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https://github.com/nativescript-community/document-scanner


https://github.com/nativescript-community/document-scanner

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@nativescript-community/document-scanner



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NPM Version


A NativeScript plugin to scan documents


| | |
| --- | ----------- |
| iOS Demo | Android Demo |

[](#table-of-contents)

[](#table-of-contents)

## Table of Contents

* [Installation](#installation)
* [Usage](#usage)
* [iOS ](#ios-)
* [Demos](#demos)
* [Demos and Development](#demos-and-development)
* [Repo Setup](#repo-setup)
* [Build](#build)
* [Demos](#demos-1)
* [Contributing](#contributing)
* [Update repo ](#update-repo-)
* [Update readme ](#update-readme-)
* [Update doc ](#update-doc-)
* [Publish](#publish)
* [modifying submodules](#modifying-submodules)
* [Questions](#questions)

[](#installation)

[](#installation)

## Installation
Run the following command from the root of your project:

`ns plugin add @nativescript-community/document-scanner`

[](#usage)

[](#usage)

## Usage

To use that plugin you need camera permission.
Dont forget to ask for it at runtime using something like
```ts
import { request } from '@nativescript-community/perms';
await request('camera');
```

After that:
```ts
const documentScanner = new DocumentScanner();
try {
const result: string[] | any[] /* UIImage[] on iOS */ = await documentScanner.startScan();
console.log('scan result', result);
} catch (error) {
console.error(error);
}
```

You can see the options in the typings.

### iOS

On ios the result is an array of `UIImage`

[](#demos)

[](#demos)

## Demos
This repository includes Svelte demos. In order to run these execute the following in your shell:
```shell
$ git clone https://github.com/@nativescript-community/document-scanner
$ cd document-scanner
$ npm run i
$ npm run setup
$ npm run build
$ cd demo-svelte
$ ns run ios|android
```

[](#demos-and-development)

[](#demos-and-development)

## Demos and Development

### Repo Setup

The repo uses submodules. If you did not clone with ` --recursive` then you need to call
```
git submodule update --init
```

The package manager used to install and link dependencies must be `pnpm` or `yarn`. `npm` wont work.

To develop and test:
if you use `yarn` then run `yarn`
if you use `pnpm` then run `pnpm i`

**Interactive Menu:**

To start the interactive menu, run `npm start` (or `yarn start` or `pnpm start`). This will list all of the commonly used scripts.

### Build

```bash
npm run build.all
```
WARNING: it seems `yarn build.all` wont always work (not finding binaries in `node_modules/.bin`) which is why the doc explicitly uses `npm run`

### Demos

```bash
npm run demo.[ng|react|svelte|vue].[ios|android]

npm run demo.svelte.ios # Example
```

Demo setup is a bit special in the sense that if you want to modify/add demos you dont work directly in `demo-[ng|react|svelte|vue]`
Instead you work in `demo-snippets/[ng|react|svelte|vue]`
You can start from the `install.ts` of each flavor to see how to register new demos

[](#contributing)

[](#contributing)

## Contributing

### Update repo

You can update the repo files quite easily

First update the submodules

```bash
npm run update
```

Then commit the changes
Then update common files

```bash
npm run sync
```
Then you can run `yarn|pnpm`, commit changed files if any

### Update readme
```bash
npm run readme
```

### Update doc
```bash
npm run doc
```

### Publish

The publishing is completely handled by `lerna` (you can add `-- --bump major` to force a major release)
Simply run
```shell
npm run publish
```

### modifying submodules

The repo uses https:// for submodules which means you won't be able to push directly into the submodules.
One easy solution is t modify `~/.gitconfig` and add
```
[url "ssh://git@github.com/"]
pushInsteadOf = https://github.com/
```

[](#questions)

[](#questions)

## Questions

If you have any questions/issues/comments please feel free to create an issue or start a conversation in the [NativeScript Community Discord](https://nativescript.org/discord).

[](#demos-and-development)

## Demos and Development

### Repo Setup

The repo uses submodules. If you did not clone with ` --recursive` then you need to call
```
git submodule update --init
```

The package manager used to install and link dependencies must be `pnpm` or `yarn`. `npm` wont work.

To develop and test:
if you use `yarn` then run `yarn`
if you use `pnpm` then run `pnpm i`

**Interactive Menu:**

To start the interactive menu, run `npm start` (or `yarn start` or `pnpm start`). This will list all of the commonly used scripts.

### Build

```bash
npm run build.all
```
WARNING: it seems `yarn build.all` wont always work (not finding binaries in `node_modules/.bin`) which is why the doc explicitly uses `npm run`

### Demos

```bash
npm run demo.[ng|react|svelte|vue].[ios|android]

npm run demo.svelte.ios # Example
```

Demo setup is a bit special in the sense that if you want to modify/add demos you dont work directly in `demo-[ng|react|svelte|vue]`
Instead you work in `demo-snippets/[ng|react|svelte|vue]`
You can start from the `install.ts` of each flavor to see how to register new demos

[](#contributing)

## Contributing

### Update repo

You can update the repo files quite easily

First update the submodules

```bash
npm run update
```

Then commit the changes
Then update common files

```bash
npm run sync
```
Then you can run `yarn|pnpm`, commit changed files if any

### Update readme
```bash
npm run readme
```

### Update doc
```bash
npm run doc
```

### Publish

The publishing is completely handled by `lerna` (you can add `-- --bump major` to force a major release)
Simply run
```shell
npm run publish
```

### modifying submodules

The repo uses https:// for submodules which means you won't be able to push directly into the submodules.
One easy solution is t modify `~/.gitconfig` and add
```
[url "ssh://git@github.com/"]
pushInsteadOf = https://github.com/
```

[](#questions)

## Questions

If you have any questions/issues/comments please feel free to create an issue or start a conversation in the [NativeScript Community Discord](https://nativescript.org/discord).