ESM upgrade

.eslintrc.json

@@ -60,7 +60,6 @@
         "args": "none"
       }],
       "@typescript-eslint/prefer-for-of": ["error"],
-      "@typescript-eslint/prefer-optional-chain": ["error"],
       "@typescript-eslint/prefer-ts-expect-error": ["error"],
       "no-console": ["error"]
   }

.github/workflows/test.yml

@@ -5,9 +5,9 @@ name: Node.js CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -16,13 +16,13 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 16.x]
+        node-version: [16.x, 18.x, 20.x, 21.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm ci

Makefile

@@ -11,7 +11,7 @@ clean:
 
 .PHONY: test
 test: lint
-	nyc mocha
+	npx tsx --test
 
 .PHONY: test-debug
 test-debug:

CHANGELOG.md → changelog.md

@@ -1,6 +1,16 @@
 Changelog
 =========
 
+2.0.0 (????-??-??)
+------------------
+
+* Full ESM conversion. If you require the commonjs version of this library,
+  stay on the 1.x version until you are ready to upgrade.
+* This library now requires Node 16.
+* Switch to built-in Node test runner and assertion library, and removed `nyc`,
+  `mocha` and `chai`.
+
+
 1.3.0 (2021-08-23)
 ------------------
 
@@ -32,8 +42,8 @@ Changelog
 ------------------
 
 * Added `abs()` function, to remove the sign from values. (@flaktack)
-* Added `sign()` function to find out if a number is postive, negative or
-  zero (@flaktack).
+* Added `sign()` function to find out if a number is postive, negative or zero
+  (@flaktack).
 
 
 0.8.2 (2019-04-03)
@@ -54,9 +64,9 @@ Changelog
 ------------------
 
 * Increased the precision to 20 digits, up from 12. Someone had a need for more
-  than 12 digits, and 20 seems like a reasonable new limit.
-  Perhaps at one point this will be configurable but picking a good default
-  seems like a sane choice right now.
+  than 12 digits, and 20 seems like a reasonable new limit. Perhaps at one
+  point this will be configurable but picking a good default seems like a sane
+  choice right now.
 
 
 0.7.1 (2019-03-19)
@@ -119,15 +129,17 @@ Changelog
 ------------------
 
 * This library now adds a `toJSON()` function that has a default serialization
-  for JSON files. Example: 1.5 USD will be JSON-stringified as `["1.5", "USD"]`.
+  for JSON files. Example: 1.5 USD will be JSON-stringified as `["1.5",
+  "USD"]`.
 * The Money class is now the default export.
 
+
 0.3.0 (2018-12-13)
 ------------------
 
 * Support for `divide()`, `multiply()`, `compare()`.
-* Added an implementation of the `allocate()` function from Fowler's
-  Enterprise Design Patterns.
+* Added an implementation of the `allocate()` function from Fowler's Enterprise
+  Design Patterns.
 * Fixed parsing string numbers without a fractional part.
 * Added `toSource()` and `fromSource()` methods to easily get access to the
   underlying bigint.
@@ -163,6 +175,6 @@ Changelog
 
 
 0.0.1 (2018-12-06)
------------------
+------------------
 
 * First started working on this.