scripts for cleaning up and adding new lists of words

scripts/injest-words.js

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+const { basename } = require('path');
+const { createReadStream, existsSync } = require('fs');
+const { createInterface } = require('readline');
+
+
+function printHelp() {
+	console.log(`Usage ${basename(process.argv[1])} word-list.txt`);
+	console.log('Breaks dashed words into separate words, puts multiple words on a line on new lines and deletes repeating new lines.');
+}
+
+
+
+function validateInput() {
+	if (process.argv.length < 3) {
+		printHelp();
+		process.exit(1);
+	}
+
+	if (!existsSync(process.argv[2])) {
+		console.error(`Failure! Could not find word list file "${process.argv[3]}."`);
+		process.exit(2);
+	}
+
+	return {
+		fileName: process.argv[2]
+	}
+}
+
+
+function printWords(wordList) {
+	if (Array.isArray(wordList)) {
+		wordList.forEach(w => console.log(w));
+	}
+}
+
+
+function cleanSpecialChars(line) {
+	const spacesOnly = /^\s+$/;
+	const digits = /\d+/;
+
+	if (!line || !line.length || spacesOnly.test(line)) {
+		return [];
+	}
+
+	return line
+		.replaceAll(/[\x01-\x20]+/g, ' ')
+		.replaceAll(/[&\s,":;\*/]+/g, ' ')
+		.replaceAll(/\s+/g, ' ')
+		.replaceAll(/[\[\]\.\?\(\)]/g, '')
+		.split(' ')
+		.filter(w => w.length > 1 && !digits.test(w));
+}
+
+
+function splitDashedWords(inputWords) {
+	if (!Array.isArray(inputWords)) {
+		return [];
+	}
+
+	const roots = {};
+	const words = {};
+
+	for (const word of inputWords) {
+		if (!word.includes('-')) {
+			words[word] = true;
+			continue;
+		}
+
+		const parts = word.split('-');
+		for (let i = 0; i < parts.length - 1; i++) {
+			const key = `${parts[i]}-`;
+			if (key in roots) {
+				words[key] = true;
+			} else {
+				roots[key] = true;
+				words[parts[i]] = true;
+			}
+		}
+
+		words[parts[parts.length - 1]] = true;
+	}
+
+	return Object.keys(words);
+}
+
+
+async function work({ fileName }) {
+	words = [];
+
+	let lineReader = createInterface({ input: createReadStream(fileName) });
+	for await (const line of lineReader) {
+		newWords = cleanSpecialChars(line);
+
+		words = [
+			...words,
+			...newWords
+		];
+	}
+
+	return splitDashedWords(words).filter(w => w.length > 1).sort();
+}
+
+
+/** main **/
+work(validateInput())
+	.then(words => printWords(words))
+	.catch(e => console.error(e));