-specification-type
IsPropertyDescriptor: function IsPropertyDescriptor(Desc) {
return isPropertyDescriptor(this, Desc);
},
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.1
IsAccessorDescriptor: function IsAccessorDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return false;
}
assertRecord(this, 'Property Descriptor', 'Desc', Desc);
if (!has(Desc, '[[Get]]') && !has(Desc, '[[Set]]')) {
return false;
}
return true;
},
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.2
IsDataDescriptor: function IsDataDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return false;
}
assertRecord(this, 'Property Descriptor', 'Desc', Desc);
if (!has(Desc, '[[Value]]') && !has(Desc, '[[Writable]]')) {
return false;
}
return true;
},
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.3
IsGenericDescriptor: function IsGenericDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return false;
}
assertRecord(this, 'Property Descriptor', 'Desc', Desc);
if (!this.IsAccessorDescriptor(Desc) && !this.IsDataDescriptor(Desc)) {
return true;
}
return false;
},
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.4
FromPropertyDescriptor: function FromPropertyDescriptor(Desc) {
if (typeof Desc === 'undefined') {
return Desc;
}
assertRecord(this, 'Property Descriptor', 'Desc', Desc);
if (this.IsDataDescriptor(Desc)) {
return {
value: Desc['[[Value]]'],
writable: !!Desc['[[Writable]]'],
enumerable: !!Desc['[[Enumerable]]'],
configurable: !!Desc['[[Configurable]]']
};
} else if (this.IsAccessorDescriptor(Desc)) {
return {
get: Desc['[[Get]]'],
set: Desc['[[Set]]'],
enumerable: !!Desc['[[Enumerable]]'],
configurable: !!Desc['[[Configurable]]']
};
} else {
throw new $TypeError('FromPropertyDescriptor must be called with a fully populated Property Descriptor');
}
},
// https://ecma-international.org/ecma-262/5.1/#sec-8.10.5
ToPropertyDescriptor: function ToPropertyDescriptor(Obj) {
if (this.Type(Obj) !== 'Object') {
throw new $TypeError('ToPropertyDescriptor requires an object');
}
var desc = {};
if (has(Obj, 'enumerable')) {
desc['[[Enumerable]]'] = this.ToBoolean(Obj.enumerable);
}
if (has(Obj, 'configurable')) {
desc['[[Configurable]]'] = this.ToBoolean(Obj.configurable);
}
if (has(Obj, 'value')) {
desc['[[Value]]'] = Obj.value;
}
if (has(Obj, 'writable')) {
desc['[[Writable]]'] = this.ToBoolean(Obj.writable);
}
if (has(Obj, 'get')) {
var getter = Obj.get;
if (typeof getter !== 'undefined' && !this.IsCallable(getter)) {
throw new TypeError('getter must be a function');
}
desc['[[Get]]'] = getter;
}
if (has(Obj, 'set')) {
var setter = Obj.set;
if (typeof setter !== 'undefined' && !this.IsCallable(setter)) {
throw new $TypeError('setter must be a function');
}
desc['[[Set]]'] = setter;
}
if ((has(desc, '[[Get]]') || has(desc, '[[Set]]')) && (has(desc, '[[Value]]') || has(desc, '[[Writable]]'))) {
throw new $TypeError('Invalid property descriptor. Cannot both specify accessors and a value or writable attribute');
}
return desc;
},
// https://ecma-international.org/ecma-262/5.1/#sec-11.9.3
'Abstract Equality Comparison': function AbstractEqualityComparison(x, y) {
var xType = this.Type(x);
var yType = this.Type(y);
if (xType === yType) {
return x === y; // ES6+ specified this shortcut anyways.
}
if (x == null && y == null) {
return true;
}
if (xType === 'Number' && yType === 'String') {
return this['Abstract Equality Comparison'](x, this.ToNumber(y));
}
if (xType === 'String' && yType === 'Number') {
return this['Abstract Equality Comparison'](this.ToNumber(x), y);
}
if (xType === 'Boolean') {
return this['Abstract Equality Comparison'](this.ToNumber(x), y);
}
if (yType === 'Boolean') {
return this['Abstract Equality Comparison'](x, this.ToNumber(y));
}
if ((xType === 'String' || xType === 'Number') && yType === 'Object') {
return this['Abstract Equality Comparison'](x, this.ToPrimitive(y));
}
if (xType === 'Object' && (yType === 'String' || yType === 'Number')) {
return this['Abstract Equality Comparison'](this.ToPrimitive(x), y);
}
return false;
},
// https://ecma-international.org/ecma-262/5.1/#sec-11.9.6
'Strict Equality Comparison': function StrictEqualityComparison(x, y) {
var xType = this.Type(x);
var yType = this.Type(y);
if (xType !== yType) {
return false;
}
if (xType === 'Undefined' || xType === 'Null') {
return true;
}
return x === y; // shortcut for steps 4-7
},
// https://ecma-international.org/ecma-262/5.1/#sec-11.8.5
// eslint-disable-next-line max-statements
'Abstract Relational Comparison': function AbstractRelationalComparison(x, y, LeftFirst) {
if (this.Type(LeftFirst) !== 'Boolean') {
throw new $TypeError('Assertion failed: LeftFirst argument must be a Boolean');
}
var px;
var py;
if (LeftFirst) {
px = this.ToPrimitive(x, $Number);
py = this.ToPrimitive(y, $Number);
} else {
py = this.ToPrimitive(y, $Number);
px = this.ToPrimitive(x, $Number);
}
var bothStrings = this.Type(px) === 'String' && this.Type(py) === 'String';
if (!bothStrings) {
var nx = this.ToNumber(px);
var ny = this.ToNumber(py);
if ($isNaN(nx) || $isNaN(ny)) {
return undefined;
}
if ($isFinite(nx) && $isFinite(ny) && nx === ny) {
return false;
}
if (nx === 0 && ny === 0) {
return false;
}
if (nx === Infinity) {
return false;
}
if (ny === Infinity) {
return true;
}
if (ny === -Infinity) {
return false;
}
if (nx === -Infinity) {
return true;
}
return nx < ny; // by now, these are both nonzero, finite, and not equal
}
if (isPrefixOf(py, px)) {
return false;
}
if (isPrefixOf(px, py)) {
return true;
}
return px < py; // both strings, neither a prefix of the other. shortcut for steps c-f
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.10
msFromTime: function msFromTime(t) {
return mod(t, msPerSecond);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.10
SecFromTime: function SecFromTime(t) {
return mod($floor(t / msPerSecond), SecondsPerMinute);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.10
MinFromTime: function MinFromTime(t) {
return mod($floor(t / msPerMinute), MinutesPerHour);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.10
HourFromTime: function HourFromTime(t) {
return mod($floor(t / msPerHour), HoursPerDay);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.2
Day: function Day(t) {
return $floor(t / msPerDay);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.2
TimeWithinDay: function TimeWithinDay(t) {
return mod(t, msPerDay);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
DayFromYear: function DayFromYear(y) {
return (365 * (y - 1970)) + $floor((y - 1969) / 4) - $floor((y - 1901) / 100) + $floor((y - 1601) / 400);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
TimeFromYear: function TimeFromYear(y) {
return msPerDay * this.DayFromYear(y);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
YearFromTime: function YearFromTime(t) {
// largest y such that this.TimeFromYear(y) <= t
return $getUTCFullYear(new $Date(t));
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.6
WeekDay: function WeekDay(t) {
return mod(this.Day(t) + 4, 7);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
DaysInYear: function DaysInYear(y) {
if (mod(y, 4) !== 0) {
return 365;
}
if (mod(y, 100) !== 0) {
return 366;
}
if (mod(y, 400) !== 0) {
return 365;
}
return 366;
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
InLeapYear: function InLeapYear(t) {
var days = this.DaysInYear(this.YearFromTime(t));
if (days === 365) {
return 0;
}
if (days === 366) {
return 1;
}
throw new $EvalError('Assertion failed: there are not 365 or 366 days in a year, got: ' + days);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.4
DayWithinYear: function DayWithinYear(t) {
return this.Day(t) - this.DayFromYear(this.YearFromTime(t));
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.4
MonthFromTime: function MonthFromTime(t) {
var day = this.DayWithinYear(t);
if (0 <= day && day < 31) {
return 0;
}
var leap = this.InLeapYear(t);
if (31 <= day && day < (59 + leap)) {
return 1;
}
if ((59 + leap) <= day && day < (90 + leap)) {
return 2;
}
if ((90 + leap) <= day && day < (120 + leap)) {
return 3;
}
if ((120 + leap) <= day && day < (151 + leap)) {
return 4;
}
if ((151 + leap) <= day && day < (181 + leap)) {
return 5;
}
if ((181 + leap) <= day && day < (212 + leap)) {
return 6;
}
if ((212 + leap) <= day && day < (243 + leap)) {
return 7;
}
if ((243 + leap) <= day && day < (273 + leap)) {
return 8;
}
if ((273 + leap) <= day && day < (304 + leap)) {
return 9;
}
if ((304 + leap) <= day && day < (334 + leap)) {
return 10;
}
if ((334 + leap) <= day && day < (365 + leap)) {
return 11;
}
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.5
DateFromTime: function DateFromTime(t) {
var m = this.MonthFromTime(t);
var d = this.DayWithinYear(t);
if (m === 0) {
return d + 1;
}
if (m === 1) {
return d - 30;
}
var leap = this.InLeapYear(t);
if (m === 2) {
return d - 58 - leap;
}
if (m === 3) {
return d - 89 - leap;
}
if (m === 4) {
return d - 119 - leap;
}
if (m === 5) {
return d - 150 - leap;
}
if (m === 6) {
return d - 180 - leap;
}
if (m === 7) {
return d - 211 - leap;
}
if (m === 8) {
return d - 242 - leap;
}
if (m === 9) {
return d - 272 - leap;
}
if (m === 10) {
return d - 303 - leap;
}
if (m === 11) {
return d - 333 - leap;
}
throw new $EvalError('Assertion failed: MonthFromTime returned an impossible value: ' + m);
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.12
MakeDay: function MakeDay(year, month, date) {
if (!$isFinite(year) || !$isFinite(month) || !$isFinite(date)) {
return NaN;
}
var y = this.ToInteger(year);
var m = this.ToInteger(month);
var dt = this.ToInteger(date);
var ym = y + $floor(m / 12);
var mn = mod(m, 12);
var t = $DateUTC(ym, mn, 1);
if (this.YearFromTime(t) !== ym || this.MonthFromTime(t) !== mn || this.DateFromTime(t) !== 1) {
return NaN;
}
return this.Day(t) + dt - 1;
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.13
MakeDate: function MakeDate(day, time) {
if (!$isFinite(day) || !$isFinite(time)) {
return NaN;
}
return (day * msPerDay) + time;
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.11
MakeTime: function MakeTime(hour, min, sec, ms) {
if (!$isFinite(hour) || !$isFinite(min) || !$isFinite(sec) || !$isFinite(ms)) {
return NaN;
}
var h = this.ToInteger(hour);
var m = this.ToInteger(min);
var s = this.ToInteger(sec);
var milli = this.ToInteger(ms);
var t = (h * msPerHour) + (m * msPerMinute) + (s * msPerSecond) + milli;
return t;
},
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.14
TimeClip: function TimeClip(time) {
if (!$isFinite(time) || $abs(time) > 8.64e15) {
return NaN;
}
return $Number(new $Date(this.ToNumber(time)));
},
// https://ecma-international.org/ecma-262/5.1/#sec-5.2
modulo: function modulo(x, y) {
return mod(x, y);
}
};
module.exports = ES5;