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FIX: IE compatability issue in clipboard files array

This commit is contained in:
Vinoth Kannan 2017-12-17 12:04:16 +05:30
parent 7f89f8aa3f
commit b963307f30
1 changed files with 14 additions and 8 deletions
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22
app/assets/javascripts/discourse/lib/utilities.js.es6
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@ -421,20 +421,26 @@ export function isAppleDevice() {
!navigator.userAgent.match(/Trident/g);
}
const toArray = items => {
items = items || [];
if (!Array.isArray(items)) {
return Array.from(items);
}
return items;
};
export function clipboardData(e, canUpload) {
const clipboard = e.clipboardData ||
e.originalEvent.clipboardData ||
e.delegatedEvent.originalEvent.clipboardData;
let types = clipboard.types;
let files = clipboard.files;
const types = toArray(clipboard.types);
let files = toArray(clipboard.files);
if (!Array.isArray(types)) {
types = Array.from(types);
}
if (!Array.isArray(files)) {
files = Array.from(files);
if (types.includes("Files") && files.length === 0) { // for IE
files = toArray(clipboard.items).filter(i => i.kind === "file");
}
canUpload = files && canUpload && !types.includes("text/plain");