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https://github.com/foliant-docs/foliantcontrib.bindfigma

Figma integration preprocessor for Foliant.
https://github.com/foliant-docs/foliantcontrib.bindfigma

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Figma integration preprocessor for Foliant.

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# BindFigma

BindFigma is a preprocessor that downloads and optionally resizes design layout images from [Figma](https://www.figma.com/), and binds these images with the documentation project.

The preprocessor uses [Figma REST API](https://www.figma.com/developers/api) to get URLs of images to download. To use the preprocessor, you should get an [access token](https://www.figma.com/developers/api#access-tokens) for it via your Figma account.

If you need to resize downloaded images, you should install [ImageMagick](https://imagemagick.org/).

## Installation

```bash
$ pip install foliantcontrib.bindfigma
```

## Config

To enable the preprocessor, add `bindfigma` to `preprocessors` section in the project config:

```yaml
preprocessors:
- bindfigma
```

The preprocessor has a number of options with the following default values:

```yaml
preprocessors:
- bindfigma:
cache_dir: !path .bindfigmacache
api_caching: disabled
convert_path: convert
caption: ''
hyperlinks: true
multi_delimeter: '\n\n'
resize: null
access_token: null
file_key: null
ids: null
scale: null
format: null
svg_include_id: null
svg_simplify_stroke: null
use_absolute_bounds: null
version: null
```

Some values of options specified in the project config may be overridden by tag attributes, see below.

`cache_dir`
: Directory to store cached API responses, downloaded and resized images.

`api_caching`
: API responses caching mode. Available values: `disabled`—switch off unconditionally; `enabled`—switch on unconditionally; `env`—switch on only if the `FOLIANT_FIGMA_CACHING` environment variable is set, otherwise switch off. If this mode is switched on, the preprocessor caches Figma API responses locally and uses cached data instead of performing API request. In this case, Figma node updating without changing API URL may not take effect.

`convert_path`
: Path to `convert` binary, a part of ImageMagick. If resizing is not needed, ImageMagick will not be used.

`caption`
: Caption of images. The `{{image_id}}` placeholder in the caption will be replaced with Figma node ID.

`hyperlinks`
: Flag that tells the preprocessor to wrap image references into hyperlinks to related Figma URLs.

`multi_delimeter`
: String that should separate multiple image references.

`resize`
: Width of resulting images in pixels. If not specified, resizing is not performed.

`access_token`
: Access token that you can generate in your Figma account.

`file_key`
: ID of the Figma file.

`ids`
: One or more IDs of nodes in the Figma file. May be specified as a list or as a comma-separated string.

`scale`, `format`, `svg_include_id`, `svg_simplify_stroke`, `use_absolute_bounds`, `version`
: Query parameters to use in Figma API requests, see descriptions in [Figma API documentation](https://www.figma.com/developers/api#get-images-endpoint).

## Usage

To insert a design layout image from Figma into your documentation, use `...` tags in Markdown source:

```markdown
Here’s an image from Figma:

```

You may use tag attributes to override the values of the project config options with the same names. All the options excepting `cache_dir`, `api_caching` and `convert_path` may be overridden in this way.

BindFigma preprocessor will replace such statements with local image references. If `ids` refers to more than one image, a set of image references will be generated. Multiple image references will be separated with the string specified as `multi_delimeter`.