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theme-playground

Installation

1. Install the package

npm install -D theme-playground

yarn add -D theme-playground

2. Add it to your app

You can use the withThemePlayground HOC

import withThemePlayground from 'theme-playground';
import { ThemeProvider } from 'styled-components';

const options = {
  theme: {
    colors: {
      primary: 'red'
    },
    fontSize: '80px'
  },
  hide: process.env.NODE_ENV !== 'development'
};

const App = ({ theme }) => (
  <ThemeProvider theme={theme}>
    <Components />
  </ThemeProvider>
);

export default withThemePlayground(App, options);

... or the ThemePlayground component with a render function.

import { ThemePlayground } from 'theme-playground';
import { ThemeProvider } from 'styled-components';

const options = {
  theme: {
    colors: {
      primary: 'red'
    },
    fontSize: '80px'
  }
};

const App = () => (
  <ThemePlayground {...options}>
    {theme => (
      <ThemeProvider theme={theme}>
        <Components />
      </ThemeProvider>
    )}
  </ThemePlayground>
);

useThemePlayground hook

import { useThemePlayground } from 'theme-playground';
import { ThemeProvider } from 'styled-components';

const ChildComponent = () => {
  const { theme, name } = useThemePlayground();

  return (
    <div>
      <p>Current theme: {name}</p>
      <pre>{JSON.stringify(theme, null, 2)}</pre>
    </div>
  );
};

Options

theme

object | Array<{ name: string, theme: object }> | required

The theme object or multiple themes as an array of objects. Look at the Multiple Themes section for an example.

overrides

object | optional

Optional override components of default components. Look at the Overrides section for detailed documentation.

config

object | optional

An additional config object can be added. Look at the Config section for detailed documentation.

config.labelFormat

"path" || "startCase" || (path: string[]) => string | default: "startCase"

config.showCode

boolean | default: true

Set to false no code component will be rendered.

Multiple Themes

To add multiple themes, add an Array to the theme key. Each theme must have a name and a theme key.

import withThemePlayground from 'theme-playground';
import { ThemeProvider } from 'styled-components';

import defaultTheme from 'path/to/default/theme';
import anotherTheme from 'path/to/another/theme';

const options = {
  theme: [
    { name: 'Theme', theme: defaultTheme },
    { name: 'Another Theme', theme: anotherTheme }
  ]
};

const App = ({ theme }) => (
  <ThemeProvider theme={theme}>
    <Components />
  </ThemeProvider>
);

export default withThemePlayground(App, options);

Config

Example

import withThemePlayground from 'theme-playground';
import { ThemeProvider } from 'styled-components';

import theme from 'path/to/theme';

const options = {
  theme,
  config: {
    // One of "path"
    labelFormat: 'path', // "button.color"
    // or "startCase"
    labelFormat: 'startCase', // "Button Color"
    // or a custom function
    labelFormat: path => {
      // path is equal to ["button", "color"]
      return path.join('-'); // "button-color"
    },
    showCode: true || false
  }
};

const App = ({ theme }) => (
  <ThemeProvider theme={theme}>
    <Components />
  </ThemeProvider>
);

export default withThemePlayground(App, options);

Overrides

theme-playground will render a default component based on the theme value. If you want to customize them, you can override the default components by adding an overrides object to the decorator.

As a key use the theme object path, e.g 'button.spacing'

Example

import withThemePlayground from 'theme-playground';
import { ThemeProvider } from 'styled-components';

import theme from 'path/to/theme';

const config = {
  theme,
  overrides: {
    'button.spacing': {
      type: 'counter',
      label: 'Button Spacing',
      description: 'Spacing for all buttons',
      min: 1,
      max: 20,
      steps: 1
    },
    'button.color.primary': {
      type: 'color',
      label: 'Button Primary Color'
    }
  }
};

const App = ({ theme }) => (
  <ThemeProvider theme={theme}>
    <Components />
  </ThemeProvider>
);

export default withThemePlayground(App, options);

Hide specific theme values

It is also possible to hide specific theme values or objects, e.g.:

const overrides = {
  breakpoints: {
    hidden: true
  },
  'button.spacing': {
    hidden: true
  }
};

Override components

Color

'theme.path': {
  type: 'color',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null
}

Counter

'theme.path': {
  type: 'counter',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null,
  min: Number | 0,
  max: Number | 100,
  steps: Number | 1
}

Select

'theme.path': {
  type: 'select',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null
  options: [
    {
      value: String,
      label: String
    }
  ]
}

Shorthand

'theme.path': {
  type: 'shorthand',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null
}

Switch

'theme.path': {
  type: 'switch',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null
}

Range

'theme.path': {
  type: 'range',
  hidden: Boolean,
  label: String | 'Theme Path',
  description: String | null,
  min: Number | 0,
  max: Number | 100,
  steps: Number | 1
}

Default components

theme-playground will render the following components based on the value.

Switch

boolean

Counter

number

Input

string

Textarea

string && string.length >= 40

Range

string && string.endsWith("px" || "rem" || "em" || "%")

Color

string && string.startsWith("#" || "rgba" || "rgba") || label.includes("color")

Shorthand

object && Object.keys(object).length === 4 && Object.keys(object).includes("top" && "right" && "bottom" && "left")