Primer Commit

assets/libs/jquery-asGradient/src/util.js

@@ -0,0 +1,62 @@
+/* eslint no-extend-native: "off" */
+if (!String.prototype.includes) {
+  String.prototype.includes = function(search, start) {
+    'use strict';
+    if (typeof start !== 'number') {
+      start = 0;
+    }
+
+    if (start + search.length > this.length) {
+      return false;
+    }
+    return this.indexOf(search, start) !== -1;
+  };
+}
+
+export function getPrefix() {
+  const ua = window.navigator.userAgent;
+  let prefix = '';
+  if (/MSIE/g.test(ua)) {
+    prefix = '-ms-';
+  } else if (/Firefox/g.test(ua)) {
+    prefix = '-moz-';
+  } else if (/(WebKit)/i.test(ua)) {
+    prefix = '-webkit-';
+  } else if (/Opera/g.test(ua)) {
+    prefix = '-o-';
+  }
+  return prefix;
+}
+
+export function flip(o) {
+  const flipped = {};
+  for (const i in o) {
+    if (o.hasOwnProperty(i)) {
+      flipped[o[i]] = i;
+    }
+  }
+  return flipped;
+}
+
+export function reverseDirection(direction) {
+  const mapping = {
+    'top': 'bottom',
+    'right': 'left',
+    'bottom': 'top',
+    'left': 'right',
+    'right top': 'left bottom',
+    'top right': 'bottom left',
+    'bottom right': 'top left',
+    'right bottom': 'left top',
+    'left bottom': 'right top',
+    'bottom left': 'top right',
+    'top left': 'bottom right',
+    'left top': 'right bottom'
+  };
+  return mapping.hasOwnProperty(direction) ? mapping[direction] : direction;
+}
+
+export function isDirection(n) {
+  const reg = /^(top|left|right|bottom)$/i;
+  return reg.test(n);
+}