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fix: Force pasting plain text in code block #1663

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Merged
merged 4 commits into from
May 9, 2025
Merged

fix: Force pasting plain text in code block #1663

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a12a919
Forced pasting plain text in code block
matthewlipski May 6, 2025
f69a98f
Updated check
matthewlipski May 6, 2025
8e288ec
Implemented PR feedback
matthewlipski May 7, 2025
daa6d48
Small fix
matthewlipski May 8, 2025
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20 changes: 19 additions & 1 deletion packages/core/src/api/clipboard/fromClipboard/pasteExtension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import type {
BlockNoteEditor,
BlockNoteEditorOptions,
} from "../../../editor/BlockNoteEditor";
import { isMarkdown } from "../../parsers/markdown/detectMarkdown.js";
import {
BlockSchema,
InlineContentSchema,
Expand All @@ -13,7 +14,6 @@ import {
import { acceptedMIMETypes } from "./acceptedMIMETypes.js";
import { handleFileInsertion } from "./handleFileInsertion.js";
import { handleVSCodePaste } from "./handleVSCodePaste.js";
import { isMarkdown } from "../../parsers/markdown/detectMarkdown.js";

function defaultPasteHandler({
event,
Expand All @@ -26,6 +26,24 @@ function defaultPasteHandler({
prioritizeMarkdownOverHTML: boolean;
plainTextAsMarkdown: boolean;
}) {
// Special case for code blocks, as they do not support any rich text
// formatting, so we force pasting plain text.
const isInCodeBlock = editor.transact(
(tr) =>
tr.selection.$from.parent.type.spec.code &&
tr.selection.$to.parent.type.spec.code
);

if (isInCodeBlock) {
const data = event.clipboardData?.getData("text/plain");

if (data) {
editor.pasteText(data);

return true;
}
}

let format: (typeof acceptedMIMETypes)[number] | undefined;
for (const mimeType of acceptedMIMETypes) {
if (event.clipboardData!.types.includes(mimeType)) {
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