1 files changed, 96 insertions, 0 deletions
diff --git a/assets/js/core/utils.js b/assets/js/core/utils.js
new file mode 100644
index 00000000..a3683122
--- /dev/null
+++ b/assets/js/core/utils.js
@@ -0,0 +1,96 @@
+KB.utils.formatDuration = function (d) {
+    if (d >= 86400) {
+        return Math.round(d/86400) + "d";
+    }
+    else if (d >= 3600) {
+        return Math.round(d/3600) + "h";
+    }
+    else if (d >= 60) {
+        return Math.round(d/60) + "m";
+    }
+
+    return d + "s";
+};
+
+KB.utils.getSelectionPosition = function (element) {
+    var selectionStart, selectionEnd;
+
+    if (element.value.length < element.selectionStart) {
+        selectionStart = element.value.length;
+    } else {
+        selectionStart = element.selectionStart;
+    }
+
+    if (element.selectionStart === element.selectionEnd) {
+        selectionEnd = selectionStart;
+    } else {
+        selectionEnd = element.selectionEnd;
+    }
+
+    return {
+        selectionStart: selectionStart,
+        selectionEnd: selectionEnd
+    };
+};
+
+KB.utils.arraysIdentical = function (a, b) {
+    var i = a.length;
+
+    if (i !== b.length) {
+        return false;
+    }
+
+    while (i--) {
+        if (a[i] !== b[i]) {
+            return false;
+        }
+    }
+
+    return true;
+};
+
+KB.utils.arraysStartsWith = function (array1, array2) {
+    var length = Math.min(array1.length, array2.length);
+
+    for (var i = 0; i < length; i++) {
+        if (array1[i] !== array2[i]) {
+            return false;
+        }
+    }
+
+    return true;
+};
+
+KB.utils.isInputField = function (event) {
+    var element = event.target;
+
+    return !!(element.tagName === 'INPUT' ||
+    element.tagName === 'SELECT' ||
+    element.tagName === 'TEXTAREA' ||
+    element.isContentEditable);
+};
+
+KB.utils.getKey = function (e) {
+    var mapping = {
+        'Esc': 'Escape',
+        'Up': 'ArrowUp',
+        'Down': 'ArrowDown',
+        'Left': 'ArrowLeft',
+        'Right': 'ArrowRight'
+    };
+
+    for (var key in mapping) {
+        if (mapping.hasOwnProperty(key) && key === e.key) {
+            return mapping[key];
+        }
+    }
+
+    return e.key;
+};
+
+KB.utils.getViewportSize = function () {
+    return {
+        width: Math.max(document.documentElement.clientWidth, window.innerWidth || 0),
+        height: Math.max(document.documentElement.clientHeight, window.innerHeight || 0)
+    };
+};