Function getPath

frontend/util/ijson.ts:40–63

(obj: any, path: PathType)

}

function getPath(obj: any, path: PathType): any {
    let cur = obj;
    for (const pathPart of path) {
        if (cur == null) {
            return null;
        }
        if (typeof pathPart === "string") {
            if (isObject(cur)) {
                cur = cur[pathPart];
            } else {
                return null;
            }
        } else if (typeof pathPart === "number") {
            if (isArray(cur)) {
                cur = cur[pathPart];
            } else {
                return null;
            }
        } else {
            throw new Error("Invalid path part: " + pathPart);
        }
    }
    return cur;
}

type SetPathOpts = {
    force?: boolean;