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for…in → for…of in sniffForMIMEType()

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This commit is contained in:
Dan Stillman 2023-04-29 18:46:30 -04:00
parent 0858960d33
commit 2f6f2feade
1 changed files with 5 additions and 5 deletions
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10
chrome/content/zotero/xpcom/mime.js
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@ -224,22 +224,22 @@ Zotero.MIME = new function(){
* Searches string for magic numbers * Searches string for magic numbers
*/ */
this.sniffForMIMEType = function (str) { this.sniffForMIMEType = function (str) {
for (let i in _snifferEntries) { for (let [magic, type, offset] of _snifferEntries) {
let match = false; let match = false;
// If an offset is defined, match only from there // If an offset is defined, match only from there
if (_snifferEntries[i][2] != undefined) { if (offset != undefined) {
if (str.substr(_snifferEntries[i][2]).indexOf(_snifferEntries[i][0]) == 0) { if (str.substr(offset).indexOf(magic) == 0) {
match = true; match = true;
} }
} }
// Otherwise allow match anywhere in sample // Otherwise allow match anywhere in sample
// (200 bytes from getSample() by default) // (200 bytes from getSample() by default)
else if (str.indexOf(_snifferEntries[i][0]) != -1) { else if (str.indexOf(magic) != -1) {
match = true; match = true;
} }
if (match) { if (match) {
return _snifferEntries[i][1]; return type;
} }
} }