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Fix: initialize undomanager for empty document #7962

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Fix: initialize undomanager for empty document #7962

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23 changes: 23 additions & 0 deletions src/components/Editor.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -485,6 +485,28 @@ export default defineComponent({
this.idle = false
},

initUndoManagerForEmptyDocument() {
if (
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@juliusknorr juliusknorr Nov 19, 2025

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Is this something that gets added to the history and pushing steps to the server? As discussed I'd be fine with this as a workaround but we should file an upstream issue at least.

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@benjaminfrueh benjaminfrueh Nov 19, 2025

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@juliusknorr I clear the history after deleting the space, and in my test there were no steps added to the database in this process. I agree that an upstream issue for yjs should be created and this workaround should be removed once the issue is fixed or a better workaround is found.

this.editor.state.doc.textContent.length > 0
|| !this.editor.isEditable
) {
return
}

if (!this.editor.commands.insertContent(' ')) {
return
}

this.editor.commands.deleteRange({ from: 0, to: 1 })

const undoManager = this.editor.state.plugins
.map((p) => p.getState?.(this.editor.state)?.undoManager)
.find((um) => um?.clear)
undoManager?.clear()

this.dirty = false
},

onOpened({ document, session, content, documentState, readOnly }) {
this.document = document
this.readOnly = readOnly
Expand Down Expand Up @@ -520,6 +542,7 @@ export default defineComponent({
isRichEditor: this.isRichEditor,
})
}
this.initUndoManagerForEmptyDocument()
})
this.updateUser(session)
},
Expand Down
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