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Update objectToQueryString.md

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Angelos Chalaris
2019-10-16 09:35:02 +03:00
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snippets/objectToQueryString.md
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@ -3,12 +3,11 @@ title: objectToQueryString
tags: utility,object,function,intermediate
---
Generates a query string from key values pairs from given object.
Returns a query string generated from the key-value pairs of the given object.
Attaches `?` in front of query string and ignores any non-string
values and their corresponding keys from given object. The function
returns empty string as a result if there is no single valid
key-value pair in given object, else returns generated query string.
Use `Array.prototype.reduce()` on `Object.entries(queryParameters)` to create the query string.
Determine the `symbol` to be either `?` or `&` based on the `index` and concatenate `val` to `queryString` only if it's a string.
Return the `queryString` or an empty string when the `queryParameters` are falsy.
```js
const objectToQueryString = (queryParameters) => {