Revert "Upstream 20240517"

streaming/utils.js

@@ -16,46 +16,7 @@ const FALSE_VALUES = [
  * @param {any} value
  * @returns {boolean}
  */
-export function isTruthy(value) {
-  return value && !FALSE_VALUES.includes(value);
-}
+const isTruthy = value =>
+  value && !FALSE_VALUES.includes(value);
 
-/**
- * See app/lib/ascii_folder.rb for the canon definitions
- * of these constants
- */
-const NON_ASCII_CHARS        = 'ÀÁÂÃÄÅàáâãäåĀāĂ㥹ÇçĆćĈĉĊċČčÐðĎďĐđÈÉÊËèéêëĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħÌÍÎÏìíîïĨĩĪīĬĭĮįİıĴĵĶķĸĹĺĻļĽľĿŀŁłÑñŃńŅņŇňʼnŊŋÒÓÔÕÖØòóôõöøŌōŎŏŐőŔŕŖŗŘřŚśŜŝŞşŠšſŢţŤťŦŧÙÚÛÜùúûüŨũŪūŬŭŮůŰűŲųŴŵÝýÿŶŷŸŹźŻżŽž';
-const EQUIVALENT_ASCII_CHARS = 'AAAAAAaaaaaaAaAaAaCcCcCcCcCcDdDdDdEEEEeeeeEeEeEeEeEeGgGgGgGgHhHhIIIIiiiiIiIiIiIiIiJjKkkLlLlLlLlLlNnNnNnNnnNnOOOOOOooooooOoOoOoRrRrRrSsSsSsSssTtTtTtUUUUuuuuUuUuUuUuUuUuWwYyyYyYZzZzZz';
-
-/**
- * @param {string} str
- * @returns {string}
- */
-export function foldToASCII(str) {
-  const regex = new RegExp(NON_ASCII_CHARS.split('').join('|'), 'g');
-
-  return str.replace(regex, function(match) {
-    const index = NON_ASCII_CHARS.indexOf(match);
-    return EQUIVALENT_ASCII_CHARS[index];
-  });
-}
-
-/**
- * @param {string} str
- * @returns {string}
- */
-export function normalizeHashtag(str) {
-  return foldToASCII(str.normalize('NFKC').toLowerCase()).replace(/[^\p{L}\p{N}_\u00b7\u200c]/gu, '');
-}
-
-/**
- * @param {string|string[]} arrayOrString
- * @returns {string}
- */
-export function firstParam(arrayOrString) {
-  if (Array.isArray(arrayOrString)) {
-    return arrayOrString[0];
-  } else {
-    return arrayOrString;
-  }
-}
+exports.isTruthy = isTruthy;