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Issue #3238995 by cola: remove jquery dependency

Closed Issue #3238995 by cola: remove jquery dependency
issue/extlink-3238995:3238995-remove-jquery-dependency into 2.0.x
Closed Nikolay Grachev requested to merge issue/extlink-3238995:3238995-remove-jquery-dependency into 2.0.x
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4
js/extlink.js
+ 104
− 93
@@ -2,15 +2,16 @@
* @file
* External links js file.
*/
(function ($, Drupal, drupalSettings) {
((Drupal, drupalSettings) => {
Drupal.extlink = Drupal.extlink || {};
Drupal.extlink.attach = function (context, drupalSettings) {
Drupal.extlink.attach = (context, drupalSettings) => {
if (typeof drupalSettings.data === 'undefined' || !drupalSettings.data.hasOwnProperty('extlink')) {
return;
}
// Define the jQuery method (either 'append' or 'prepend') of placing the
// Define the method (either 'append' or 'prepend') of placing the
// icon, defaults to 'append'.
let extIconPlacement = 'append';
if (drupalSettings.data.extlink.extIconPlacement && drupalSettings.data.extlink.extIconPlacement !== '0') {
@@ -72,27 +73,25 @@
// to ftp://, javascript:, etc. other kinds of links.
// When operating on the 'this' variable, the host has been appended to
// all links by the browser, even local ones.
// In jQuery 1.1 and higher, we'd use a filter method here, but it is not
// available in jQuery 1.0 (Drupal 5 default).
const externalLinks = [];
let externalLinks = [];
const mailtoLinks = [];
$('a:not([data-extlink]), area:not([data-extlink])', context).each(function (el) {
const extlinks = context.querySelectorAll('a:not([data-extlink]), area:not([data-extlink])');
extlinks.forEach((el) => {
try {
let url = '';
if (typeof this.href === 'string') {
url = this.href.toLowerCase();
if (typeof el.href === 'string') {
url = el.href.toLowerCase();
}
// Handle SVG links (xlink:href).
else if (typeof this.href === 'object') {
url = this.href.baseVal;
else if (typeof el.href === 'object') {
url = el.href.baseVal;
}
if (
url.indexOf('http') === 0 &&
((!internalLink.test(url) && !(extExclude && extExclude.test(url))) || (extInclude && extInclude.test(url))) &&
// eslint-disable-next-line jquery/no-is
!(extCssExclude && $(this).is(extCssExclude)) &&
!(extCssExclude && $(this).parents(extCssExclude).length > 0) &&
!(extCssExplicit && $(this).parents(extCssExplicit).length < 1)
!(extCssExclude && el.matches(extCssExclude)) &&
!(extCssExclude && el.closest(extCssExclude)) &&
!(extCssExplicit && !el.closest(extCssExplicit))
) {
let match = false;
if (whitelistedDomains) {
@@ -104,20 +103,13 @@
}
}
if (!match) {
externalLinks.push(this);
externalLinks.push(el);
}
}
// Do not include area tags with begin with mailto: (this prohibits
// icons from being added to image-maps).
else if (
this.tagName !== 'AREA' &&
url.indexOf('mailto:') === 0 &&
// eslint-disable-next-line jquery/no-is
!(extCssExclude && $(this).is(extCssExclude)) &&
!(extCssExclude && $(this).parents(extCssExclude).length > 0) &&
!(extCssExplicit && $(this).parents(extCssExplicit).length < 1)
) {
mailtoLinks.push(this);
else if (el.tagName !== 'AREA' && url.indexOf('mailto:') === 0 && !(extCssExclude && el.closest(extCssExclude)) && !(extCssExplicit && !el.closest(extCssExplicit))) {
mailtoLinks.push(el);
}
} catch (error) {
// IE7 throws errors often when dealing with irregular links, such as:
@@ -136,41 +128,46 @@
}
if (drupalSettings.data.extlink.extTarget) {
// Apply the target attribute to all links.
$(externalLinks)
.filter(function () {
// Filter out links with target set if option specified.
// eslint-disable-next-line jquery/no-is
return !(drupalSettings.data.extlink.extTargetNoOverride && $(this).is('a[target]'));
})
.attr({ target: '_blank' });
// Add target attr to open link in a new tab if not set.
externalLinks.forEach((link, i) => {
if (!(drupalSettings.data.extlink.extTargetNoOverride && link.matches('a[target]'))) {
externalLinks[i].setAttribute('target', '_blank');
}
});
// Add noopener rel attribute to combat phishing.
$(externalLinks).attr('rel', function (i, val) {
externalLinks.forEach((link, i) => {
const val = link.getAttribute('rel');
// If no rel attribute is present, create one with the value noopener.
if (val === null || typeof val === 'undefined') {
return 'noopener';
externalLinks[i].setAttribute('rel', 'noopener');
return;
}
// Check to see if rel contains noopener. Add what doesn't exist.
if (val.indexOf('noopener') > -1) {
if (val.indexOf('noopener') === -1) {
return `${val} noopener`;
// Add noopener.
externalLinks[i].setAttribute('rel', `${val} noopener`);
} else {
// Noopener exists. Nothing needs to be added.
}
// Noopener exists. Nothing needs to be added.
return val;
}
// Else, append noopener to val.
return `${val} noopener`;
else {
// Add noopener.
externalLinks[i].setAttribute('rel', `${val} noopener`);
}
});
}
if (drupalSettings.data.extlink.extNofollow) {
$(externalLinks).attr('rel', function (i, val) {
externalLinks.forEach((link, i) => {
const val = link.getAttribute('rel');
// When the link does not have a rel attribute set it to 'nofollow'.
if (val === null || typeof val === 'undefined') {
return 'nofollow';
externalLinks[i].setAttribute('rel', 'nofollow');
return;
}
let target = 'nofollow';
// Change the target, if not overriding follow.
@@ -178,41 +175,47 @@
target = 'follow';
}
if (val.indexOf(target) === -1) {
return `${val} nofollow`;
// Add nofollow.
externalLinks[i].setAttribute('rel', `${val} nofollow`);
}
return val;
});
}
if (drupalSettings.data.extlink.extNoreferrer) {
$(externalLinks).attr('rel', function (i, val) {
externalLinks.forEach((link, i) => {
const val = link.getAttribute('rel');
// When the link does not have a rel attribute set it to 'noreferrer'.
if (val === null || typeof val === 'undefined') {
return 'noreferrer';
externalLinks[i].setAttribute('rel', 'noreferrer');
return;
}
if (val.indexOf('noreferrer') === -1) {
return `${val} noreferrer`;
}
return val;
// Add nofollow.
externalLinks[i].setAttribute('rel', `${val} noreferrer`);
});
}
/* eslint:disable:no-empty */
Drupal.extlink = Drupal.extlink || {};
// Set up default click function for the external links popup. This should be
// overridden by modules wanting to alter the popup.
Drupal.extlink.popupClickHandler =
Drupal.extlink.popupClickHandler ||
function () {
(() => {
if (drupalSettings.data.extlink.extAlert) {
// eslint-disable-next-line no-restricted-globals
return confirm(drupalSettings.data.extlink.extAlertText);
}
};
});
$(externalLinks).off('click.extlink');
$(externalLinks).on('click.extlink', function (e) {
return Drupal.extlink.popupClickHandler(e, this);
const _that = this;
externalLinks.forEach((val, i) => {
externalLinks[i].removeEventListener('click', () => {
return Drupal.extlink.popupClickHandler.call(_that);
});
externalLinks[i].addEventListener('click', () => {
return Drupal.extlink.popupClickHandler.call(_that);
});
});
};
@@ -226,59 +229,67 @@
* @param {string} iconPlacement
* 'append' or 'prepend' the icon to the link.
*/
Drupal.extlink.applyClassAndSpan = function (links, className, iconPlacement) {
let $linksToProcess;
Drupal.extlink.applyClassAndSpan = (links, className, iconPlacement) => {
let linksToProcess;
if (drupalSettings.data.extlink.extImgClass) {
$linksToProcess = $(links);
linksToProcess = links;
} else {
const linksWithImages = $(links).find('img, svg').parents('a');
$linksToProcess = $(links).not(linksWithImages);
// Only text links.
linksToProcess = links.filter((link) => {
return link.querySelector('img, svg') === null;
});
}
if (className !== '0') {
$linksToProcess.addClass(className);
}
for (let i = 0; i < linksToProcess.length; i++) {
if (className !== '0') {
linksToProcess[i].classList.add(className);
}
// Additional classes:
if (className === drupalSettings.data.extlink.mailtoClass && drupalSettings.data.extlink.extAdditionalMailtoClasses) {
// Is mail link:
$linksToProcess.addClass(drupalSettings.data.extlink.extAdditionalMailtoClasses);
} else if (drupalSettings.data.extlink.extAdditionalLinkClasses) {
// Is regular external link:
$linksToProcess.addClass(drupalSettings.data.extlink.extAdditionalLinkClasses);
}
// Additional classes:
if (className === drupalSettings.data.extlink.mailtoClass && drupalSettings.data.extlink.extAdditionalMailtoClasses) {
// Is mail link:
linksToProcess[i].classList.add(drupalSettings.data.extlink.extAdditionalMailtoClasses);
} else if (drupalSettings.data.extlink.extAdditionalLinkClasses) {
// Is regular external link:
linksToProcess[i].classList.add(drupalSettings.data.extlink.extAdditionalLinkClasses);
}
// Add data-extlink attribute.
$linksToProcess.attr('data-extlink', '');
// Add data-extlink attribute.
linksToProcess[i].setAttribute('data-extlink', '');
let i;
const length = $linksToProcess.length;
for (i = 0; i < length; i++) {
const $link = $($linksToProcess[i]);
const link = linksToProcess[i];
// Create an icon element.
let iconElement;
if (drupalSettings.data.extlink.extUseFontAwesome) {
iconElement = document.createElement('span');
iconElement.setAttribute('class', `fa-${className} extlink`);
if (className === drupalSettings.data.extlink.mailtoClass) {
$link[iconPlacement](
`<span class="fa-${className} extlink"><span class="${drupalSettings.data.extlink.extFaMailtoClasses}" aria-label="${drupalSettings.data.extlink.mailtoLabel}"></span></span>`,
);
iconElement.innerHTML = `<span class="${drupalSettings.data.extlink.extFaMailtoClasses}" aria-label="${drupalSettings.data.extlink.mailtoLabel}"></span>`;
} else {
$link[iconPlacement](
`<span class="fa-${className} extlink"><span class="${drupalSettings.data.extlink.extFaLinkClasses}" aria-label="${drupalSettings.data.extlink.extLabel}"></span></span>`,
);
iconElement.innerHTML = `<span class="${drupalSettings.data.extlink.extFaLinkClasses}" aria-label="${drupalSettings.data.extlink.extLabel}"></span>`;
}
} else if (className === drupalSettings.data.extlink.mailtoClass) {
$link[iconPlacement](
`<svg focusable="false" class="${className}" role="img" aria-label="${drupalSettings.data.extlink.mailtoLabel}" aria-hidden="${drupalSettings.data.extlink.extHideIcons}" xmlns="http://www.w3.org/2000/svg" viewBox="0 10 70 20"><metadata><sfw xmlns="http://ns.adobe.com/SaveForWeb/1.0/"><sliceSourceBounds y="-8160" x="-8165" width="16389" height="16384" bottomLeftOrigin="true"/><optimizationSettings><targetSettings targetSettingsID="0" fileFormat="PNG24Format"><PNG24Format transparency="true" filtered="false" interlaced="false" noMatteColor="false" matteColor="#FFFFFF"/></targetSettings></optimizationSettings></sfw></metadata><title>${drupalSettings.data.extlink.mailtoLabel}</title><path d="M56 14H8c-1.1 0-2 0.9-2 2v32c0 1.1 0.9 2 2 2h48c1.1 0 2-0.9 2-2V16C58 14.9 57.1 14 56 14zM50.5 18L32 33.4 13.5 18H50.5zM10 46V20.3l20.7 17.3C31.1 37.8 31.5 38 32 38s0.9-0.2 1.3-0.5L54 20.3V46H10z"/></svg>`,
);
} else {
$link[iconPlacement](
`<svg focusable="false" class="${className}" role="img" aria-label="${drupalSettings.data.extlink.extLabel}" aria-hidden="${drupalSettings.data.extlink.extHideIcons}" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 40"><metadata><sfw xmlns="http://ns.adobe.com/SaveForWeb/1.0/"><sliceSourceBounds y="-8160" x="-8165" width="16389" height="16384" bottomLeftOrigin="true"/><optimizationSettings><targetSettings targetSettingsID="0" fileFormat="PNG24Format"><PNG24Format transparency="true" filtered="false" interlaced="false" noMatteColor="false" matteColor="#FFFFFF"/></targetSettings></optimizationSettings></sfw></metadata><title>${drupalSettings.data.extlink.extLabel}</title><path d="M48 26c-1.1 0-2 0.9-2 2v26H10V18h26c1.1 0 2-0.9 2-2s-0.9-2-2-2H8c-1.1 0-2 0.9-2 2v40c0 1.1 0.9 2 2 2h40c1.1 0 2-0.9 2-2V28C50 26.9 49.1 26 48 26z"/><path d="M56 6H44c-1.1 0-2 0.9-2 2s0.9 2 2 2h7.2L30.6 30.6c-0.8 0.8-0.8 2 0 2.8C31 33.8 31.5 34 32 34s1-0.2 1.4-0.6L54 12.8V20c0 1.1 0.9 2 2 2s2-0.9 2-2V8C58 6.9 57.1 6 56 6z"/></svg>`,
);
iconElement = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
iconElement.setAttribute('focusable', 'false');
iconElement.classList.add(className);
iconElement.setAttribute('role', 'img');
iconElement.setAttribute('aria-hidden', drupalSettings.data.extlink.extHideIcons);
if (className === drupalSettings.data.extlink.mailtoClass) {
iconElement.setAttribute('aria-label', drupalSettings.data.extlink.mailtoLabel);
iconElement.setAttribute('viewBox', '0 10 70 20');
iconElement.innerHTML = `<metadata><sfw xmlns="http://ns.adobe.com/SaveForWeb/1.0/"><sliceSourceBounds y="-8160" x="-8165" width="16389" height="16384" bottomLeftOrigin="true"/><optimizationSettings><targetSettings targetSettingsID="0" fileFormat="PNG24Format"><PNG24Format transparency="true" filtered="false" interlaced="false" noMatteColor="false" matteColor="#FFFFFF"/></targetSettings></optimizationSettings></sfw></metadata><title>${drupalSettings.data.extlink.mailtoLabel}</title><path d="M56 14H8c-1.1 0-2 0.9-2 2v32c0 1.1 0.9 2 2 2h48c1.1 0 2-0.9 2-2V16C58 14.9 57.1 14 56 14zM50.5 18L32 33.4 13.5 18H50.5zM10 46V20.3l20.7 17.3C31.1 37.8 31.5 38 32 38s0.9-0.2 1.3-0.5L54 20.3V46H10z"/>`;
} else {
iconElement.setAttribute('aria-label', drupalSettings.data.extlink.extLabel);
iconElement.setAttribute('viewBox', '0 0 80 40');
iconElement.innerHTML = `<metadata><sfw xmlns="http://ns.adobe.com/SaveForWeb/1.0/"><sliceSourceBounds y="-8160" x="-8165" width="16389" height="16384" bottomLeftOrigin="true"/><optimizationSettings><targetSettings targetSettingsID="0" fileFormat="PNG24Format"><PNG24Format transparency="true" filtered="false" interlaced="false" noMatteColor="false" matteColor="#FFFFFF"/></targetSettings></optimizationSettings></sfw></metadata><title>${drupalSettings.data.extlink.extLabel}</title><path d="M48 26c-1.1 0-2 0.9-2 2v26H10V18h26c1.1 0 2-0.9 2-2s-0.9-2-2-2H8c-1.1 0-2 0.9-2 2v40c0 1.1 0.9 2 2 2h40c1.1 0 2-0.9 2-2V28C50 26.9 49.1 26 48 26z"/><path d="M56 6H44c-1.1 0-2 0.9-2 2s0.9 2 2 2h7.2L30.6 30.6c-0.8 0.8-0.8 2 0 2.8C31 33.8 31.5 34 32 34s1-0.2 1.4-0.6L54 12.8V20c0 1.1 0.9 2 2 2s2-0.9 2-2V8C58 6.9 57.1 6 56 6z"/>`;
}
}
link[iconPlacement](iconElement);
}
};
Drupal.behaviors.extlink = Drupal.behaviors.extlink || {};
Drupal.behaviors.extlink.attach = function (context, drupalSettings) {
Drupal.behaviors.extlink.attach = (context, drupalSettings) => {
// Backwards compatibility, for the benefit of modules overriding extlink
// functionality by defining an "extlinkAttach" global function.
if (typeof extlinkAttach === 'function') {
@@ -288,4 +299,4 @@
Drupal.extlink.attach(context, drupalSettings);
}
};
})(jQuery, Drupal, drupalSettings);
})(Drupal, drupalSettings);