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Don't insert hyphen after existing hyphen during line split. #2739

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Don't insert hyphen after existing hyphen during line split. #2739

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6 changes: 4 additions & 2 deletions packages/textkit/src/engines/linebreaker/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ import advanceWidthBetween from '../../attributedString/advanceWidthBetween';
* @typedef {import('../../types.js').Attributes} Attributes
*/

const HYPHEN = 0x002d;
const HYPHEN = '-';
const TOLERANCE_STEPS = 5;
const TOLERANCE_LIMIT = 50;

Expand Down Expand Up @@ -43,7 +43,9 @@ const breakLines = (string, nodes, breaks) => {
end = prevNode.value.end;

line = slice(start, end, string);
line = insertGlyph(line.length, HYPHEN, line);
if (!line.string?.endsWith(HYPHEN)) {
line = insertGlyph(line.length, HYPHEN.charCodeAt(0), line);
}
} else {
end = node.value.end;
line = slice(start, end, string);
Expand Down