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# TSDX User Guide | ||
# @samyca/mailflow | ||
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Congrats! You just saved yourself hours of work by bootstrapping this project with TSDX. Let’s get you oriented with what’s here and how to use it. | ||
A comprehensive tool for handling email flows in Node.js applications, providing functionalities for sending, receiving, and parsing emails with ease. | ||
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> This TSDX setup is meant for developing libraries (not apps!) that can be published to NPM. If you’re looking to build a Node app, you could use `ts-node-dev`, plain `ts-node`, or simple `tsc`. | ||
## Features | ||
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> If you’re new to TypeScript, checkout [this handy cheatsheet](https://devhints.io/typescript) | ||
- Send emails using SMTP protocol. | ||
- Fetch and parse emails from IMAP servers. | ||
- Extract data from emails using CSS queries. | ||
- Easy integration with Node.js applications. | ||
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## Commands | ||
## Installation | ||
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TSDX scaffolds your new library inside `/src`. | ||
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To run TSDX, use: | ||
Install using npm: | ||
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```bash | ||
npm start # or yarn start | ||
npm install @samyca/mailflow | ||
``` | ||
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This builds to `/dist` and runs the project in watch mode so any edits you save inside `src` causes a rebuild to `/dist`. | ||
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To do a one-off build, use `npm run build` or `yarn build`. | ||
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To run tests, use `npm test` or `yarn test`. | ||
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## Configuration | ||
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Code quality is set up for you with `prettier`, `husky`, and `lint-staged`. Adjust the respective fields in `package.json` accordingly. | ||
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### Jest | ||
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Jest tests are set up to run with `npm test` or `yarn test`. | ||
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### Bundle Analysis | ||
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[`size-limit`](https://github.com/ai/size-limit) is set up to calculate the real cost of your library with `npm run size` and visualize the bundle with `npm run analyze`. | ||
Or using yarn: | ||
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#### Setup Files | ||
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This is the folder structure we set up for you: | ||
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```txt | ||
/src | ||
index.tsx # EDIT THIS | ||
/test | ||
blah.test.tsx # EDIT THIS | ||
.gitignore | ||
package.json | ||
README.md # EDIT THIS | ||
tsconfig.json | ||
```bash | ||
yarn add @samyca/mailflow | ||
``` | ||
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### Rollup | ||
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TSDX uses [Rollup](https://rollupjs.org) as a bundler and generates multiple rollup configs for various module formats and build settings. See [Optimizations](#optimizations) for details. | ||
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### TypeScript | ||
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`tsconfig.json` is set up to interpret `dom` and `esnext` types, as well as `react` for `jsx`. Adjust according to your needs. | ||
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## Continuous Integration | ||
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### GitHub Actions | ||
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Two actions are added by default: | ||
## Usage | ||
### Creating an Account | ||
```js | ||
import { createAccount, createRandomAccount } from '@samyca/mailflow'; | ||
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- `main` which installs deps w/ cache, lints, tests, and builds on all pushes against a Node and OS matrix | ||
- `size` which comments cost comparison of your library on every pull request using [`size-limit`](https://github.com/ai/size-limit) | ||
async function setupOtherAccount() { | ||
const account = await createRandomAccount(); | ||
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## Optimizations | ||
console.log(account); | ||
} | ||
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Please see the main `tsdx` [optimizations docs](https://github.com/palmerhq/tsdx#optimizations). In particular, know that you can take advantage of development-only optimizations: | ||
async function setupAccount() { | ||
const account = await createAccount({ | ||
smtpHost: 'smtp.example.com', | ||
smtpPort: 587, | ||
smtpSecure: true, | ||
imapHost: 'imap.example.com', | ||
imapPort: 993, | ||
imapSecure: true, | ||
username: 'your_username', | ||
password: 'your_password', | ||
}); | ||
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console.log(account); | ||
} | ||
``` | ||
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### Fetching and Parsing Emails | ||
```js | ||
// ./types/index.d.ts | ||
declare var __DEV__: boolean; | ||
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// inside your code... | ||
if (__DEV__) { | ||
console.log('foo'); | ||
import { createAccount } from '@samyca/mailflow'; | ||
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async function getDataByCssQuery() { | ||
const account = await createAccount({ | ||
imapHost: 'imap.example.com', | ||
imapPort: 993, | ||
imapSecure: true, | ||
username: 'your_username', | ||
password: 'your_password', | ||
}); | ||
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const lastEmail = await account.getLastMail({}); | ||
const data = await lastEmail.getData('div.code'); | ||
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console.log(data); | ||
} | ||
``` | ||
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You can also choose to install and use [invariant](https://github.com/palmerhq/tsdx#invariant) and [warning](https://github.com/palmerhq/tsdx#warning) functions. | ||
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## Module Formats | ||
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CJS, ESModules, and UMD module formats are supported. | ||
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The appropriate paths are configured in `package.json` and `dist/index.js` accordingly. Please report if any issues are found. | ||
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## Named Exports | ||
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Per Palmer Group guidelines, [always use named exports.](https://github.com/palmerhq/typescript#exports) Code split inside your React app instead of your React library. | ||
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## Including Styles | ||
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There are many ways to ship styles, including with CSS-in-JS. TSDX has no opinion on this, configure how you like. | ||
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For vanilla CSS, you can include it at the root directory and add it to the `files` section in your `package.json`, so that it can be imported separately by your users and run through their bundler's loader. | ||
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## Publishing to NPM | ||
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We recommend using [np](https://github.com/sindresorhus/np). |