do-not-abuse-of-nullish-coalescing-usage-in.ts

// Link for example in Typescript playground
// https://www.typescriptlang.org/play?#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

function getConfig(
    config?: {
        appearance?: string;
        animation?: string;
        loadingText?: string;
        count?: number;
        theme?: {[k: string]: any} | null;
    }
): void {
    const {appearance = 'line', animation = 'progress', theme = null, loadingText = 'Loading...', count = 1} = config || {};

    console.log(appearance, animation, theme, loadingText, count);
}

function getConfig2(
    config?: {
        appearance?: string;
        animation?: string;
        loadingText?: string;
        count?: number;
        theme?: {[k: string]: any} | null;
    }
): void {
    const appearance = config?.appearance ?? 'line';
    const animation = config?.animation ?? 'progress';
    const theme = config?.theme ?? null;
    const loadingText = config?.loadingText ?? 'Loading...';
    const count = config?.count ?? 1;

    console.log(appearance, animation, theme, loadingText, count);
}

function getConfig3(
    config?: {
        appearance?: string;
        animation?: string;
        loadingText?: string;
        count?: number;
        theme?: {[k: string]: any} | null;
    }
): void {
    const {appearance = 'line', animation = 'progress', theme = null, loadingText = 'Loading...', count = 1} = config ?? {};

    console.log(appearance, animation, theme, loadingText, count);
}