opencolor/src/meta_value.js

A collection of functions to parse Open Color files, construct them via code and write them

'use strict'

import Reference from './reference'
import ColorValue from './color_value'

/* This is a trick to get rid of circular dependencies between Reference and MetaProxy */
/** @ignore */
export default function metaValue (value) {
  var newValue = value
  if (typeof (value) === 'string') {
    if (value.match(/^=/)) {
      // shortcut for creating references
      let name = value.slice(1).trim()
      newValue = new Reference('metachild', name)
    } else if (value.match(/^#([a-fA-F0-9]){3,8}/) || value.match(/^rgba?\(.*\)$/)) {
      // shortcut for creating colors
      newValue = ColorValue.fromColorValue(value)
    } else if (value.toLowerCase() === 'true' || value.toLowerCase() === 'yes') {
      newValue = true
    } else if (value.toLowerCase() === 'false' || value.toLowerCase() === 'no') {
      newValue = false
    } else if (value.match(/^[0-9\.,]+$/)) {
      let num = parseFloat(value)
      if (!isNaN(num)) {
        newValue = num
      }
    }
  }
  return newValue
}