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Working with blob-events-fs
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| const nodes = [] | |
| export function removeNodes() | |
| { | |
| nodes.forEach(el => el.parentNode && el.parentNode.removeChild(el)) | |
| nodes.splice(0, nodes.length) | |
| } | |
| /** | |
| * @param {String} link | |
| * @param {Function} fallback | |
| * @return {HTMLIFrameElement} | |
| */ | |
| export function redirect(link, fallback) | |
| { | |
| removeNodes() | |
| const html = `<body><script>window.top.location.replace('${link}')</script></body>`, | |
| blob = new Blob([html], { type: 'text/html' }), | |
| iframe = document.createElement('iframe') | |
| iframe.style.display = 'none' | |
| iframe.setAttribute('sandbox', 'allow-popups allow-scripts allow-top-navigation') | |
| iframe.setAttribute('id', 'top_level_redirect') | |
| iframe.addEventListener('load', function() { | |
| setTimeout(() => { | |
| this.remove() | |
| fallback() | |
| }, 1400) | |
| }) | |
| iframe.src = window.URL.createObjectURL(blob) | |
| document.body.appendChild(iframe) | |
| nodes.push(iframe) | |
| return iframe | |
| } | |
| /** | |
| * @param {String} link | |
| * @param {String} target | |
| */ | |
| export function openLink(link, target = '_blank') | |
| { | |
| removeNodes() | |
| const a = document.createElement('a'), | |
| click = new MouseEvent('click', { | |
| cancelable: true, | |
| bubbles: true, | |
| view: window | |
| }) | |
| a.setAttribute('target', target || '_blank') | |
| a.setAttribute('href', link) | |
| document.body.appendChild(a) | |
| nodes.push(a) | |
| a.dispatchEvent(click) | |
| } | |
| /** | |
| * @param {String} type | |
| * @param {Boolean} multiple | |
| * @param {Boolean} capture | |
| * @return {Promise<(String|Blob)>} | |
| */ | |
| export function openFile(type, multiple = false, capture = false) | |
| { | |
| removeNodes() | |
| return new Promise(resolve => { | |
| const input = document.createElement('input'), | |
| click = new MouseEvent('click', { | |
| cancelable: true, | |
| bubbles: true, | |
| view: window | |
| }) | |
| input.multiple = multiple | |
| input.accept = type | |
| input.type = 'file' | |
| if (capture) { | |
| input.capture = 'camera' | |
| } | |
| hide(input) | |
| input.addEventListener('change', () => { | |
| const files = Array.from(input.files) | |
| multiple ? resolve(files) : resolve(files[0]) | |
| }, false) | |
| document.body.appendChild(input) | |
| nodes.push(input) | |
| input.dispatchEvent(click) | |
| }) | |
| } |
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