完成世界书、骰子、apiconfig页面处理

frontend/node_modules/postcss/lib/comment.js

@@ -0,0 +1,13 @@
+'use strict'
+
+let Node = require('./node')
+
+class Comment extends Node {
+  constructor(defaults) {
+    super(defaults)
+    this.type = 'comment'
+  }
+}
+
+module.exports = Comment
+Comment.default = Comment

frontend/node_modules/postcss/lib/container.js

@@ -0,0 +1,447 @@
+'use strict'
+
+let Comment = require('./comment')
+let Declaration = require('./declaration')
+let Node = require('./node')
+let { isClean, my } = require('./symbols')
+
+let AtRule, parse, Root, Rule
+
+function cleanSource(nodes) {
+  return nodes.map(i => {
+    if (i.nodes) i.nodes = cleanSource(i.nodes)
+    delete i.source
+    return i
+  })
+}
+
+function markTreeDirty(node) {
+  node[isClean] = false
+  if (node.proxyOf.nodes) {
+    for (let i of node.proxyOf.nodes) {
+      markTreeDirty(i)
+    }
+  }
+}
+
+class Container extends Node {
+  get first() {
+    if (!this.proxyOf.nodes) return undefined
+    return this.proxyOf.nodes[0]
+  }
+
+  get last() {
+    if (!this.proxyOf.nodes) return undefined
+    return this.proxyOf.nodes[this.proxyOf.nodes.length - 1]
+  }
+
+  append(...children) {
+    for (let child of children) {
+      let nodes = this.normalize(child, this.last)
+      for (let node of nodes) this.proxyOf.nodes.push(node)
+    }
+
+    this.markDirty()
+
+    return this
+  }
+
+  cleanRaws(keepBetween) {
+    super.cleanRaws(keepBetween)
+    if (this.nodes) {
+      for (let node of this.nodes) node.cleanRaws(keepBetween)
+    }
+  }
+
+  each(callback) {
+    if (!this.proxyOf.nodes) return undefined
+    let iterator = this.getIterator()
+
+    let index, result
+    while (this.indexes[iterator] < this.proxyOf.nodes.length) {
+      index = this.indexes[iterator]
+      result = callback(this.proxyOf.nodes[index], index)
+      if (result === false) break
+
+      this.indexes[iterator] += 1
+    }
+
+    delete this.indexes[iterator]
+    return result
+  }
+
+  every(condition) {
+    return this.nodes.every(condition)
+  }
+
+  getIterator() {
+    if (!this.lastEach) this.lastEach = 0
+    if (!this.indexes) this.indexes = {}
+
+    this.lastEach += 1
+    let iterator = this.lastEach
+    this.indexes[iterator] = 0
+
+    return iterator
+  }
+
+  getProxyProcessor() {
+    return {
+      get(node, prop) {
+        if (prop === 'proxyOf') {
+          return node
+        } else if (!node[prop]) {
+          return node[prop]
+        } else if (
+          prop === 'each' ||
+          (typeof prop === 'string' && prop.startsWith('walk'))
+        ) {
+          return (...args) => {
+            return node[prop](
+              ...args.map(i => {
+                if (typeof i === 'function') {
+                  return (child, index) => i(child.toProxy(), index)
+                } else {
+                  return i
+                }
+              })
+            )
+          }
+        } else if (prop === 'every' || prop === 'some') {
+          return cb => {
+            return node[prop]((child, ...other) =>
+              cb(child.toProxy(), ...other)
+            )
+          }
+        } else if (prop === 'root') {
+          return () => node.root().toProxy()
+        } else if (prop === 'nodes') {
+          return node.nodes.map(i => i.toProxy())
+        } else if (prop === 'first' || prop === 'last') {
+          return node[prop].toProxy()
+        } else {
+          return node[prop]
+        }
+      },
+
+      set(node, prop, value) {
+        if (node[prop] === value) return true
+        node[prop] = value
+        if (prop === 'name' || prop === 'params' || prop === 'selector') {
+          node.markDirty()
+        }
+        return true
+      }
+    }
+  }
+
+  index(child) {
+    if (typeof child === 'number') return child
+    if (child.proxyOf) child = child.proxyOf
+    return this.proxyOf.nodes.indexOf(child)
+  }
+
+  insertAfter(exist, add) {
+    let existIndex = this.index(exist)
+    let nodes = this.normalize(add, this.proxyOf.nodes[existIndex]).reverse()
+    existIndex = this.index(exist)
+    for (let node of nodes) this.proxyOf.nodes.splice(existIndex + 1, 0, node)
+
+    let index
+    for (let id in this.indexes) {
+      index = this.indexes[id]
+      if (existIndex < index) {
+        this.indexes[id] = index + nodes.length
+      }
+    }
+
+    this.markDirty()
+
+    return this
+  }
+
+  insertBefore(exist, add) {
+    let existIndex = this.index(exist)
+    let type = existIndex === 0 ? 'prepend' : false
+    let nodes = this.normalize(
+      add,
+      this.proxyOf.nodes[existIndex],
+      type
+    ).reverse()
+    existIndex = this.index(exist)
+    for (let node of nodes) this.proxyOf.nodes.splice(existIndex, 0, node)
+
+    let index
+    for (let id in this.indexes) {
+      index = this.indexes[id]
+      if (existIndex <= index) {
+        this.indexes[id] = index + nodes.length
+      }
+    }
+
+    this.markDirty()
+
+    return this
+  }
+
+  normalize(nodes, sample) {
+    if (typeof nodes === 'string') {
+      nodes = cleanSource(parse(nodes).nodes)
+    } else if (typeof nodes === 'undefined') {
+      nodes = []
+    } else if (Array.isArray(nodes)) {
+      nodes = nodes.slice(0)
+      for (let i of nodes) {
+        if (i.parent) i.parent.removeChild(i, 'ignore')
+      }
+    } else if (nodes.type === 'root' && this.type !== 'document') {
+      nodes = nodes.nodes.slice(0)
+      for (let i of nodes) {
+        if (i.parent) i.parent.removeChild(i, 'ignore')
+      }
+    } else if (nodes.type) {
+      nodes = [nodes]
+    } else if (nodes.prop) {
+      if (typeof nodes.value === 'undefined') {
+        throw new Error('Value field is missed in node creation')
+      } else if (typeof nodes.value !== 'string') {
+        nodes.value = String(nodes.value)
+      }
+      nodes = [new Declaration(nodes)]
+    } else if (nodes.selector || nodes.selectors) {
+      nodes = [new Rule(nodes)]
+    } else if (nodes.name) {
+      nodes = [new AtRule(nodes)]
+    } else if (nodes.text) {
+      nodes = [new Comment(nodes)]
+    } else {
+      throw new Error('Unknown node type in node creation')
+    }
+
+    let processed = nodes.map(i => {
+      /* c8 ignore next */
+      if (!i[my]) Container.rebuild(i)
+      i = i.proxyOf
+      if (i.parent) i.parent.removeChild(i)
+      if (i[isClean]) markTreeDirty(i)
+
+      if (!i.raws) i.raws = {}
+      if (typeof i.raws.before === 'undefined') {
+        if (sample && typeof sample.raws.before !== 'undefined') {
+          i.raws.before = sample.raws.before.replace(/\S/g, '')
+        }
+      }
+      i.parent = this.proxyOf
+      return i
+    })
+
+    return processed
+  }
+
+  prepend(...children) {
+    children = children.reverse()
+    for (let child of children) {
+      let nodes = this.normalize(child, this.first, 'prepend').reverse()
+      for (let node of nodes) this.proxyOf.nodes.unshift(node)
+      for (let id in this.indexes) {
+        this.indexes[id] = this.indexes[id] + nodes.length
+      }
+    }
+
+    this.markDirty()
+
+    return this
+  }
+
+  push(child) {
+    child.parent = this
+    this.proxyOf.nodes.push(child)
+    return this
+  }
+
+  removeAll() {
+    for (let node of this.proxyOf.nodes) node.parent = undefined
+    this.proxyOf.nodes = []
+
+    this.markDirty()
+
+    return this
+  }
+
+  removeChild(child) {
+    child = this.index(child)
+    this.proxyOf.nodes[child].parent = undefined
+    this.proxyOf.nodes.splice(child, 1)
+
+    let index
+    for (let id in this.indexes) {
+      index = this.indexes[id]
+      if (index >= child) {
+        this.indexes[id] = index - 1
+      }
+    }
+
+    this.markDirty()
+
+    return this
+  }
+
+  replaceValues(pattern, opts, callback) {
+    if (!callback) {
+      callback = opts
+      opts = {}
+    }
+
+    this.walkDecls(decl => {
+      if (opts.props && !opts.props.includes(decl.prop)) return
+      if (opts.fast && !decl.value.includes(opts.fast)) return
+
+      decl.value = decl.value.replace(pattern, callback)
+    })
+
+    this.markDirty()
+
+    return this
+  }
+
+  some(condition) {
+    return this.nodes.some(condition)
+  }
+
+  walk(callback) {
+    return this.each((child, i) => {
+      let result
+      try {
+        result = callback(child, i)
+      } catch (e) {
+        throw child.addToError(e)
+      }
+      if (result !== false && child.walk) {
+        result = child.walk(callback)
+      }
+
+      return result
+    })
+  }
+
+  walkAtRules(name, callback) {
+    if (!callback) {
+      callback = name
+      return this.walk((child, i) => {
+        if (child.type === 'atrule') {
+          return callback(child, i)
+        }
+      })
+    }
+    if (name instanceof RegExp) {
+      return this.walk((child, i) => {
+        if (child.type === 'atrule' && name.test(child.name)) {
+          return callback(child, i)
+        }
+      })
+    }
+    return this.walk((child, i) => {
+      if (child.type === 'atrule' && child.name === name) {
+        return callback(child, i)
+      }
+    })
+  }
+
+  walkComments(callback) {
+    return this.walk((child, i) => {
+      if (child.type === 'comment') {
+        return callback(child, i)
+      }
+    })
+  }
+
+  walkDecls(prop, callback) {
+    if (!callback) {
+      callback = prop
+      return this.walk((child, i) => {
+        if (child.type === 'decl') {
+          return callback(child, i)
+        }
+      })
+    }
+    if (prop instanceof RegExp) {
+      return this.walk((child, i) => {
+        if (child.type === 'decl' && prop.test(child.prop)) {
+          return callback(child, i)
+        }
+      })
+    }
+    return this.walk((child, i) => {
+      if (child.type === 'decl' && child.prop === prop) {
+        return callback(child, i)
+      }
+    })
+  }
+
+  walkRules(selector, callback) {
+    if (!callback) {
+      callback = selector
+
+      return this.walk((child, i) => {
+        if (child.type === 'rule') {
+          return callback(child, i)
+        }
+      })
+    }
+    if (selector instanceof RegExp) {
+      return this.walk((child, i) => {
+        if (child.type === 'rule' && selector.test(child.selector)) {
+          return callback(child, i)
+        }
+      })
+    }
+    return this.walk((child, i) => {
+      if (child.type === 'rule' && child.selector === selector) {
+        return callback(child, i)
+      }
+    })
+  }
+}
+
+Container.registerParse = dependant => {
+  parse = dependant
+}
+
+Container.registerRule = dependant => {
+  Rule = dependant
+}
+
+Container.registerAtRule = dependant => {
+  AtRule = dependant
+}
+
+Container.registerRoot = dependant => {
+  Root = dependant
+}
+
+module.exports = Container
+Container.default = Container
+
+/* c8 ignore start */
+Container.rebuild = node => {
+  if (node.type === 'atrule') {
+    Object.setPrototypeOf(node, AtRule.prototype)
+  } else if (node.type === 'rule') {
+    Object.setPrototypeOf(node, Rule.prototype)
+  } else if (node.type === 'decl') {
+    Object.setPrototypeOf(node, Declaration.prototype)
+  } else if (node.type === 'comment') {
+    Object.setPrototypeOf(node, Comment.prototype)
+  } else if (node.type === 'root') {
+    Object.setPrototypeOf(node, Root.prototype)
+  }
+
+  node[my] = true
+
+  if (node.nodes) {
+    node.nodes.forEach(child => {
+      Container.rebuild(child)
+    })
+  }
+}
+/* c8 ignore stop */

frontend/node_modules/postcss/lib/css-syntax-error.d.ts

@@ -0,0 +1,248 @@
+import { FilePosition } from './input.js'
+
+declare namespace CssSyntaxError {
+  /**
+   * A position that is part of a range.
+   */
+  export interface RangePosition {
+    /**
+     * The column number in the input.
+     */
+    column: number
+
+    /**
+     * The line number in the input.
+     */
+    line: number
+  }
+
+   
+  export { CssSyntaxError_ as default }
+}
+
+/**
+ * The CSS parser throws this error for broken CSS.
+ *
+ * Custom parsers can throw this error for broken custom syntax using
+ * the `Node#error` method.
+ *
+ * PostCSS will use the input source map to detect the original error location.
+ * If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS,
+ * PostCSS will show the original position in the Sass file.
+ *
+ * If you need the position in the PostCSS input
+ * (e.g., to debug the previous compiler), use `error.input.file`.
+ *
+ * ```js
+ * // Raising error from plugin
+ * throw node.error('Unknown variable', { plugin: 'postcss-vars' })
+ * ```
+ *
+ * ```js
+ * // Catching and checking syntax error
+ * try {
+ *   postcss.parse('a{')
+ * } catch (error) {
+ *   if (error.name === 'CssSyntaxError') {
+ *     error //=> CssSyntaxError
+ *   }
+ * }
+ * ```
+ */
+declare class CssSyntaxError_ extends Error {
+  /**
+   * Source column of the error.
+   *
+   * ```js
+   * error.column       //=> 1
+   * error.input.column //=> 4
+   * ```
+   *
+   * PostCSS will use the input source map to detect the original location.
+   * If you need the position in the PostCSS input, use `error.input.column`.
+   */
+  column?: number
+
+  /**
+   * Source column of the error's end, exclusive. Provided if the error pertains
+   * to a range.
+   *
+   * ```js
+   * error.endColumn       //=> 1
+   * error.input.endColumn //=> 4
+   * ```
+   *
+   * PostCSS will use the input source map to detect the original location.
+   * If you need the position in the PostCSS input, use `error.input.endColumn`.
+   */
+  endColumn?: number
+
+  /**
+   * Source line of the error's end, exclusive. Provided if the error pertains
+   * to a range.
+   *
+   * ```js
+   * error.endLine       //=> 3
+   * error.input.endLine //=> 4
+   * ```
+   *
+   * PostCSS will use the input source map to detect the original location.
+   * If you need the position in the PostCSS input, use `error.input.endLine`.
+   */
+  endLine?: number
+
+  /**
+   * Absolute path to the broken file.
+   *
+   * ```js
+   * error.file       //=> 'a.sass'
+   * error.input.file //=> 'a.css'
+   * ```
+   *
+   * PostCSS will use the input source map to detect the original location.
+   * If you need the position in the PostCSS input, use `error.input.file`.
+   */
+  file?: string
+
+  /**
+   * Input object with PostCSS internal information
+   * about input file. If input has source map
+   * from previous tool, PostCSS will use origin
+   * (for example, Sass) source. You can use this
+   * object to get PostCSS input source.
+   *
+   * ```js
+   * error.input.file //=> 'a.css'
+   * error.file       //=> 'a.sass'
+   * ```
+   */
+  input?: FilePosition
+
+  /**
+   * Source line of the error.
+   *
+   * ```js
+   * error.line       //=> 2
+   * error.input.line //=> 4
+   * ```
+   *
+   * PostCSS will use the input source map to detect the original location.
+   * If you need the position in the PostCSS input, use `error.input.line`.
+   */
+  line?: number
+
+  /**
+   * Full error text in the GNU error format
+   * with plugin, file, line and column.
+   *
+   * ```js
+   * error.message //=> 'a.css:1:1: Unclosed block'
+   * ```
+   */
+  message: string
+
+  /**
+   * Always equal to `'CssSyntaxError'`. You should always check error type
+   * by `error.name === 'CssSyntaxError'`
+   * instead of `error instanceof CssSyntaxError`,
+   * because npm could have several PostCSS versions.
+   *
+   * ```js
+   * if (error.name === 'CssSyntaxError') {
+   *   error //=> CssSyntaxError
+   * }
+   * ```
+   */
+  name: 'CssSyntaxError'
+
+  /**
+   * Plugin name, if error came from plugin.
+   *
+   * ```js
+   * error.plugin //=> 'postcss-vars'
+   * ```
+   */
+  plugin?: string
+
+  /**
+   * Error message.
+   *
+   * ```js
+   * error.message //=> 'Unclosed block'
+   * ```
+   */
+  reason: string
+
+  /**
+   * Source code of the broken file.
+   *
+   * ```js
+   * error.source       //=> 'a { b {} }'
+   * error.input.source //=> 'a b { }'
+   * ```
+   */
+  source?: string
+
+  stack: string
+
+  /**
+   * Instantiates a CSS syntax error. Can be instantiated for a single position
+   * or for a range.
+   * @param message        Error message.
+   * @param lineOrStartPos If for a single position, the line number, or if for
+   *                       a range, the inclusive start position of the error.
+   * @param columnOrEndPos If for a single position, the column number, or if for
+   *                       a range, the exclusive end position of the error.
+   * @param source         Source code of the broken file.
+   * @param file           Absolute path to the broken file.
+   * @param plugin         PostCSS plugin name, if error came from plugin.
+   */
+  constructor(
+    message: string,
+    lineOrStartPos?: CssSyntaxError.RangePosition | number,
+    columnOrEndPos?: CssSyntaxError.RangePosition | number,
+    source?: string,
+    file?: string,
+    plugin?: string
+  )
+
+  /**
+   * Returns a few lines of CSS source that caused the error.
+   *
+   * If the CSS has an input source map without `sourceContent`,
+   * this method will return an empty string.
+   *
+   * ```js
+   * error.showSourceCode() //=> "  4 | }
+   *                        //      5 | a {
+   *                        //    > 6 |   bad
+   *                        //        |   ^
+   *                        //      7 | }
+   *                        //      8 | b {"
+   * ```
+   *
+   * @param color Whether arrow will be colored red by terminal
+   *              color codes. By default, PostCSS will detect
+   *              color support by `process.stdout.isTTY`
+   *              and `process.env.NODE_DISABLE_COLORS`.
+   * @return Few lines of CSS source that caused the error.
+   */
+  showSourceCode(color?: boolean): string
+
+  /**
+   * Returns error position, message and source code of the broken part.
+   *
+   * ```js
+   * error.toString() //=> "CssSyntaxError: app.css:1:1: Unclosed block
+   *                  //    > 1 | a {
+   *                  //        | ^"
+   * ```
+   *
+   * @return Error position, message and source code.
+   */
+  toString(): string
+}
+
+declare class CssSyntaxError extends CssSyntaxError_ {}
+
+export = CssSyntaxError

frontend/node_modules/postcss/lib/fromJSON.js

@@ -0,0 +1,54 @@
+'use strict'
+
+let AtRule = require('./at-rule')
+let Comment = require('./comment')
+let Declaration = require('./declaration')
+let Input = require('./input')
+let PreviousMap = require('./previous-map')
+let Root = require('./root')
+let Rule = require('./rule')
+
+function fromJSON(json, inputs) {
+  if (Array.isArray(json)) return json.map(n => fromJSON(n))
+
+  let { inputs: ownInputs, ...defaults } = json
+  if (ownInputs) {
+    inputs = []
+    for (let input of ownInputs) {
+      let inputHydrated = { ...input, __proto__: Input.prototype }
+      if (inputHydrated.map) {
+        inputHydrated.map = {
+          ...inputHydrated.map,
+          __proto__: PreviousMap.prototype
+        }
+      }
+      inputs.push(inputHydrated)
+    }
+  }
+  if (defaults.nodes) {
+    defaults.nodes = json.nodes.map(n => fromJSON(n, inputs))
+  }
+  if (defaults.source) {
+    let { inputId, ...source } = defaults.source
+    defaults.source = source
+    if (inputId != null) {
+      defaults.source.input = inputs[inputId]
+    }
+  }
+  if (defaults.type === 'root') {
+    return new Root(defaults)
+  } else if (defaults.type === 'decl') {
+    return new Declaration(defaults)
+  } else if (defaults.type === 'rule') {
+    return new Rule(defaults)
+  } else if (defaults.type === 'comment') {
+    return new Comment(defaults)
+  } else if (defaults.type === 'atrule') {
+    return new AtRule(defaults)
+  } else {
+    throw new Error('Unknown node type: ' + json.type)
+  }
+}
+
+module.exports = fromJSON
+fromJSON.default = fromJSON

frontend/node_modules/postcss/lib/lazy-result.d.ts

@@ -0,0 +1,190 @@
+import Document from './document.js'
+import { SourceMap } from './postcss.js'
+import Processor from './processor.js'
+import Result, { Message, ResultOptions } from './result.js'
+import Root from './root.js'
+import Warning from './warning.js'
+
+declare namespace LazyResult {
+   
+  export { LazyResult_ as default }
+}
+
+/**
+ * A Promise proxy for the result of PostCSS transformations.
+ *
+ * A `LazyResult` instance is returned by `Processor#process`.
+ *
+ * ```js
+ * const lazy = postcss([autoprefixer]).process(css)
+ * ```
+ */
+declare class LazyResult_<RootNode = Document | Root>
+  implements PromiseLike<Result<RootNode>>
+{
+  /**
+   * Processes input CSS through synchronous and asynchronous plugins
+   * and calls onRejected for each error thrown in any plugin.
+   *
+   * It implements standard Promise API.
+   *
+   * ```js
+   * postcss([autoprefixer]).process(css).then(result => {
+   *   console.log(result.css)
+   * }).catch(error => {
+   *   console.error(error)
+   * })
+   * ```
+   */
+  catch: Promise<Result<RootNode>>['catch']
+
+  /**
+   * Processes input CSS through synchronous and asynchronous plugins
+   * and calls onFinally on any error or when all plugins will finish work.
+   *
+   * It implements standard Promise API.
+   *
+   * ```js
+   * postcss([autoprefixer]).process(css).finally(() => {
+   *   console.log('processing ended')
+   * })
+   * ```
+   */
+  finally: Promise<Result<RootNode>>['finally']
+
+  /**
+   * Processes input CSS through synchronous and asynchronous plugins
+   * and calls `onFulfilled` with a Result instance. If a plugin throws
+   * an error, the `onRejected` callback will be executed.
+   *
+   * It implements standard Promise API.
+   *
+   * ```js
+   * postcss([autoprefixer]).process(css, { from: cssPath }).then(result => {
+   *   console.log(result.css)
+   * })
+   * ```
+   */
+  then: Promise<Result<RootNode>>['then']
+
+  /**
+   * An alias for the `css` property. Use it with syntaxes
+   * that generate non-CSS output.
+   *
+   * This property will only work with synchronous plugins.
+   * If the processor contains any asynchronous plugins
+   * it will throw an error.
+   *
+   * PostCSS runners should always use `LazyResult#then`.
+   */
+  get content(): string
+
+  /**
+   * Processes input CSS through synchronous plugins, converts `Root`
+   * to a CSS string and returns `Result#css`.
+   *
+   * This property will only work with synchronous plugins.
+   * If the processor contains any asynchronous plugins
+   * it will throw an error.
+   *
+   * PostCSS runners should always use `LazyResult#then`.
+   */
+  get css(): string
+
+  /**
+   * Processes input CSS through synchronous plugins
+   * and returns `Result#map`.
+   *
+   * This property will only work with synchronous plugins.
+   * If the processor contains any asynchronous plugins
+   * it will throw an error.
+   *
+   * PostCSS runners should always use `LazyResult#then`.
+   */
+  get map(): SourceMap
+
+  /**
+   * Processes input CSS through synchronous plugins
+   * and returns `Result#messages`.
+   *
+   * This property will only work with synchronous plugins. If the processor
+   * contains any asynchronous plugins it will throw an error.
+   *
+   * PostCSS runners should always use `LazyResult#then`.
+   */
+  get messages(): Message[]
+
+  /**
+   * Options from the `Processor#process` call.
+   */
+  get opts(): ResultOptions
+
+  /**
+   * Returns a `Processor` instance, which will be used
+   * for CSS transformations.
+   */
+  get processor(): Processor
+
+  /**
+   * Processes input CSS through synchronous plugins
+   * and returns `Result#root`.
+   *
+   * This property will only work with synchronous plugins. If the processor
+   * contains any asynchronous plugins it will throw an error.
+   *
+   * PostCSS runners should always use `LazyResult#then`.
+   */
+  get root(): RootNode
+
+  /**
+   * Returns the default string description of an object.
+   * Required to implement the Promise interface.
+   */
+  get [Symbol.toStringTag](): string
+
+  /**
+   * @param processor Processor used for this transformation.
+   * @param css       CSS to parse and transform.
+   * @param opts      Options from the `Processor#process` or `Root#toResult`.
+   */
+  constructor(processor: Processor, css: string, opts: ResultOptions)
+
+  /**
+   * Run plugin in async way and return `Result`.
+   *
+   * @return Result with output content.
+   */
+  async(): Promise<Result<RootNode>>
+
+  /**
+   * Run plugin in sync way and return `Result`.
+   *
+   * @return Result with output content.
+   */
+  sync(): Result<RootNode>
+
+  /**
+   * Alias for the `LazyResult#css` property.
+   *
+   * ```js
+   * lazy + '' === lazy.css
+   * ```
+   *
+   * @return Output CSS.
+   */
+  toString(): string
+
+  /**
+   * Processes input CSS through synchronous plugins
+   * and calls `Result#warnings`.
+   *
+   * @return Warnings from plugins.
+   */
+  warnings(): Warning[]
+}
+
+declare class LazyResult<
+  RootNode = Document | Root
+> extends LazyResult_<RootNode> {}
+
+export = LazyResult

frontend/node_modules/postcss/lib/list.d.ts

@@ -0,0 +1,60 @@
+declare namespace list {
+  type List = {
+    /**
+     * Safely splits comma-separated values (such as those for `transition-*`
+     * and `background` properties).
+     *
+     * ```js
+     * Once (root, { list }) {
+     *   list.comma('black, linear-gradient(white, black)')
+     *   //=> ['black', 'linear-gradient(white, black)']
+     * }
+     * ```
+     *
+     * @param str Comma-separated values.
+     * @return Split values.
+     */
+    comma(str: string): string[]
+
+    default: List
+
+    /**
+     * Safely splits space-separated values (such as those for `background`,
+     * `border-radius`, and other shorthand properties).
+     *
+     * ```js
+     * Once (root, { list }) {
+     *   list.space('1px calc(10% + 1px)') //=> ['1px', 'calc(10% + 1px)']
+     * }
+     * ```
+     *
+     * @param str Space-separated values.
+     * @return Split values.
+     */
+    space(str: string): string[]
+
+    /**
+     * Safely splits values.
+     *
+     * ```js
+     * Once (root, { list }) {
+     *   list.split('1px calc(10% + 1px)', [' ', '\n', '\t']) //=> ['1px', 'calc(10% + 1px)']
+     * }
+     * ```
+     *
+     * @param string separated values.
+     * @param separators array of separators.
+     * @param last boolean indicator.
+     * @return Split values.
+     */
+    split(
+      string: string,
+      separators: readonly string[],
+      last: boolean
+    ): string[]
+  }
+}
+
+declare const list: list.List
+
+export = list

frontend/node_modules/postcss/lib/no-work-result.d.ts

@@ -0,0 +1,46 @@
+import LazyResult from './lazy-result.js'
+import { SourceMap } from './postcss.js'
+import Processor from './processor.js'
+import Result, { Message, ResultOptions } from './result.js'
+import Root from './root.js'
+import Warning from './warning.js'
+
+declare namespace NoWorkResult {
+   
+  export { NoWorkResult_ as default }
+}
+
+/**
+ * A Promise proxy for the result of PostCSS transformations.
+ * This lazy result instance doesn't parse css unless `NoWorkResult#root` or `Result#root`
+ * are accessed. See the example below for details.
+ * A `NoWork` instance is returned by `Processor#process` ONLY when no plugins defined.
+ *
+ * ```js
+ * const noWorkResult = postcss().process(css) // No plugins are defined.
+ *                                             // CSS is not parsed
+ * let root = noWorkResult.root // now css is parsed because we accessed the root
+ * ```
+ */
+declare class NoWorkResult_ implements LazyResult<Root> {
+  catch: Promise<Result<Root>>['catch']
+  finally: Promise<Result<Root>>['finally']
+  then: Promise<Result<Root>>['then']
+  get content(): string
+  get css(): string
+  get map(): SourceMap
+  get messages(): Message[]
+  get opts(): ResultOptions
+  get processor(): Processor
+  get root(): Root
+  get [Symbol.toStringTag](): string
+  constructor(processor: Processor, css: string, opts: ResultOptions)
+  async(): Promise<Result<Root>>
+  sync(): Result<Root>
+  toString(): string
+  warnings(): Warning[]
+}
+
+declare class NoWorkResult extends NoWorkResult_ {}
+
+export = NoWorkResult

frontend/node_modules/postcss/lib/parse.d.ts

@@ -0,0 +1,9 @@
+import { Parser } from './postcss.js'
+
+interface Parse extends Parser {
+  default: Parse
+}
+
+declare const parse: Parse
+
+export = parse

frontend/node_modules/postcss/lib/parse.js

@@ -0,0 +1,42 @@
+'use strict'
+
+let Container = require('./container')
+let Input = require('./input')
+let Parser = require('./parser')
+
+function parse(css, opts) {
+  let input = new Input(css, opts)
+  let parser = new Parser(input)
+  try {
+    parser.parse()
+  } catch (e) {
+    if (process.env.NODE_ENV !== 'production') {
+      if (e.name === 'CssSyntaxError' && opts && opts.from) {
+        if (/\.scss$/i.test(opts.from)) {
+          e.message +=
+            '\nYou tried to parse SCSS with ' +
+            'the standard CSS parser; ' +
+            'try again with the postcss-scss parser'
+        } else if (/\.sass/i.test(opts.from)) {
+          e.message +=
+            '\nYou tried to parse Sass with ' +
+            'the standard CSS parser; ' +
+            'try again with the postcss-sass parser'
+        } else if (/\.less$/i.test(opts.from)) {
+          e.message +=
+            '\nYou tried to parse Less with ' +
+            'the standard CSS parser; ' +
+            'try again with the postcss-less parser'
+        }
+      }
+    }
+    throw e
+  }
+
+  return parser.root
+}
+
+module.exports = parse
+parse.default = parse
+
+Container.registerParse(parse)

frontend/node_modules/postcss/lib/postcss.mjs

@@ -0,0 +1,30 @@
+import postcss from './postcss.js'
+
+export default postcss
+
+export const stringify = postcss.stringify
+export const fromJSON = postcss.fromJSON
+export const plugin = postcss.plugin
+export const parse = postcss.parse
+export const list = postcss.list
+
+export const document = postcss.document
+export const comment = postcss.comment
+export const atRule = postcss.atRule
+export const rule = postcss.rule
+export const decl = postcss.decl
+export const root = postcss.root
+
+export const CssSyntaxError = postcss.CssSyntaxError
+export const Declaration = postcss.Declaration
+export const Container = postcss.Container
+export const Processor = postcss.Processor
+export const Document = postcss.Document
+export const Comment = postcss.Comment
+export const Warning = postcss.Warning
+export const AtRule = postcss.AtRule
+export const Result = postcss.Result
+export const Input = postcss.Input
+export const Rule = postcss.Rule
+export const Root = postcss.Root
+export const Node = postcss.Node

frontend/node_modules/postcss/lib/processor.js

@@ -0,0 +1,67 @@
+'use strict'
+
+let Document = require('./document')
+let LazyResult = require('./lazy-result')
+let NoWorkResult = require('./no-work-result')
+let Root = require('./root')
+
+class Processor {
+  constructor(plugins = []) {
+    this.version = '8.5.8'
+    this.plugins = this.normalize(plugins)
+  }
+
+  normalize(plugins) {
+    let normalized = []
+    for (let i of plugins) {
+      if (i.postcss === true) {
+        i = i()
+      } else if (i.postcss) {
+        i = i.postcss
+      }
+
+      if (typeof i === 'object' && Array.isArray(i.plugins)) {
+        normalized = normalized.concat(i.plugins)
+      } else if (typeof i === 'object' && i.postcssPlugin) {
+        normalized.push(i)
+      } else if (typeof i === 'function') {
+        normalized.push(i)
+      } else if (typeof i === 'object' && (i.parse || i.stringify)) {
+        if (process.env.NODE_ENV !== 'production') {
+          throw new Error(
+            'PostCSS syntaxes cannot be used as plugins. Instead, please use ' +
+              'one of the syntax/parser/stringifier options as outlined ' +
+              'in your PostCSS runner documentation.'
+          )
+        }
+      } else {
+        throw new Error(i + ' is not a PostCSS plugin')
+      }
+    }
+    return normalized
+  }
+
+  process(css, opts = {}) {
+    if (
+      !this.plugins.length &&
+      !opts.parser &&
+      !opts.stringifier &&
+      !opts.syntax
+    ) {
+      return new NoWorkResult(this, css, opts)
+    } else {
+      return new LazyResult(this, css, opts)
+    }
+  }
+
+  use(plugin) {
+    this.plugins = this.plugins.concat(this.normalize([plugin]))
+    return this
+  }
+}
+
+module.exports = Processor
+Processor.default = Processor
+
+Root.registerProcessor(Processor)
+Document.registerProcessor(Processor)

frontend/node_modules/postcss/lib/result.d.ts

@@ -0,0 +1,205 @@
+import {
+  Document,
+  Node,
+  Plugin,
+  ProcessOptions,
+  Root,
+  SourceMap,
+  TransformCallback,
+  Warning,
+  WarningOptions
+} from './postcss.js'
+import Processor from './processor.js'
+
+declare namespace Result {
+  export interface Message {
+    [others: string]: any
+
+    /**
+     * Source PostCSS plugin name.
+     */
+    plugin?: string
+
+    /**
+     * Message type.
+     */
+    type: string
+  }
+
+  export interface ResultOptions extends ProcessOptions {
+    /**
+     * The CSS node that was the source of the warning.
+     */
+    node?: Node
+
+    /**
+     * Name of plugin that created this warning. `Result#warn` will fill it
+     * automatically with `Plugin#postcssPlugin` value.
+     */
+    plugin?: string
+  }
+
+   
+  export { Result_ as default }
+}
+
+/**
+ * Provides the result of the PostCSS transformations.
+ *
+ * A Result instance is returned by `LazyResult#then`
+ * or `Root#toResult` methods.
+ *
+ * ```js
+ * postcss([autoprefixer]).process(css).then(result => {
+ *  console.log(result.css)
+ * })
+ * ```
+ *
+ * ```js
+ * const result2 = postcss.parse(css).toResult()
+ * ```
+ */
+declare class Result_<RootNode = Document | Root> {
+  /**
+   * A CSS string representing of `Result#root`.
+   *
+   * ```js
+   * postcss.parse('a{}').toResult().css //=> "a{}"
+   * ```
+   */
+  css: string
+
+  /**
+   * Last runned PostCSS plugin.
+   */
+  lastPlugin: Plugin | TransformCallback
+
+  /**
+   * An instance of `SourceMapGenerator` class from the `source-map` library,
+   * representing changes to the `Result#root` instance.
+   *
+   * ```js
+   * result.map.toJSON() //=> { version: 3, file: 'a.css', … }
+   * ```
+   *
+   * ```js
+   * if (result.map) {
+   *   fs.writeFileSync(result.opts.to + '.map', result.map.toString())
+   * }
+   * ```
+   */
+  map: SourceMap
+
+  /**
+   * Contains messages from plugins (e.g., warnings or custom messages).
+   * Each message should have type and plugin properties.
+   *
+   * ```js
+   * AtRule: {
+   *   import: (atRule, { result }) {
+   *     const importedFile = parseImport(atRule)
+   *     result.messages.push({
+   *       type: 'dependency',
+   *       plugin: 'postcss-import',
+   *       file: importedFile,
+   *       parent: result.opts.from
+   *     })
+   *   }
+   * }
+   * ```
+   */
+  messages: Result.Message[]
+
+  /**
+   * Options from the `Processor#process` or `Root#toResult` call
+   * that produced this Result instance.]
+   *
+   * ```js
+   * root.toResult(opts).opts === opts
+   * ```
+   */
+  opts: Result.ResultOptions
+
+  /**
+   * The Processor instance used for this transformation.
+   *
+   * ```js
+   * for (const plugin of result.processor.plugins) {
+   *   if (plugin.postcssPlugin === 'postcss-bad') {
+   *     throw 'postcss-good is incompatible with postcss-bad'
+   *   }
+   * })
+   * ```
+   */
+  processor: Processor
+
+  /**
+   * Root node after all transformations.
+   *
+   * ```js
+   * root.toResult().root === root
+   * ```
+   */
+  root: RootNode
+
+  /**
+   * An alias for the `Result#css` property.
+   * Use it with syntaxes that generate non-CSS output.
+   *
+   * ```js
+   * result.css === result.content
+   * ```
+   */
+  get content(): string
+
+  /**
+   * @param processor Processor used for this transformation.
+   * @param root      Root node after all transformations.
+   * @param opts      Options from the `Processor#process` or `Root#toResult`.
+   */
+  constructor(processor: Processor, root: RootNode, opts: Result.ResultOptions)
+
+  /**
+   * Returns for `Result#css` content.
+   *
+   * ```js
+   * result + '' === result.css
+   * ```
+   *
+   * @return String representing of `Result#root`.
+   */
+  toString(): string
+
+  /**
+   * Creates an instance of `Warning` and adds it to `Result#messages`.
+   *
+   * ```js
+   * if (decl.important) {
+   *   result.warn('Avoid !important', { node: decl, word: '!important' })
+   * }
+   * ```
+   *
+   * @param text Warning message.
+   * @param opts Warning options.
+   * @return Created warning.
+   */
+  warn(message: string, options?: WarningOptions): Warning
+
+  /**
+   * Returns warnings from plugins. Filters `Warning` instances
+   * from `Result#messages`.
+   *
+   * ```js
+   * result.warnings().forEach(warn => {
+   *   console.warn(warn.toString())
+   * })
+   * ```
+   *
+   * @return Warnings from plugins.
+   */
+  warnings(): Warning[]
+}
+
+declare class Result<RootNode = Document | Root> extends Result_<RootNode> {}
+
+export = Result

frontend/node_modules/postcss/lib/result.js

@@ -0,0 +1,42 @@
+'use strict'
+
+let Warning = require('./warning')
+
+class Result {
+  get content() {
+    return this.css
+  }
+
+  constructor(processor, root, opts) {
+    this.processor = processor
+    this.messages = []
+    this.root = root
+    this.opts = opts
+    this.css = ''
+    this.map = undefined
+  }
+
+  toString() {
+    return this.css
+  }
+
+  warn(text, opts = {}) {
+    if (!opts.plugin) {
+      if (this.lastPlugin && this.lastPlugin.postcssPlugin) {
+        opts.plugin = this.lastPlugin.postcssPlugin
+      }
+    }
+
+    let warning = new Warning(text, opts)
+    this.messages.push(warning)
+
+    return warning
+  }
+
+  warnings() {
+    return this.messages.filter(i => i.type === 'warning')
+  }
+}
+
+module.exports = Result
+Result.default = Result

frontend/node_modules/postcss/lib/root.d.ts

@@ -0,0 +1,87 @@
+import Container, { ContainerProps } from './container.js'
+import Document from './document.js'
+import { ProcessOptions } from './postcss.js'
+import Result from './result.js'
+
+declare namespace Root {
+  export interface RootRaws extends Record<string, any> {
+    /**
+     * The space symbols after the last child to the end of file.
+     */
+    after?: string
+
+    /**
+     * Non-CSS code after `Root`, when `Root` is inside `Document`.
+     *
+     * **Experimental:** some aspects of this node could change within minor
+     * or patch version releases.
+     */
+    codeAfter?: string
+
+    /**
+     * Non-CSS code before `Root`, when `Root` is inside `Document`.
+     *
+     * **Experimental:** some aspects of this node could change within minor
+     * or patch version releases.
+     */
+    codeBefore?: string
+
+    /**
+     * Is the last child has an (optional) semicolon.
+     */
+    semicolon?: boolean
+  }
+
+  export interface RootProps extends ContainerProps {
+    /**
+     * Information used to generate byte-to-byte equal node string
+     * as it was in the origin input.
+     * */
+    raws?: RootRaws
+  }
+
+   
+  export { Root_ as default }
+}
+
+/**
+ * Represents a CSS file and contains all its parsed nodes.
+ *
+ * ```js
+ * const root = postcss.parse('a{color:black} b{z-index:2}')
+ * root.type         //=> 'root'
+ * root.nodes.length //=> 2
+ * ```
+ */
+declare class Root_ extends Container {
+  nodes: NonNullable<Container['nodes']>
+  parent: Document | undefined
+  raws: Root.RootRaws
+  type: 'root'
+
+  constructor(defaults?: Root.RootProps)
+
+  assign(overrides: object | Root.RootProps): this
+  clone(overrides?: Partial<Root.RootProps>): this
+  cloneAfter(overrides?: Partial<Root.RootProps>): this
+  cloneBefore(overrides?: Partial<Root.RootProps>): this
+
+  /**
+   * Returns a `Result` instance representing the root’s CSS.
+   *
+   * ```js
+   * const root1 = postcss.parse(css1, { from: 'a.css' })
+   * const root2 = postcss.parse(css2, { from: 'b.css' })
+   * root1.append(root2)
+   * const result = root1.toResult({ to: 'all.css', map: true })
+   * ```
+   *
+   * @param options Options.
+   * @return Result with current root’s CSS.
+   */
+  toResult(options?: ProcessOptions): Result
+}
+
+declare class Root extends Root_ {}
+
+export = Root

frontend/node_modules/postcss/lib/root.js

@@ -0,0 +1,61 @@
+'use strict'
+
+let Container = require('./container')
+
+let LazyResult, Processor
+
+class Root extends Container {
+  constructor(defaults) {
+    super(defaults)
+    this.type = 'root'
+    if (!this.nodes) this.nodes = []
+  }
+
+  normalize(child, sample, type) {
+    let nodes = super.normalize(child)
+
+    if (sample) {
+      if (type === 'prepend') {
+        if (this.nodes.length > 1) {
+          sample.raws.before = this.nodes[1].raws.before
+        } else {
+          delete sample.raws.before
+        }
+      } else if (this.first !== sample) {
+        for (let node of nodes) {
+          node.raws.before = sample.raws.before
+        }
+      }
+    }
+
+    return nodes
+  }
+
+  removeChild(child, ignore) {
+    let index = this.index(child)
+
+    if (!ignore && index === 0 && this.nodes.length > 1) {
+      this.nodes[1].raws.before = this.nodes[index].raws.before
+    }
+
+    return super.removeChild(child)
+  }
+
+  toResult(opts = {}) {
+    let lazy = new LazyResult(new Processor(), this, opts)
+    return lazy.stringify()
+  }
+}
+
+Root.registerLazyResult = dependant => {
+  LazyResult = dependant
+}
+
+Root.registerProcessor = dependant => {
+  Processor = dependant
+}
+
+module.exports = Root
+Root.default = Root
+
+Container.registerRoot(Root)

frontend/node_modules/postcss/lib/stringifier.js

@@ -0,0 +1,353 @@
+'use strict'
+
+const DEFAULT_RAW = {
+  after: '\n',
+  beforeClose: '\n',
+  beforeComment: '\n',
+  beforeDecl: '\n',
+  beforeOpen: ' ',
+  beforeRule: '\n',
+  colon: ': ',
+  commentLeft: ' ',
+  commentRight: ' ',
+  emptyBody: '',
+  indent: '    ',
+  semicolon: false
+}
+
+function capitalize(str) {
+  return str[0].toUpperCase() + str.slice(1)
+}
+
+class Stringifier {
+  constructor(builder) {
+    this.builder = builder
+  }
+
+  atrule(node, semicolon) {
+    let name = '@' + node.name
+    let params = node.params ? this.rawValue(node, 'params') : ''
+
+    if (typeof node.raws.afterName !== 'undefined') {
+      name += node.raws.afterName
+    } else if (params) {
+      name += ' '
+    }
+
+    if (node.nodes) {
+      this.block(node, name + params)
+    } else {
+      let end = (node.raws.between || '') + (semicolon ? ';' : '')
+      this.builder(name + params + end, node)
+    }
+  }
+
+  beforeAfter(node, detect) {
+    let value
+    if (node.type === 'decl') {
+      value = this.raw(node, null, 'beforeDecl')
+    } else if (node.type === 'comment') {
+      value = this.raw(node, null, 'beforeComment')
+    } else if (detect === 'before') {
+      value = this.raw(node, null, 'beforeRule')
+    } else {
+      value = this.raw(node, null, 'beforeClose')
+    }
+
+    let buf = node.parent
+    let depth = 0
+    while (buf && buf.type !== 'root') {
+      depth += 1
+      buf = buf.parent
+    }
+
+    if (value.includes('\n')) {
+      let indent = this.raw(node, null, 'indent')
+      if (indent.length) {
+        for (let step = 0; step < depth; step++) value += indent
+      }
+    }
+
+    return value
+  }
+
+  block(node, start) {
+    let between = this.raw(node, 'between', 'beforeOpen')
+    this.builder(start + between + '{', node, 'start')
+
+    let after
+    if (node.nodes && node.nodes.length) {
+      this.body(node)
+      after = this.raw(node, 'after')
+    } else {
+      after = this.raw(node, 'after', 'emptyBody')
+    }
+
+    if (after) this.builder(after)
+    this.builder('}', node, 'end')
+  }
+
+  body(node) {
+    let last = node.nodes.length - 1
+    while (last > 0) {
+      if (node.nodes[last].type !== 'comment') break
+      last -= 1
+    }
+
+    let semicolon = this.raw(node, 'semicolon')
+    for (let i = 0; i < node.nodes.length; i++) {
+      let child = node.nodes[i]
+      let before = this.raw(child, 'before')
+      if (before) this.builder(before)
+      this.stringify(child, last !== i || semicolon)
+    }
+  }
+
+  comment(node) {
+    let left = this.raw(node, 'left', 'commentLeft')
+    let right = this.raw(node, 'right', 'commentRight')
+    this.builder('/*' + left + node.text + right + '*/', node)
+  }
+
+  decl(node, semicolon) {
+    let between = this.raw(node, 'between', 'colon')
+    let string = node.prop + between + this.rawValue(node, 'value')
+
+    if (node.important) {
+      string += node.raws.important || ' !important'
+    }
+
+    if (semicolon) string += ';'
+    this.builder(string, node)
+  }
+
+  document(node) {
+    this.body(node)
+  }
+
+  raw(node, own, detect) {
+    let value
+    if (!detect) detect = own
+
+    // Already had
+    if (own) {
+      value = node.raws[own]
+      if (typeof value !== 'undefined') return value
+    }
+
+    let parent = node.parent
+
+    if (detect === 'before') {
+      // Hack for first rule in CSS
+      if (!parent || (parent.type === 'root' && parent.first === node)) {
+        return ''
+      }
+
+      // `root` nodes in `document` should use only their own raws
+      if (parent && parent.type === 'document') {
+        return ''
+      }
+    }
+
+    // Floating child without parent
+    if (!parent) return DEFAULT_RAW[detect]
+
+    // Detect style by other nodes
+    let root = node.root()
+    if (!root.rawCache) root.rawCache = {}
+    if (typeof root.rawCache[detect] !== 'undefined') {
+      return root.rawCache[detect]
+    }
+
+    if (detect === 'before' || detect === 'after') {
+      return this.beforeAfter(node, detect)
+    } else {
+      let method = 'raw' + capitalize(detect)
+      if (this[method]) {
+        value = this[method](root, node)
+      } else {
+        root.walk(i => {
+          value = i.raws[own]
+          if (typeof value !== 'undefined') return false
+        })
+      }
+    }
+
+    if (typeof value === 'undefined') value = DEFAULT_RAW[detect]
+
+    root.rawCache[detect] = value
+    return value
+  }
+
+  rawBeforeClose(root) {
+    let value
+    root.walk(i => {
+      if (i.nodes && i.nodes.length > 0) {
+        if (typeof i.raws.after !== 'undefined') {
+          value = i.raws.after
+          if (value.includes('\n')) {
+            value = value.replace(/[^\n]+$/, '')
+          }
+          return false
+        }
+      }
+    })
+    if (value) value = value.replace(/\S/g, '')
+    return value
+  }
+
+  rawBeforeComment(root, node) {
+    let value
+    root.walkComments(i => {
+      if (typeof i.raws.before !== 'undefined') {
+        value = i.raws.before
+        if (value.includes('\n')) {
+          value = value.replace(/[^\n]+$/, '')
+        }
+        return false
+      }
+    })
+    if (typeof value === 'undefined') {
+      value = this.raw(node, null, 'beforeDecl')
+    } else if (value) {
+      value = value.replace(/\S/g, '')
+    }
+    return value
+  }
+
+  rawBeforeDecl(root, node) {
+    let value
+    root.walkDecls(i => {
+      if (typeof i.raws.before !== 'undefined') {
+        value = i.raws.before
+        if (value.includes('\n')) {
+          value = value.replace(/[^\n]+$/, '')
+        }
+        return false
+      }
+    })
+    if (typeof value === 'undefined') {
+      value = this.raw(node, null, 'beforeRule')
+    } else if (value) {
+      value = value.replace(/\S/g, '')
+    }
+    return value
+  }
+
+  rawBeforeOpen(root) {
+    let value
+    root.walk(i => {
+      if (i.type !== 'decl') {
+        value = i.raws.between
+        if (typeof value !== 'undefined') return false
+      }
+    })
+    return value
+  }
+
+  rawBeforeRule(root) {
+    let value
+    root.walk(i => {
+      if (i.nodes && (i.parent !== root || root.first !== i)) {
+        if (typeof i.raws.before !== 'undefined') {
+          value = i.raws.before
+          if (value.includes('\n')) {
+            value = value.replace(/[^\n]+$/, '')
+          }
+          return false
+        }
+      }
+    })
+    if (value) value = value.replace(/\S/g, '')
+    return value
+  }
+
+  rawColon(root) {
+    let value
+    root.walkDecls(i => {
+      if (typeof i.raws.between !== 'undefined') {
+        value = i.raws.between.replace(/[^\s:]/g, '')
+        return false
+      }
+    })
+    return value
+  }
+
+  rawEmptyBody(root) {
+    let value
+    root.walk(i => {
+      if (i.nodes && i.nodes.length === 0) {
+        value = i.raws.after
+        if (typeof value !== 'undefined') return false
+      }
+    })
+    return value
+  }
+
+  rawIndent(root) {
+    if (root.raws.indent) return root.raws.indent
+    let value
+    root.walk(i => {
+      let p = i.parent
+      if (p && p !== root && p.parent && p.parent === root) {
+        if (typeof i.raws.before !== 'undefined') {
+          let parts = i.raws.before.split('\n')
+          value = parts[parts.length - 1]
+          value = value.replace(/\S/g, '')
+          return false
+        }
+      }
+    })
+    return value
+  }
+
+  rawSemicolon(root) {
+    let value
+    root.walk(i => {
+      if (i.nodes && i.nodes.length && i.last.type === 'decl') {
+        value = i.raws.semicolon
+        if (typeof value !== 'undefined') return false
+      }
+    })
+    return value
+  }
+
+  rawValue(node, prop) {
+    let value = node[prop]
+    let raw = node.raws[prop]
+    if (raw && raw.value === value) {
+      return raw.raw
+    }
+
+    return value
+  }
+
+  root(node) {
+    this.body(node)
+    if (node.raws.after) this.builder(node.raws.after)
+  }
+
+  rule(node) {
+    this.block(node, this.rawValue(node, 'selector'))
+    if (node.raws.ownSemicolon) {
+      this.builder(node.raws.ownSemicolon, node, 'end')
+    }
+  }
+
+  stringify(node, semicolon) {
+    /* c8 ignore start */
+    if (!this[node.type]) {
+      throw new Error(
+        'Unknown AST node type ' +
+          node.type +
+          '. ' +
+          'Maybe you need to change PostCSS stringifier.'
+      )
+    }
+    /* c8 ignore stop */
+    this[node.type](node, semicolon)
+  }
+}
+
+module.exports = Stringifier
+Stringifier.default = Stringifier

frontend/node_modules/postcss/lib/warning.js

@@ -0,0 +1,37 @@
+'use strict'
+
+class Warning {
+  constructor(text, opts = {}) {
+    this.type = 'warning'
+    this.text = text
+
+    if (opts.node && opts.node.source) {
+      let range = opts.node.rangeBy(opts)
+      this.line = range.start.line
+      this.column = range.start.column
+      this.endLine = range.end.line
+      this.endColumn = range.end.column
+    }
+
+    for (let opt in opts) this[opt] = opts[opt]
+  }
+
+  toString() {
+    if (this.node) {
+      return this.node.error(this.text, {
+        index: this.index,
+        plugin: this.plugin,
+        word: this.word
+      }).message
+    }
+
+    if (this.plugin) {
+      return this.plugin + ': ' + this.text
+    }
+
+    return this.text
+  }
+}
+
+module.exports = Warning
+Warning.default = Warning