Hello world

First open source release of Campfire 🎉

app/javascript/lib/autocomplete/utils.js

@@ -0,0 +1,33 @@
+export function camelize(dashString) {
+  const element = document.createElement("span")
+  element.setAttribute(`data-${dashString}`, "")
+  return Object.keys(element.dataset)[0]
+}
+
+export function memoize(object, name, value) {
+  Object.defineProperty(object, name, { value })
+  return value
+}
+
+export function normalize(string) {
+  return string.normalize("NFKD").replace(/\p{Diacritic}/gu, "")
+}
+
+export function regexpForQuery(query, prefix = "") {
+  return new RegExp(prefix + patternForQuery(query), "i")
+}
+
+export function patternForQuery(query) {
+  return normalize(query.toString()).split("").map(regexpEscape).join("(.*\\s)?").replace(/\(\.\*\\s\)\? /g, "[^ ]* ")
+}
+
+
+export function uniqueValues(array) {
+  const set = new Set()
+  Array.from(array).forEach(value => set.add(value))
+  return Array.from(set)
+}
+
+export function regexpEscape(string) {
+  return  string.toString().replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&")
+}