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4 files changed, 281 insertions, 0 deletions

diff --git a/node_modules/postcss-loader/lib/Error.js b/node_modules/postcss-loader/lib/Error.js
new file mode 100644
index 00000000..05ea46ea
--- /dev/null
+++ b/node_modules/postcss-loader/lib/Error.js
@@ -0,0 +1,17 @@
+'use strict'
+
+class SyntaxError extends Error {
+  constructor (err) {
+    super(err)
+
+    this.name = 'Syntax Error'
+
+    this.message = ''
+    this.message += `${this.name} \n\n(${err.line}:${err.column}) ${err.reason}`
+    this.message += `\n\n${err.showSourceCode()}\n`
+
+    this.stack = false
+  }
+}
+
+module.exports = SyntaxError
diff --git a/node_modules/postcss-loader/lib/index.js b/node_modules/postcss-loader/lib/index.js
new file mode 100644
index 00000000..623ff184
--- /dev/null
+++ b/node_modules/postcss-loader/lib/index.js
@@ -0,0 +1,196 @@
+'use strict'
+
+const path = require('path')
+
+const loaderUtils = require('loader-utils')
+
+const parseOptions = require('./options')
+const validateOptions = require('schema-utils')
+
+const postcss = require('postcss')
+const postcssrc = require('postcss-load-config')
+
+const SyntaxError = require('./Error')
+
+/**
+ * PostCSS Loader
+ *
+ * > Loads && processes CSS with [PostCSS](https://github.com/postcss/postcss)
+ *
+ * @author Andrey Sitnik (@ai) <andrey@sitnik.ru>
+ *
+ * @license MIT
+ * @version 2.0.0
+ *
+ * @requires path
+ *
+ * @requires loader-utils
+ * @requires schema-utils
+ *
+ * @requires postcss
+ * @requires postcss-load-config
+ *
+ * @requires Error
+ *
+ * @method loader
+ *
+ * @param  {String} css Source
+ * @param  {Object} map Source Map
+ *
+ * @return {cb} cb      Result
+ */
+module.exports = function loader (css, map, meta) {
+  const options = Object.assign({}, loaderUtils.getOptions(this))
+
+  validateOptions(require('./options.json'), options, 'PostCSS Loader')
+
+  const cb = this.async()
+  const file = this.resourcePath
+
+  const sourceMap = options.sourceMap
+
+  Promise.resolve().then(() => {
+    const length = Object.keys(options)
+      .filter((option) => {
+        switch (option) {
+          // case 'exec':
+          case 'ident':
+          case 'config':
+          case 'sourceMap':
+            return
+          default:
+            return option
+        }
+      })
+      .length
+
+    if (length) {
+      return parseOptions.call(this, options)
+    }
+
+    const rc = {
+      path: path.dirname(file),
+      ctx: {
+        file: {
+          extname: path.extname(file),
+          dirname: path.dirname(file),
+          basename: path.basename(file)
+        },
+        options: {}
+      }
+    }
+
+    if (options.config) {
+      if (options.config.path) {
+        rc.path = path.resolve(options.config.path)
+      }
+
+      if (options.config.ctx) {
+        rc.ctx.options = options.config.ctx
+      }
+    }
+
+    rc.ctx.webpack = this;
+
+    return postcssrc(rc.ctx, rc.path)
+  }).then((config) => {
+    if (!config) config = {}
+
+    if (config.file) this.addDependency(config.file)
+
+    // Disable override `to` option from `postcss.config.js`
+    if (config.options.to) delete config.options.to
+    // Disable override `from` option from `postcss.config.js`
+    if (config.options.from) delete config.options.from
+
+    let plugins = config.plugins || []
+    let options = Object.assign({
+      from: file,
+      map: sourceMap
+        ? sourceMap === 'inline'
+          ? { inline: true, annotation: false }
+          : { inline: false, annotation: false }
+        : false
+    }, config.options)
+
+    // Loader Exec (Deprecated)
+    // https://webpack.js.org/api/loaders/#deprecated-context-properties
+    if (options.parser === 'postcss-js') {
+      css = this.exec(css, this.resource)
+    }
+
+    if (typeof options.parser === 'string') {
+      options.parser = require(options.parser)
+    }
+
+    if (typeof options.syntax === 'string') {
+      options.syntax = require(options.syntax)
+    }
+
+    if (typeof options.stringifier === 'string') {
+      options.stringifier = require(options.stringifier)
+    }
+
+    // Loader API Exec (Deprecated)
+    // https://webpack.js.org/api/loaders/#deprecated-context-properties
+    if (config.exec) {
+      css = this.exec(css, this.resource)
+    }
+
+    if (sourceMap && typeof map === 'string') map = JSON.parse(map)
+    if (sourceMap && map) options.map.prev = map
+
+    return postcss(plugins)
+      .process(css, options)
+      .then((result) => {
+        result.warnings().forEach((msg) => this.emitWarning(msg.toString()))
+
+        result.messages.forEach((msg) => {
+          if (msg.type === 'dependency') this.addDependency(msg.file)
+        })
+
+        css = result.css
+        map = result.map ? result.map.toJSON() : null
+
+        if (map) {
+          map.file = path.resolve(map.file)
+          map.sources = map.sources.map((src) => path.resolve(src))
+        }
+
+        if (!meta) meta = {}
+
+        meta.ast = { 'type': 'postcss', root: result.root }
+        meta.messages = result.messages
+
+        if (this.loaderIndex === 0) {
+          /**
+           * @memberof loader
+           * @callback cb
+           *
+           * @param {Object} null   Error
+           * @param {String} result Result (JS Module)
+           * @param {Object} map    Source Map
+           */
+          cb(null, `module.exports = ${JSON.stringify(css)}`, map)
+
+          return null
+        }
+
+        /**
+         * @memberof loader
+         * @callback cb
+         *
+         * @param {Object} null Error
+         * @param {String} css  Result (Raw Module)
+         * @param {Object} map  Source Map
+         */
+        cb(null, css, map, meta)
+
+        return null
+      })
+  }).catch((err) => {
+    if (err.file) this.addDependency(err.file)
+
+    return err.name === 'CssSyntaxError' ? cb(new SyntaxError(err)) : cb(err)
+  })
+}
diff --git a/node_modules/postcss-loader/lib/options.js b/node_modules/postcss-loader/lib/options.js
new file mode 100644
index 00000000..980e9366
--- /dev/null
+++ b/node_modules/postcss-loader/lib/options.js
@@ -0,0 +1,25 @@
+'use strict'
+
+module.exports = function parseOptions (params) {
+  if (typeof params.plugins === 'function') {
+    params.plugins = params.plugins.call(this, this)
+  }
+
+  let plugins
+
+  if (typeof params.plugins === 'undefined') plugins = []
+  else if (Array.isArray(params.plugins)) plugins = params.plugins
+  else plugins = [ params.plugins ]
+
+  const options = {}
+
+  if (typeof params !== 'undefined') {
+    options.parser = params.parser
+    options.syntax = params.syntax
+    options.stringifier = params.stringifier
+  }
+
+  const exec = params && params.exec
+
+  return Promise.resolve({ options: options, plugins: plugins, exec: exec })
+}
diff --git a/node_modules/postcss-loader/lib/options.json b/node_modules/postcss-loader/lib/options.json
new file mode 100644
index 00000000..e4546157
--- /dev/null
+++ b/node_modules/postcss-loader/lib/options.json
@@ -0,0 +1,43 @@
+{
+  "type": "object",
+  "properties": {
+    "config": {
+      "type": "object",
+      "properties": {
+        "path": {
+          "type": "string"
+        },
+        "ctx": {
+          "type": "object"
+        }
+      },
+      "additionalProperties": false
+    },
+    "exec": {
+      "type": "boolean"
+    },
+    "ident": {
+      "type": "string"
+    },
+    "parser": {
+      "type": [ "string", "object" ]
+    },
+    "syntax": {
+      "type": [ "string", "object" ]
+    },
+    "stringifier": {
+      "type": [ "string", "object" ]
+    },
+    "plugins": {
+      "anyOf": [
+        { "type": "array" },
+        { "type": "object" },
+        { "instanceof": "Function" }
+      ]
+    },
+    "sourceMap": {
+      "type": [ "string", "boolean" ]
+    }
+  },
+  "additionalProperties": true
+}