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Places an eye-icon at the right side of every password field. Clicking this icon toggles the display of all passwords between •••• and text.(submitting a form will allways revert the fields to type=password, to make sure no auto-completion information is stored for these fields by your browser.)
//
// ==UserScript==
// @name Toggle Passwords
// @namespace http://jaron.nl/
// @description Places an eye-icon at the right side of every password field. Clicking this icon toggles the display of all passwords between •••• and text.(submitting a form will allways revert the fields to type=password, to make sure no auto-completion information is stored for these fields by your browser.)
// @version 2.0.6
// @include *
// @exclude
// ==/UserScript==
(() => {
const hideIconUrl = 'data:image/svg+xml;utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 90 60"><path d="M45 15c-2.8 0-5.3.8-7.6 2.1 1.3 1.1 2.1 2.7 2.1 4.5 0 3.2-2.6 5.8-5.8 5.8-1.2 0-2.4-.4-3.3-1-.2 1.1-.4 2.3-.4 3.6 0 8.3 6.7 15 15 15s15-6.7 15-15-6.7-15-15-15z"/><g stroke="black" stroke-width="7" stroke-miterlimit="10"><path fill="none" stroke-linecap="round" d="M5 55L85 5"/><path d="M85 30S67.1 55 45 55 5 30 5 30 22.9 5 45 5s40 25 40 25z" fill="none"/></g></svg>';
const showIconUrl = 'data:image/svg+xml;utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 90 60"><style></style><g id="Layer_4"><path d="M85 30S67.1 55 45 55 5 30 5 30 22.9 5 45 5s40 25 40 25z" fill="none" stroke="black" stroke-width="7" stroke-miterlimit="10"/><path d="M45 15c-2.8 0-5.3.8-7.6 2.1 1.3 1.1 2.1 2.7 2.1 4.5 0 3.2-2.6 5.8-5.8 5.8-1.2 0-2.4-.4-3.3-1-.2 1.1-.4 2.3-.4 3.6 0 8.3 6.7 15 15 15s15-6.7 15-15-6.7-15-15-15z"/></g></svg>'
const css = `
.tggl-pw {
--icon-width: 18px;
--icon-height: calc(2 * var(--icon-width) / 3);
--pd-v: 10px;
--pd-h: 15px;
position: relative;
display: inline-block;
border-radius: 5px;
background: white;
vertical-align: middle;
}
.tggl-pw__btn {
--hide-icon: url('${hideIconUrl}');
--show-icon: url('${showIconUrl}');
position: absolute;
z-index: 1;
top: 50%;
right: 5px;
width: 100%;
height: 100%;
border: none;
border-radius: 3px;
padding: var(--pd-v) var(--pd-h);
width: 0;
height: 0;
transform: translateY(-50%);
cursor: pointer;
background: var(--show-icon) center center no-repeat;
background-size: var(--icon-width) var(--icon-height);
background-color: white;
opacity: 0.5;
transition: opacity 0.3s ease-in-out;
}
.tggl-pw__btn:hover,
.tggl-pw__btn:focus {
opacity: 0.8;
}
.tggl-pw__btn:hover {
outline: none;
}
.tggl-pw__btn--hide {
background-image: var(--hide-icon);
}
`;
let pwFields = [];
let allToggleBtns = [];
let stylesAdded = false;
const attributes = {
id: 'data-toggl-pw-id',
form: 'data-toggl-pw-form'
};
/**
* add a toggle to a password field
* @returns {undefined}
*/
const addToggle = function(pwField) {
const span = document.createElement('span');
const btn = document.createElement('button');
const id = Math.floor(1000000 * Math.random());
pwField.setAttribute(attributes.id, id);
span.classList.add('tggl-pw');
btn.classList.add('tggl-pw__btn');
btn.type = 'button';
btn.title = 'toggle all password fields';
btn.setAttribute(attributes.id, id);
btn.tabIndex = -1;
span.appendChild(btn);
btn.addEventListener('click', toggleAllFields);
pwField.after(span);
allToggleBtns.push(btn);
};
/**
* toggle all password fields
* @returns {undefined}
*/
const toggleAllFields = function(e) {
let newType;
const tgtId = e.target.getAttribute(attributes.id);
pwFields.forEach((pwField) => {
if (!newType) {
// when we get to first field; this will determine all field's new type
newType = (pwField.type === 'password') ? 'text' : 'password';
}
pwField.type = newType;
allToggleBtns.forEach((btn) => {
if (pwField.type === 'password') {
btn.classList.remove('tggl-pw__btn--hide');
} else {
btn.classList.add('tggl-pw__btn--hide');
}
});
});
if (newType === 'text') {
document.querySelector(`[data-toggl-pw-id="${tgtId}"]`).select();
}
};
/**
* reset all password fields to type password
* @returns {undefined}
*/
const resetAllPwFields = function(e) {
pwFields.forEach(pwField => { pwField.type = 'password'; })
};
/**
* initialize
* @returns {undefined}
*/
const init = function(isFirstRun = true) {
pwFields = document.querySelectorAll(`input[type='password']`) ;
if (pwFields.length > 0) {
pwFields.forEach((pwField) => {
if (pwField.getAttribute(attributes.id) === null) {
// on second run, only add new fields
addToggle(pwField);
const currForm = pwField.closest('form');
if (currForm && currForm.getAttribute(attributes.form) !== 'true') {
currForm.addEventListener('submit', resetAllPwFields);
currForm.setAttribute(attributes.form, true);
}
}
});
if (!stylesAdded) {
// don't add styles again on second run if they had already been added on first run
const styles = document.createElement('style');
styles.innerHTML = css;
document.querySelector('head').appendChild(styles);
stylesAdded = true;
}
}
if (isFirstRun) {
// sometimes password field get inserted by script, so they may not yet be present yet. re-run init again in 1000ms to catch those cases too
setTimeout(() => { init(false); }, 1000);
}
};
init();
})();