FM / lib

/opt/canhelp/node_modules/postcss/lib

Name	Size	Mode	Actions
at-rule.d.ts	3360	0644	edit dl rm
at-rule.js	471	0644	edit dl rm
comment.d.ts	1684	0644	edit dl rm
comment.js	203	0644	edit dl rm
container.d.ts	14047	0644	edit dl rm
container.js	10647	0644	edit dl rm
css-syntax-error.d.ts	6451	0644	edit dl rm
css-syntax-error.js	3402	0644	edit dl rm
declaration.d.ts	3837	0644	edit dl rm
declaration.js	495	0644	edit dl rm
document.d.ts	1888	0644	edit dl rm
document.js	654	0644	edit dl rm
fromJSON.d.ts	162	0644	edit dl rm
fromJSON.js	1506	0644	edit dl rm
input.d.ts	5130	0644	edit dl rm
input.js	6752	0644	edit dl rm
lazy-result.d.ts	4941	0644	edit dl rm
lazy-result.js	13562	0644	edit dl rm
list.d.ts	1426	0644	edit dl rm
list.js	1227	0644	edit dl rm
map-generator.js	10031	0644	edit dl rm
no-work-result.d.ts	1507	0644	edit dl rm
no-work-result.js	2621	0644	edit dl rm
node.d.ts	14698	0644	edit dl rm
node.js	10719	0644	edit dl rm
parse.d.ts	135	0644	edit dl rm
parse.js	1147	0644	edit dl rm
parser.js	14846	0644	edit dl rm
postcss.d.mts	1049	0644	edit dl rm
postcss.d.ts	11461	0644	edit dl rm
postcss.js	2898	0644	edit dl rm
postcss.mjs	980	0644	edit dl rm
previous-map.d.ts	1761	0644	edit dl rm
previous-map.js	3984	0644	edit dl rm
processor.d.ts	3349	0644	edit dl rm
processor.js	1738	0644	edit dl rm
result.d.ts	4350	0644	edit dl rm
result.js	738	0644	edit dl rm
root.d.ts	2257	0644	edit dl rm
root.js	1239	0644	edit dl rm
rule.d.ts	2901	0644	edit dl rm
rule.js	569	0644	edit dl rm
stringifier.d.ts	1364	0644	edit dl rm
stringifier.js	8220	0644	edit dl rm
stringify.d.ts	165	0644	edit dl rm
stringify.js	213	0644	edit dl rm
symbols.js	91	0644	edit dl rm
terminal-highlight.js	1399	0644	edit dl rm
tokenize.js	6538	0644	edit dl rm
warn-once.js	256	0644	edit dl rm
warning.d.ts	2928	0644	edit dl rm
warning.js	739	0644	edit dl rm

Edit: /opt/canhelp/node_modules/postcss/lib/lazy-result.js (13562B)

'use strict'

let Container = require('./container')
let Document = require('./document')
let MapGenerator = require('./map-generator')
let parse = require('./parse')
let Result = require('./result')
let Root = require('./root')
let stringify = require('./stringify')
let { isClean, my } = require('./symbols')
let warnOnce = require('./warn-once')

const TYPE_TO_CLASS_NAME = {
  atrule: 'AtRule',
  comment: 'Comment',
  decl: 'Declaration',
  document: 'Document',
  root: 'Root',
  rule: 'Rule'
}

const PLUGIN_PROPS = {
  AtRule: true,
  AtRuleExit: true,
  Comment: true,
  CommentExit: true,
  Declaration: true,
  DeclarationExit: true,
  Document: true,
  DocumentExit: true,
  Once: true,
  OnceExit: true,
  postcssPlugin: true,
  prepare: true,
  Root: true,
  RootExit: true,
  Rule: true,
  RuleExit: true
}

const NOT_VISITORS = {
  Once: true,
  postcssPlugin: true,
  prepare: true
}

const CHILDREN = 0

function isPromise(obj) {
  return typeof obj === 'object' && typeof obj.then === 'function'
}

function getEvents(node) {
  let key = false
  let type = TYPE_TO_CLASS_NAME[node.type]
  if (node.type === 'decl') {
    key = node.prop.toLowerCase()
  } else if (node.type === 'atrule') {
    key = node.name.toLowerCase()
  }

if (key && node.append) {
    return [
      type,
      type + '-' + key,
      CHILDREN,
      type + 'Exit',
      type + 'Exit-' + key
    ]
  } else if (key) {
    return [type, type + '-' + key, type + 'Exit', type + 'Exit-' + key]
  } else if (node.append) {
    return [type, CHILDREN, type + 'Exit']
  } else {
    return [type, type + 'Exit']
  }
}

function toStack(node) {
  let events
  if (node.type === 'document') {
    events = ['Document', CHILDREN, 'DocumentExit']
  } else if (node.type === 'root') {
    events = ['Root', CHILDREN, 'RootExit']
  } else {
    events = getEvents(node)
  }

return {
    eventIndex: 0,
    events,
    iterator: 0,
    node,
    visitorIndex: 0,
    visitors: []
  }
}

function cleanMarks(node) {
  node[isClean] = false
  if (node.nodes) node.nodes.forEach(i => cleanMarks(i))
  return node
}

let postcss = {}

class LazyResult {
  get content() {
    return this.stringify().content
  }

get css() {
    return this.stringify().css
  }

get map() {
    return this.stringify().map
  }

get messages() {
    return this.sync().messages
  }

get opts() {
    return this.result.opts
  }

get processor() {
    return this.result.processor
  }

get root() {
    return this.sync().root
  }

get [Symbol.toStringTag]() {
    return 'LazyResult'
  }

constructor(processor, css, opts) {
    this.stringified = false
    this.processed = false

let root
    if (
      typeof css === 'object' &&
      css !== null &&
      (css.type === 'root' || css.type === 'document')
    ) {
      root = cleanMarks(css)
    } else if (css instanceof LazyResult || css instanceof Result) {
      root = cleanMarks(css.root)
      if (css.map) {
        if (typeof opts.map === 'undefined') opts.map = {}
        if (!opts.map.inline) opts.map.inline = false
        opts.map.prev = css.map
      }
    } else {
      let parser = parse
      if (opts.syntax) parser = opts.syntax.parse
      if (opts.parser) parser = opts.parser
      if (parser.parse) parser = parser.parse

try {
        root = parser(css, opts)
      } catch (error) {
        this.processed = true
        this.error = error
      }

if (root && !root[my]) {
        /* c8 ignore next 2 */
        Container.rebuild(root)
      }
    }

this.result = new Result(processor, root, opts)
    this.helpers = { ...postcss, postcss, result: this.result }
    this.plugins = this.processor.plugins.map(plugin => {
      if (typeof plugin === 'object' && plugin.prepare) {
        return { ...plugin, ...plugin.prepare(this.result) }
      } else {
        return plugin
      }
    })
  }

async() {
    if (this.error) return Promise.reject(this.error)
    if (this.processed) return Promise.resolve(this.result)
    if (!this.processing) {
      this.processing = this.runAsync()
    }
    return this.processing
  }

catch(onRejected) {
    return this.async().catch(onRejected)
  }

finally(onFinally) {
    return this.async().then(onFinally, onFinally)
  }

getAsyncError() {
    throw new Error('Use process(css).then(cb) to work with async plugins')
  }

handleError(error, node) {
    let plugin = this.result.lastPlugin
    try {
      if (node) node.addToError(error)
      this.error = error
      if (error.name === 'CssSyntaxError' && !error.plugin) {
        error.plugin = plugin.postcssPlugin
        error.setMessage()
      } else if (plugin.postcssVersion) {
        if (process.env.NODE_ENV !== 'production') {
          let pluginName = plugin.postcssPlugin
          let pluginVer = plugin.postcssVersion
          let runtimeVer = this.result.processor.version
          let a = pluginVer.split('.')
          let b = runtimeVer.split('.')

if (a[0] !== b[0] || parseInt(a[1]) > parseInt(b[1])) {
            // eslint-disable-next-line no-console
            console.error(
              'Unknown error from PostCSS plugin. Your current PostCSS ' +
                'version is ' +
                runtimeVer +
                ', but ' +
                pluginName +
                ' uses ' +
                pluginVer +
                '. Perhaps this is the source of the error below.'
            )
          }
        }
      }
    } catch (err) {
      /* c8 ignore next 3 */
      // eslint-disable-next-line no-console
      if (console && console.error) console.error(err)
    }
    return error
  }

prepareVisitors() {
    this.listeners = {}
    let add = (plugin, type, cb) => {
      if (!this.listeners[type]) this.listeners[type] = []
      this.listeners[type].push([plugin, cb])
    }
    for (let plugin of this.plugins) {
      if (typeof plugin === 'object') {
        for (let event in plugin) {
          if (!PLUGIN_PROPS[event] && /^[A-Z]/.test(event)) {
            throw new Error(
              `Unknown event ${event} in ${plugin.postcssPlugin}. ` +
                `Try to update PostCSS (${this.processor.version} now).`
            )
          }
          if (!NOT_VISITORS[event]) {
            if (typeof plugin[event] === 'object') {
              for (let filter in plugin[event]) {
                if (filter === '*') {
                  add(plugin, event, plugin[event][filter])
                } else {
                  add(
                    plugin,
                    event + '-' + filter.toLowerCase(),
                    plugin[event][filter]
                  )
                }
              }
            } else if (typeof plugin[event] === 'function') {
              add(plugin, event, plugin[event])
            }
          }
        }
      }
    }
    this.hasListener = Object.keys(this.listeners).length > 0
  }

async runAsync() {
    this.plugin = 0
    for (let i = 0; i < this.plugins.length; i++) {
      let plugin = this.plugins[i]
      let promise = this.runOnRoot(plugin)
      if (isPromise(promise)) {
        try {
          await promise
        } catch (error) {
          throw this.handleError(error)
        }
      }
    }

this.prepareVisitors()
    if (this.hasListener) {
      let root = this.result.root
      while (!root[isClean]) {
        root[isClean] = true
        let stack = [toStack(root)]
        while (stack.length > 0) {
          let promise = this.visitTick(stack)
          if (isPromise(promise)) {
            try {
              await promise
            } catch (e) {
              let node = stack[stack.length - 1].node
              throw this.handleError(e, node)
            }
          }
        }
      }

if (this.listeners.OnceExit) {
        for (let [plugin, visitor] of this.listeners.OnceExit) {
          this.result.lastPlugin = plugin
          try {
            if (root.type === 'document') {
              let roots = root.nodes.map(subRoot =>
                visitor(subRoot, this.helpers)
              )

await Promise.all(roots)
            } else {
              await visitor(root, this.helpers)
            }
          } catch (e) {
            throw this.handleError(e)
          }
        }
      }
    }

this.processed = true
    return this.stringify()
  }

runOnRoot(plugin) {
    this.result.lastPlugin = plugin
    try {
      if (typeof plugin === 'object' && plugin.Once) {
        if (this.result.root.type === 'document') {
          let roots = this.result.root.nodes.map(root =>
            plugin.Once(root, this.helpers)
          )

if (isPromise(roots[0])) {
            return Promise.all(roots)
          }

return roots
        }

return plugin.Once(this.result.root, this.helpers)
      } else if (typeof plugin === 'function') {
        return plugin(this.result.root, this.result)
      }
    } catch (error) {
      throw this.handleError(error)
    }
  }

stringify() {
    if (this.error) throw this.error
    if (this.stringified) return this.result
    this.stringified = true

this.sync()

let opts = this.result.opts
    let str = stringify
    if (opts.syntax) str = opts.syntax.stringify
    if (opts.stringifier) str = opts.stringifier
    if (str.stringify) str = str.stringify

let map = new MapGenerator(str, this.result.root, this.result.opts)
    let data = map.generate()
    this.result.css = data[0]
    this.result.map = data[1]

return this.result
  }

sync() {
    if (this.error) throw this.error
    if (this.processed) return this.result
    this.processed = true

if (this.processing) {
      throw this.getAsyncError()
    }

for (let plugin of this.plugins) {
      let promise = this.runOnRoot(plugin)
      if (isPromise(promise)) {
        throw this.getAsyncError()
      }
    }

this.prepareVisitors()
    if (this.hasListener) {
      let root = this.result.root
      while (!root[isClean]) {
        root[isClean] = true
        this.walkSync(root)
      }
      if (this.listeners.OnceExit) {
        if (root.type === 'document') {
          for (let subRoot of root.nodes) {
            this.visitSync(this.listeners.OnceExit, subRoot)
          }
        } else {
          this.visitSync(this.listeners.OnceExit, root)
        }
      }
    }

return this.result
  }

then(onFulfilled, onRejected) {
    if (process.env.NODE_ENV !== 'production') {
      if (!('from' in this.opts)) {
        warnOnce(
          'Without `from` option PostCSS could generate wrong source map ' +
            'and will not find Browserslist config. Set it to CSS file path ' +
            'or to `undefined` to prevent this warning.'
        )
      }
    }
    return this.async().then(onFulfilled, onRejected)
  }

toString() {
    return this.css
  }

visitSync(visitors, node) {
    for (let [plugin, visitor] of visitors) {
      this.result.lastPlugin = plugin
      let promise
      try {
        promise = visitor(node, this.helpers)
      } catch (e) {
        throw this.handleError(e, node.proxyOf)
      }
      if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
        return true
      }
      if (isPromise(promise)) {
        throw this.getAsyncError()
      }
    }
  }

visitTick(stack) {
    let visit = stack[stack.length - 1]
    let { node, visitors } = visit

if (node.type !== 'root' && node.type !== 'document' && !node.parent) {
      stack.pop()
      return
    }

if (visitors.length > 0 && visit.visitorIndex < visitors.length) {
      let [plugin, visitor] = visitors[visit.visitorIndex]
      visit.visitorIndex += 1
      if (visit.visitorIndex === visitors.length) {
        visit.visitors = []
        visit.visitorIndex = 0
      }
      this.result.lastPlugin = plugin
      try {
        return visitor(node.toProxy(), this.helpers)
      } catch (e) {
        throw this.handleError(e, node)
      }
    }

if (visit.iterator !== 0) {
      let iterator = visit.iterator
      let child
      while ((child = node.nodes[node.indexes[iterator]])) {
        node.indexes[iterator] += 1
        if (!child[isClean]) {
          child[isClean] = true
          stack.push(toStack(child))
          return
        }
      }
      visit.iterator = 0
      delete node.indexes[iterator]
    }

let events = visit.events
    while (visit.eventIndex < events.length) {
      let event = events[visit.eventIndex]
      visit.eventIndex += 1
      if (event === CHILDREN) {
        if (node.nodes && node.nodes.length) {
          node[isClean] = true
          visit.iterator = node.getIterator()
        }
        return
      } else if (this.listeners[event]) {
        visit.visitors = this.listeners[event]
        return
      }
    }
    stack.pop()
  }

walkSync(node) {
    node[isClean] = true
    let events = getEvents(node)
    for (let event of events) {
      if (event === CHILDREN) {
        if (node.nodes) {
          node.each(child => {
            if (!child[isClean]) this.walkSync(child)
          })
        }
      } else {
        let visitors = this.listeners[event]
        if (visitors) {
          if (this.visitSync(visitors, node.toProxy())) return
        }
      }
    }
  }

warnings() {
    return this.sync().warnings()
  }
}

LazyResult.registerPostcss = dependant => {
  postcss = dependant
}

module.exports = LazyResult
LazyResult.default = LazyResult

Root.registerLazyResult(LazyResult)
Document.registerLazyResult(LazyResult)

cmd: