3862419784

Build # 3862419784

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github

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Pull Request Pull Request #32: types: re-export interfaces

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32 of 32 branches covered (100.0%)

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47 of 47 relevant lines covered (100.0%)

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100.0

/src/utils/generateQueryString.ts

import { GetResource } from './getResource'

export const errorMessage = {
  required: 'You are using an invalid argument. As an argument use an integer (Id) or an array of integers (Ids).',
  optional: 'You are using an invalid argument. As an argument use a filter object or leave it blank.',
}

const isInteger = (val: unknown) => typeof val === 'number' && Number.isInteger(val)

export const isArrayOfIntegers = (val: unknown): boolean => Array.isArray(val) && val.every(isInteger)

const generateQueryString = (query: GetResource['options'], isIdRequired?: boolean): string => {
  if (isIdRequired && isInteger(query)) {
    return `/${query}`
  }

  if (isIdRequired && isArrayOfIntegers(query)) {
    const arrayOfIds = query as number[]

    /**
     * [0] forces the API to return an empty array.
     * This should be addressed in the next API codebase update.
     */
    return `/${arrayOfIds.length ? arrayOfIds : '[0]'}`
  }

  if (!isIdRequired && typeof query === 'object' && !Array.isArray(query)) {
    const params = new URLSearchParams(query as Record<string, string>).toString()
    return `/?${params}`
  }

  throw new Error(errorMessage[isIdRequired ? 'required' : 'optional'])
}

export default generateQueryString

1	import { GetResource } from './getResource'
2
3	export const errorMessage = {	5✔
4	required: 'You are using an invalid argument. As an argument use an integer (Id) or an array of integers (Ids).',
5	optional: 'You are using an invalid argument. As an argument use a filter object or leave it blank.',
6	}
7
8	const isInteger = (val: unknown) => typeof val === 'number' && Number.isInteger(val)	27✔
9
10	export const isArrayOfIntegers = (val: unknown): boolean => Array.isArray(val) && val.every(isInteger)	12✔
11
12	const generateQueryString = (query: GetResource['options'], isIdRequired?: boolean): string => {	5✔
13	if (isIdRequired && isInteger(query)) {	28✔
14	return `/${query}`	4✔
15	}
16
17	if (isIdRequired && isArrayOfIntegers(query)) {	24✔
18	const arrayOfIds = query as number[]	5✔
19
20	/**
21	* [0] forces the API to return an empty array.
22	* This should be addressed in the next API codebase update.
23	*/
24	return `/${arrayOfIds.length ? arrayOfIds : '[0]'}`	5✔
25	}
26
27	if (!isIdRequired && typeof query === 'object' && !Array.isArray(query)) {	19✔
28	const params = new URLSearchParams(query as Record<string, string>).toString()	12✔
29	return `/?${params}`	12✔
30	}
31
32	throw new Error(errorMessage[isIdRequired ? 'required' : 'optional'])	7✔
33	}
34
35	export default generateQueryString	5✔

afuh / rick-and-morty-api-node / 3862419784

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