compare excel files best match in javascript

There are several ways to compare Excel files in JavaScript. One approach is to convert the Excel files into arrays or objects, then use an algorithm to compare the arrays or objects and find the best match.

Here's an example of how you could do this using the Levenshtein Distance algorithm:

index.tsx
function compareExcelFiles(file1, file2) {
  // Convert Excel files to arrays or objects
  var arr1 = convertExcelToArray(file1);
  var arr2 = convertExcelToArray(file2);

  // Calculate Levenshtein Distance between arrays
  var distance = levenshteinDistance(arr1, arr2);

  // Determine best match percentage
  var maxLength = Math.max(arr1.length, arr2.length);
  var matchPercentage = (maxLength - distance) / maxLength * 100;

  // Return result
  return matchPercentage;
}

function convertExcelToArray(file) {
  // Code to convert Excel file to array
}

function levenshteinDistance(arr1, arr2) {
  // Code to calculate Levenshtein Distance between arrays
}
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In this example, compareExcelFiles takes in two Excel files and returns the percentage match between them. The convertExcelToArray function converts the Excel files to arrays or objects, and the levenshteinDistance function calculates the Levenshtein Distance between the arrays.

The Levenshtein Distance algorithm measures the difference between two sequences, and in this case, it's being used to compare the two Excel files. It calculates the number of insertions, deletions, and substitutions needed to transform one sequence into the other, and returns a distance value which represents how different the two sequences are.

By using this algorithm, we can compare the two Excel files and determine how similar they are, and return a percentage match value to determine the best match.