Grammalecte  jsex_map.js at [2fd7dc4dd5]

File gc_core/js/jsex_map.js artifact 975706110f part of check-in 2fd7dc4dd5

// Map

Map.prototype._shallowCopy = function () {
    let oNewMap = new Map();
    for (let [key, val] of this.entries()) {
        oNewMap.set(key, val);
    }
    return oNewMap;
}

Map.prototype._get = function (key, defaultValue) {
    let res = this.get(key);
    if (res !== undefined) {
        return res;
    }
    return defaultValue;
}

Map.prototype._toString = function () {
    // Default .toString() gives nothing useful
    let sRes = "{ ";
    for (let [k, v] of this.entries()) {
        sRes += (typeof k === "string") ? '"' + k + '": ' : k.toString() + ": ";
        sRes += (typeof v === "string") ? '"' + v + '", ' : v.toString() + ", ";
    }
    sRes = sRes.slice(0, -2) + " }"
    return sRes;
}

Map.prototype._update = function (dDict) {
    for (let [k, v] of dDict.entries()) {
        this.set(k, v);
    }
}

Map.prototype._updateOnlyExistingKeys = function (dDict) {
    for (let [k, v] of dDict.entries()) {
        if (this.has(k)){
            this.set(k, v);
        }
    }
}