lunr.Index.load = function()

in assets/js/lunr/lunr.js [2288:2328]

• 32 lines of code
• 4 McCabe index (conditional complexity)

lunr.Index.load = function (serializedIndex) {
  var attrs = {},
      fieldVectors = {},
      serializedVectors = serializedIndex.fieldVectors,
      invertedIndex = Object.create(null),
      serializedInvertedIndex = serializedIndex.invertedIndex,
      tokenSetBuilder = new lunr.TokenSet.Builder,
      pipeline = lunr.Pipeline.load(serializedIndex.pipeline)

  if (serializedIndex.version != lunr.version) {
    lunr.utils.warn("Version mismatch when loading serialised index. Current version of lunr '" + lunr.version + "' does not match serialized index '" + serializedIndex.version + "'")
  }

  for (var i = 0; i < serializedVectors.length; i++) {
    var tuple = serializedVectors[i],
        ref = tuple[0],
        elements = tuple[1]

    fieldVectors[ref] = new lunr.Vector(elements)
  }

  for (var i = 0; i < serializedInvertedIndex.length; i++) {
    var tuple = serializedInvertedIndex[i],
        term = tuple[0],
        posting = tuple[1]

    tokenSetBuilder.insert(term)
    invertedIndex[term] = posting
  }

  tokenSetBuilder.finish()

  attrs.fields = serializedIndex.fields

  attrs.fieldVectors = fieldVectors
  attrs.invertedIndex = invertedIndex
  attrs.tokenSet = tokenSetBuilder.root
  attrs.pipeline = pipeline

  return new lunr.Index(attrs)
}