Function applyCommand

frontend/util/ijson.ts:222–250

(data: any, command: any)

}

function applyCommand(data: any, command: any): any {
    if (command == null) {
        throw new Error("Invalid command (null)");
    }
    if (!isObject(command)) {
        throw new Error("Invalid command (not an object): " + command);
    }
    const commandType = command.type;
    if (commandType == null) {
        throw new Error("Invalid command (no type): " + command);
    }
    const path = getCommandPath(command);
    if (!checkPath(path)) {
        throw new Error("Invalid command path: " + formatPath(path));
    }
    switch (commandType) {
        case "set":
            return setPath(data, path, command.value, null);

        case "del":
            return setPath(data, path, null, { remove: true });

        case "append":
            return setPath(data, path, command.value, { combinefn: combineFn_arrayAppend });

        default:
            throw new Error("Invalid command type: " + commandType);
    }
}

export { applyCommand, combineFn_arrayAppend, getPath, setPath };
export type { PathType, SetPathOpts };