FM / postcss-js

/opt/canhelp/node_modules/postcss-js

Name	Size	Mode	Actions
async.js	358	0644	edit dl rm
index.js	193	0644	edit dl rm
index.mjs	192	0644	edit dl rm
LICENSE	1095	0644	edit dl rm
objectifier.js	2351	0644	edit dl rm
package.json	1016	0644	edit dl rm
parser.js	2295	0644	edit dl rm
process-result.js	300	0644	edit dl rm
README.md	724	0644	edit dl rm
sync.js	325	0644	edit dl rm

Edit: /opt/canhelp/node_modules/postcss-js/parser.js (2295B)

let postcss = require('postcss')

let IMPORTANT = /\s*!important\s*$/i

let UNITLESS = {
  'box-flex': true,
  'box-flex-group': true,
  'column-count': true,
  'flex': true,
  'flex-grow': true,
  'flex-positive': true,
  'flex-shrink': true,
  'flex-negative': true,
  'font-weight': true,
  'line-clamp': true,
  'line-height': true,
  'opacity': true,
  'order': true,
  'orphans': true,
  'tab-size': true,
  'widows': true,
  'z-index': true,
  'zoom': true,
  'fill-opacity': true,
  'stroke-dashoffset': true,
  'stroke-opacity': true,
  'stroke-width': true
}

function dashify(str) {
  return str
    .replace(/([A-Z])/g, '-$1')
    .replace(/^ms-/, '-ms-')
    .toLowerCase()
}

function decl(parent, name, value) {
  if (value === false || value === null) return

if (!name.startsWith('--')) {
    name = dashify(name)
  }

if (typeof value === 'number') {
    if (value === 0 || UNITLESS[name]) {
      value = value.toString()
    } else {
      value += 'px'
    }
  }

if (name === 'css-float') name = 'float'

if (IMPORTANT.test(value)) {
    value = value.replace(IMPORTANT, '')
    parent.push(postcss.decl({ prop: name, value, important: true }))
  } else {
    parent.push(postcss.decl({ prop: name, value }))
  }
}

function atRule(parent, parts, value) {
  let node = postcss.atRule({ name: parts[1], params: parts[3] || '' })
  if (typeof value === 'object') {
    node.nodes = []
    parse(value, node)
  }
  parent.push(node)
}

function parse(obj, parent) {
  let name, node, value
  for (name in obj) {
    value = obj[name]
    if (value === null || typeof value === 'undefined') {
      continue
    } else if (name[0] === '@') {
      let parts = name.match(/@(\S+)(\s+([\W\w]*)\s*)?/)
      if (Array.isArray(value)) {
        for (let i of value) {
          atRule(parent, parts, i)
        }
      } else {
        atRule(parent, parts, value)
      }
    } else if (Array.isArray(value)) {
      for (let i of value) {
        decl(parent, name, i)
      }
    } else if (typeof value === 'object') {
      node = postcss.rule({ selector: name })
      parse(value, node)
      parent.push(node)
    } else {
      decl(parent, name, value)
    }
  }
}

module.exports = function (obj) {
  let root = postcss.root()
  parse(obj, root)
  return root
}

cmd: