@angular/router-deprecated
Version:
343 lines • 10.3 kB
JavaScript
import { getSymbolIterator, global, isArray, isBlank, isJsObject, isPresent } from './lang';
export var Map = global.Map;
export var Set = global.Set;
// Safari and Internet Explorer do not support the iterable parameter to the
// Map constructor. We work around that by manually adding the items.
var createMapFromPairs = (function () {
try {
if (new Map([[1, 2]]).size === 1) {
return function createMapFromPairs(pairs) { return new Map(pairs); };
}
}
catch (e) {
}
return function createMapAndPopulateFromPairs(pairs) {
var map = new Map();
for (var i = 0; i < pairs.length; i++) {
var pair = pairs[i];
map.set(pair[0], pair[1]);
}
return map;
};
})();
var createMapFromMap = (function () {
try {
if (new Map(new Map())) {
return function createMapFromMap(m) { return new Map(m); };
}
}
catch (e) {
}
return function createMapAndPopulateFromMap(m) {
var map = new Map();
m.forEach((v, k) => { map.set(k, v); });
return map;
};
})();
var _clearValues = (function () {
if ((new Map()).keys().next) {
return function _clearValues(m) {
var keyIterator = m.keys();
var k;
while (!((k = keyIterator.next()).done)) {
m.set(k.value, null);
}
};
}
else {
return function _clearValuesWithForeEach(m) {
m.forEach((v, k) => { m.set(k, null); });
};
}
})();
// Safari doesn't implement MapIterator.next(), which is used is Traceur's polyfill of Array.from
// TODO(mlaval): remove the work around once we have a working polyfill of Array.from
var _arrayFromMap = (function () {
try {
if ((new Map()).values().next) {
return function createArrayFromMap(m, getValues) {
return getValues ? Array.from(m.values()) : Array.from(m.keys());
};
}
}
catch (e) {
}
return function createArrayFromMapWithForeach(m, getValues) {
var res = ListWrapper.createFixedSize(m.size), i = 0;
m.forEach((v, k) => {
res[i] = getValues ? v : k;
i++;
});
return res;
};
})();
export class MapWrapper {
static clone(m) { return createMapFromMap(m); }
static createFromStringMap(stringMap) {
var result = new Map();
for (var prop in stringMap) {
result.set(prop, stringMap[prop]);
}
return result;
}
static toStringMap(m) {
var r = {};
m.forEach((v, k) => r[k] = v);
return r;
}
static createFromPairs(pairs) { return createMapFromPairs(pairs); }
static clearValues(m) { _clearValues(m); }
static iterable(m) { return m; }
static keys(m) { return _arrayFromMap(m, false); }
static values(m) { return _arrayFromMap(m, true); }
}
/**
* Wraps Javascript Objects
*/
export class StringMapWrapper {
static create() {
// Note: We are not using Object.create(null) here due to
// performance!
// http://jsperf.com/ng2-object-create-null
return {};
}
static contains(map, key) {
return map.hasOwnProperty(key);
}
static get(map, key) {
return map.hasOwnProperty(key) ? map[key] : undefined;
}
static set(map, key, value) { map[key] = value; }
static keys(map) { return Object.keys(map); }
static values(map) {
return Object.keys(map).reduce((r, a) => {
r.push(map[a]);
return r;
}, []);
}
static isEmpty(map) {
for (var prop in map) {
return false;
}
return true;
}
static delete(map, key) { delete map[key]; }
static forEach(map, callback) {
for (var prop in map) {
if (map.hasOwnProperty(prop)) {
callback(map[prop], prop);
}
}
}
static merge(m1, m2) {
var m = {};
for (var attr in m1) {
if (m1.hasOwnProperty(attr)) {
m[attr] = m1[attr];
}
}
for (var attr in m2) {
if (m2.hasOwnProperty(attr)) {
m[attr] = m2[attr];
}
}
return m;
}
static equals(m1, m2) {
var k1 = Object.keys(m1);
var k2 = Object.keys(m2);
if (k1.length != k2.length) {
return false;
}
var key;
for (var i = 0; i < k1.length; i++) {
key = k1[i];
if (m1[key] !== m2[key]) {
return false;
}
}
return true;
}
}
export class ListWrapper {
// JS has no way to express a statically fixed size list, but dart does so we
// keep both methods.
static createFixedSize(size) { return new Array(size); }
static createGrowableSize(size) { return new Array(size); }
static clone(array) { return array.slice(0); }
static forEachWithIndex(array, fn) {
for (var i = 0; i < array.length; i++) {
fn(array[i], i);
}
}
static first(array) {
if (!array)
return null;
return array[0];
}
static last(array) {
if (!array || array.length == 0)
return null;
return array[array.length - 1];
}
static indexOf(array, value, startIndex = 0) {
return array.indexOf(value, startIndex);
}
static contains(list, el) { return list.indexOf(el) !== -1; }
static reversed(array) {
var a = ListWrapper.clone(array);
return a.reverse();
}
static concat(a, b) { return a.concat(b); }
static insert(list, index, value) { list.splice(index, 0, value); }
static removeAt(list, index) {
var res = list[index];
list.splice(index, 1);
return res;
}
static removeAll(list, items) {
for (var i = 0; i < items.length; ++i) {
var index = list.indexOf(items[i]);
list.splice(index, 1);
}
}
static remove(list, el) {
var index = list.indexOf(el);
if (index > -1) {
list.splice(index, 1);
return true;
}
return false;
}
static clear(list) { list.length = 0; }
static isEmpty(list) { return list.length == 0; }
static fill(list, value, start = 0, end = null) {
list.fill(value, start, end === null ? list.length : end);
}
static equals(a, b) {
if (a.length != b.length)
return false;
for (var i = 0; i < a.length; ++i) {
if (a[i] !== b[i])
return false;
}
return true;
}
static slice(l, from = 0, to = null) {
return l.slice(from, to === null ? undefined : to);
}
static splice(l, from, length) { return l.splice(from, length); }
static sort(l, compareFn) {
if (isPresent(compareFn)) {
l.sort(compareFn);
}
else {
l.sort();
}
}
static toString(l) { return l.toString(); }
static toJSON(l) { return JSON.stringify(l); }
static maximum(list, predicate) {
if (list.length == 0) {
return null;
}
var solution = null;
var maxValue = -Infinity;
for (var index = 0; index < list.length; index++) {
var candidate = list[index];
if (isBlank(candidate)) {
continue;
}
var candidateValue = predicate(candidate);
if (candidateValue > maxValue) {
solution = candidate;
maxValue = candidateValue;
}
}
return solution;
}
static flatten(list) {
var target = [];
_flattenArray(list, target);
return target;
}
static addAll(list, source) {
for (var i = 0; i < source.length; i++) {
list.push(source[i]);
}
}
}
function _flattenArray(source, target) {
if (isPresent(source)) {
for (var i = 0; i < source.length; i++) {
var item = source[i];
if (isArray(item)) {
_flattenArray(item, target);
}
else {
target.push(item);
}
}
}
return target;
}
export function isListLikeIterable(obj) {
if (!isJsObject(obj))
return false;
return isArray(obj) ||
(!(obj instanceof Map) &&
getSymbolIterator() in obj); // JS Iterable have a Symbol.iterator prop
}
export function areIterablesEqual(a, b, comparator) {
var iterator1 = a[getSymbolIterator()]();
var iterator2 = b[getSymbolIterator()]();
while (true) {
let item1 = iterator1.next();
let item2 = iterator2.next();
if (item1.done && item2.done)
return true;
if (item1.done || item2.done)
return false;
if (!comparator(item1.value, item2.value))
return false;
}
}
export function iterateListLike(obj, fn) {
if (isArray(obj)) {
for (var i = 0; i < obj.length; i++) {
fn(obj[i]);
}
}
else {
var iterator = obj[getSymbolIterator()]();
var item;
while (!((item = iterator.next()).done)) {
fn(item.value);
}
}
}
// Safari and Internet Explorer do not support the iterable parameter to the
// Set constructor. We work around that by manually adding the items.
var createSetFromList = (function () {
var test = new Set([1, 2, 3]);
if (test.size === 3) {
return function createSetFromList(lst) { return new Set(lst); };
}
else {
return function createSetAndPopulateFromList(lst) {
var res = new Set(lst);
if (res.size !== lst.length) {
for (var i = 0; i < lst.length; i++) {
res.add(lst[i]);
}
}
return res;
};
}
})();
export class SetWrapper {
static createFromList(lst) { return createSetFromList(lst); }
static has(s, key) { return s.has(key); }
static delete(m, k) { m.delete(k); }
}
//# sourceMappingURL=collection.js.map