@edit-distance/myers-1986
Reasonably efficient and concise exact longest common subsequence and minimum edit-distance algorithm implementation for JavaScript
longest
Get the longest item in an array.
node-lcs
Implementations for the Longest Common Substring algorithm [O(nm) time]
common-path
Finds the longest common parent directory path in an array of file path strings or custom objects. Also returns sub and base parts for each path.