143 lines
5.6 KiB
JavaScript
143 lines
5.6 KiB
JavaScript
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
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function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
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// weak
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// flow sanity check (DO NOT DELETE) https://flow.org/try/#0JYWwDg9gTgLgBAJQKYEMDG8BmUIjgcilQ3wG4AoUSWOGATzCTgG84BhXSAOyS5gBUGTAL5xsuAkXQwy5OQHp5cALSq16jZuVwdccorgB3YDAAW-U0hBMAEgHk25JAA9qWAK5cMwCFyMnzS2sAHgAFHDAAZwAuFmEAPgAKcl12Tl9eGFiOcAy+QUZg1jMrJFi7ACMAKyQMOFEAMjhwiCj4gBpyAEps9J58oTCIyPiWOR00ABsUSMi4AHUAi1K4FxheABM55GkAOhzuTKHWyPaWWiCyuEqauoSx1KIuDaQoRK6H1LgiGHcoP2CBzy8GYuzBZmAkV2YGGohK1gAvMwIVDIjAUOtdvCkKJ5PEKKlhAT6ilvkhfv8FktLuRhAolFpGUy1PolMYzMtrHAAKqRFAAcyQ5CmMzmAEFVs51s9tsQYPs+kdipdytVavBGiwULEuO4QBVXmcKjq9QaoPdmHS0L40XBOUgNkD+vAEf4OZdEmKuhQDPMmBtfPh4DwHbQIHAwKK4MA-AADbGx1YAN14Fwg7n5pjgsYAsnQnZlE0QAI7uYBEOYmXbkYL2x2KvhwFBIgCMogqSIATLj4vSVMyB6lWW7TIsNmY4PZHC43LQhHAAEJSADWkBjLoIzki+DgAB8CJEQDv9-gQBtjwRJvyL-hnJNZOR6IwqePTC0onBXcxSTGTMAUJMY5mAA-LES6oKuEDrp0OjGK+oGLiua58J0dJOK40AeF4MA+H47KjsAr7vJ8mCeN4virFwpgoF4SDHFEsRAW+wxJKSqQFnwvS5M6BR0cwcFmGBSFQShcBgrs76RAkMFwD0aTcZkvH0SMYxsXAIqzFSZhMZK0pbIgcoKgpfDKaM35fGSzyvMR5kWepNogr+OEAUxZwCaYoiuii0LDGpjzkn8AIcSC4neTCJyiO5SL4Ie+A9sShIJSSak-IFWkEa+xJEuMZIUn4vDUbRFBoQYA5leow7uHygrCtMmkLrpmyynswVFO5QkQchMBnNqcC6vqhrGn1pqvBapJPC8bwfLZEwOSw7meRckI+ScKUBZSwQbMASZwHipJ0lac1MQ6wWfiOTHvIkC7esOfpwAGXBBn1SChjA4aRppMbZu5iZICmfhmOmmbZnmwVFkgpblkglbyjWx31sZ8DNswbZwB2zDdrt+JAA
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import React from 'react';
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import EventListener from 'react-event-listener';
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import debounce from 'lodash/debounce';
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import wrapDisplayName from 'recompose/wrapDisplayName';
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import withTheme from '../styles/withTheme';
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import { keys as breakpointKeys } from '../styles/createBreakpoints';
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/**
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* By default, returns true if screen width is the same or greater than the given breakpoint.
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*
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* @param screenWidth
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* @param breakpoint
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* @param inclusive - defaults to true
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*/
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export const isWidthUp = (breakpoint, screenWidth, inclusive = true) => {
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if (inclusive) {
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return breakpointKeys.indexOf(breakpoint) <= breakpointKeys.indexOf(screenWidth);
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}
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return breakpointKeys.indexOf(breakpoint) < breakpointKeys.indexOf(screenWidth);
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};
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/**
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* By default, returns true if screen width is the same or less than the given breakpoint.
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*
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* @param screenWidth
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* @param breakpoint
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* @param inclusive - defaults to true
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*/
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export const isWidthDown = (breakpoint, screenWidth, inclusive = true) => {
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if (inclusive) {
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return breakpointKeys.indexOf(screenWidth) <= breakpointKeys.indexOf(breakpoint);
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}
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return breakpointKeys.indexOf(screenWidth) < breakpointKeys.indexOf(breakpoint);
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};
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// optional props introduced by this HOC
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const withWidth = (
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// eslint-disable-line prettier/prettier
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options = {}) => Component => {
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const {
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resizeInterval = 166 // Corresponds to 10 frames at 60 Hz.
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} = options;
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// `theme` is injected below by withTheme
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class Width extends React.Component {
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constructor(...args) {
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var _temp;
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return _temp = super(...args), this.state = {
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width: undefined
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}, this.handleResize = debounce(() => {
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this.updateWidth(window.innerWidth);
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}, resizeInterval), _temp;
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}
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componentDidMount() {
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this.updateWidth(window.innerWidth);
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}
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componentWillUnmount() {
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this.handleResize.cancel();
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}
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updateWidth(innerWidth) {
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if (this.props.theme) {
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const breakpoints = this.props.theme.breakpoints;
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let width = null;
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/**
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* Start with the slowest value as low end devices often have a small screen.
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*
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* innerWidth |0 xs sm md lg xl
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* |-------|-------|-------|-------|-------|------>
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* width | xs | xs | sm | md | lg | xl
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*/
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let index = 1;
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while (width === null && index < breakpointKeys.length) {
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const currentWidth = breakpointKeys[index];
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// @media are inclusive, so reproduce the behavior here.
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if (innerWidth < breakpoints.values[currentWidth]) {
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width = breakpointKeys[index - 1];
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break;
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}
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index += 1;
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}
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width = width || 'xl';
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if (width !== this.state.width) {
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this.setState({
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width
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});
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}
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}
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}
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render() {
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const _props = this.props,
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{ initialWidth, theme, width } = _props,
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other = _objectWithoutProperties(_props, ['initialWidth', 'theme', 'width']);
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const props = _extends({
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width: width || this.state.width || initialWidth
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}, other);
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// When rendering the component on the server,
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// we have no idea about the client browser screen width.
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// In order to prevent blinks and help the reconciliation of the React tree
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// we are not rendering the child component.
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//
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// An alternative is to use the `initialWidth` property.
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if (props.width === undefined) {
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return null;
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}
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return React.createElement(
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EventListener,
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{ target: 'window', onResize: this.handleResize },
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React.createElement(Component, props)
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);
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}
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}
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if (process.env.NODE_ENV !== 'production') {
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Width.displayName = wrapDisplayName(Component, 'withWidth');
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}
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return withTheme()(Width);
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};
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export default withWidth; |