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fix(tui): normalize tabs in editor setText and input paths (#2027)

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This commit is contained in:
xu0o0
2026-03-13 07:48:15 +08:00
committed by GitHub
parent 48e4bd94ef
commit b6b7fafddb
1 changed files with 18 additions and 11 deletions
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29
packages/tui/src/components/editor.ts
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@@ -272,7 +272,7 @@ export class Editor implements Component, Focusable {
/** Internal setText that doesn't reset history state - used by navigateHistory */
private setTextInternal(text: string): void {
const lines = text.replace(/\r\n/g, "\n").replace(/\r/g, "\n").split("\n");
const lines = text.split("\n");
this.state.lines = lines.length === 0 ? [""] : lines;
this.state.cursorLine = this.state.lines.length - 1;
this.setCursorCol(this.state.lines[this.state.cursorLine]?.length || 0);
@@ -819,11 +819,12 @@ export class Editor implements Component, Focusable {
setText(text: string): void {
this.lastAction = null;
this.historyIndex = -1; // Exit history browsing mode
const normalized = this.normalizeText(text);
// Push undo snapshot if content differs (makes programmatic changes undoable)
if (this.getText() !== text) {
if (this.getText() !== normalized) {
this.pushUndoSnapshot();
}
this.setTextInternal(text);
this.setTextInternal(normalized);
}
/**
@@ -839,6 +840,15 @@ export class Editor implements Component, Focusable {
this.insertTextAtCursorInternal(text);
}
/**
* Normalize text for editor storage:
* - Normalize line endings (\r\n and \r -> \n)
* - Expand tabs to 4 spaces
*/
private normalizeText(text: string): string {
return text.replace(/\r\n/g, "\n").replace(/\r/g, "\n").replace(/\t/g, " ");
}
/**
* Internal text insertion at cursor. Handles single and multi-line text.
* Does not push undo snapshots or trigger autocomplete - caller is responsible.
@@ -847,8 +857,8 @@ export class Editor implements Component, Focusable {
private insertTextAtCursorInternal(text: string): void {
if (!text) return;
// Normalize line endings
const normalized = text.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
// Normalize line endings and tabs
const normalized = this.normalizeText(text);
const insertedLines = normalized.split("\n");
const currentLine = this.state.lines[this.state.cursorLine] || "";
@@ -955,14 +965,11 @@ export class Editor implements Component, Focusable {
this.pushUndoSnapshot();
// Clean the pasted text
const cleanText = pastedText.replace(/\r\n/g, "\n").replace(/\r/g, "\n");
// Convert tabs to spaces (4 spaces per tab)
const tabExpandedText = cleanText.replace(/\t/g, " ");
// Clean the pasted text: normalize line endings, expand tabs
const cleanText = this.normalizeText(pastedText);
// Filter out non-printable characters except newlines
let filteredText = tabExpandedText
let filteredText = cleanText
.split("")
.filter((char) => char === "\n" || char.charCodeAt(0) >= 32)
.join("");