Grammalecte  Diff

    constructor (sWord, nDistLimit=-1) {
        this.sWord = sWord;
        this.sSimplifiedWord = char_player.simplifyWord(sWord);
        this.nDistLimit = (nDistLimit >= 0) ? nDistLimit :  Math.floor(sWord.length / 3) + 1;
        this.nMinDist = 1000;
        this.aSugg = new Set();
        this.dSugg = new Map([ [0, []],  [1, []],  [2, []] ]);
        this.aAllSugg = new Set();      // all found words even those refused
    }

    addSugg (sSugg, nDeep=0) {
        // add a suggestion
        if (this.aAllSugg.has(sSugg)) {
            return;
        }
        this.aAllSugg.add(sSugg);
        if (!this.aSugg.has(sSugg)) {
            let nDist = str_transform.distanceDamerauLevenshtein(this.sSimplifiedWord, char_player.simplifyWord(sSugg));
            if (nDist <= this.nDistLimit) {
                if (!this.dSugg.has(nDist)) {
                    this.dSugg.set(nDist, []);
                }
                this.dSugg.get(nDist).push(sSugg);