search

type DocOpts struct {
	IndexPath   string // path to save/load the index
	LoadPath    string // directory to load documents from
	LoadContent bool
	LenPreview  int
	Compressed  bool
}

type Document struct {
	Name    string `json:"name"`
	Date    string `json:"date"`
	Preview string `json:"preview"` // first N characters, using ellipsis if truncated
	Length  int    // number of words in the document
	Content string // full content, lowercase
}

type Index struct {
	TMap map[string]TermFreq `json:"t_map"` // term map
	// contains filtered or unexported fields
}

type Loader func(opts DocOpts) ([]Document, error)

type MakeDoc func(file fs.DirEntry, opts DocOpts) (Document, error)

type Normalizer func(text string) string

type SearchOpts struct {
	Limit int
}

type SearchResult struct {
	*Document
	Score float64
}

type TermFreq struct {
	Idf   float64            `json:"idf"`
	TfMap map[string]float64 `json:"tf_map"` // key: doc name, value: tf in doc
}