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80 lines
7.1 KiB
Markdown
80 lines
7.1 KiB
Markdown
# d3-state-visualizer
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Enables real-time visualization of your application state.
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Created by [@romseguy](https://github.com/romseguy) and merged from [`reduxjs/d3-state-visualizer`](https://github.com/reduxjs/d3-state-visualizer).
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[Demo](http://reduxjs.github.io/d3-state-visualizer)
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## Installation
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`yarn install d3-state-visualizer`
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## Usage
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```javascript
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import { tree } from 'd3-state-visualizer';
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const appState = {
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todoStore: {
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todos: [
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{ title: 'd3' },
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{ title: 'state' },
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{ title: 'visualizer' },
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{ title: 'tree' },
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],
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completedCount: 1,
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},
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};
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const render = tree(document.getElementById('root'), {
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state: appState,
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id: 'treeExample',
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size: 1000,
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aspectRatio: 0.5,
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isSorted: false,
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widthBetweenNodesCoeff: 1.5,
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heightBetweenNodesCoeff: 2,
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chartStyles: { border: '1px solid black' },
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tooltipOptions: { offset: { left: 30, top: 10 }, indentationSize: 2 },
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});
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render();
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```
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## Charts API
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The APIs are minimal and consists of a single function you provide with:
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- a DOM element
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- a plain old JS object for options.
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#### Tree
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This chart is a bit special as it accepts either one of the two following options, but **not both**:
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- `tree`: a properly formed tree structure such as one generated by [map2tree](https://github.com/reduxjs/redux-devtools/tree/master/packages/map2tree) or [react2tree](https://github.com/romseguy/react2tree)
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- `state`: a plain javascript object mapping arbitrarily nested keys to values – which will be transformed into a tree structure, again using [map2tree](https://github.com/reduxjs/redux-devtools/tree/master/packages/map2tree).
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Other options are listed below and have reasonable default values if you want to omit them:
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| Option | Type | Default | Description |
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| ------------------------- | ------- | -------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `id` | String | `'d3svg'` | Sets the identifier of the SVG element —i.e your chart— that will be added to the DOM element you passed as first argument |
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| `chartStyles` | Object | `{}` | Sets the CSS style of the chart |
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| `size` | Number | `500` | Sets size of the chart in pixels |
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| `aspectRatio` | Float | `1.0` | Sets the chart height to `size * aspectRatio` and [viewBox](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/viewBox) in order to preserve the aspect ratio of the chart. [Great video](https://www.youtube.com/watch?v=FCOeMy7HrBc) if you want to learn more about how SVG works |
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| `widthBetweenNodesCoeff` | Float | `1.0` | Alters the horizontal space between each node |
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| `heightBetweenNodesCoeff` | Float | `1.0` | Alters the vertical space between each node |
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| `isSorted` | Boolean | `false` | Sorts the chart in alphabetical order |
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| `transitionDuration` | Number | `750` | Sets the duration of all the transitions used by the chart |
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| `tooltipOptions` | Object | [here](https://github.com/reduxjs/redux-devtools/tree/master/packages/d3tooltip) | Sets the options for the [tooltip](https://github.com/reduxjs/redux-devtools/tree/master/packages/d3tooltip) that is showing up when you're hovering the nodes |
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| `rootKeyName` | String | `'state'` | Sets the first node's name of the resulting tree structure. **Warning**: only works if you provide a `state` option |
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| `pushMethod` | String | `'push'` | Sets the method that shall be used to add array children to the tree. **Warning**: only works if you provide a `state` option |
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More to come...
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## Roadmap
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- Threshold for large arrays so only a single node is displayed instead of all the children. That single node would be exclude from searching until selected.
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