Prototype

utils.js

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+export function nextId() {
+  // @ts-ignore
+  const id = nextId.id || 0;
+  // @ts-ignore
+  nextId.id = id + 1;
+  return id;
+}
+
+export function splitWords(text) {
+  let words = [''];
+  for (let char of text) {
+    if ([' ', '\n'].includes(char)) words.push(char, '');
+    else words[words.length-1] += char;
+  }
+  if (words[words.length-1] === '') words = words.slice(0, words.length-1);
+  return words;
+}