update

.editorconfig

@@ -1,36 +1,16 @@
-; This file is for unifying the coding style for different editors and IDEs.
-; More information at http://EditorConfig.org
+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
 
 root = true
 
-; All JavaScript files should use tabs unless specified otherwise
-[**.js]
+[*]
 indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
 
-[Makefile]
-indent_style = tab
-
-
-[speed/**.html]
-indent_style = tab
-
-[speed/**.css]
-indent_style = tab
-
-[speed/benchmarker.js]
+[package.json]
 indent_style = space
 indent_size = 2
 
-
-[test/**.xml]
-indent_style = tab
-
-[test/**.php]
-indent_style = tab
-
-[test/**.html]
-indent_style = tab
-
-[test/**.css]
-indent_style = space
-indent_size = 8

.eslintignore

@@ -0,0 +1,15 @@
+amd
+node_modules
+*.min.js
+dist/**
+!dist/jquery.js
+!dist/jquery.min.js
+test/data/jquery-1.9.1.js
+test/data/badcall.js
+test/data/badjson.js
+test/data/json_obj.js
+test/data/readywaitasset.js
+test/data/readywaitloader.js
+test/data/support/csp.js
+test/data/support/getComputedSupport.js
+test/data/core/jquery-iterability-transpiled.js

.eslintrc-browser.json

@@ -0,0 +1,27 @@
+{
+	"root": true,
+
+	"extends": "jquery",
+
+	"reportUnusedDisableDirectives": true,
+
+	"parserOptions": {
+		"ecmaVersion": 5
+	},
+
+	// The browser env is not enabled on purpose so that code takes
+	// all browser-only globals from window instead of assuming
+	// they're available as globals. This makes it possible to use
+	// jQuery with tools like jsdom which provide a custom window
+	// implementation.
+	"env": {},
+
+	"globals": {
+		"window": true
+	},
+
+	"rules": {
+		"one-var": ["error", {"var": "always"}],
+		"strict": ["error", "function"]
+	}
+}

.eslintrc-node.json

@@ -0,0 +1,20 @@
+{
+	"root": true,
+
+	"extends": "jquery",
+
+	"reportUnusedDisableDirectives": true,
+
+	"parserOptions": {
+		"ecmaVersion": 2018
+	},
+
+	"env": {
+		"es6": true,
+		"node": true
+	},
+
+	"rules": {
+		"strict": ["error", "global"]
+	}
+}

.eslintrc.json

@@ -0,0 +1,5 @@
+{
+	"root": true,
+
+	"extends": "./.eslintrc-node.json"
+}

.gitattributes

@@ -1,2 +1,5 @@
-*     eol=lf
-*.jar binary
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# JS files must always use LF for tools to work
+*.js eol=lf

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,24 @@
+<!--
+Feature Requests:
+  Please read https://github.com/jquery/jquery/wiki/Adding-new-features
+  Most features should start as plugins outside of jQuery.
+
+Bug Reports:
+  Note that we only can fix bugs in the latest version of jQuery.
+  Briefly describe the issue you've encountered
+  *  What do you expect to happen?
+  *  What actually happens?
+  *  Which browsers are affected?
+  Provide a *minimal* test case, see https://webkit.org/test-case-reduction/
+  Use the latest shipping version of jQuery in your test case!
+  We prefer test cases on JS Bin (https://jsbin.com/qawicop/edit?html,css,js,output) or CodePen (https://codepen.io/mgol/pen/wNWJbZ)
+
+Frequently Reported Issues:
+  * Self-closing tags broken in jQuery 3.5.0 or newer: please read the [jQuery 3.5.0 blog post](https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/) & the [upgrade guide](https://jquery.com/upgrade-guide/3.5/); see also issue #4681.
+-->
+
+### Description ###
+
+
+### Link to test case ###
+

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,20 @@
+### Summary ###
+<!--
+Describe what this PR does. All but trivial changes (e.g. typos)
+should start with an issue. Mention the issue number here.
+-->
+
+
+### Checklist ###
+<!--
+Mark an `[x]` for completed items, if you're not sure leave them unchecked and we can assist.
+-->
+
+* [ ] All authors have signed the CLA at https://cla.js.foundation/jquery/jquery
+* [ ] New tests have been added to show the fix or feature works
+* [ ] Grunt build and unit tests pass locally with these changes
+* [ ] If needed, a docs issue/PR was created at https://github.com/jquery/api.jquery.com
+
+<!--
+Thanks! Bots and humans will be around shortly to check it out.
+-->

.github/lock.yml

@@ -0,0 +1,13 @@
+# Configuration for lock-threads - https://github.com/dessant/lock-threads
+
+# Number of days of inactivity before a closed issue or pull request is locked
+daysUntilLock: 180
+
+# Issues and pull requests with these labels will not be locked. Set to `[]` to disable
+exemptLabels: []
+
+# Label to add before locking, such as `outdated`. Set to `false` to disable
+lockLabel: false
+
+# Comment to post before locking. Set to `false` to disable
+lockComment: false

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,51 @@
+name: "Code scanning - action"
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 4 * * 6'
+
+jobs:
+  CodeQL-Build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        # We must fetch at least the immediate parents so that if this is
+        # a pull request then we can checkout the head.
+        fetch-depth: 2
+
+    # If this run was triggered by a pull request event, then checkout
+    # the head of the pull request instead of the merge commit.
+    - run: git checkout HEAD^2
+      if: ${{ github.event_name == 'pull_request' }}
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      # Override language selection by uncommenting this and choosing your languages
+      # with:
+      #   languages: go, javascript, csharp, python, cpp, java
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.gitignore

@@ -1,13 +1,24 @@
-src/selector.js
-dist
 .project
 .settings
 *~
 *.diff
 *.patch
 /*.html
 .DS_Store
-dist/.destination.json
-dist/.sizecache.json
-build/.sizecache.json
-node_modules
+.bower.json
+.sizecache.json
+yarn.lock
+package-lock.json
+
+npm-debug.log*
+
+# Ignore everything in dist folder except for eslint config
+/dist/*
+!/dist/.eslintrc.json
+
+/amd
+
+/node_modules
+
+/test/data/core/jquery-iterability-transpiled.js
+/test/data/qunit-fixture.js