Created
March 13, 2021 15:04
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| // Example usage | |
| const idArray = [ | |
| { id: 1, title: "My First Title", body: "My first body text" }, | |
| { id: 2, title: "My Second Title", body: "My second body text" }, | |
| { id: 3, title: "My Third Title", body: "My third body text" }, | |
| ]; | |
| const data = filterArrayOfObjectsByKey(idArray,'id', event.currentTarget.id, myData); | |
| // pretend we are using React state | |
| setIdArrayInState(data); | |
| // you can also use it without defining a variable first | |
| setIdArrayInState(filterArrayOfObjectsByKey(idArray,'id', event.currentTarget.id, myData)); | |
| // or imagine sending as a body prop on a request. i think this will work 🥴 | |
| fetch(someUrl, | |
| { | |
| method: "POST", | |
| body: JSON.stringify(filterArrayOfObjectsByKey(idArray,'id', event.currentTarget.id, myData)) | |
| } | |
| ) | |
| .then(res => res.json()) | |
| .then(data => console.log(data)) | |
| .catch(err => console.log(err)) | |
| // the function 😀 | |
| /** | |
| * @name filterArrayOfObjectsByKey | |
| * @desc description here | |
| * @param { array } sourceArray the array of objects you're checking against | |
| * @param { string } sourceArrayObjectKeyToCheck // the object key in your array you're looking to check for | |
| * @param { string || number } valueToCheck // the value of the object you're looking for | |
| * @param { object } objectToAddToSourceArray // the data you want to add to your sourceArray | |
| * @returns returns array of objects or empty array | |
| */ | |
| function filterArrayOfObjectsByKey( | |
| sourceArray: { [key: string]: string }[] | [], | |
| sourceArrayObjectKeyToCheck: string, | |
| valueToCheck: string | number, | |
| objectToAddToSourceArray: { [key: string]: string | number } | |
| ): { [key: string]: string | number }[] | [] { | |
| // check if the array contains the value you're looking for | |
| if ( | |
| sourceArray.some( | |
| (obj: { [key: string]: string | number }) => | |
| obj[sourceArrayObjectKeyToCheck] === valueToCheck | |
| ) | |
| ) { | |
| // if the value exists, filter it out and return filtered array | |
| return sourceArray.filter( | |
| (obj: { [key: string]: string | number }) => | |
| obj[sourceArrayObjectKeyToCheck] !== valueToCheck | |
| ); | |
| } else { | |
| // of the value doesn't exists, add objectToAddToSourceArray to the source array | |
| return [...sourceArray, objectToAddToSourceArray]; | |
| } | |
| } |
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