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Attempt to fix "TypeError: Cannot read property 'startPiece' of undefined"

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It wasn't clear what was causing this error, and I couldn't reproduce
it.

This PR attempts to resolve the issue by just guarding against the
exception.
This commit is contained in:
Feross Aboukhadijeh
2016-10-05 02:14:22 -07:00
parent b0b6069fe2
commit 8081d42477
1 changed files with 5 additions and 1 deletions
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6
src/renderer/pages/player-page.js
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@@ -599,12 +599,15 @@ function renderLoadingBar (state) {
const torrentSummary = state.getPlayingTorrentSummary() const torrentSummary = state.getPlayingTorrentSummary()
if (!torrentSummary.progress) { if (!torrentSummary.progress) {
return [] return null
} }
// Find all contiguous parts of the torrent which are loaded // Find all contiguous parts of the torrent which are loaded
const prog = torrentSummary.progress const prog = torrentSummary.progress
const fileProg = prog.files[state.playing.fileIndex] const fileProg = prog.files[state.playing.fileIndex]
if (!fileProg) return null
const parts = [] const parts = []
let lastPiecePresent = false let lastPiecePresent = false
for (let i = fileProg.startPiece; i <= fileProg.endPiece; i++) { for (let i = fileProg.startPiece; i <= fileProg.endPiece; i++) {
@@ -626,6 +629,7 @@ function renderLoadingBar (state) {
return (<div key={i} className='loading-bar-part' style={style} />) return (<div key={i} className='loading-bar-part' style={style} />)
}) })
return (<div key='loading-bar' className='loading-bar'>{loadingBarElems}</div>) return (<div key='loading-bar' className='loading-bar'>{loadingBarElems}</div>)
} }