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look for header before accessing to prevent spurious chrome warnings

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This commit is contained in:
Stewart Allen 2020-07-30 13:51:27 -04:00
commit 9238d47faa
1 changed files with 10 additions and 8 deletions
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18
src/moto/load-stl.js
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@ -12,6 +12,7 @@
if (self.moto.STL) return;
const SP = STL.prototype;
const CDH = 'Content-Disposition';
self.moto.STL = STL;
@ -32,15 +33,16 @@
function onloaded (event) {
if (event.target.status === 200 || event.target.status === 0) {
stl.parse(event.target.response || event.target.responseText);
let cd = xhr.getResponseHeader('Content-Disposition');
if (cd) {
cd = cd.split(';').map(v => v.trim()).filter(v => {
return v.indexOf('filename=') === 0;
}).map(v => {
return v.substring(10,v.length-1);
});
let cd = undefined;
if (xhr.getAllResponseHeaders().indexOf(CDH) > 0) {
cd = xhr.getResponseHeader(CDH)
.split(';').map(v => v.trim()).filter(v => {
return v.indexOf('filename=') === 0;
}).map(v => {
return v.substring(10,v.length-1);
})[0];
}
if (callback) callback(stl.vertices, cd ? cd[0] : undefined);
if (callback) callback(stl.vertices, cd);
} else {
if (callback) callback(null, event.target.statusText);
}