Module for reading array by chunks using promise
npm install array-chunk-readernpm install array-chunk-reader``js
const arrayChunkReader = require("array-chunk-reader");
const array = [];
for (let i = 0; i < 1000000; i++) {
array.push("item-" + i);
}
// Function to handle each item
const fn = value => Promise.resolve(value);
// Function to handle a chunk
const fnChunk = allChunkValuesList => Promise.resolve(allChunkValuesList);
const options = {
size: 100, // chunk size, default = Math.floor(Math.sqrt(array.length))
timeout: 10, // timeout after each chunk, default = 1
log: true, // to log the process, default = true
from: 0, // start position, default = 0
to: array.length // end position, default = array.length
}
const arrayReader = new arrayChunkReader(array, options);
arrayReader.start(fn, fnChunk).then(() => 'the end');
``