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fix(tui): position cursor for prompt history navigation

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closes #5454
This commit is contained in:
Mario Zechner
2026-06-07 10:56:09 +02:00
parent 22ac2713a3
commit 59d7025668
3 changed files with 41 additions and 43 deletions
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72
packages/tui/test/editor.test.ts
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@@ -122,7 +122,7 @@ describe("Editor component", () => {
editor.handleInput("\x1b[A"); // Up - shows "old prompt"
editor.handleInput("x"); // Type a character - exits history mode
assert.strictEqual(editor.getText(), "old promptx");
assert.strictEqual(editor.getText(), "xold prompt");
});
it("exits history mode on setText", () => {
@@ -222,61 +222,55 @@ describe("Editor component", () => {
assert.strictEqual(editor.getText(), "prompt 5");
});
it("allows cursor movement within multi-line history entry with Down", () => {
const editor = new Editor(createTestTUI(), defaultEditorTheme);
editor.addToHistory("line1\nline2\nline3");
// Browse to the multi-line entry
editor.handleInput("\x1b[A"); // Up - shows entry, cursor at end of line3
assert.strictEqual(editor.getText(), "line1\nline2\nline3");
// Down should exit history since cursor is on last line
editor.handleInput("\x1b[B"); // Down
assert.strictEqual(editor.getText(), ""); // Exited to empty
});
it("allows cursor movement within multi-line history entry with Up", () => {
it("places cursor at start after browsing history upward", () => {
const editor = new Editor(createTestTUI(), defaultEditorTheme);
editor.addToHistory("older entry");
editor.addToHistory("line1\nline2\nline3");
// Browse to the multi-line entry
editor.handleInput("\x1b[A"); // Up - shows multi-line, cursor at end of line3
editor.handleInput("\x1b[A"); // Up - shows multi-line entry at start
assert.strictEqual(editor.getText(), "line1\nline2\nline3");
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
// Up should move cursor within the entry (not on first line yet)
editor.handleInput("\x1b[A"); // Up - cursor moves to line2
assert.strictEqual(editor.getText(), "line1\nline2\nline3"); // Still same entry
editor.handleInput("\x1b[A"); // Up - cursor moves to line1 (now on first visual line)
assert.strictEqual(editor.getText(), "line1\nline2\nline3"); // Still same entry
// Now Up should navigate to older history entry
editor.handleInput("\x1b[A"); // Up - navigate to older
editor.handleInput("\x1b[A"); // Up again - immediately navigates to older entry
assert.strictEqual(editor.getText(), "older entry");
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
});
it("navigates from multi-line entry back to newer via Down after cursor movement", () => {
it("places cursor at end after browsing history downward", () => {
const editor = new Editor(createTestTUI(), defaultEditorTheme);
editor.addToHistory("older entry");
editor.addToHistory("line1\nline2\nline3");
editor.addToHistory("newer entry");
editor.handleInput("\x1b[A"); // newer entry
editor.handleInput("\x1b[A"); // multi-line entry
editor.handleInput("\x1b[A"); // older entry
editor.handleInput("\x1b[B"); // Down - shows multi-line entry at end
assert.strictEqual(editor.getText(), "line1\nline2\nline3");
assert.deepStrictEqual(editor.getCursor(), { line: 2, col: 5 });
editor.handleInput("\x1b[B"); // Down again - immediately navigates to newer entry
assert.strictEqual(editor.getText(), "newer entry");
});
it("allows opposite-direction cursor movement within multi-line history entry", () => {
const editor = new Editor(createTestTUI(), defaultEditorTheme);
editor.addToHistory("line1\nline2\nline3");
// Browse to entry and move cursor up
editor.handleInput("\x1b[A"); // Up - shows entry, cursor at end
editor.handleInput("\x1b[A"); // Up - cursor to line2
editor.handleInput("\x1b[A"); // Up - cursor to line1
editor.handleInput("\x1b[A"); // Up - shows entry at start
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
// Now Down should move cursor down within the entry
editor.handleInput("\x1b[B"); // Down - cursor to line2
editor.handleInput("\x1b[B"); // Down - cursor moves to line2
assert.strictEqual(editor.getText(), "line1\nline2\nline3");
assert.deepStrictEqual(editor.getCursor(), { line: 1, col: 0 });
editor.handleInput("\x1b[B"); // Down - cursor to line3
editor.handleInput("\x1b[A"); // Up - cursor moves back to line1
assert.strictEqual(editor.getText(), "line1\nline2\nline3");
// Now on last line, Down should exit history
editor.handleInput("\x1b[B"); // Down - exit to empty
assert.strictEqual(editor.getText(), "");
assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
});
});