geohash-compression
Compressing string array of geohash
Example
const fs = require('fs');
const compressGeohashes = require('geohash-compression');
const hashes = JSON.parse(fs.readFileSync('./data.json'));
const compressedHashes = compressGeohashes(hashes);
console.log(`Uncompressed length: ${hashes.length}`);
console.log(`Compressed length: ${compressedHashes.length}`);Result
Uncompressed length: 26953
Compressed length: 2339
data.json
["ezpgwfut","ezpgwfuv","ezpgwfvj","ezpgwfvm","ezpgwfvt","ezpgwfvv","ezpgwfyj","ezpgwfgh","ezpgwfgk","ezpgwfgs","ezpgwfgu","ezpgwfuh","ezpgwfuk","ezpgwfus","ezpgwfuu","ezpgwfvh","ezpgwfvk","ezpgwfvs","ezpgwfvu","ezpgwfyh","ezpgwfyk","ezpgwfys","ezpgwffg",...,"ezpgquns","ezpgqunu","ezpgquph","ezpgqupk","ezpgqups","ezpgqupu","ezpgqup7"]