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Construct our own source if not available

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Joe Haddad
2016-11-27 11:39:22 -05:00
parent a3ae31e1e2
commit 60d9aa011f
1 changed files with 15 additions and 1 deletions
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16
packages/react-dev-utils/failFast.js vendored
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@@ -50,9 +50,23 @@
const trace = document.createElement('div')
applyStyles(trace, traceStyle)
for (const frame of frames) {
const { functionName, fileName, lineNumber } = frame
const { source } = frame
const elem = document.createElement('div')
elem.appendChild(document.createTextNode(source))
// If source is available, use that (directly from browser) ...
if (source != null) {
elem.appendChild(document.createTextNode(`\t${source.trim()}`))
} else {
// We need to construct our own source since it wasn't given to us
// This StackFrame is most likely from sourcemaps which means
// column numbers aren't available ... so let's only show line numbers.
if (functionName != null) {
elem.appendChild(document.createTextNode(`\tat ${functionName} (${fileName}:${lineNumber})`))
} else {
elem.appendChild(document.createTextNode(`\tat ${fileName}:${lineNumber}`))
}
}
trace.appendChild(elem)
}
overlay.appendChild(trace)