composr-core/src/lib/paramsExtractor.js

CompoSR core functions

'use strict'

var XRegExp = require('xregexp')

function extractParams (path, phraseRegexpReference) {
  var params = {}

  // Store all the names as null values
  phraseRegexpReference.params.forEach(function (param) {
    param = param.replace('?', '')
    params[param] = null
  })

  var regexp = XRegExp(phraseRegexpReference.regexp)
  var result = XRegExp.exec(path, regexp)

  Object.keys(params).forEach(function (param) {
    if (result && result.hasOwnProperty(param) && typeof (result[param]) !== 'undefined') {
      params[param] = result[param]
    }
  })

  return params
}

module.exports = {
  extract: extractParams
}