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fix(tui): restore cursorUp start-of-line jump when input is non-empty (#5789)

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This commit is contained in:
4h9fbZ
2026-06-16 15:14:17 +02:00
committed by GitHub
parent 06d8c54de2
commit 3039f3e17d
2 changed files with 16 additions and 4 deletions
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9
packages/tui/src/components/editor.ts
View File

@@ -390,6 +390,10 @@ export class Editor implements Component, Focusable {
}
}
private isEditorEmpty(): boolean {
return this.state.lines.length === 1 && this.state.lines[0] === "";
}
private isOnFirstVisualLine(): boolean {
const visualLines = this.buildVisualLineMap(this.lastWidth);
const currentVisualLine = this.findCurrentVisualLine(visualLines);
@@ -803,7 +807,10 @@ export class Editor implements Component, Focusable {
// Arrow key navigation (with history support)
if (kb.matches(data, "tui.editor.cursorUp")) {
if (this.isOnFirstVisualLine() && this.history.length > 0) {
if (
this.isOnFirstVisualLine() &&
(this.isEditorEmpty() || this.historyIndex > -1 || this.state.cursorCol === 0)
) {
this.navigateHistory(-1);
} else if (this.isOnFirstVisualLine()) {
// Already at top - jump to start of line

11
packages/tui/test/editor.test.ts
View File

@@ -79,7 +79,7 @@ describe("Editor component", () => {
assert.strictEqual(editor.getText(), "first");
});
it("restores draft on Down arrow after browsing history", () => {
it("jumps to start before entering history from a non-empty draft", () => {
const editor = new Editor(createTestTUI(), defaultEditorTheme);
editor.addToHistory("prompt");
@@ -87,12 +87,16 @@ describe("Editor component", () => {
editor.handleInput("\x1b[D");
editor.handleInput("\x1b[D");
editor.handleInput("\x1b[A"); // Up - shows "prompt"
editor.handleInput("\x1b[A"); // Up - jumps to start before history browsing
assert.strictEqual(editor.getText(), "draft");
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
editor.handleInput("\x1b[A"); // Up at start - shows "prompt"
assert.strictEqual(editor.getText(), "prompt");
editor.handleInput("\x1b[B"); // Down - restores draft
assert.strictEqual(editor.getText(), "draft");
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 3 });
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
});
it("navigates forward through history with Down arrow", () => {
@@ -104,6 +108,7 @@ describe("Editor component", () => {
editor.setText("draft");
// Go to oldest
editor.handleInput("\x1b[A"); // start of draft
editor.handleInput("\x1b[A"); // third
editor.handleInput("\x1b[A"); // second
editor.handleInput("\x1b[A"); // first