function addEnvVarsToMochaOptions()

in src/index.ts [47:59]

• 13 lines of code
• 6 McCabe index (conditional complexity)

function addEnvVarsToMochaOptions(options: Mocha.MochaOptions): void {
    for (const envVar of Object.keys(process.env)) {
        const match: RegExpMatchArray | null = envVar.match(/^mocha_(.+)/i);
        if (match) {
            const [, option] = match;
            let value: string | number = process.env[envVar] || '';
            if (typeof value === 'string' && !isNaN(parseInt(value))) {
                value = parseInt(value);
            }
            (<any>options)[option] = value;
        }
    }
}