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fix: fix concurrent eval BUG #342

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fix: fix concurrent eval BUG #342

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17 changes: 15 additions & 2 deletions src/output/srcdoc.html
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,16 @@
color-scheme: dark;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
font-family:
-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
</style>
<!-- PREVIEW-OPTIONS-HEAD-HTML -->
<script>
;(() => {
let scriptEls = []
let lastEvalPromise = null

window.process = { env: {} }
window.__modules__ = {}
Expand All @@ -40,7 +42,15 @@
send_reply({ action: 'cmd_error', message, stack })

if (action === 'eval') {
let evalDone
try {
if (lastEvalPromise) {
await lastEvalPromise
}
lastEvalPromise = new Promise((resolve) => {
evalDone = resolve
})

if (scriptEls.length) {
scriptEls.forEach((el) => {
document.head.removeChild(el)
Expand Down Expand Up @@ -68,6 +78,9 @@
send_ok()
} catch (e) {
send_error(e.message, e.stack)
} finally {
lastEvalPromise = null
evalDone()
}
}

Expand Down