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Commit 1d5e8caf authored by Lukas Eipert's avatar Lukas Eipert
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Remove IE11 specific polyfills 

We are dropping Internet Explorer specific polyfills, as we do not
support the browser since 13.0
parent 2808f734
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Showing with 26 additions and 269 deletions
app/assets/javascripts/commons/polyfills.js
View file @ 1d5e8caf
// Browser polyfills
/**
* Polyfill: fetch
* @what https://fetch.spec.whatwg.org/
* @why Because Apollo GraphQL client relies on fetch
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=fetch
*/
import 'unfetch/polyfill/index';
/**
* Polyfill: FormData APIs
* @what delete(), get(), getAll(), has(), set(), entries(), keys(), values(),
* and support for for...of
* @why Because Apollo GraphQL client relies on fetch
* @browsers Internet Explorer 11, Edge < 18
* @see https://caniuse.com/#feat=mdn-api_formdata and subfeatures
* Polyfill
* @what requestIdleCallback
* @why To align browser features
* @browsers Safari (all versions)
* @see https://caniuse.com/#feat=requestidlecallback
*/
import 'formdata-polyfill';
window.requestIdleCallback =
window.requestIdleCallback ||
function requestShim(cb) {
const start = Date.now();
return setTimeout(() => {
cb({
didTimeout: false,
timeRemaining: () => Math.max(0, 50 - (Date.now() - start)),
});
}, 1);
};
import './polyfills/custom_event';
import './polyfills/element';
import './polyfills/event';
import './polyfills/nodelist';
import './polyfills/request_idle_callback';
import './polyfills/svg';
window.cancelIdleCallback =
window.cancelIdleCallback ||
function cancelShim(id) {
clearTimeout(id);
};
app/assets/javascripts/commons/polyfills/custom_event.js deleted 100644 → 0
View file @ 2808f734
/**
* Polyfill: CustomEvent constructor
* @what new CustomEvent()
* @why Certain features, e.g. notes utilize this
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=customevent
*/
if (typeof window.CustomEvent !== 'function') {
window.CustomEvent = function CustomEvent(event, params) {
const evt = document.createEvent('CustomEvent');
const evtParams = {
bubbles: false,
cancelable: false,
detail: undefined,
...params,
};
evt.initCustomEvent(event, evtParams.bubbles, evtParams.cancelable, evtParams.detail);
return evt;
};
window.CustomEvent.prototype = Event;
}
app/assets/javascripts/commons/polyfills/element.js deleted 100644 → 0
View file @ 2808f734
/**
* Polyfill
* @what Element.classList
* @why In order to align browser features
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=classlist
*/
import 'classlist-polyfill';
/**
* Polyfill
* @what Element.closest
* @why In order to align browser features
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=element-closest
*/
Element.prototype.closest =
Element.prototype.closest ||
function closest(selector, selectedElement = this) {
if (!selectedElement) return null;
return selectedElement.matches(selector)
? selectedElement
: Element.prototype.closest(selector, selectedElement.parentElement);
};
/**
* Polyfill
* @what Element.matches
* @why In order to align browser features
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=mdn-api_element_matches
*/
Element.prototype.matches =
Element.prototype.matches ||
Element.prototype.matchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector ||
Element.prototype.oMatchesSelector ||
Element.prototype.webkitMatchesSelector ||
function matches(selector) {
const elms = (this.document || this.ownerDocument).querySelectorAll(selector);
let i = elms.length - 1;
while (i >= 0 && elms.item(i) !== this) {
i -= 1;
}
return i > -1;
};
/**
* Polyfill
* @what ChildNode.remove, Element.remove, CharacterData.remove, DocumentType.remove
* @why In order to align browser features
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=childnode-remove
*
* From the polyfill on MDN, https://developer.mozilla.org/en-US/docs/Web/API/ChildNode/remove#Polyfill
*/
(arr => {
arr.forEach(item => {
if (Object.prototype.hasOwnProperty.call(item, 'remove')) {
return;
}
Object.defineProperty(item, 'remove', {
configurable: true,
enumerable: true,
writable: true,
value: function remove() {
if (this.parentNode !== null) {
this.parentNode.removeChild(this);
}
},
});
});
})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);
app/assets/javascripts/commons/polyfills/event.js deleted 100644 → 0
View file @ 2808f734
/**
* Polyfill: Event constructor
* @what new Event()
* @why To align browser support
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=mdn-api_event_event
*
* Although `initEvent` is deprecated for modern browsers it is the one supported by IE
*/
if (typeof window.Event !== 'function') {
window.Event = function Event(event, params) {
const evt = document.createEvent('Event');
const evtParams = {
bubbles: false,
cancelable: false,
...params,
};
evt.initEvent(event, evtParams.bubbles, evtParams.cancelable);
return evt;
};
window.Event.prototype = Event;
}
app/assets/javascripts/commons/polyfills/nodelist.js deleted 100644 → 0
View file @ 2808f734
/**
* Polyfill
* @what NodeList.forEach
* @why To align browser support
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=mdn-api_nodelist_foreach
*/
if (window.NodeList && !NodeList.prototype.forEach) {
NodeList.prototype.forEach = function forEach(callback, thisArg = window) {
for (let i = 0; i < this.length; i += 1) {
callback.call(thisArg, this[i], i, this);
}
};
}
app/assets/javascripts/commons/polyfills/request_idle_callback.js deleted 100644 → 0
View file @ 2808f734
/**
* Polyfill
* @what requestIdleCallback
* @why To align browser features
* @browsers Safari (all versions), Internet Explorer 11
* @see https://caniuse.com/#feat=requestidlecallback
*/
window.requestIdleCallback =
window.requestIdleCallback ||
function requestShim(cb) {
const start = Date.now();
return setTimeout(() => {
cb({
didTimeout: false,
timeRemaining: () => Math.max(0, 50 - (Date.now() - start)),
});
}, 1);
};
window.cancelIdleCallback =
window.cancelIdleCallback ||
function cancelShim(id) {
clearTimeout(id);
};
app/assets/javascripts/commons/polyfills/svg.js deleted 100644 → 0
View file @ 2808f734
/**
* polyfill support for external SVG file references via <use xlink:href>
* @what polyfill support for external SVG file references via <use xlink:href>
* @why This is used in our GitLab SVG icon library
* @browsers Internet Explorer 11
* @see https://caniuse.com/#feat=mdn-svg_elements_use_external_uri
* @see https//css-tricks.com/svg-use-external-source/
*/
import svg4everybody from 'svg4everybody';
svg4everybody();
changelogs/unreleased/leipert-remove-ie11-polyfills.yml 0 → 100644
View file @ 1d5e8caf
---
title: Remove Internet Explorer 11 specific polyfills
merge_request: 36830
author:
type: removed
config/dependency_decisions.yml
View file @ 1d5e8caf
......@@ -454,12 +454,6 @@
:why: https://github.com/jaredhanson/utils-merge/blob/v1.0.0/LICENSE
:versions: []
:when: 2017-09-16 05:18:26.193764000 Z
- - :approve
- svg4everybody
- :who: Tim Zallmann
:why: CC0 1.0 - https://github.com/jonathantneal/svg4everybody/blob/master/LICENSE.md
:versions: []
:when: 2017-09-13 17:31:16.425819400 Z
- - :license
- "@gitlab/svgs"
- MIT
......
spec/frontend/polyfills/element_spec.js deleted 100644 → 0
View file @ 2808f734
import '~/commons/polyfills/element';
describe('Element polyfills', () => {
let testContext;
beforeEach(() => {
testContext = {};
});
beforeEach(() => {
testContext.element = document.createElement('ul');
});
describe('matches', () => {
it('returns true if element matches the selector', () => {
expect(testContext.element.matches('ul')).toBeTruthy();
});
it("returns false if element doesn't match the selector", () => {
expect(testContext.element.matches('.not-an-element')).toBeFalsy();
});
});
describe('closest', () => {
beforeEach(() => {
testContext.childElement = document.createElement('li');
testContext.element.appendChild(testContext.childElement);
});
it('returns the closest parent that matches the selector', () => {
expect(testContext.childElement.closest('ul').toString()).toBe(
testContext.element.toString(),
);
});
it('returns itself if it matches the selector', () => {
expect(testContext.childElement.closest('li').toString()).toBe(
testContext.childElement.toString(),
);
});
it('returns undefined if nothing matches the selector', () => {
expect(testContext.childElement.closest('.no-an-element')).toBeFalsy();
});
});
});
vendor/licenses.csv
View file @ 1d5e8caf
......@@ -227,7 +227,6 @@ chunky_png,1.3.5,MIT
cipher-base,1.0.4,MIT
citrus,3.0.2,MIT
class-utils,0.3.6,MIT
classlist-polyfill,1.2.0,Unlicense
cli-cursor,2.1.0,MIT
cli-width,2.1.0,ISC
clipboard,1.7.1,MIT
......@@ -447,7 +446,6 @@ follow-redirects,1.2.6,MIT
font-awesome-rails,4.7.0.1,"MIT,SIL Open Font License"
for-in,1.0.2,MIT
formatador,0.2.5,MIT
formdata-polyfill,3.0.11,MIT
forwarded,0.1.2,MIT
fragment-cache,0.2.1,MIT
fresh,0.5.2,MIT
......@@ -1046,7 +1044,6 @@ strip-json-comments,2.0.1,MIT
style-loader,0.23.0,MIT
supports-color,2.0.0,MIT
supports-color,5.5.0,MIT
svg4everybody,2.1.9,CC0-1.0
symbol-observable,1.2.0,MIT
sys-filesystem,1.1.6,Artistic 2.0
tapable,1.1.0,MIT
......
yarn.lock
View file @ 1d5e8caf
......@@ -2827,11 +2827,6 @@ class-utils@^0.3.5:
isobject "^3.0.0"
static-extend "^0.1.1"
classlist-polyfill@^1.2.0:
version "1.2.0"
resolved "https://registry.yarnpkg.com/classlist-polyfill/-/classlist-polyfill-1.2.0.tgz#935bc2dfd9458a876b279617514638bcaa964a2e"
integrity sha1-k1vC39lFiodrJ5YXUUY4vKqWSi4=
clean-css@^4.1.6, clean-css@^4.2.1:
version "4.2.1"
resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.1.tgz#2d411ef76b8569b6d0c84068dabe85b0aa5e5c17"
......@@ -5165,11 +5160,6 @@ format@^0.2.2:
resolved "https://registry.yarnpkg.com/format/-/format-0.2.2.tgz#d6170107e9efdc4ed30c9dc39016df942b5cb58b"
integrity sha1-1hcBB+nv3E7TDJ3DkBbflCtctYs=
formdata-polyfill@^3.0.19:
version "3.0.19"
resolved "https://registry.yarnpkg.com/formdata-polyfill/-/formdata-polyfill-3.0.19.tgz#72f517db3a646a5dd8c31af0edf111fd8f1e4cee"
integrity sha512-nRSp8nniopIOCLZOUE2omwnUvmRH6VEdKm52rLTne8XBsW7hMMBUiOjuxUPoBsiK0CatKmxArh+Svt2s7R66JQ==
forwarded@~0.1.2:
version "0.1.2"
resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
......@@ -11206,11 +11196,6 @@ svg-tags@^1.0.0:
resolved "https://registry.yarnpkg.com/svg-tags/-/svg-tags-1.0.0.tgz#58f71cee3bd519b59d4b2a843b6c7de64ac04764"
integrity sha1-WPcc7jvVGbWdSyqEO2x95krAR2Q=
svg4everybody@2.1.9:
version "2.1.9"
resolved "https://registry.yarnpkg.com/svg4everybody/-/svg4everybody-2.1.9.tgz#5bd9f6defc133859a044646d4743fabc28db7e2d"
integrity sha1-W9n23vwTOFmgRGRtR0P6vCjbfi0=
swagger-ui-dist@^3.26.2:
version "3.26.2"
resolved "https://registry.yarnpkg.com/swagger-ui-dist/-/swagger-ui-dist-3.26.2.tgz#22c700906c8911b1c9956da6c3fca371dba6219f"
......@@ -11736,11 +11721,6 @@ underscore@~1.8.3:
resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
unfetch@^4.1.0:
version "4.1.0"
resolved "https://registry.yarnpkg.com/unfetch/-/unfetch-4.1.0.tgz#6ec2dd0de887e58a4dee83a050ded80ffc4137db"
integrity sha512-crP/n3eAPUJxZXM9T80/yv0YhkTEx2K1D3h7D1AJM6fzsWZrxdyRuLN0JH/dkZh1LNH8LxCnBzoPFCPbb2iGpg==
unherit@^1.0.4:
version "1.1.1"
resolved "https://registry.yarnpkg.com/unherit/-/unherit-1.1.1.tgz#132748da3e88eab767e08fabfbb89c5e9d28628c"
......
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