Grammalecte  Diff

        if (!(this.nCompressionMethod == 1 || this.nCompressionMethod == 2 || this.nCompressionMethod == 3)) {
            throw RangeError("# Error. Unknown dictionary compression method: " + this.nCompressionMethod);
        }
        // <dChar> to get the value of an arc, <dCharVal> to get the char of an arc with its value
        this.dChar = helpers.objectToMap(this.dChar);
        this.dCharVal = this.dChar.gl_reverse();
        this.a2grams = new Set(this.l2grams);
        //console.log(this.l2grams);

        if (this.cStemming == "S") {
            this.funcStemming = str_transform.changeWordWithSuffixCode;
        } else if (this.cStemming == "A") {
            this.funcStemming = str_transform.changeWordWithAffixCode;
        } else {
            this.funcStemming = str_transform.noStemming;

        }
    }

    isNgramsOK (sChars) {
        if (sChars.length != 2) {
            return true;
        }
        return this.a2grams.has(sChars); //slower than indexOf in an Array?
        //return this.l2grams.indexOf(sChars) !== false;
    }

    * _getCharArcs (iAddr) {
        // generator: yield all chars and addresses from node at address <iAddr>
        for (let [nVal, jAddr] of this._getArcs(iAddr)) {
            if (nVal <= this.nChar) {
                yield [this.dCharVal.get(nVal), jAddr];