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Fix error on startup for large buffers #253

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merged 1 commit into from
Jul 14, 2024
Merged

Fix error on startup for large buffers #253

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6 changes: 5 additions & 1 deletion src/editor/editor.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import { Annotation, EditorState, Compartment, Facet } from "@codemirror/state"
import { EditorView, keymap, drawSelection, ViewPlugin, lineNumbers } from "@codemirror/view"
import { indentUnit, forceParsing, foldGutter } from "@codemirror/language"
import { indentUnit, forceParsing, foldGutter, ensureSyntaxTree } from "@codemirror/language"
import { markdown } from "@codemirror/lang-markdown"
import { closeBrackets } from "@codemirror/autocomplete";

Expand Down Expand Up @@ -116,6 +116,10 @@ export class HeynoteEditor {
parent: element,
})

// Ensure we have a parsed syntax tree when buffer is loaded. This prevents errors for large buffers
// when moving the cursor to the end of the buffer when the program starts
ensureSyntaxTree(state, state.doc.length, 5000)

if (focus) {
this.view.dispatch({
selection: {anchor: this.view.state.doc.length, head: this.view.state.doc.length},
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