api-console-assets
Version:
This repo only exists to publish api console components to npm
260 lines (243 loc) • 7.22 kB
JavaScript
// All polyfills source: Mozilla Developer Network
if (typeof Object.assign !== 'function') {
Object.assign = function(target) {
'use strict';
if (target === null) {
throw new TypeError('Cannot convert undefined or null to object');
}
var to = Object(target);
for (var index = 1; index < arguments.length; index++) {
var nextSource = arguments[index];
if (nextSource !== null) {
for (var nextKey in nextSource) {
if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
to[nextKey] = nextSource[nextKey];
}
}
}
}
return to;
};
}
if (!Object.keys) {
Object.keys = (function() {
'use strict';
var hasOwnProperty = Object.prototype.hasOwnProperty;
var hasDontEnumBug = !({
toString: null
}).propertyIsEnumerable('toString');
var dontEnums = [
'toString',
'toLocaleString',
'valueOf',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'constructor'
];
var dontEnumsLength = dontEnums.length;
return function(obj) {
if (typeof obj !== 'function' && (typeof obj !== 'object' || obj === null)) {
throw new TypeError('Object.keys called on non-object');
}
var result = [];
var prop;
var i;
for (prop in obj) {
if (hasOwnProperty.call(obj, prop)) {
result.push(prop);
}
}
if (hasDontEnumBug) {
for (i = 0; i < dontEnumsLength; i++) {
if (hasOwnProperty.call(obj, dontEnums[i])) {
result.push(dontEnums[i]);
}
}
}
return result;
};
}());
}
if (!Array.isArray) {
Array.isArray = function(arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
}
// https://tc39.github.io/ecma262/#sec-array.prototype.find
if (!Array.prototype.find) {
Object.defineProperty(Array.prototype, 'find', {
value: function(predicate) {
if (this === null) {
throw new TypeError('"this" is null or not defined');
}
var o = Object(this);
var len = o.length >>> 0;
if (typeof predicate !== 'function') {
throw new TypeError('predicate must be a function');
}
var thisArg = arguments[1];
var k = 0;
while (k < len) {
var kValue = o[k];
if (predicate.call(thisArg, kValue, k, o)) {
return kValue;
}
k++;
}
return undefined;
}
});
}
if (!Array.prototype.copyWithin) {
Array.prototype.copyWithin = function(target, start/*, end*/) {
if (this === null) {
throw new TypeError('this is null or not defined');
}
var O = Object(this);
var len = O.length >>> 0;
var relativeTarget = target >> 0;
var to = relativeTarget < 0 ?
Math.max(len + relativeTarget, 0) :
Math.min(relativeTarget, len);
var relativeStart = start >> 0;
var from = relativeStart < 0 ?
Math.max(len + relativeStart, 0) :
Math.min(relativeStart, len);
var end = arguments[2];
var relativeEnd = end === undefined ? len : end >> 0;
var final = relativeEnd < 0 ?
Math.max(len + relativeEnd, 0) :
Math.min(relativeEnd, len);
var count = Math.min(final - from, len - to);
var direction = 1;
if (from < to && to < (from + count)) {
direction = -1;
from += count - 1;
to += count - 1;
}
while (count > 0) {
if (from in O) {
O[to] = O[from];
} else {
delete O[to];
}
from += direction;
to += direction;
count--;
}
return O;
};
}
// https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
if (!Array.prototype.findIndex) {
Object.defineProperty(Array.prototype, 'findIndex', {
value: function(predicate) {
if (this === null) {
throw new TypeError('"this" is null or not defined');
}
var o = Object(this);
var len = o.length >>> 0;
if (typeof predicate !== 'function') {
throw new TypeError('predicate must be a function');
}
var thisArg = arguments[1];
var k = 0;
while (k < len) {
var kValue = o[k];
if (predicate.call(thisArg, kValue, k, o)) {
return k;
}
k++;
}
return -1;
}
});
}
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
if (!Array.prototype.includes) {
Object.defineProperty(Array.prototype, 'includes', {
value: function(searchElement, fromIndex) {
if (this === null) {
throw new TypeError('"this" is null or not defined');
}
var o = Object(this);
var len = o.length >>> 0;
if (len === 0) {
return false;
}
var n = fromIndex | 0;
var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
function sameValueZero(x, y) {
return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
}
while (k < len) {
if (sameValueZero(o[k], searchElement)) {
return true;
}
k++;
}
return false;
}
});
}
// Production steps of ECMA-262, Edition 6, 22.1.2.1
if (!Array.from) {
Array.from = (function() {
var toStr = Object.prototype.toString;
var isCallable = function(fn) {
return typeof fn === 'function' || toStr.call(fn) === '[object Function]';
};
var toInteger = function(value) {
var number = Number(value);
if (isNaN(number)) { return 0; }
if (number === 0 || !isFinite(number)) { return number; }
return (number > 0 ? 1 : -1) * Math.floor(Math.abs(number));
};
var maxSafeInteger = Math.pow(2, 53) - 1;
var toLength = function(value) {
var len = toInteger(value);
return Math.min(Math.max(len, 0), maxSafeInteger);
};
return function from(arrayLike/*, mapFn, thisArg */) {
var C = this;
var items = Object(arrayLike);
if (arrayLike === null) {
throw new TypeError('Array.from requires an array-like object - not null or undefined');
}
var mapFn = arguments.length > 1 ? arguments[1] : void undefined;
var T;
if (typeof mapFn !== 'undefined') {
if (!isCallable(mapFn)) {
throw new TypeError('Array.from: when provided, the second argument must be a function');
}
if (arguments.length > 2) {
T = arguments[2];
}
}
var len = toLength(items.length);
var A = isCallable(C) ? Object(new C(len)) : new Array(len);
var k = 0;
var kValue;
while (k < len) {
kValue = items[k];
if (mapFn) {
A[k] = typeof T === 'undefined' ? mapFn(kValue, k) : mapFn.call(T, kValue, k);
} else {
A[k] = kValue;
}
k += 1;
}
A.length = len;
return A;
};
}());
}
Number.isInteger = Number.isInteger || function(value) {
return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
};
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
return this.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
};
}