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// This API needs to be deployed to a server or serverless backend. | |
// I used now.sh to deploy it. You can find a tutorial here : https://zeit.co/docs/v2/deployments/basics/ | |
const { parse } = require('url'); | |
const axios = require('axios'); | |
module.exports = async (req, res) => { | |
function similarity(s1, s2) { | |
var longer = s1; | |
var shorter = s2; | |
if (s1.length < s2.length) { | |
longer = s2; | |
shorter = s1; | |
} | |
var longerLength = longer.length; | |
if (longerLength == 0) { | |
return 1.0; | |
} | |
return (longerLength - editDistance(longer, shorter)) / parseFloat(longerLength); | |
} | |
function editDistance(s1, s2) { | |
s1 = s1.toLowerCase(); | |
s2 = s2.toLowerCase(); | |
var costs = new Array(); | |
for (var i = 0; i <= s1.length; i++) { | |
var lastValue = i; | |
for (var j = 0; j <= s2.length; j++) { | |
if (i == 0) | |
costs[j] = j; | |
else { | |
if (j > 0) { | |
var newValue = costs[j - 1]; | |
if (s1.charAt(i - 1) != s2.charAt(j - 1)) | |
newValue = Math.min(Math.min(newValue, lastValue), | |
costs[j]) + 1; | |
costs[j - 1] = lastValue; | |
lastValue = newValue; | |
} | |
} | |
} | |
if (i > 0) | |
costs[s2.length] = lastValue; | |
} | |
return costs[s2.length]; | |
} | |
const { query } = parse(req.url, true) | |
const { hero = 'World' } = query; | |
const resp = await axios.get('https://akabab.github.io/superhero-api/api/all.json'); | |
let foundData; | |
resp.data.map( elem => { | |
if((similarity(hero,elem.name)>=.8 || similarity(hero,elem.biography.fullName)>=.8) && !foundData) { | |
foundData = elem; | |
} | |
}); | |
foundData ? res.end(JSON.stringify(foundData)) : res.end('Hero Not Found'); | |
} |
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