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React Responsive Layout\n\n[![Travis](https://img.shields.io/travis/mmmurray/react-responsive-layout.svg)](https://travis-ci.org/mmmurray/react-responsive-layout)\n[![npm](https://img.shields.io/npm/v/react-responsive-layout.svg)](https://www.npmjs.com/package/react-responsive-layout)\n\nA library of layout components designed to enable [container queries](https://css-tricks.com/container-query-discussion/) without JavaScript.\n\n### ⚠️ Note: This library is still in alpha, expect breaking changes.\n\n## Motivation\n\nCSS media queries let us build responsive layouts by applying different styles at different window breakpoints. However, in component based UIs, it is often useful to apply styles based on the width of the parent container so that the component can be used in different contexts.\n\nCSS doesn't yet have support for container queries (media queries that operate at the component level). There are many libraries which attempt to fill this shortcoming but they typically rely on JavaScript DOM events which can be slow.\n\nThis library allows you to use container queries without JavaScript enabled by transforming container queries into native CSS media queries.\n\n## Install\n\n```\nyarn add react-responsive-layout\n```\n\n## Usage\n\nIn order to generate accurate media queries, all horizontal spacing must be applied by the components in this library and the root element must span the full width of the browser viewport.\n\nThe components rely on a CSS-in-JS library of your choosing. You must provide a function which generates a class name based on an object of styles.\n\n### Example using emotion\n\n[![Edit 7ylpq13poq](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/7ylpq13poq)\n\n```jsx\nimport ReactDOM from 'react-dom'\nimport React from 'react'\nimport { css } from 'emotion'\nimport {\n  Belt,\n  Columns,\n  CSSProvider,\n  useMediaQuery,\n} from 'react-responsive-layout'\n\nconst createStyles = mq =\u003e css`\n  background-color: red;\n  height: 100px;\n  padding: 10px;\n\n  ${mq} {\n    background-color: lime;\n  }\n`\n\nconst MyResponsiveComponent = () =\u003e {\n  const mq = useMediaQuery(200)\n\n  return \u003cdiv className={createStyles(mq)}\u003eHello\u003c/div\u003e\n}\n\nconst notches = [\n  { width: 850, fluid: true },\n  { width: 1000, fluid: false },\n  { fluid: false },\n]\n\nconst App = () =\u003e (\n  \u003cCSSProvider value={{ css }}\u003e\n    \u003cBelt notches={notches}\u003e\n      \u003cColumns\n        columns={[\n          { type: 'ratio', value: 1 },\n          { type: 'ratio', value: 2 },\n          { type: 'ratio', value: 1 },\n        ]}\n        gap={10}\n      \u003e\n        \u003cMyResponsiveComponent /\u003e\n        \u003cMyResponsiveComponent /\u003e\n        \u003cMyResponsiveComponent /\u003e\n      \u003c/Columns\u003e\n    \u003c/Belt\u003e\n  \u003c/CSSProvider\u003e\n)\n\nReactDOM.render(\u003cApp /\u003e, document.getElementById('root'))\n```\n\nThis will render 3 columns with the middle column being twice as wide as the other two. At different window widths, the following will be rendered:\n\n#### Below 420px\n\n![](docs/small.png)\n\n#### Between 820px and 420px\n\n![](docs/medium.png)\n\n#### Above 820px\n\n![](docs/large.png)\n\n## Components\n\n### Columns\n\nProps\n\n| Name        | Type                                              | Default  | Description                                                                                                                                            |\n| ----------- | ------------------------------------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| `columns`   | `Array\u003c{type: 'ratio' | 'fixed', value: number }` | Required | The proportions to render each column. Equates to [`grid-template-columns`](https://developer.mozilla.org/en-US/docs/Web/CSS/grid-template-columns).   |\n| `gap`       | `number`                                          | `0`      | The fixed spacing between each column and row (in pixels). Equates to [`grid-gap`](https://developer.mozilla.org/en-US/docs/Web/CSS/gap)               |\n| `columnGap` | `number`                                          | `gap`    | The fixed spacing between each column and row (in pixels). Equates to [`grid-column-gap`](https://developer.mozilla.org/en-US/docs/Web/CSS/column-gap) |\n| `rowGap`    | `number`                                          | `gap`    | The fixed spacing between each row and row (in pixels). Equates to [`grid-row-gap`](https://developer.mozilla.org/en-US/docs/Web/CSS/row-gap)          |\n\n### Belt\n\nConstrain the child component to certain widths at different breakpoints.\n\nProps\n\n| Name      | Type                                      | Default  | Description                                               |\n| --------- | ----------------------------------------- | -------- | --------------------------------------------------------- |\n| `notches` | `Array\u003c{ width: number, fluid: boolean}\u003e` | Required | The widths at which the content should be constrained to. |\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmmmurray%2Freact-responsive-layout","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmmmurray%2Freact-responsive-layout","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmmmurray%2Freact-responsive-layout/lists"}