@fauton/cfg/dist/utils/isAllTerminal.js

A package to work with context free grammars and LL1 parsers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isAllTerminal = void 0;
/**
 * Checks if all the letters of a word are terminal
 * @param terminals Array of terminals
 * @param word Word that is required to be check
 * @returns True if all the letters of a word are terminals false otherwise
 */
function isAllTerminal(terminals, word) {
    const terminalsSet = new Set(terminals);
    return word.split(' ').every((letter) => terminalsSet.has(letter));
}
exports.isAllTerminal = isAllTerminal;