0.0.10 • Published 11 months ago

react18-file-viewer v0.0.10

Weekly downloads
-
License
MIT
Repository
github
Last release
11 months ago

react18-file-viewer

Extendable file viewer for web

Supported file formats:

  • Images: png, jpeg, gif, bmp, including 360-degree images
  • pdf
  • csv
  • xslx
  • docx
  • Video: mp4, webm
  • Audio: mp3

Usage

Note this module works best with react 18+

There is one main React component, FileViewer, that takes the following props:

fileType string: type of resource to be shown (one of the supported file formats, eg 'png'). Passing in an unsupported file type will result in displaying an unsupported file type message (or a custom component).

filePath string: the url of the resource to be shown by the FileViewer.

onError function optional: function that will be called when there is an error in the file viewer fetching or rendering the requested resource. This is a place where you can pass a callback for a logging utility.

errorComponent react element optional: A component to render in case of error instead of the default error component that comes packaged with react-file-viewer.

unsupportedComponent react element optional: A component to render in case the file format is not supported.

To use a custom error component, you might do the following:

// MyApp.js
import React, { Component } from 'react';
import logger from 'logging-library';
import {FileViewer} from 'react18-file-viewer';
import { CustomErrorComponent } from 'custom-error';

const file = 'http://example.com/image.png'
const type = 'png'

class MyComponent extends Component {
  render() {
    return (
      <FileViewer
        fileType={type}
        filePath={file}
        errorComponent={CustomErrorComponent}
        onError={this.onError}/>
    );
  }

  onError(e) {
    logger.logError(e, 'error in file-viewer');
  }
}

Development

There is a demo app built into this library that can be used for development purposes.

To start demo app

npm run dev will start the demo app

To run the linter

npm run lint

Extending the file viewer

Adding supported file types is easy (and pull requests are welcome!). Say, for example, you want to add support for .rtf files. First, you need to create a "driver" for that file type. A driver is just a component that is capable of rendering that file type. (See what exists now in src/components/drivers.) After you've created the driver component and added it to src/components/drivers, you simply need to import the component into file-vewer.jsx and add a switch clause for rtf to the getDriver method. Ie:

case 'rtf':
  return RtfViewer;

Roadmap

  • Remove ignored linting rules and fix them

React + TypeScript + Vite

This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.

Currently, two official plugins are available:

Expanding the ESLint configuration

If you are developing a production application, we recommend updating the configuration to enable type aware lint rules:

  • Configure the top-level parserOptions property like this:
export default {
    // other rules...
    parserOptions: {
        ecmaVersion: "latest",
        sourceType: "module",
        project: ["./tsconfig.json", "./tsconfig.node.json"],
        tsconfigRootDir: __dirname,
    },
};
  • Replace plugin:@typescript-eslint/recommended to plugin:@typescript-eslint/recommended-type-checked or plugin:@typescript-eslint/strict-type-checked
  • Optionally add plugin:@typescript-eslint/stylistic-type-checked
  • Install eslint-plugin-react and add plugin:react/recommended & plugin:react/jsx-runtime to the extends list
0.0.10

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