Minor lint tweaks and rules cleanup

.eslintrc.json

@@ -102,7 +102,6 @@
     "no-shadow": "off",
     "no-shadow-restricted-names": "error",
     "no-undef-init": "error",
-    "no-undefined": "error",
     "no-use-before-define": "off",
 
     // Node.js and CommonJS
@@ -112,7 +111,6 @@
     "no-mixed-requires": "error",
     "no-new-require": "error",
     "no-path-concat": "error",
-    "no-process-env": "error",
     "no-process-exit": "error",
     "no-restricted-modules": "error",
     "no-sync": "error",

build/.eslintrc.json

@@ -12,7 +12,6 @@
     "func-style": "off",
     "no-console": "off",
     "no-magic-numbers": "off",
-    "no-process-env": "off",
     "no-process-exit": "off",
     "no-sync": "off",
     "spaced-comment": "off"

build/change-version.js

@@ -17,11 +17,11 @@ sh.config.fatal = true
 
 // Blame TC39... https://github.com/benjamingr/RegExp.escape/issues/37
 function regExpQuote(string) {
-  return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&')
+  return string.replace(/[$()*+.?[\\\]^{|}-]/g, '\\$&')
 }
 
 function regExpQuoteReplacement(string) {
-  return string.replace(/[$]/g, '$$')
+  return string.replace(/\$/g, '$$')
 }
 
 const DRY_RUN = false

js/src/dropdown.js

@@ -531,5 +531,4 @@ $.fn[NAME].noConflict = () => {
   return Dropdown._jQueryInterface
 }
 
-
 export default Dropdown

js/src/modal.js

@@ -179,7 +179,6 @@ class Modal {
     $(this._element).off(EVENT_CLICK_DISMISS)
     $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)
 
-
     if (transition) {
       const transitionDuration  = Util.getTransitionDurationFromElement(this._element)
 

js/src/tools/sanitizer.js

@@ -57,14 +57,14 @@ export const DefaultWhitelist = {
  *
  * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
  */
-const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi
+const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi
 
 /**
  * A pattern that matches safe data URLs. Only matches image, video and audio types.
  *
  * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
  */
-const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+/]+=*$/i
+const DATA_URL_PATTERN = /^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i
 
 function allowedAttribute(attr, allowedAttributeList) {
   const attrName = attr.nodeName.toLowerCase()

js/src/util.js

@@ -34,7 +34,7 @@ function getSpecialTransitionEndEvent() {
       if ($(event.target).is(this)) {
         return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params
       }
-      return undefined // eslint-disable-line no-undefined
+      return undefined
     }
   }
 }

js/tests/karma.conf.js

@@ -1,5 +1,4 @@
 /* eslint-env node */
-/* eslint no-process-env: 0 */
 
 const path = require('path')
 const ip = require('ip')

js/tests/unit/modal.js

@@ -826,7 +826,6 @@ $(function () {
       '</div>'
     ].join('')).appendTo('#qunit-fixture')
 
-
     $modal.on('shown.bs.modal', function () {
       assert.strictEqual($modal.scrollTop(), 0)
       done()

js/tests/unit/toast.js

@@ -208,7 +208,6 @@ $(function () {
       .bootstrapToast('show')
   })
 
-
   QUnit.test('should close toast when close element with data-dismiss attribute is set', function (assert) {
     assert.expect(2)
     var done = assert.async()

js/tests/unit/util.js

@@ -63,7 +63,6 @@ $(function () {
 
     Util.typeCheckConfig(namePlugin, config, defaultType)
 
-    // eslint-disable-next-line
     config.toggle = undefined
 
     Util.typeCheckConfig(namePlugin, config, defaultType)

package.json

@@ -47,8 +47,8 @@
     "js-compile-plugins": "node build/build-plugins.js",
     "js-compile-plugins-coverage": "cross-env NODE_ENV=test node build/build-plugins.js",
     "js-lint": "npm-run-all --continue-on-error --parallel js-lint-*",
-    "js-lint-main": "eslint --cache --cache-location .cache/.eslintcache js/src js/tests build/",
-    "js-lint-docs": "eslint --cache --cache-location .cache/.eslintcache site/",
+    "js-lint-main": "eslint --report-unused-disable-directives --cache --cache-location .cache/.eslintcache js/src js/tests build/",
+    "js-lint-docs": "eslint --report-unused-disable-directives --cache --cache-location .cache/.eslintcache site/",
     "js-minify": "npm-run-all --parallel js-minify-main js-minify-docs",
     "js-minify-main": "npm-run-all js-minify-standalone js-minify-bundle",
     "js-minify-standalone": "terser --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.js.map,includeSources,url=bootstrap.min.js.map\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",

site/docs/4.4/assets/js/src/application.js

@@ -90,7 +90,7 @@
     })
 
     clipboard.on('error', function (e) {
-      var modifierKey = /Mac/i.test(navigator.userAgent) ? '\u2318' : 'Ctrl-'
+      var modifierKey = /mac/i.test(navigator.userAgent) ? '\u2318' : 'Ctrl-'
       var fallbackMsg = 'Press ' + modifierKey + 'C to copy'
 
       $(e.trigger)

site/docs/4.4/assets/js/src/ie-emulation-modes-warning.js

@@ -7,7 +7,7 @@
   'use strict'
 
   function emulatedIEMajorVersion() {
-    var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
+    var groups = /MSIE ([\d.]+)/.exec(window.navigator.userAgent)
     if (groups === null) {
       return null
     }