@logosnetwork/logos-webwallet-sdk/dist/Utils/mqttPattern.js

Create Logos wallets with or without a full Logos node

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var SEPARATOR = '/';
var SINGLE = '+';
var ALL = '#';
var matches = function (pattern, topic) {
    var patternSegments = pattern.split(SEPARATOR);
    var topicSegments = topic.split(SEPARATOR);
    var patternLength = patternSegments.length;
    var topicLength = topicSegments.length;
    var lastIndex = patternLength - 1;
    for (var i = 0; i < patternLength; i++) {
        var currentPattern = patternSegments[i];
        var patternChar = currentPattern[0];
        var currentTopic = topicSegments[i];
        if (!currentTopic && !currentPattern) {
            continue;
        }
        if (!currentTopic && currentPattern !== ALL)
            return false;
        // Only allow # at end
        if (patternChar === ALL) {
            return i === lastIndex;
        }
        if (patternChar !== SINGLE && currentPattern !== currentTopic) {
            return false;
        }
    }
    return patternLength === topicLength;
};
var extract = function (pattern, topic) {
    var params = {};
    var patternSegments = pattern.split(SEPARATOR);
    var topicSegments = topic.split(SEPARATOR);
    var patternLength = patternSegments.length;
    for (var i = 0; i < patternLength; i++) {
        var currentPattern = patternSegments[i];
        var patternChar = currentPattern[0];
        if (currentPattern.length === 1) {
            continue;
        }
        if (patternChar === ALL) {
            params[currentPattern.slice(1)] = topicSegments.slice(i);
            break;
        }
        else if (patternChar === SINGLE) {
            params[currentPattern.slice(1)] = topicSegments[i];
        }
    }
    return params;
};
exports.default = (function (pattern, topic) {
    return matches(pattern, topic) ? extract(pattern, topic) : null;
});
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