@jbrowse/core/util/map-obj.js

JBrowse 2 core libraries used by plugins

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = map;
const isObject = (value) => typeof value === 'object' && value !== null;
const isObjectCustom = (value) => isObject(value) &&
    !(value instanceof RegExp) &&
    !(value instanceof Error) &&
    !(value instanceof Date) &&
    !(globalThis.Blob && value instanceof globalThis.Blob);
function map(object, mapper, isSeen = new WeakSet()) {
    if (isSeen.has(object)) {
        return;
    }
    isSeen.add(object);
    const mapArray = (array) => {
        for (const element of array) {
            mapper(element);
            if (isObject(element)) {
                map(element, mapper, isSeen);
            }
        }
    };
    if (Array.isArray(object)) {
        mapArray(object);
    }
    for (const value of Object.values(object)) {
        mapper(value);
        if (isObjectCustom(value)) {
            if (Array.isArray(value)) {
                mapArray(value);
            }
            else {
                map(value, mapper, isSeen);
            }
        }
    }
}