formatFile.ts
For the full content of this gist, refer to https://gist.github.com/CodingAbdullah/a6dd048b7486921bc4796feb5c9a1980
McMaster. Software Engineer with a keen interest in blockchain and web3.
import * as fs from 'fs';
import Queue from './Queue';
fs.readFile('./files/unformattedText.txt', (err, data) => {
if (err) {
console.log(err);
}
else {
let fileData = String(data); // Converting stream to string
let PunctuationQueue = new Queue(); // Initializing an empty queue for string formatting
for (let i = 0; i < fileData.length; i++) {
if (fileData.charAt(i) === '.' || fileData.charAt(i) === '?' || fileData.charAt(i) === '!'){
PunctuationQueue.enqueue(fileData.charAt(i));
}
else {
continue;
}
}
// Regex for splitting on sentence ending punctuation
let sentences: string[] = fileData.split(/[.?!]/);
// Append punctuation back into the sentence using the PunctuationQueue
for (let j = 0; j < sentences.length;j++){
let punctuationValue = PunctuationQueue.dequeue();
sentences[j] += punctuationValue;
}
// Append newline characters at the end of each sentence
for (let k = 0; k < sentences.length; k++){
sentences[k] += '\n';
}
// Append all into a single string again
let modifiedText = '';
for (let x = 0; x < sentences.length; x++) {
modifiedText += sentences[x];
}
// Finally, write back the modified text to a new file
fs.writeFile('./files/formattedText.txt', modifiedText, (err) => {
if (err) {
console.log(err);
}
});
}
});