Changing JS files to .mjs suffixes

example/js/lib/package.json

@@ -2,8 +2,10 @@
   "name": "demo",
   "version": "0.0.1",
   "description": "Diplomat WASM example",
-  "type": "module",
-  "main": "./api/index.js",
+  "main": "./api/index.mjs",
+  "exports": {
+    ".": "./api/index.mjs"
+  },
   "directories": {
     "doc": "docs",
     "test": "test"

example/js/lib/test/fixed-decimal-ts.mjs

@@ -1,5 +1,5 @@
 import test from 'ava';
-import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "../api/index.js"
+import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "demo";
 test("multiply a fixed decimal by 0.1", t => {
     const my_decimal = ICU4XFixedDecimal.new(123);
     my_decimal.multiply_pow10(-1);

example/js/lib/test/fixed-decimal-ts.mts

@@ -1,6 +1,6 @@
 import test from 'ava';
 
-import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "../api/index.js"
+import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "demo";
 
 test("multiply a fixed decimal by 0.1", t => {
     const my_decimal = ICU4XFixedDecimal.new(123);

example/js/lib/test/fixed-decimal.mjs

@@ -1,6 +1,6 @@
 import test from 'ava';
 
-import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "../api/index.js"
+import { ICU4XFixedDecimal, ICU4XLocale, ICU4XDataProvider, ICU4XFixedDecimalFormatter, ICU4XFixedDecimalFormatterOptions } from "demo";
 
 test("multiply a fixed decimal by 0.1", t => {
     const my_decimal = ICU4XFixedDecimal.new(123);