Map String to Index

map-string-to-index.js

var mappingIndex = 0;
var mappingDictionary = []; 

function MappingDictionary(stringToFind) {
    output = 0;
    var queryResult = mappingDictionary.filter(obj => Object.values(obj).some(val => val?val.toString().toLowerCase().includes(stringToFind):false))[0];
    if (queryResult) {
        output = queryResult["Key"];
    }
    else {
        mappingIndex = mappingIndex + 1;
        var mappingDictionaryEntry = {};
        mappingDictionaryEntry.Key = mappingIndex;
        mappingDictionaryEntry.Value = stringToFind;
        mappingDictionary.push(mappingDictionaryEntry);
        output = mappingIndex;
    }
    console.log(stringToFind + ": " + output);
    return output;
}

// var uniqueValue = inputIndex + "-" + inputValue; 
//var output = MappingDictionary(uniqueValue);



MappingDictionary("dog");
MappingDictionary("bird");
MappingDictionary("cat");
MappingDictionary("dog");