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use undefined not null

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This commit is contained in:
Jon Ruskin
2023-01-17 08:31:36 -07:00
parent b93ce24c3d
commit 9629c8d8d6
3 changed files with 9 additions and 5 deletions
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packages/mermaid/src/utils.ts
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@@ -962,7 +962,7 @@ export const parseFontSize = (fontSize: string | number | undefined): [number?,
const fontSizeNumber = parseInt(fontSize, 10);
if (Number.isNaN(fontSizeNumber)) {
// if a number value can't be parsed, return null for both values
return [null, null];
return [undefined, undefined];
} else if (fontSize === String(fontSizeNumber)) {
// if a string input doesn't contain any units, assume px units
return [fontSizeNumber, fontSize + 'px'];