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fix(tui): align input word segmentation with editor (#5068)

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This commit is contained in:
xu0o0
2026-05-28 02:50:04 +08:00
committed by GitHub
parent 61babc24cf
commit 701801dec2
5 changed files with 381 additions and 146 deletions
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98
packages/tui/src/components/editor.ts
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@@ -4,14 +4,8 @@ import { decodePrintableKey, matchesKey } from "../keys.ts";
import { KillRing } from "../kill-ring.ts";
import { type Component, CURSOR_MARKER, type Focusable, type TUI } from "../tui.ts";
import { UndoStack } from "../undo-stack.ts";
import {
getGraphemeSegmenter,
getWordSegmenter,
isWhitespaceChar,
PUNCTUATION_REGEX,
truncateToWidth,
visibleWidth,
} from "../utils.ts";
import { getGraphemeSegmenter, getWordSegmenter, isWhitespaceChar, truncateToWidth, visibleWidth } from "../utils.ts";
import { findWordBackward, findWordForward } from "../word-navigation.ts";
import { SelectList, type SelectListLayoutOptions, type SelectListTheme } from "./select-list.ts";
const graphemeSegmenter = getGraphemeSegmenter();
@@ -1780,48 +1774,12 @@ export class Editor implements Component, Focusable {
return;
}
const textBeforeCursor = currentLine.slice(0, this.state.cursorCol);
const segments = [...this.segment(textBeforeCursor, "word")];
let newCol = this.state.cursorCol;
// Skip trailing whitespace
while (
segments.length > 0 &&
!isPasteMarker(segments[segments.length - 1]?.segment || "") &&
isWhitespaceChar(segments[segments.length - 1]?.segment || "")
) {
newCol -= segments.pop()?.segment.length || 0;
}
if (segments.length > 0) {
const last = segments[segments.length - 1]!;
if (isPasteMarker(last.segment)) {
// Skip one paste marker.
newCol -= segments.pop()?.segment.length || 0;
} else if (last.isWordLike) {
// Skip inside one word-like segment, preserving existing ASCII punctuation boundaries.
const segment = last.segment;
const matches = [...segment.matchAll(new RegExp(PUNCTUATION_REGEX, "g"))];
if (matches.length <= 0) {
newCol -= segment.length;
} else {
const lastMatch = matches[matches.length - 1]!;
newCol -= segment.length - (lastMatch.index + lastMatch[0].length);
}
} else {
// Skip non-word non-whitespace run (punctuation)
while (
segments.length > 0 &&
!isPasteMarker(segments[segments.length - 1]?.segment || "") &&
!segments[segments.length - 1]?.isWordLike &&
!isWhitespaceChar(segments[segments.length - 1]?.segment || "")
) {
newCol -= segments.pop()?.segment.length || 0;
}
}
}
this.setCursorCol(newCol);
this.setCursorCol(
findWordBackward(currentLine, this.state.cursorCol, {
segment: (text) => this.segment(text, "word"),
isAtomicSegment: isPasteMarker,
}),
);
}
/**
@@ -2008,40 +1966,12 @@ export class Editor implements Component, Focusable {
return;
}
const textAfterCursor = currentLine.slice(this.state.cursorCol);
const segments = this.segment(textAfterCursor, "word");
const iterator = segments[Symbol.iterator]();
let next = iterator.next();
let newCol = this.state.cursorCol;
// Skip leading whitespace
while (!next.done && !isPasteMarker(next.value.segment) && isWhitespaceChar(next.value.segment)) {
newCol += next.value.segment.length;
next = iterator.next();
}
if (!next.done) {
if (isPasteMarker(next.value.segment)) {
// Skip one paste marker.
newCol += next.value.segment.length;
} else if (next.value.isWordLike) {
// Skip inside one word-like segment, preserving existing ASCII punctuation boundaries.
newCol += PUNCTUATION_REGEX.exec(next.value.segment)?.index ?? next.value.segment.length;
} else {
// Skip non-word non-whitespace run (punctuation)
while (
!next.done &&
!isPasteMarker(next.value.segment) &&
!next.value.isWordLike &&
!isWhitespaceChar(next.value.segment)
) {
newCol += next.value.segment.length;
next = iterator.next();
}
}
}
this.setCursorCol(newCol);
this.setCursorCol(
findWordForward(currentLine, this.state.cursorCol, {
segment: (text) => this.segment(text, "word"),
isAtomicSegment: isPasteMarker,
}),
);
}
// Slash menu only allowed on the first line of the editor