perf(platform): remove from critical path

core/src/utils/platform.ts

@@ -0,0 +1,78 @@
+
+export function isIpad(win: Window) {
+  return testUserAgent(win, /iPad/i);
+}
+
+export function isIphone(win: Window) {
+  return testUserAgent(win, /iPhone/i);
+}
+
+export function isIOS(win: Window) {
+  return testUserAgent(win, /iPad|iPhone|iPod/i);
+}
+
+export function isAndroid(win: Window) {
+  return !isIOS(win);
+}
+
+export function isPhablet(win: Window) {
+  const width = win.innerWidth;
+  const height = win.innerHeight;
+  const smallest = Math.min(width, height);
+  const largest = Math.max(width, height);
+
+  return (smallest > 390 && smallest < 520) &&
+    (largest > 620 && largest < 800);
+}
+
+export function isTablet(win: Window) {
+  const width = win.innerWidth;
+  const height = win.innerHeight;
+  const smallest = Math.min(width, height);
+  const largest = Math.max(width, height);
+  return (smallest > 460 && smallest < 820) &&
+    (largest > 780 && largest < 1400);
+}
+
+export function isDevice(win: Window) {
+  return win.matchMedia('(any-pointer:coarse)').matches;
+}
+
+export function isHybrid(win: Window) {
+  return isCordova(win) || isCapacitor(win);
+}
+
+export function isCordova(window: Window): boolean {
+  const win = window as any;
+  return !!(win['cordova'] || win['phonegap'] || win['PhoneGap']);
+}
+
+export function isCapacitor(window: Window): boolean {
+  const win = window as any;
+  return !!(win['Capacitor']);
+}
+
+export function isElectron(win: Window): boolean {
+  return testUserAgent(win, /electron/);
+}
+
+export function needInputShims(win: Window) {
+  return isIOS(win) && isDevice(win);
+}
+
+export function testUserAgent(win: Window, expr: RegExp) {
+  return expr.test(win.navigator.userAgent);
+}
+
+export function configFromURL(win: Window) {
+  const config: any = {};
+  win.location.search.slice(1)
+    .split('&')
+    .filter(entryText => entryText.startsWith('ionic:'))
+    .map(entryText => entryText.split('='))
+    .forEach(entry => {
+      config[entry[0].slice(6)] = decodeURIComponent(entry[1]);
+    });
+
+  return config;
+}