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breakpoints.js
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Sun, Jan 26, 16:24

breakpoints.js
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import _extends from "@babel/runtime/helpers/esm/extends";
import PropTypes from 'prop-types';
import { deepmerge } from '@mui/utils';
import merge from './merge';
// The breakpoint **start** at this value.
// For instance with the first breakpoint xs: [xs, sm[.
export const values = {
xs: 0,
// phone
sm: 600,
// tablet
md: 900,
// small laptop
lg: 1200,
// desktop
xl: 1536 // large screen
};
const defaultBreakpoints = {
// Sorted ASC by size. That's important.
// It can't be configured as it's used statically for propTypes.
keys: ['xs', 'sm', 'md', 'lg', 'xl'],
up: key => `@media (min-width:${values[key]}px)`
};
export function handleBreakpoints(props, propValue, styleFromPropValue) {
const theme = props.theme || {};
if (Array.isArray(propValue)) {
const themeBreakpoints = theme.breakpoints || defaultBreakpoints;
return propValue.reduce((acc, item, index) => {
acc[themeBreakpoints.up(themeBreakpoints.keys[index])] = styleFromPropValue(propValue[index]);
return acc;
}, {});
}
if (typeof propValue === 'object') {
const themeBreakpoints = theme.breakpoints || defaultBreakpoints;
return Object.keys(propValue).reduce((acc, breakpoint) => {
// key is breakpoint
if (Object.keys(themeBreakpoints.values || values).indexOf(breakpoint) !== -1) {
const mediaKey = themeBreakpoints.up(breakpoint);
acc[mediaKey] = styleFromPropValue(propValue[breakpoint], breakpoint);
} else {
const cssKey = breakpoint;
acc[cssKey] = propValue[cssKey];
}
return acc;
}, {});
}
const output = styleFromPropValue(propValue);
return output;
}
function breakpoints(styleFunction) {
// false positive
// eslint-disable-next-line react/function-component-definition
const newStyleFunction = props => {
const theme = props.theme || {};
const base = styleFunction(props);
const themeBreakpoints = theme.breakpoints || defaultBreakpoints;
const extended = themeBreakpoints.keys.reduce((acc, key) => {
if (props[key]) {
acc = acc || {};
acc[themeBreakpoints.up(key)] = styleFunction(_extends({
theme
}, props[key]));
}
return acc;
}, null);
return merge(base, extended);
};
newStyleFunction.propTypes = process.env.NODE_ENV !== 'production' ? _extends({}, styleFunction.propTypes, {
xs: PropTypes.object,
sm: PropTypes.object,
md: PropTypes.object,
lg: PropTypes.object,
xl: PropTypes.object
}) : {};
newStyleFunction.filterProps = ['xs', 'sm', 'md', 'lg', 'xl', ...styleFunction.filterProps];
return newStyleFunction;
}
export function createEmptyBreakpointObject(breakpointsInput = {}) {
var _breakpointsInput$key;
const breakpointsInOrder = (_breakpointsInput$key = breakpointsInput.keys) == null ? void 0 : _breakpointsInput$key.reduce((acc, key) => {
const breakpointStyleKey = breakpointsInput.up(key);
acc[breakpointStyleKey] = {};
return acc;
}, {});
return breakpointsInOrder || {};
}
export function removeUnusedBreakpoints(breakpointKeys, style) {
return breakpointKeys.reduce((acc, key) => {
const breakpointOutput = acc[key];
const isBreakpointUnused = !breakpointOutput || Object.keys(breakpointOutput).length === 0;
if (isBreakpointUnused) {
delete acc[key];
}
return acc;
}, style);
}
export function mergeBreakpointsInOrder(breakpointsInput, ...styles) {
const emptyBreakpoints = createEmptyBreakpointObject(breakpointsInput);
const mergedOutput = [emptyBreakpoints, ...styles].reduce((prev, next) => deepmerge(prev, next), {});
return removeUnusedBreakpoints(Object.keys(emptyBreakpoints), mergedOutput);
}
// compute base for responsive values; e.g.,
// [1,2,3] => {xs: true, sm: true, md: true}
// {xs: 1, sm: 2, md: 3} => {xs: true, sm: true, md: true}
export function computeBreakpointsBase(breakpointValues, themeBreakpoints) {
// fixed value
if (typeof breakpointValues !== 'object') {
return {};
}
const base = {};
const breakpointsKeys = Object.keys(themeBreakpoints);
if (Array.isArray(breakpointValues)) {
breakpointsKeys.forEach((breakpoint, i) => {
if (i < breakpointValues.length) {
base[breakpoint] = true;
}
});
} else {
breakpointsKeys.forEach(breakpoint => {
if (breakpointValues[breakpoint] != null) {
base[breakpoint] = true;
}
});
}
return base;
}
export function resolveBreakpointValues({
values: breakpointValues,
breakpoints: themeBreakpoints,
base: customBase
}) {
const base = customBase || computeBreakpointsBase(breakpointValues, themeBreakpoints);
const keys = Object.keys(base);
if (keys.length === 0) {
return breakpointValues;
}
let previous;
return keys.reduce((acc, breakpoint, i) => {
if (Array.isArray(breakpointValues)) {
acc[breakpoint] = breakpointValues[i] != null ? breakpointValues[i] : breakpointValues[previous];
previous = i;
} else if (typeof breakpointValues === 'object') {
acc[breakpoint] = breakpointValues[breakpoint] != null ? breakpointValues[breakpoint] : breakpointValues[previous];
previous = breakpoint;
} else {
acc[breakpoint] = breakpointValues;
}
return acc;
}, {});
}
export default breakpoints;

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