chore(*): replace setImmediate and remove core-js-pure

LICENSE

@@ -2,6 +2,9 @@ This is a commercial product, requiring a valid paid-for license for commercial
 This product is free to use for non-commercial educational use for students in K through 12 grades
 or University programs, and for educators to use in a classroom setting as examples / tools in their curriculum.
 
+This repository includes files originally copied from https://github.com/zloirock/core-js
+under setImmediate.ts. The original versions of the files are MIT licensed. See the file headers for details.
+
 In order for us to verify your eligibility for free usage, please register for trial at
 https://Infragistics.com/Angular and open a support ticket with a request for free license.
 

package.json

@@ -56,7 +56,6 @@
     "@types/source-map": "0.5.2",
     "classlist.js": "^1.1.20150312",
     "core-js": "^2.6.11",
-    "core-js-pure": "^3.6.5",
     "hammerjs": "^2.0.8",
     "igniteui-trial-watermark": "^1.0.3",
     "jszip": "^3.5.0",

projects/igniteui-angular/package.json

@@ -67,7 +67,6 @@
     ],
     "dependencies": {
         "@types/hammerjs": "^2.0.36",
-        "core-js-pure": "^3.6.5",
         "hammerjs": "^2.0.8",
         "jszip": "^3.5.0",
         "tslib": "^2.0.0",

projects/igniteui-angular/src/lib/core/setImmediate.ts

@@ -0,0 +1,69 @@
+/* Copyright (c) 2014-2020 Denis Pushkarev
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE
+ */
+
+// Note: Originally copied from core-js-pure package and modified. (https://github.com/zloirock/core-js)
+const windowLocation = window.location;
+let counter = 0;
+const queue = {};
+
+const run = function (id) {
+    if (queue.hasOwnProperty(id)) {
+        const fn = queue[id];
+        delete queue[id];
+        fn();
+    }
+};
+
+const listener = function (event) {
+    run(event.data);
+};
+
+export function setImmediate(cb: any) {
+    if (window.setImmediate) {
+        window.setImmediate(cb);
+        return;
+    }
+
+    const args = [];
+    let i = 1;
+
+    while (arguments.length > i) {
+        args.push(arguments[i++]);
+    }
+
+    queue[++counter] = function () {
+        (typeof cb === 'function' ? cb : Function(cb)).apply(undefined, args);
+    };
+
+    window.postMessage(counter + '', windowLocation.protocol + '//' + windowLocation.host);
+    window.addEventListener('message', listener, false);
+
+    return counter;
+}
+
+export function clearImmediate(id: any) {
+    if (window.clearImmediate) {
+        window.clearImmediate(id);
+        return;
+    }
+
+    delete queue[id];
+}

projects/igniteui-angular/src/lib/core/utils.ts

@@ -2,7 +2,7 @@ import { Injectable, PLATFORM_ID, Inject } from '@angular/core';
 import { isPlatformBrowser } from '@angular/common';
 import { Observable } from 'rxjs';
 import ResizeObserver from 'resize-observer-polyfill';
-import { setImmediate } from 'core-js-pure';
+import { setImmediate } from './setImmediate';
 import merge from 'lodash.merge';
 
 /**