| 1291 | } |
| 1292 | |
| 1293 | private measureWrappedText(): WrappedLine[] { |
| 1294 | const wrappedText = wrapAnsi(this.text, this.columns, { |
| 1295 | hard: true, |
| 1296 | trim: false, |
| 1297 | }) |
| 1298 | |
| 1299 | const wrappedLines: WrappedLine[] = [] |
| 1300 | let searchOffset = 0 |
| 1301 | let lastNewLinePos = -1 |
| 1302 | |
| 1303 | const lines = wrappedText.split('\n') |
| 1304 | for (let i = 0; i < lines.length; i++) { |
| 1305 | const text = lines[i]! |
| 1306 | const isPrecededByNewline = (startOffset: number) => |
| 1307 | i === 0 || (startOffset > 0 && this.text[startOffset - 1] === '\n') |
| 1308 | |
| 1309 | if (text.length === 0) { |
| 1310 | // For blank lines, find the next newline character after the last one |
| 1311 | lastNewLinePos = this.text.indexOf('\n', lastNewLinePos + 1) |
| 1312 | |
| 1313 | if (lastNewLinePos !== -1) { |
| 1314 | const startOffset = lastNewLinePos |
| 1315 | const endsWithNewline = true |
| 1316 | |
| 1317 | wrappedLines.push( |
| 1318 | new WrappedLine( |
| 1319 | text, |
| 1320 | startOffset, |
| 1321 | isPrecededByNewline(startOffset), |
| 1322 | endsWithNewline, |
| 1323 | ), |
| 1324 | ) |
| 1325 | } else { |
| 1326 | // If we can't find another newline, this must be the end of text |
| 1327 | const startOffset = this.text.length |
| 1328 | wrappedLines.push( |
| 1329 | new WrappedLine( |
| 1330 | text, |
| 1331 | startOffset, |
| 1332 | isPrecededByNewline(startOffset), |
| 1333 | false, |
| 1334 | ), |
| 1335 | ) |
| 1336 | } |
| 1337 | } else { |
| 1338 | // For non-blank lines, find the text in this.text |
| 1339 | const startOffset = this.text.indexOf(text, searchOffset) |
| 1340 | |
| 1341 | if (startOffset === -1) { |
| 1342 | throw new Error('Failed to find wrapped line in text') |
| 1343 | } |
| 1344 | |
| 1345 | searchOffset = startOffset + text.length |
| 1346 | |
| 1347 | // Check if this line ends with a newline in this.text |
| 1348 | const potentialNewlinePos = startOffset + text.length |
| 1349 | const endsWithNewline = |
| 1350 | potentialNewlinePos < this.text.length && |