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General Implementation guide

In this Document

Styled Component

To use a styled component you can follow this step:

  1. Import it
import styled from 'styled-components'
  1. For extending styles of a html element using the imported styled
const _component_name_ = styled._any_html_tag`
    _your_css_style_ (for e.g.)
    color: var(--color-red);
    margin: 1rem 0.4rem;
    background-color: ${props => props.is_testing ? var(--color-white) : var(--color-black)}

    &:hover {
        _your_css_style_
    }
    &._any_class_name {
        _your_css_style_
    }
`

Also you can extend styled component like this

const _want_extend_ = styled(_component_name_)`
    _your_css_style_
`
  1. Then in your react component
<_component_name_>
    <children>
</_component_name_>

Note: Use rem as length unit where 10px = 1rem, the rem configuration can be found at themes/global-style.js

For further information you can take a look at Styled Component Documentation

Image Component

(png|jpg|jpeg|gif) file type

An image will be located anywhere within src/images/common directory. This project uses GatsbyImage built in gatsby-plugin-image. For further information, can take a look at Gatsby Image plugin, the configuration is located at src/components/elements/query-image.js.

Usage example:

<Image data="_image_data_object_" alt="_image_alt_" />

(svg) file type

svg will be located anywhere within src/images/svg directory. SVG will be handled by gatsby-plugin-react-svg which overriding svg-react-loader, you can take a look at Gatsby SVG

Usage example:

import { ReactComponent as Logo } from 'images/svg/logo-header.svg'
;<Logo />

Translation / Localization

Translation functions and component located within src/components/localization directory. text translation use react-i18next, you can take a look at react-i18next for more information.

Usage example:

import { localize, Localize } from 'components/localization'

<p>{localize('text need to be translated')}</p>
<p><Localize
        translate_text='your name is <0>{{name}}</0>, <1>view more info</1>'
        values={{ name: this.state.name || 'jollie' }}
        components={[
            <strong key={0} />,
            <a key={1} href='#' />
        ]}
    />
</p>

Mobile responsive

Mobile responsive device breakpoints can be found in this directory themes/device

CSS changes

To configure responsiveness based on css changes, you can use @media

Usage example:

import device from 'themes/device'
import styled from 'styled-components'

const YourCssStyle = styled.div`
    @media ${device.tabletL} {
        width: 100%;
    }
`

JS changes

to configure responsiveness based on JS changes or different component render, you can use Show component in /containers directory

Usage example (chain):

import { Show } from 'components/containers'

const Example = () => (
    <div>
        <h1>Device Test!</h1>
        <Show.Desktop minDeviceWidth={size.tabletL} device={{ deviceWidth: size.desktopS }}>
            you are desktop
        </Show.Desktop>
        <Show.Mobile>you are mobile</Show.Mobile>
    </div>
)

Usage example (with components):

import { Desktop, Mobile } from 'components/containers'

const Example = () => (
    <div>
        <h1>Device Test!</h1>
        <Desktop minDeviceWidth={size.tabletL} device={{ deviceWidth: size.desktopS }}>
            you are desktop
        </Desktop>
        <Mobile>you are mobile</Mobile>
    </div>
)

CSS responsive function

To create a responsive component for different breakpoints, please use <Box> component and inject the CSS styles for available breakpoints.

Usage example:

import { Box } from 'components/containers'

const UseResponsiveCss = () => {
    return (
        <Box
            style={{
                backgroundColor: 'red',
                height: '300px',
                width: '300px',
                color: 'white',
                fontSize: '40px',
            }}
            ml="100px"
            pl="80px"
            laptop={{ ml: '40px', pl: '50px' }}
            mobileS={{ ml: '20px' }}
        >
            component here
        </Box>
    )
}

Create new page

To create a new page, please create a directory inside src/pages. Directory name automatically becomes the new route, create an index.js inside the directory (this is required). To separate into different sections, you can make another JS file inside the directory with prefix _ to avoid creation of new route.

Example directory:

   ├── my-page-name/
   │   ├── index.js
   │   ├── _component-name.js
   │   ├── ...

Every page should be wrapped within <Layout /> component, and also it should contain a child <SEO title='' description='' />. It is required to export default your page with a Higher-order component of WithIntl from localization to help the usage of translation methods. Usage example:

import React from 'react'
import styled from 'styled-components'
import { localize, WithIntl } from 'components/localization'

const MyPageName = () => {
    return (
        <Layout>
            <SEO title={localize('My page')} description={localize('My page description')} />
            {/* Your children here */}
        </Layout>
    )
}

export default WithIntl()(MyPageName)

Handling EU or NonEU Views

To handle the visibility for European countries, you can use Show component in /containers directory. Eu countries list are located in common/country-base.js

Usage example (chain):

import { Show } from 'components/containers'

const Example = () => (
    <div>
        <h1>Test!</h1>
        <Show.Eu minDeviceWidth={size.tabletL} device={{ deviceWidth: size.desktopS }}>
            You are in europe countries
        </Show.Eu>
        <Show.NonEU>You are in non-europe countries</Show.NonEU>
    </div>
)