register()

in modularity/module-manager.js [42:79]

• 30 lines of code
• 12 McCabe index (conditional complexity)

    register(componentInfo) {
        if (!utils.isObject(componentInfo)) {
            throw new Error("componentInfo must be an object");
        }

        if (!utils.isString(componentInfo.name)) {
            throw new Error("componentInfo.name must be supplied.");
        }

        if (!utils.isFunction(componentInfo.descriptor)) {
            throw new Error("componentInfo.descriptor must be a function.");
        }

        if (!utils.isNullOrUndefined(componentInfo.deps)
            && !Array.isArray(componentInfo.deps)) {
            throw new Error(`The deps of component "${componentInfo.name}" should be an array of string.`);
        }

        if (this.componentType && this.componentType !== componentInfo.type) {
            return this;
        }

        if (Array.isArray(componentInfo.deps)) {
            for (const depName of componentInfo.deps) {
                if (!utils.isString(depName)) {
                    throw new Error(`The deps of component "${componentInfo.name}" should be an array of string.`);
                }
            }
        }

        if (componentInfo.name in this.components) {
            throw new Error(`The component is already taken: ${componentInfo.name}`)
        }

        this.components[componentInfo.name] = componentInfo;

        return this;
    }