Bigram Node App

This simple app allows you to parse and count bigrams in any given input string

Command line usage

• npm run start [file] ... When running in this method, the text content of the file path will automatically be lowercased, punctuation removed, and results will be output to the console
• npm run test ... Executes unit test cases

Functions and usage

formatInput - Input: String, Output: String[] - Converts an input string to lowercase, removes punctuation, and converts it into an array of separate strings

countBigrams - Input: String[], Output: Map() - Recursively goes through each bigram in your string array and counts the amount of times each bigram appears into a Map. Provide formatted input to this, or if you want your bigrams to be case sensitive or to include punctuation, then pass in your own array of input strings

formatHistogramString - Input: Map(), Output: String - Takes in your histogram map and creates a human readable string showing the amount of times each bigram occured