Composition

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Composition
Specification
Component that represents a layout composition.
Props
Composition inherits from Box component, thus is accepts the same props and CSS Grid props on top.
Prop name
Type
Description
inline
boolean
Renders composition with display: inline-grid.
Composition supports all Prop aliases.
Usage
Define templates
Composition begins by defining a template string that consists of layout (grid) areas.
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const areasMobile = `
2
  logo
3
  menu
4
`
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Template string is just an alias for grid-template-areas.
Since Atomic layout comes with responsive built-in, you can define multiple layout templates for a single composition based on the breakpoints of your layout.
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const areasTablet = `
2
  logo menu
3
  search search
4
`
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Render Composition
Once layout templates are defined, pass them as the respective areas props of the Composition. Each area in the template is turned into a React component and being exposed as an argument property of the children function:
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<Composition
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  areas={areasMobile}
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  areasMd={areasTablet}>
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  {(Areas) => (
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    <>
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      <Areas.Logo>...</Areas.Logo>
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      <Areas.Search>...</Areas.Search>
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      <Areas.Menu>...</Areas.Menu>
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    </>
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  )}
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</Composition>
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Generated area components are exposed as unique capitalized keys of the children function.
Configuration
Composition is meant to be configurable. There is a set of Prop aliases you can apply to make composition suit your needs. For example, we can specify a templateCols prop to control the behavior of our columns on different breakpoints:
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<Composition
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  areas={areasMobile}
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  areasMd={areasTablet}
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  templateCols="1fr auto"
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  templateColsMd="1fr 1fr" />
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Examples
Template-less composition
Composition can be used without any templates. In that case it serves as a display: grid wrapper for  its children elements. All Prop aliases still apply.
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import React from 'react'
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import { Composition } from 'atomic-layout'
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​
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export const Header = () => (
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  <Composition templateCols="repeat(3, 1fr)">
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    <Logo />
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    <Menu />
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    <Actions />
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  </Composition>
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)
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Note that using the Box component is recommended when you don't wish to control elements composition, but want to distribute spacial relation of the parent element.
Box
Simple composition
src/components/ArtistCard/index.jsx
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import React from 'react'
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import { Composition } from 'atomic-layout'
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​
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const areasMobile = `
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  thumbnail
6
  heading
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  content
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`
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​
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const areasDesktop = `
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  thumbnail heading
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  thumbnail content
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`
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​
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export const ArtistCard = ({ title, imageUrl, description }) => (
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  <Composition
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    areas={areasMobile}
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    areasMd={areasDesktop}
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    gap={10}
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    gapMd={20}
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    padding={10}>
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    {(Areas) => (
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      <>
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        <Areas.Thumbnail>
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          <img src={imageUrl} alt={title} />
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        </Areas.Thumbail>
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        <Areas.Heading>
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          <h3>{title}</h3>
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        </Areas.Heading>
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        <Areas.Content>
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          <p>{description}</p>
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        </Areas.Content>
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      </>
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    )}
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  </Composition>
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)
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Nested composition
components/ArtistCard/index.jsx
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import React from 'react'
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import { Composition } from 'atomic-layout'
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import ArtistContent from './ArtistContent'
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​
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const areasMobile = `
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  thumbnail
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  content
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`
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​
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export const ArtistCard = ({
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  title,
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  description,
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  publishDate,
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  imageUrl,
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  onShareClick
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}) => (
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  <Composition areas={areasMobile}>
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    {(Areas) => (
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      <>
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        <Areas.Thumbnail>
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          <img src={imageUrl} alt={title} />
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        </Areas.Thumbnail>
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        <Areas.Content>
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          <ArtistContent
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            description={description}
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            publishDate={publishDate}
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            onShareClick={onShareClick} />
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        </Areas.Content>
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      </>
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    )}
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  </Composition>
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)
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components/ArtistCard/ArtistContent.jsx
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import React from 'react'
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import { Composition } from 'atomic-layout'
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​
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const areasMobile = `
5
  meta
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  actions
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  text
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`
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​
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const areasTablet = `
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  meta actions
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  text text
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`
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​
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export const ArtistContent = ({ description, publishDate, onShareClick }) => (
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  <Composition
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    areas={areasMobile}
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    areasMd={areasTablet}
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    gap={10}
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    gapMd={20}>
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    {({ Meta, Actions, Text }) => (
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      <>
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        <Meta>
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          {publishDate}
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        </Meta>
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        <Actions>
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          <button onClick={onShareClick}>Share</button>
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        </Actions>
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        <Text>
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          {description}
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        </Text>
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      </>
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    )}
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  </Composition>
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)
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Using areas templates
It is possible to describe the size of each column/row using a shorthand grid-template syntax.
To specify a row size put its numeric value right after the row areas declaration.
To specify a column size put a trailing slash (/) and provide each column's dimensions after it.
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import React from 'react'
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import { Composition } from 'atomic-layout'
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​
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const templateTablet = `
5
  meta actions 250px
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  text text 1fr
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  / 500px auto
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`
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​
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export const ArtistContent = ({ description, publishDate, onShareClick }) => (
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  <Composition template={templateTablet}>
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    {(Areas) => (
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      <>
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        <Areas.Meta>{publishDate}</Areas.Meta>
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        <Areas.Actions>
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          <button onClick={onShareClick}>Share</button>
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        </Areas.Actions>
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        <Areas.Text>
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          {description}
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        </Areas.Text>
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      </>
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    )}
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  </Composition>
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)
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Note that in order to use grid-template syntax you must provide the template string as a value of the template prop of the Composition component.
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Last modified 1yr ago
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Contents
Template-less composition
Simple composition
Nested composition
Using areas templates