Function hasBreakingChangePrefix

scripts/changes/changes.ts:390–396

* Checks if content starts with "BREAKING CHANGE: " (case-insensitive, * ignoring markdown formatting and leading whitespace)

(content: string)

 * ignoring markdown formatting and leading whitespace)
 */
function hasBreakingChangePrefix(content: string): boolean {
  return content
    .trimStart()
    .replace(/^[*_]+/, "")
    .toLowerCase()
    .startsWith("breaking change: ");
}

/**
 * Formats a changelog entry from change file content