61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
(function(window) {
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"use strict";
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window.ls.container.get("view").add({
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selector: "data-forms-password-meter",
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controller: function(element, window) {
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var calc = function(password) {
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var score = 0;
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if (!password) return score;
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// award every unique letter until 5 repetitions
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var letters = new window.Object();
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for (var i = 0; i < password.length; i++) {
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letters[password[i]] = (letters[password[i]] || 0) + 1;
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score += 5.0 / letters[password[i]];
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}
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// bonus points for mixing it up
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var variations = {
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digits: /\d/.test(password),
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lower: /[a-z]/.test(password),
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upper: /[A-Z]/.test(password),
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nonWords: /\W/.test(password)
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};
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var variationCount = 0;
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for (var check in variations) {
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if (variations.hasOwnProperty(check)) {
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variationCount += variations[check] === true ? 1 : 0;
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}
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}
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score += (variationCount - 1) * 10;
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return parseInt(score);
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};
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var callback = function() {
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var score = calc(this.value);
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if ("" === this.value) return (meter.className = "password-meter");
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if (score > 60) return (meter.className = "password-meter strong");
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if (score > 30) return (meter.className = "password-meter medium");
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if (score >= 0) return (meter.className = "password-meter weak");
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};
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var meter = window.document.createElement("div");
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meter.className = "password-meter";
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element.parentNode.insertBefore(meter, element.nextSibling);
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element.addEventListener("change", callback);
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element.addEventListener("keypress", callback);
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element.addEventListener("keyup", callback);
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element.addEventListener("keydown", callback);
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}
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});
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})(window);
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