_2704. To Be Or Not To Be.md

2704. To Be Or Not To Be

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First completed : July 09, 2024

Last updated : July 10, 2024

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Related Topics : N/A

Acceptance Rate : 62.52 %

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Solutions

• e2704 v2 Classes.js
• e2704.js

JavaScript

e2704 v2 Classes.js

class helper {
    constructor(val) {
        this.val = val;
    }

    toBe(n) {
        if (n !== this.val) throw new Error('Not Equal');
        return true;
    }

    notToBe(n) {
        if (n === this.val) throw new Error('Equal');
        return true;
    }
}


/**
 * @param {string} val
 * @return {Object}
 */
var expect = function(val) {
    return new helper(val);
};

/**
 * expect(5).toBe(5); // true
 * expect(5).notToBe(5); // throws "Equal"
 */

e2704.js

/**
 * @param {string} val
 * @return {Object}
 */
var expect = function(val) {
    let obj = {
        toBe: function(n) {
            if (n !== val) throw new Error('Not Equal');
            return true;
        },
        notToBe: function(n) {
            if (val === n) throw new Error('Equal');
            return true;
        }
    }
    return obj;
};

/**
 * expect(5).toBe(5); // true
 * expect(5).notToBe(5); // throws "Equal"
 */