Merge branch 'v4-dev' into yiq-function-update

.babelrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  presets: [
+    [
+      'env',
+      {
+        loose: true,
+        modules: false,
+        exclude: ['transform-es2015-typeof-symbol']
+      }
+    ]
+  ],
+  plugins: [
+    process.env.ROLLUP && 'external-helpers',
+    process.env.PLUGINS && 'transform-es2015-modules-strip'
+  ].filter(Boolean)
+};

.gitattributes

@@ -4,10 +4,10 @@
 *.js    text eol=lf
 *.json  text eol=lf
 *.md    text eol=lf
-*.py    text eol=lf
 *.rb    text eol=lf
 *.scss  text eol=lf
 *.svg   text eol=lf
+*.txt   text eol=lf
 *.yml   text eol=lf
 # Don't diff or textually merge source maps
 *.map   binary

.github/CONTRIBUTING.md

@@ -42,7 +42,7 @@ Our bug tracker utilizes several labels to help organize and identify issues. He
 - `docs` - Issues for improving or updating our documentation.
 - `examples` - Issues involving the example templates included in our docs.
 - `feature` - Issues asking for a new feature to be added, or an existing one to be extended or modified. New features require a minor version bump (e.g., `v3.0.0` to `v3.1.0`).
-- `grunt` - Issues with our build system, which is used to run all our tests, concatenate and compile source files, and more.
+- `build` - Issues with our build system, which is used to run all our tests, concatenate and compile source files, and more.
 - `help wanted` - Issues we need or would love help from the community to resolve.
 - `js` - Issues stemming from our compiled or source JavaScript files.
 - `meta` - Issues with the project itself or our GitHub repository.
@@ -57,7 +57,7 @@ Good bug reports are extremely helpful, so thanks!
 
 Guidelines for bug reports:
 
-0. **Validate and lint your code** — [validate your HTML](https://html5.validator.nu)
+0. **Validate and lint your code** — [validate your HTML](https://html5.validator.nu/)
    and [lint your HTML](https://github.com/twbs/bootlint) to ensure your
    problem isn't caused by a simple error in your own code.
 
@@ -151,7 +151,7 @@ documentation source files and is managed separately by the Bootstrap Core Team.
 Adhering to the following process is the best way to get your work
 included in the project:
 
-1. [Fork](https://help.github.com/fork-a-repo/) the project, clone your fork,
+1. [Fork](https://help.github.com/articles/fork-a-repo/) the project, clone your fork,
    and configure the remotes:
 
    ```bash
@@ -180,7 +180,7 @@ included in the project:
 4. Commit your changes in logical chunks. Please adhere to these [git commit
    message guidelines](http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html)
    or your code is unlikely be merged into the main project. Use Git's
-   [interactive rebase](https://help.github.com/articles/interactive-rebase)
+   [interactive rebase](https://help.github.com/articles/about-git-rebase/)
    feature to tidy up your commits before making them public.
 
 5. Locally merge (or rebase) the upstream development branch into your topic branch:
@@ -195,7 +195,7 @@ included in the project:
    git push origin <topic-branch-name>
    ```
 
-7. [Open a Pull Request](https://help.github.com/articles/using-pull-requests/)
+7. [Open a Pull Request](https://help.github.com/articles/about-pull-requests/)
     with a clear title and description against the `master` branch.
 
 **IMPORTANT**: By submitting a patch, you agree to allow the project owners to
@@ -211,7 +211,7 @@ includes code changes) and under the terms of the
 * Push the revised version to your pull request's branch and post a comment on the pull request saying that you've fixed the problem(s). One of the Bootstrap Core Team members will then come along and reopen your pull request.
 * Or you can just open a new pull request for your revised version.
 
-[@twbs-savage](https://github.com/twbs-savage) is a Bootstrap bot that automatically runs cross-browser tests (via [Sauce](https://saucelabs.com) and Travis CI) on JavaScript pull requests. Savage will leave a comment on pull requests stating whether cross-browser JS tests passed or failed, with a link to the full Travis build details. If your pull request fails, check the Travis log to see which browser + OS combinations failed. Each browser test in the Travis log includes a link to a Sauce page with details about the test. On those details pages, you can watch a screencast of the test run to see exactly which unit tests failed.
+[@twbs-savage](https://github.com/twbs-savage) is a Bootstrap bot that automatically runs cross-browser tests (via [Sauce](https://saucelabs.com/) and Travis CI) on JavaScript pull requests. Savage will leave a comment on pull requests stating whether cross-browser JS tests passed or failed, with a link to the full Travis build details. If your pull request fails, check the Travis log to see which browser + OS combinations failed. Each browser test in the Travis log includes a link to a Sauce page with details about the test. On those details pages, you can watch a screencast of the test run to see exactly which unit tests failed.
 
 
 ## Code guidelines

.github/ISSUE_TEMPLATE.md

@@ -1,7 +1,7 @@
 Before opening an issue:
 
 - [Search for duplicate or closed issues](https://github.com/twbs/bootstrap/issues?utf8=%E2%9C%93&q=is%3Aissue)
-- [Validate](https://validator.w3.org/nu/) and [lint](https://github.com/twbs/bootlint#in-the-browser) any HTML to avoid common problems
+- [Validate](https://html5.validator.nu/) and [lint](https://github.com/twbs/bootlint#in-the-browser) any HTML to avoid common problems
 - Prepare a [reduced test case](https://css-tricks.com/reduced-test-cases/) for any bugs
 - Read the [contributing guidelines](https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md)
 
@@ -14,7 +14,7 @@ When reporting a bug, include:
 
 - Operating system and version (Windows, Mac OS X, Android, iOS, Win10 Mobile)
 - Browser and version (Chrome, Firefox, Safari, IE, MS Edge, Opera 15+, Android Browser)
-- Reduced test cases and potential fixes using [JS Bin](https://jsbin.com)
+- Reduced test cases and potential fixes using [JS Bin](https://jsbin.com/)
 
 When suggesting a feature, include:
 

.gitignore

@@ -38,12 +38,6 @@ Thumbs.db
 .komodotools
 *.komodoproject
 
-# SCSS-Lint
-scss-lint-report.xml
-
-# grunt-contrib-sass cache
-.sass-cache
-
 # Jekyll metadata and extra config file for `github` script
 docs/.jekyll-metadata
 twbsconfig.yml

.hound.yml

@@ -1,7 +1,7 @@
 fail_on_violations: true
 
-scss:
-  config_file: .scss-lint.yml
+stylelint:
+  config_file: build/.stylelintrc
 
 jshint:
   enabled: false