spiegel-keyman/developer/js/source/lexical-model-compiler/lexical-model.ts

62 lines
2 KiB
TypeScript

/**
* Interfaces and constants used by the lexical model compiler. These target
* the LMLayer's internal worker code, so we provide those definitions too.
*/
/// <reference path="../../../../common/predictive-text/worker/worker-compiler-interfaces.d.ts" />
/**
* ****** TODO: DELETE ME******
*
* This form of specifying word breakers is not implemented.
*
*/
interface ClassBasedWordBreaker {
allowedCharacters?: { initials?: string, medials?: string, finals?: string } | string,
defaultBreakCharacter?: string
sources?: Array<string>;
/**
* The name of the type to instantiate (without parameters) as the base object for a custom word-breaking model.
*/
rootClass?: string
}
interface LexicalModel {
readonly format: 'trie-1.0'|'fst-foma-1.0'|'custom-1.0',
//... metadata ...
}
interface LexicalModelSource extends LexicalModel {
readonly sources: Array<string>;
/**
* The name of the type to instantiate (without parameters) as the base object for a custom predictive model.
*/
readonly rootClass?: string
/**
* Which word breaker to use. Choose from:
*
* - 'default' -- breaks according to Unicode UAX #29 §4.1 Default Word
* Boundary Specification, which works well for *most* languages.
* - 'ascii' -- a very simple word breaker, for demonstration purposes only.
* - word breaking function -- provide your own function that breaks words.
* - class-based word-breaker - may be supported in the future.
*/
readonly wordBreaker?: 'default' | 'ascii' | WordBreakingFunction | ClassBasedWordBreaker;
/**
* How to simplify words, to convert them into simplifired search keys
* This often involves removing accents, lowercasing, etc.
*/
readonly searchTermToKey?: (term: string) => string;
/**
* Punctuation and spacing suggested by the model.
*
* @see LexicalModelPunctuation
*/
readonly punctuation?: LexicalModelPunctuation;
}
interface LexicalModelCompiled extends LexicalModel {
readonly id: string;
}