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Support bold and other styles in svg snapshots (#20937)

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This commit is contained in:
Jacob Richman
2026-03-03 14:44:25 -08:00
committed by GitHub
parent df14a6c2db
commit 1124e49f34
38 changed files with 166 additions and 125 deletions
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29
packages/cli/src/test-utils/svg.ts
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@@ -89,6 +89,7 @@ export const generateSvgForTerminal = (terminal: Terminal): string => {
break;
}
}
if (contentRows === 0) contentRows = 1; // Minimum 1 row
const width = terminal.cols * charWidth + padding * 2;
@@ -113,6 +114,9 @@ export const generateSvgForTerminal = (terminal: Terminal): string => {
let currentFgHex: string | null = null;
let currentBgHex: string | null = null;
let currentIsBold = false;
let currentIsItalic = false;
let currentIsUnderline = false;
let currentBlockStartCol = -1;
let currentBlockText = '';
let currentBlockNumCells = 0;
@@ -128,12 +132,20 @@ export const generateSvgForTerminal = (terminal: Terminal): string => {
svg += ` <rect x="${xPos}" y="${yPos}" width="${rectWidth}" height="${charHeight}" fill="${currentBgHex}" />
`;
}
if (currentBlockText.trim().length > 0) {
if (currentBlockText.trim().length > 0 || currentIsUnderline) {
const fill = currentFgHex || '#ffffff'; // Default text color
const textWidth = currentBlockNumCells * charWidth;
let extraAttrs = '';
if (currentIsBold) extraAttrs += ' font-weight="bold"';
if (currentIsItalic) extraAttrs += ' font-style="italic"';
if (currentIsUnderline)
extraAttrs += ' text-decoration="underline"';
// Use textLength to ensure the block fits exactly into its designated cells
svg += ` <text x="${xPos}" y="${yPos + 2}" fill="${fill}" textLength="${textWidth}" lengthAdjust="spacingAndGlyphs">${escapeXml(currentBlockText)}</text>
`;
const textElement = `<text x="${xPos}" y="${yPos + 2}" fill="${fill}" textLength="${textWidth}" lengthAdjust="spacingAndGlyphs"${extraAttrs}>${escapeXml(currentBlockText)}</text>`;
svg += ` ${textElement}\n`;
}
}
}
@@ -164,17 +176,27 @@ export const generateSvgForTerminal = (terminal: Terminal): string => {
bgHex = tempFgHex || '#ffffff';
}
const isBold = !!cell.isBold();
const isItalic = !!cell.isItalic();
const isUnderline = !!cell.isUnderline();
let chars = cell.getChars();
if (chars === '') chars = ' '.repeat(cellWidth);
if (
fgHex !== currentFgHex ||
bgHex !== currentBgHex ||
isBold !== currentIsBold ||
isItalic !== currentIsItalic ||
isUnderline !== currentIsUnderline ||
currentBlockStartCol === -1
) {
finalizeBlock(x);
currentFgHex = fgHex;
currentBgHex = bgHex;
currentIsBold = isBold;
currentIsItalic = isItalic;
currentIsUnderline = isUnderline;
currentBlockStartCol = x;
currentBlockText = chars;
currentBlockNumCells = cellWidth;
@@ -185,6 +207,7 @@ export const generateSvgForTerminal = (terminal: Terminal): string => {
}
finalizeBlock(line.length);
}
svg += ` </g>\n</svg>`;
return svg;
};