update examples

example/nodejs-esm/language-pack/index.js

@@ -0,0 +1,41 @@
+import { Index, Encoder, Charset } from "flexsearch/esm";
+import EnglishPreset from "flexsearch/esm/lang/en";
+
+const encoder = new Encoder(
+    Charset.LatinSimple,
+    EnglishPreset
+);
+
+// create a simple index which can store id-content-pairs
+const index = new Index({
+    tokenize: "forward",
+    encoder: encoder
+});
+
+// some test data
+const data = [
+    'She doesn’t get up at six o’clock.',
+    'It\'s been raining for five hours now.'
+];
+
+// add data to the index
+data.forEach((item, id) => {
+    index.add(id, item);
+});
+
+// perform query
+let result = index.search("she does not at clock");
+
+// display results
+result.forEach(i => {
+    console.log(data[i]);
+    console.log("-------------------------------------");
+});
+
+// perform query
+result = index.search("it is raining");
+
+// display results
+result.forEach(i => {
+    console.log(data[i]);
+});