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Implement sum #2

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Implement sum #2

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dorelljames Jan 30, 2023
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Update sum.ts
webriq Jan 30, 2023
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9 changes: 9 additions & 0 deletions pages/api/sum.ts
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Original file line number Diff line number Diff line change
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import type { NextApiRequest, NextApiResponse } from "next";
import { sum } from "@/pages/utils/sum";
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@reidsolon reidsolon Feb 18, 2023

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Use alias for sum sum: calculateSum


export default function handler(req: NextApiRequest, res: NextApiResponse) {
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@glennmichael123 glennmichael123 Feb 18, 2023

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function should have return type e.g

export default function handler(req: NextApiRequest, res: NextApiResponse): void {

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@dorelljames dorelljames Feb 18, 2023

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I appreciate the return type but I think this is not necessary.

const { num1, num2 } = req.query;
const result = sum(num1, num2);
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@reidsolon reidsolon Feb 18, 2023

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const sum = calculateSum(num1, num2)
res.status(200).json({ sum })

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@dorelljames dorelljames Feb 18, 2023

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Can you provide more context to this? or what do you really mean to do with this?

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@arielpasilang arielpasilang Feb 18, 2023 •
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Add try catch handler and handle statusCode.

  try {
const { num1, num2 } = req.query;
  const result = sum(num1, num2);
res.status(200).json({ statusCode: 200, message: "Success", total: result });
  } catch (err) {
    res.status(400).json({ statusCode:400, message: "Error when summing up", total: null });
  }


res.status(200).json({ sum: result });
}
8 changes: 8 additions & 0 deletions pages/utils/sum.ts
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export function sum(a: number, b: number, format: "html" | "text" = "html") {
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@thisisdajaaa thisisdajaaa Feb 18, 2023 •
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Kindly create a typing that contains the format value as shown below

type Format = "html" | "text"

And use the format type in the format parameter as a type

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@dorelljames dorelljames Feb 18, 2023

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Good catch! Will do.

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@thisisdajaaa thisisdajaaa Feb 18, 2023

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Maybe it's best to add a comment for this function e.g jsdocs to have descriptions for the functionality of this function

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@dorelljames dorelljames Feb 18, 2023 •
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Yes. lets do that. Can you give me reference to JSDocs and how we can do that? Maybe you can also provide an example or reference link for me to check?

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@thisisdajaaa thisisdajaaa Feb 18, 2023 •
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Maybe it's best to rename the function to "getSum" or "calculateSum" in order to know that this function calculates the sum

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@dorelljames dorelljames Feb 18, 2023

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OK. I think this aligns with our coding standards / style guide.

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@glennmichael123 glennmichael123 Feb 18, 2023

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function should have return type e.g

export function sum(a: number, b: number, format: "html" | "text" = "html"):  string | number {

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@dorelljames dorelljames Feb 18, 2023

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I believe we only output string here so this makes the type incorrect. Don't you think?

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@thisisdajaaa thisisdajaaa Feb 18, 2023 •
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Maybe it's better to rename parameter to "num1" or "num2" to make it more readable compared to a and b. What do you think?

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@dorelljames dorelljames Feb 18, 2023

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Yes. I agree. Lets do that.

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const result = a + b;
if (format === "html") {
return `<span>${result}</span>`;
} else {
return result;
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@thisisdajaaa thisisdajaaa Feb 18, 2023

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Would it be much more readable to implement this code block as shown below?

if(format === "text") return result:

return <span>${result}</span>

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@dorelljames dorelljames Feb 18, 2023 •
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How about we remove the else statement in this case? I think the code you provided behaves the same way with my implementation but I agree that it makes it cleaner if we remove the else at this point.

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@glennmichael123 glennmichael123 Feb 18, 2023

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to expand @DAJAKMPM no need for else statement

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@dorelljames dorelljames Feb 18, 2023

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Yes.

}
}