how to use the sortedindexof function from the lodash library in typescript

To use the sortedIndexOf function from the Lodash library in TypeScript with type annotations, follow these steps:

  1. Install the necessary packages through npm:
index.ts
npm install --save lodash
npm install --save @types/lodash
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  1. Import the function into your TypeScript file:
index.ts
import sortedIndexOf from 'lodash/sortedIndexOf';
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  1. Define your array and the value you want to search for:
index.ts
const myArray: number[] = [1, 3, 5, 7, 9];
const myValue: number = 4;
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  1. Call the sortedIndexOf function and pass in the array and value as arguments:
index.ts
const index: number = sortedIndexOf(myArray, myValue);
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  1. Use the returned index in your code as needed:
index.ts
console.log(`The index of ${myValue} in ${myArray} is ${index}.`);
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Note that the sortedIndexOf function returns -1 if the value is not found in the array.

Full example code:

index.ts
import sortedIndexOf from 'lodash/sortedIndexOf';

const myArray: number[] = [1, 3, 5, 7, 9];
const myValue: number = 4;

const index: number = sortedIndexOf(myArray, myValue);

console.log(`The index of ${myValue} in ${myArray} is ${index}.`);
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