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Reactive javascript triggered by bootstrap media queries
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const xs = document.createElement('div'); | |
xs.setAttribute('class', 'd-inline d-sm-none'); | |
const sm = document.createElement('div'); | |
sm.setAttribute('class', 'd-none d-sm-inline d-md-none'); | |
const md = document.createElement('div'); | |
md.setAttribute('class', 'd-none d-md-inline d-lg-none'); | |
const lg = document.createElement('div'); | |
lg.setAttribute('class', 'd-none d-lg-inline d-xl-none'); | |
const xl = document.createElement('div'); | |
xl.setAttribute('class', 'd-none d-xl-inline'); | |
const breakpoints = { xs, sm, md, lg, xl }; | |
import Vue from 'vue'; | |
const activeBreakpoints = Vue.observable(Object.keys(breakpoints).reduce((a, b) => { a[b] = false; return a; }, {})); | |
function recalculate() { | |
Object.keys(breakpoints).map(bp => { | |
const style = window.getComputedStyle(breakpoints[bp]); | |
Vue.set(activeBreakpoints, bp, !!style.display && style.display !== 'none'); | |
}); | |
} | |
document.addEventListener('DOMContentLoaded', () => { | |
try { | |
const body = document.querySelector('body'); | |
const div = document.createElement('div'); | |
div.setAttribute('class', 'responsive-bootstrap-toolkit'); | |
Object.values(breakpoints).forEach(bp => { div.appendChild(bp); }); | |
body.appendChild(div); | |
recalculate(); | |
} catch (error) { /* */ } | |
}); | |
window.addEventListener('resize', recalculate); | |
export default activeBreakpoints; |
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