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Responsively logo

Responsively

Responsively is created with the intention to easily adjust components with a responsive, mobile-first approach in mind; it may resemble single purpose classes (e.g. .mt-0, or .mt-0--mobile).

This library plays nicely with libraries such πŸ‘©β€πŸŽ€ Emotion and πŸ’… Styled Components since the code output is string.

Table of contents

Usage

This library adjust the value of the passed property according to passed breakpoints. Breakpoints can be defined on a component/page basis, but it can also be defined across the whole app, depending on one's needs.

Simple flow

  1. Configure breakpoints
  2. Implement responsively in one of the following ways:
    • Pass props to component with supported functions
    • Call the function with desired property and its responsive values via styles, or
    • Pass property and values props to the component for single purpose usage
  3. Done πŸ˜‡

1. Configure breakpoints

/**
 * Configure breakpoints in any file which is being called
 * on the top aplication level (e.g. App.js, utils.js, etc.)
 */
import Responsively from 'responsively';

Responsively.configureBreakpoints([480, 768, 990, 1170]);

2. Implementation

Option 1: Pass props to component with supported functions

With this handy approach we can integrate responsively functions which would provide an option to pass multiple responsive props to component. Check the documentation for all available functions.

import React from 'react';
import styled from '@emotion/styled';
import { css } from '@emotion/core';
import { background, text } from 'responsively';

const SectionStyles = styled('section')(
  ...background,
  ...text,
);

/**
 * Section component
 */
const Section = props => <SectionStyles {...props} />;

export default Section;

then, define as many properties as you need:

import Section from '../ui';

...

<Section
 background={['#f9eeef', '#f5cbce', '#f2afb4', '#ef717c', '#f74b59']}
 color={['black', 'white']}
 textTransform={['uppercase']}
>
 <h1>Section Heading</h1>
</Section>

Option 2: Call the function with desired property and its responsive values in style declaration

import React from 'react';
import { css } from '@emotion/core';
import Responsively from 'responsively';

const baseStyles = css`${Responsively.responsive('margin-top')([10, 20, 30, 40, 50])};`;

// or, add responsively directly to the component

<Component className={css`${Responsively.responsive('margin-top')([10, 20, 30, 40, 50])};`} />

Option 3: Pass property and values props to the component for single purpose usage

import React from 'react';
import PropTypes from 'prop-types';
import styled from '@emotion/styled';
import { css } from '@emotion/core';
import Responsively from 'responsively';

const baseStyles = ({ property, values }) =>
  css`
    ${Responsively.responsive(property)(values)};
  `;

const SectionStyles = styled('div')(baseStyles);

/**
 * Section component
 */
const Section = ({ property, values }) => <SectionStyles property={property} values={values} {...props} />;

Section.propTypes = {
  property: PropTypes.string.isRequired,
  values: PropTypes.array.isRequired,
};

export default Section;

then, define its property and values as props:

import Section from '../ui';

...

<Section property="margin" values={[10, 20, 30, 40, 50]}>
  <h1>Section Heading</h1>
</Section>

Try It Out

Try the examples on CodeSandbox:

Install

npm i responsively -S

or,

yarn add responsively

API

Responsively.responsive([breakpointsArray])(propertyName)([propertyArrayValues]);

Arguments

  • breakpointsArray β€” An array of breakpoint values
  • propertyName β€” CSS property name
  • propertyArrayValues β€” An array of values which maps to provided breakpoints. By default, the first value is applied without a media query, while the rest of the values are applied as children of media query selectors.

breakpointsArray and propertyArrayValues values

  • Support all unit kinds (px, em, rem, vw, vh, %, etc.).
    If a unitless value is passed, it will automatically be converted to px. CSS properties with unitless values are processed as is (e.g. line-height: 1.5; or flex: 1;).
Responsively.responsive('margin-top')([10, 20, 30, '4em', '5rem']);

will yield:

margin-top: 10px;
@media screen and (min-width: 480px) {
  margin-top: 20px;
}
@media screen and (min-width: 768px) {
  margin-top: 30px;
}
@media screen and (min-width: 990px) {
  margin-top: 4em;
}
@media screen and (min-width: 1170px) {
  margin-top: 5rem;
}
  • Clean output
    The number of generated breakpoints depends on the number of passed property values.
const { responsive } = Responsively;

responsive('margin')([10]);
responsive('padding')([10, 20]);

will yield:

margin: 10px;
padding: 10px;
@media screen and (min-width: 480px) {
  margin-top: 20px;
}
  • Shorthand values per breakpoint
Responsively.responsive('margin')(['10px 20px']);

will yield:

margin: 10px 20px;
  • Correction for common typos
const { responsive } = Responsively;

Responsively.responsive('margin')(['10 20']);
Responsively.responsive('padding')(['10px']);

will yield:

margin: 10px 20px;
padding: 10px;

Warning message

In case one passed more property values then there are breakpoint values, responsively provides the warning in the browser's console.

Responsively.configureBreakpoints([480, 768, 990, 1170]);

Responsively.responsive('padding')([10, 20, 30, 40, 50, 60]); // first argument is `default value`

will compile the code, but the last value will be nested in undefined breakpoint:

...

@media screen and (max-width: undefined) {
  padding: 60px;
}

Console warning message:

responsively-warning

Skipping breakpoints

If particular breakpoint needs to be skipped, undefined value should be passed:

Responsively.configureBreakpoints([480, 768, 990, 1170]);
Responsively.responsive('padding')([undefined, 20, undefined, undefined, 60]);

will yield:

...

@media screen and (max-width: 480px) {
  padding: 20px;
}
@media screen and (max-width: 1170px) {
  padding: 60px;
}

TODO

  • Merge exact shorthand values, e.g. '10 10' β†’ 10px
  • Add shorthand properties, e.g. m β†’ margin, or p β†’ padding
  • Animated shrug

Suggestions?

Shoot me an email, or submit an issue πŸš€

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