Function formatIssues

lib/properties-validator.ts:662–668

(name: string, issues: ValidationIssue[])

    const lines: string[] = [];

    const formatIssues = (name: string, issues: ValidationIssue[]) => {
        if (issues.length === 0) return;
        lines.push(`${name}:`);
        for (const issue of issues.sort((a, b) => a.line - b.line)) {
            lines.push(`  Line ${issue.line}: ${issue.text}`);
        }
    };

    lines.push(`## ${filename}`);
    formatIssues('Duplicate keys', result.duplicateKeys);