azure-devops-ui
Version:
React components for building web UI in Azure DevOps
28 lines (27 loc) • 789 B
JavaScript
/**
* Takes CSS text with themeable property variables (like 'background: var(--background-color)') and
* replaces the CSS variables with the values from the specified theme
*
* @param str
* @param themeData
*/
export function expandThemeableProperties(str, themeData) {
if (!themeData) {
return str;
}
// Match a theme variable in the first capturing group
var re = /var\(--([A-Z_-][A-Z0-9_-]*)\)/gim;
var result;
var replaced = str;
while ((result = re.exec(str))) {
if (result[1]) {
replaced = replaced.replace(result[0], themeData[result[1]]);
}
}
if (replaced === str) {
return str;
}
else {
return expandThemeableProperties(replaced, themeData);
}
}