Initial project scaffolding

packages/dev-tools-pages/ts/utils/utils.ts

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+import * as bowser from 'bowser';
+import * as _ from 'lodash';
+
+export const utils = {
+    getColSize(items: number): number {
+        const bassCssGridSize = 12; // Source: http://basscss.com/#basscss-grid
+        const colSize = bassCssGridSize / items;
+        if (!_.isInteger(colSize)) {
+            throw new Error(`Number of cols must be divisible by ${bassCssGridSize}`);
+        }
+        return colSize;
+    },
+    getCurrentBaseUrl(): string {
+        const port = window.location.port;
+        const hasPort = !_.isUndefined(port);
+        const baseUrl = `https://${window.location.hostname}${hasPort ? `:${port}` : ''}`;
+        return baseUrl;
+    },
+    onPageLoadPromise: new Promise<void>((resolve, _reject) => {
+        if (document.readyState === 'complete') {
+            resolve();
+            return;
+        }
+        window.onload = () => resolve();
+    }),
+    openUrl(url: string): void {
+        window.open(url, '_blank');
+    },
+    isMobileOperatingSystem(): boolean {
+        return bowser.mobile;
+    },
+};