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@gojek/mlp-ui

@gojek/mlp-ui Library

A library of common React components used by the MLP solutions.

Install

yarn add @gojek/mlp-ui

Packages

auth

Contains React context (AuthContext) and necessary components (AuthContextProvider and PrivateRoute) for implementing views that require a user to be authenticated to access them.

components

Generic UI components used by MLP apps (such as header, breadcrumbs, project dropdown etc.).

hooks

Custom React hooks:

• useApi - generic hook for interacting with REST API.

Example:

const DummyButton = () => {
  const [response, sendRequest] = useApi(
    "https://run.mocky.io/v3/7533b0dd-df1b-4f3d-9068-a6ca9a448b8d",
    {
      method: "POST",
      body: JSON.stringify({ hello: "world" }),
      headers: { "Content-Type": "application/json" }
    }, // request options
    {}, // optional, AuthContext, if the API requires authentication
    {}, // initial value of the response.data
    false // whether or not to send the request to the API immediately
  );

  // Send request explicitly
  const onClick = sendRequest;

  // Log response payload when request succeeded
  useEffect(() => {
    const { data, isLoading, isLoaded, error } = response;

    console.log(data);
  }, [response]);

  return <button onClick={onClick}>Hello World!</button>;
};

---

• useMlpApi - custom React hook to talk to mlp-api. It utilizes useApi hook under the hook, but pre-populates it with the AuthContext and modifies endpoint value to prefix it with the root URL where MLP-api is accessible.

Example:

const [response, fetch] = useMlpApi(
  `/v1/projects/${projectId}/environments`,
  {}, // request options
  [], // initial value of the response.data
  true // whether or not to send the request to the API immediately
);

---

• useToggle - custom React hook for defining a boolean value that can only be switched on and off. To be used in pop-overs, modals etc, where it can represent whether to show or hide a component.

Example:

const [isShowing, toggle] = useToggle(
  true // initialState – optional, default false
);

useEffect(() => {
  if (isShowing) {
    toggle();
  }
  console.log(isShowing);
}, [isShowing]);

Output:

true; // initialState
false; // calling `toggle()` switched the state

---

providers

Context providers that supply config/data to children components:

• MlpApiContextProvider
• ApplicationsContextProvider
• ProjectsContextProvider

---

utils

Misc utils.

Available Scripts

Dev Server

yarn start

Production Bundle

yarn build

Run Lint

yarn lint

To let the linter to try fixing observed issues, run:

yarn lint:fix

Link Library Locally

It can be handy, to link this library locally, when you are working on the application, that has @gojek/mlp-ui as a dependency. For doing it, run:

yarn run link

This will link @gojek/mlp-ui as well as react and react-dom locally, so it can be used in your application. Then run following commands from your project's directory:

cd <your app project>

yarn link @gojek/mlp-ui
yarn link react
yarn link react-dom

When you no longer want to have a local link of @gojek/mlp-ui and want to resolve the library from the npm registry, run:

cd </path/to/mlp-ui/packages/lib>

yarn run unlink

and then:

cd <your app project>

yarn unlink @gojek/mlp-ui
yarn unlink react
yarn unlink react-dom