txho/dist/filterObj.js

Get a Bitcoin transaction as JSON for CLI and node

"use strict";
exports.__esModule = true;
var recursiveCloneAndFilter = function (object, predicate, objectPath, knownObjects) {
    if (objectPath === void 0) { objectPath = []; }
    if (knownObjects === void 0) { knownObjects = []; }
    if (object && !knownObjects.includes(object) && typeof object === 'object') {
        if (object.constructor && object.constructor.name === 'Object') {
            var currentknownObjects_1 = knownObjects.concat([object]);
            var copy_1 = {};
            Object.keys(object).forEach(function (key) {
                var value = object[key];
                var currentPath = objectPath.concat(key);
                if (predicate(currentPath, value)) {
                    copy_1[key] = recursiveCloneAndFilter(value, predicate, currentPath, currentknownObjects_1);
                }
            });
            return copy_1;
        }
        else if (Array.isArray(object)) {
            var copy_2 = [];
            object.forEach(function (value, index) {
                copy_2[index] = recursiveCloneAndFilter(value, predicate, objectPath, knownObjects);
            });
            return copy_2;
        }
    }
    return object;
};
var arrayStartsWithArray = function (a, b) {
    return (b.filter(function (element, index) {
        return a[index] !== b[index];
    }).length === 0);
};
exports["default"] = (function (object, projection) {
    var defaultPredicate = !Object.values(projection).includes(1);
    return recursiveCloneAndFilter(object, function (cpath) {
        var filteredPaths = Object.keys(projection).filter(function (ppathString) {
            var cpathString = cpath.join('.');
            var ppath = ppathString.split('.');
            if (arrayStartsWithArray(ppath, cpath) || arrayStartsWithArray(cpath, ppath)) {
                if (defaultPredicate) {
                    return ppathString === cpathString && !projection[ppathString] === defaultPredicate;
                }
                return ppathString === cpathString || !projection[ppathString] === defaultPredicate;
            }
            return false;
        });
        if (filteredPaths.length) {
            return !defaultPredicate;
        }
        return defaultPredicate;
    });
});