feat: initial commit

.gitignore

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+node_modules

.prettierignore

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+node_modules
+package-lock.json

LICENSE

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+MIT License
+
+Copyright (c) 2019 Games Done Quick, LLC
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# GDQ's stylelint-config [![npm](https://img.shields.io/npm/v/@gamesdonequick/stylelint-config.svg)](https://www.npmjs.com/package/@gamesdonequick/stylelint-config) [![Build Status](https://dev.azure.com/gamesdonequick/stylelint-config/_apis/build/status/GamesDoneQuick.stylelint-config?branchName=master)](https://dev.azure.com/gamesdonequick/stylelint-config/_build/latest?definitionId=6&branchName=master)
+
+> Our re-usable config for the Stylelint CSS linter.
+
+## Usage
+
+1. Install this config as a devDependency:
+
+   ```bash
+   npm i -D @gamesdonequick/stylelint-config
+   ```
+
+2. Follow the instructions here to use or extend our config: https://stylelint.io/user-guide/configuration#extends
+
+3. This package actually includes multiple configs. One base config, and one that has some rules specific to PostCSS. You can pick and choose what parts you wish to use. To use both, your config might look like this:
+
+   ```js
+   module.exports = {
+     extends: ['@gamesdonequick/stylelint-config', './node_modules/@gamesdonequick/stylelint-config/postcss'],
+   };
+   ```

azure-pipelines.yml

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+variables:
+  - group: Publishing Secrets
+
+trigger:
+  - master
+
+pool:
+  vmImage: "Ubuntu-16.04"
+
+steps:
+  - script: npm i
+    displayName: "Install npm dependencies"
+
+  - script: npx semantic-release
+    displayName: "Release"
+    env:
+      GH_TOKEN: $(GH_TOKEN)
+      NPM_TOKEN: $(NPM_TOKEN)

commitlint.config.js

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+module.exports = {
+  extends: ["@commitlint/config-conventional"],
+};

index.js

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+/*
+ * Rules
+ * https://stylelint.io/user-guide/rules/
+ * https://github.com/stylelint/stylelint/blob/master/docs/user-guide/rules.md
+ */
+const POSSIBLE_ERRORS = {
+  'color-no-invalid-hex': true,
+  'function-calc-no-unspaced-operator': true,
+  'function-linear-gradient-no-nonstandard-direction': true,
+  'string-no-newline': true,
+  'unit-no-unknown': true,
+  'keyframe-declaration-no-important': true,
+  'property-no-unknown': true,
+  'declaration-block-no-duplicate-properties': true,
+  'declaration-block-no-shorthand-property-overrides': true,
+  'block-no-empty': true,
+  'selector-pseudo-class-no-unknown': true,
+  'selector-pseudo-element-no-unknown': true,
+  'selector-type-no-unknown': true,
+  'media-feature-name-no-unknown': true,
+  'at-rule-no-unknown': true,
+  'comment-no-empty': true,
+  'no-empty-source': true,
+  'no-extra-semicolons': true,
+  'no-invalid-double-slash-comments': true,
+};
+
+const LIMIT_LANGUAGE_FEATURES = {
+  'color-no-hex': true,
+  'function-url-no-scheme-relative': true,
+  'shorthand-property-no-redundant-values': true,
+  'value-no-vendor-prefix': true,
+  // NOTE: might not want this? This just disables the shorthand, which is normally
+  // nice. Individual properties like `font-family`, `font-size` still work.
+  'property-blacklist': ['font'],
+  'property-no-vendor-prefix': true,
+  'declaration-no-important': true,
+  'declaration-block-single-line-max-declarations': 0,
+  // NOTE: This is really effective with CSS modules. Without, it probably
+  // gets cumbersome. I'd probably limit this to 4 with modules.
+  'selector-max-compound-selectors': 5,
+  'selector-max-empty-lines': 0,
+  'media-feature-name-no-vendor-prefix': true,
+  'at-rule-no-vendor-prefix': true,
+};
+
+const STYLISTIC_ISSUES = {
+  // Function
+  'function-comma-newline-after': 'always-multi-line',
+  'function-comma-newline-before': 'never-multi-line',
+  'function-max-empty-lines': 0,
+  'function-name-case': 'lower',
+  'function-parentheses-newline-inside': 'always-multi-line',
+  'function-url-quotes': 'always',
+  // Number
+  'number-leading-zero': 'always',
+  'number-no-trailing-zeros': true,
+  // String
+  'string-quotes': 'single',
+  // Length
+  'length-zero-no-unit': true,
+  // Unit
+  'unit-case': 'lower',
+  // Value List
+  'value-list-comma-space-after': 'always-single-line',
+  'value-list-comma-space-before': 'never',
+  // Property
+  'property-case': 'lower',
+  // Declaration
+  'declaration-bang-space-after': 'never',
+  'declaration-bang-space-before': 'always',
+  'declaration-colon-space-after': 'always-single-line',
+  'declaration-colon-space-before': 'never',
+  // Declaration block
+  'declaration-block-semicolon-newline-after': 'always',
+  'declaration-block-semicolon-newline-before': 'never-multi-line',
+  // Block
+  'block-opening-brace-newline-after': 'always',
+  'block-opening-brace-space-before': 'always',
+  'block-closing-brace-empty-line-before': 'never',
+  // Selector
+  'selector-attribute-brackets-space-inside': 'never',
+  'selector-combinator-space-after': 'always',
+  'selector-combinator-space-before': 'always',
+  'selector-pseudo-class-case': 'lower',
+  'selector-pseudo-class-parentheses-space-inside': 'never',
+  'selector-pseudo-element-colon-notation': 'single',
+  'selector-type-case': 'lower',
+  // Selector list
+  'selector-list-comma-newline-after': 'always',
+  'selector-list-comma-space-before': 'never',
+  // Media feature
+  'media-feature-colon-space-after': 'always',
+  'media-feature-colon-space-before': 'never',
+  'media-feature-range-operator-space-after': 'always',
+  'media-feature-range-operator-space-before': 'always',
+  // Media query list
+  'media-query-list-comma-newline-after': 'never-multi-line',
+  'media-query-list-comma-newline-before': 'never-multi-line',
+  'media-query-list-comma-space-after': 'always-single-line',
+  'media-query-list-comma-space-before': 'never',
+  // General / Sheet
+  indentation: 2,
+  'max-empty-lines': 1,
+  'no-eol-whitespace': true,
+  'rule-empty-line-before': ['always', { ignore: ['after-comment', 'first-nested'] }],
+};
+
+module.exports = {
+  rules: { ...POSSIBLE_ERRORS, ...LIMIT_LANGUAGE_FEATURES, ...STYLISTIC_ISSUES },
+};