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Fix language auto detection/changing breaking undo/redo history

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This commit is contained in:
Jonatan Heyman 2023-01-16 11:11:28 +01:00
parent 996d4338ce
commit 7a74798a11
1 changed files with 8 additions and 3 deletions
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11
src/editor/language-detection/autodetect.js
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@ -1,5 +1,6 @@
import { EditorState } from "@codemirror/state";
import { EditorView } from "codemirror";
import { redoDepth } from "@codemirror/commands";
import { getActiveNoteBlock, blockState } from "../block/note-block";
import { levenshtein_distance } from "./levenshtein";
import { HIGHLIGHTJS_TO_TOKEN } from "../languages";
@ -28,8 +29,12 @@ export function languageDetection(getView) {
const threshold = content.length * 0.1
if (levenshtein_distance(content, event.data.content) <= threshold) {
// the content has not changed significantly so it's safe to change the language
console.log("Changing language to", newLang)
changeLanguageTo(state, view.dispatch, block, newLang, true)
if (redoDepth(state) === 0) {
console.log("Changing language to", newLang)
changeLanguageTo(state, view.dispatch, block, newLang, true)
} else {
console.log("Not changing language because the user has undo:ed and has redo history")
}
} else {
console.log("Content has changed significantly, not setting new language")
}
@ -67,7 +72,7 @@ export function languageDetection(getView) {
}
const content = update.state.doc.sliceString(block.content.from, block.content.to)
if (content === "") {
if (content === "" && redoDepth(update.state) === 0) {
// if content is cleared, set language to plaintext
const view = getView()
const block = getActiveNoteBlock(view.state)