From 157e9155718e85b3e1b7deffbd3ef283a1b44697 Mon Sep 17 00:00:00 2001
From: Evert Pot <me@evertpot.com>
Date: Sat, 20 Apr 2024 21:46:41 -0400
Subject: [PATCH] Using the built-in assertion library instead of chai

---
 Makefile                     |  15 +-
 package-lock.json            | 427 -----------------------------------
 package.json                 |   4 -
 test/money-compare.ts        |  38 +++-
 test/money.ts                | 134 +++++++----
 test/util-bigint-to-fixed.ts |   7 +-
 test/util-rounding.ts        |  22 +-
 webpack.config.js            |  26 ---
 8 files changed, 144 insertions(+), 529 deletions(-)
 delete mode 100644 webpack.config.js

diff --git a/Makefile b/Makefile
index e7eb4d8..0b5cdad 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ project:=bigint-money
 export PATH:=./node_modules/.bin/:$(PATH)
 
 .PHONY: build
-build: browser/${PROJECT}.min.js
+build: tsbuild
 
 .PHONY: clean
 clean:
@@ -11,7 +11,7 @@ clean:
 
 .PHONY: test
 test: lint
-	npx tsx --test
+	npx tsx --test test/*.ts
 
 .PHONY: test-debug
 test-debug:
@@ -35,14 +35,3 @@ tsbuild:
 .PHONY: watch
 watch:
 	tsc --watch
-
-.PHONY: browserbuild
-browserbuild: tsbuild
-	# mkdir -p browser
-	# webpack \
-	#	--optimize-minimize \
-	#	-p \
-	#	--display-modules \
-	#	--sort-modules-by size
-
-browser/${PROJECT}.min.js: browserbuild
diff --git a/package-lock.json b/package-lock.json
index d6fe201..ded6698 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,14 +9,10 @@
       "version": "1.3.0",
       "license": "MIT",
       "devDependencies": {
-        "@types/chai": "^4.2.12",
-        "@types/mocha": "^10.0.6",
         "@types/node": "^20.12.7",
         "@typescript-eslint/eslint-plugin": "^7.7.0",
         "@typescript-eslint/parser": "^7.7.0",
-        "chai": "^5.1.0",
         "eslint": "^8.57.0",
-        "ts-node": "^10.2.1",
         "tsx": "^4.7.2",
         "typescript": "^5.4.5"
       }
@@ -30,28 +26,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/@cspotcode/source-map-support": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
-      "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
-      "dev": true,
-      "dependencies": {
-        "@jridgewell/trace-mapping": "0.3.9"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/@cspotcode/source-map-support/node_modules/@jridgewell/trace-mapping": {
-      "version": "0.3.9",
-      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
-      "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==",
-      "dev": true,
-      "dependencies": {
-        "@jridgewell/resolve-uri": "^3.0.3",
-        "@jridgewell/sourcemap-codec": "^1.4.10"
-      }
-    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.19.12",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.19.12.tgz",
@@ -527,21 +501,6 @@
       "integrity": "sha512-93zYdMES/c1D69yZiKDBj0V24vqNzB/koF26KPaagAfd3P/4gUlh3Dys5ogAK+Exi9QyzlD8x/08Zt7wIKcDcA==",
       "dev": true
     },
-    "node_modules/@jridgewell/resolve-uri": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
-      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
-      "dev": true,
-      "engines": {
-        "node": ">=6.0.0"
-      }
-    },
-    "node_modules/@jridgewell/sourcemap-codec": {
-      "version": "1.4.15",
-      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz",
-      "integrity": "sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==",
-      "dev": true
-    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -577,48 +536,12 @@
         "node": ">= 8"
       }
     },
-    "node_modules/@tsconfig/node10": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
-      "integrity": "sha512-DcRjDCujK/kCk/cUe8Xz8ZSpm8mS3mNNpta+jGCA6USEDfktlNvm1+IuZ9eTcDbNk41BHwpHHeW+N1lKCz4zOw==",
-      "dev": true
-    },
-    "node_modules/@tsconfig/node12": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz",
-      "integrity": "sha512-cqefuRsh12pWyGsIoBKJA9luFu3mRxCA+ORZvA4ktLSzIuCUtWVxGIuXigEwO5/ywWFMZ2QEGKWvkZG1zDMTag==",
-      "dev": true
-    },
-    "node_modules/@tsconfig/node14": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz",
-      "integrity": "sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==",
-      "dev": true
-    },
-    "node_modules/@tsconfig/node16": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz",
-      "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
-      "dev": true
-    },
-    "node_modules/@types/chai": {
-      "version": "4.3.14",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.14.tgz",
-      "integrity": "sha512-Wj71sXE4Q4AkGdG9Tvq1u/fquNz9EdG4LIJMwVVII7ashjD/8cf8fyIfJAjRr6YcsXnSE8cOGQPq1gqeR8z+3w==",
-      "dev": true
-    },
     "node_modules/@types/json-schema": {
       "version": "7.0.15",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
       "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
       "dev": true
     },
-    "node_modules/@types/mocha": {
-      "version": "10.0.6",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.6.tgz",
-      "integrity": "sha512-dJvrYWxP/UcXm36Qn36fxhUKu8A/xMRXVT2cliFF1Z7UA9liG5Psj3ezNSZw+5puH2czDXRLcXQxf8JbJt0ejg==",
-      "dev": true
-    },
     "node_modules/@types/node": {
       "version": "20.12.7",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.7.tgz",
@@ -875,15 +798,6 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
-    "node_modules/acorn-walk": {
-      "version": "8.3.2",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.2.tgz",
-      "integrity": "sha512-cjkyv4OtNCIeqhHrfS81QWXoCBPExR/J62oyEqepVw8WaQeSqpW2uhuLPh1m9eWhDuOo/jUXVTlifvesOWp/4A==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
     "node_modules/ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -924,12 +838,6 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
-    "node_modules/arg": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
-      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
-      "dev": true
-    },
     "node_modules/array-union": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
@@ -939,15 +847,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/assertion-error": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
-      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
-      "dev": true,
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -985,22 +884,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/chai": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-5.1.0.tgz",
-      "integrity": "sha512-kDZ7MZyM6Q1DhR9jy7dalKohXQ2yrlXkk59CR52aRKxJrobmlBNqnFQxX9xOX8w+4mz8SYlKJa/7D7ddltFXCw==",
-      "dev": true,
-      "dependencies": {
-        "assertion-error": "^2.0.1",
-        "check-error": "^2.0.0",
-        "deep-eql": "^5.0.1",
-        "loupe": "^3.1.0",
-        "pathval": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -1017,15 +900,6 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
-    "node_modules/check-error": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.0.0.tgz",
-      "integrity": "sha512-tjLAOBHKVxtPoHe/SA7kNOMvhCRdCJ3vETdeY0RuAc9popf+hyaSV6ZEg9hr4cpWF7jmo/JSWEnLDrnijS9Tog==",
-      "dev": true,
-      "engines": {
-        "node": ">= 16"
-      }
-    },
     "node_modules/color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -1050,12 +924,6 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
-    "node_modules/create-require": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
-      "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
-      "dev": true
-    },
     "node_modules/cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -1087,15 +955,6 @@
         }
       }
     },
-    "node_modules/deep-eql": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.1.tgz",
-      "integrity": "sha512-nwQCf6ne2gez3o1MxWifqkciwt0zhl0LO1/UwVu4uMBuPmflWM4oQ70XMqHqnBJA+nhzncaqL9HVL6KkHJ28lw==",
-      "dev": true,
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -1471,15 +1330,6 @@
         "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
       }
     },
-    "node_modules/get-func-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
-      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/get-tsconfig": {
       "version": "4.7.3",
       "resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.7.3.tgz",
@@ -1730,21 +1580,6 @@
       "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
       "dev": true
     },
-    "node_modules/loupe": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.1.0.tgz",
-      "integrity": "sha512-qKl+FrLXUhFuHUoDJG7f8P8gEMHq9NFS0c6ghXG1J0rldmZFQZoNVv/vyirE9qwCIhWZDsvEFd1sbFu3GvRQFg==",
-      "dev": true,
-      "dependencies": {
-        "get-func-name": "^2.0.1"
-      }
-    },
-    "node_modules/make-error": {
-      "version": "1.3.6",
-      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
-      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
-      "dev": true
-    },
     "node_modules/merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -1895,15 +1730,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/pathval": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
-      "integrity": "sha512-vE7JKRyES09KiunauX7nd2Q9/L7lhok4smP9RZTDeD4MVs72Dp2qNFVz39Nz5a0FVEW0BJR6C0DYrq6unoziZA==",
-      "dev": true,
-      "engines": {
-        "node": ">= 14.16"
-      }
-    },
     "node_modules/picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -2149,58 +1975,6 @@
         "typescript": ">=4.2.0"
       }
     },
-    "node_modules/ts-node": {
-      "version": "10.9.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
-      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
-      "dev": true,
-      "dependencies": {
-        "@cspotcode/source-map-support": "^0.8.0",
-        "@tsconfig/node10": "^1.0.7",
-        "@tsconfig/node12": "^1.0.7",
-        "@tsconfig/node14": "^1.0.0",
-        "@tsconfig/node16": "^1.0.2",
-        "acorn": "^8.4.1",
-        "acorn-walk": "^8.1.1",
-        "arg": "^4.1.0",
-        "create-require": "^1.1.0",
-        "diff": "^4.0.1",
-        "make-error": "^1.1.1",
-        "v8-compile-cache-lib": "^3.0.1",
-        "yn": "3.1.1"
-      },
-      "bin": {
-        "ts-node": "dist/bin.js",
-        "ts-node-cwd": "dist/bin-cwd.js",
-        "ts-node-esm": "dist/bin-esm.js",
-        "ts-node-script": "dist/bin-script.js",
-        "ts-node-transpile-only": "dist/bin-transpile.js",
-        "ts-script": "dist/bin-script-deprecated.js"
-      },
-      "peerDependencies": {
-        "@swc/core": ">=1.2.50",
-        "@swc/wasm": ">=1.2.50",
-        "@types/node": "*",
-        "typescript": ">=2.7"
-      },
-      "peerDependenciesMeta": {
-        "@swc/core": {
-          "optional": true
-        },
-        "@swc/wasm": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/ts-node/node_modules/diff": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
-      "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.3.1"
-      }
-    },
     "node_modules/tsx": {
       "version": "4.7.2",
       "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.7.2.tgz",
@@ -2272,12 +2046,6 @@
         "punycode": "^2.1.0"
       }
     },
-    "node_modules/v8-compile-cache-lib": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
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-      "dev": true
-    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -2299,15 +2067,6 @@
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       "dev": true
     },
-    "node_modules/yn": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
-      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
-      "dev": true,
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
@@ -2328,27 +2087,6 @@
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       "dev": true
     },
-    "@cspotcode/source-map-support": {
-      "version": "0.8.1",
-      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz",
-      "integrity": "sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==",
-      "dev": true,
-      "requires": {
-        "@jridgewell/trace-mapping": "0.3.9"
-      },
-      "dependencies": {
-        "@jridgewell/trace-mapping": {
-          "version": "0.3.9",
-          "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.9.tgz",
-          "integrity": "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ==",
-          "dev": true,
-          "requires": {
-            "@jridgewell/resolve-uri": "^3.0.3",
-            "@jridgewell/sourcemap-codec": "^1.4.10"
-          }
-        }
-      }
-    },
     "@esbuild/aix-ppc64": {
       "version": "0.19.12",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.19.12.tgz",
@@ -2588,18 +2326,6 @@
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       "dev": true
     },
-    "@jridgewell/resolve-uri": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
-      "integrity": "sha512-bRISgCIjP20/tbWSPWMEi54QVPRZExkuD9lJL+UIxUKtwVJA8wW1Trb1jMs1RFXo1CBTNZ/5hpC9QvmKWdopKw==",
-      "dev": true
-    },
-    "@jridgewell/sourcemap-codec": {
-      "version": "1.4.15",
-      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.15.tgz",
-      "integrity": "sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==",
-      "dev": true
-    },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2626,48 +2352,12 @@
         "fastq": "^1.6.0"
       }
     },
-    "@tsconfig/node10": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
-      "integrity": "sha512-DcRjDCujK/kCk/cUe8Xz8ZSpm8mS3mNNpta+jGCA6USEDfktlNvm1+IuZ9eTcDbNk41BHwpHHeW+N1lKCz4zOw==",
-      "dev": true
-    },
-    "@tsconfig/node12": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.11.tgz",
-      "integrity": "sha512-cqefuRsh12pWyGsIoBKJA9luFu3mRxCA+ORZvA4ktLSzIuCUtWVxGIuXigEwO5/ywWFMZ2QEGKWvkZG1zDMTag==",
-      "dev": true
-    },
-    "@tsconfig/node14": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.3.tgz",
-      "integrity": "sha512-ysT8mhdixWK6Hw3i1V2AeRqZ5WfXg1G43mqoYlM2nc6388Fq5jcXyr5mRsqViLx/GJYdoL0bfXD8nmF+Zn/Iow==",
-      "dev": true
-    },
-    "@tsconfig/node16": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.4.tgz",
-      "integrity": "sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==",
-      "dev": true
-    },
-    "@types/chai": {
-      "version": "4.3.14",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.14.tgz",
-      "integrity": "sha512-Wj71sXE4Q4AkGdG9Tvq1u/fquNz9EdG4LIJMwVVII7ashjD/8cf8fyIfJAjRr6YcsXnSE8cOGQPq1gqeR8z+3w==",
-      "dev": true
-    },
     "@types/json-schema": {
       "version": "7.0.15",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
       "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
       "dev": true
     },
-    "@types/mocha": {
-      "version": "10.0.6",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.6.tgz",
-      "integrity": "sha512-dJvrYWxP/UcXm36Qn36fxhUKu8A/xMRXVT2cliFF1Z7UA9liG5Psj3ezNSZw+5puH2czDXRLcXQxf8JbJt0ejg==",
-      "dev": true
-    },
     "@types/node": {
       "version": "20.12.7",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.7.tgz",
@@ -2823,12 +2513,6 @@
       "dev": true,
       "requires": {}
     },
-    "acorn-walk": {
-      "version": "8.3.2",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.2.tgz",
-      "integrity": "sha512-cjkyv4OtNCIeqhHrfS81QWXoCBPExR/J62oyEqepVw8WaQeSqpW2uhuLPh1m9eWhDuOo/jUXVTlifvesOWp/4A==",
-      "dev": true
-    },
     "ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@@ -2856,24 +2540,12 @@
         "color-convert": "^2.0.1"
       }
     },
-    "arg": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
-      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
-      "dev": true
-    },
     "array-union": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
       "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
       "dev": true
     },
-    "assertion-error": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
-      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
-      "dev": true
-    },
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -2905,19 +2577,6 @@
       "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
       "dev": true
     },
-    "chai": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-5.1.0.tgz",
-      "integrity": "sha512-kDZ7MZyM6Q1DhR9jy7dalKohXQ2yrlXkk59CR52aRKxJrobmlBNqnFQxX9xOX8w+4mz8SYlKJa/7D7ddltFXCw==",
-      "dev": true,
-      "requires": {
-        "assertion-error": "^2.0.1",
-        "check-error": "^2.0.0",
-        "deep-eql": "^5.0.1",
-        "loupe": "^3.1.0",
-        "pathval": "^2.0.0"
-      }
-    },
     "chalk": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
@@ -2928,12 +2587,6 @@
         "supports-color": "^7.1.0"
       }
     },
-    "check-error": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.0.0.tgz",
-      "integrity": "sha512-tjLAOBHKVxtPoHe/SA7kNOMvhCRdCJ3vETdeY0RuAc9popf+hyaSV6ZEg9hr4cpWF7jmo/JSWEnLDrnijS9Tog==",
-      "dev": true
-    },
     "color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -2955,12 +2608,6 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
-    "create-require": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
-      "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
-      "dev": true
-    },
     "cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -2981,12 +2628,6 @@
         "ms": "2.1.2"
       }
     },
-    "deep-eql": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.1.tgz",
-      "integrity": "sha512-nwQCf6ne2gez3o1MxWifqkciwt0zhl0LO1/UwVu4uMBuPmflWM4oQ70XMqHqnBJA+nhzncaqL9HVL6KkHJ28lw==",
-      "dev": true
-    },
     "deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -3275,12 +2916,6 @@
       "dev": true,
       "optional": true
     },
-    "get-func-name": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.2.tgz",
-      "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true
-    },
     "get-tsconfig": {
       "version": "4.7.3",
       "resolved": "https://registry.npmjs.org/get-tsconfig/-/get-tsconfig-4.7.3.tgz",
@@ -3471,21 +3106,6 @@
       "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==",
       "dev": true
     },
-    "loupe": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.1.0.tgz",
-      "integrity": "sha512-qKl+FrLXUhFuHUoDJG7f8P8gEMHq9NFS0c6ghXG1J0rldmZFQZoNVv/vyirE9qwCIhWZDsvEFd1sbFu3GvRQFg==",
-      "dev": true,
-      "requires": {
-        "get-func-name": "^2.0.1"
-      }
-    },
-    "make-error": {
-      "version": "1.3.6",
-      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
-      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
-      "dev": true
-    },
     "merge2": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -3597,12 +3217,6 @@
       "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
       "dev": true
     },
-    "pathval": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.0.tgz",
-      "integrity": "sha512-vE7JKRyES09KiunauX7nd2Q9/L7lhok4smP9RZTDeD4MVs72Dp2qNFVz39Nz5a0FVEW0BJR6C0DYrq6unoziZA==",
-      "dev": true
-    },
     "picomatch": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
@@ -3756,35 +3370,6 @@
       "dev": true,
       "requires": {}
     },
-    "ts-node": {
-      "version": "10.9.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
-      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
-      "dev": true,
-      "requires": {
-        "@cspotcode/source-map-support": "^0.8.0",
-        "@tsconfig/node10": "^1.0.7",
-        "@tsconfig/node12": "^1.0.7",
-        "@tsconfig/node14": "^1.0.0",
-        "@tsconfig/node16": "^1.0.2",
-        "acorn": "^8.4.1",
-        "acorn-walk": "^8.1.1",
-        "arg": "^4.1.0",
-        "create-require": "^1.1.0",
-        "diff": "^4.0.1",
-        "make-error": "^1.1.1",
-        "v8-compile-cache-lib": "^3.0.1",
-        "yn": "3.1.1"
-      },
-      "dependencies": {
-        "diff": {
-          "version": "4.0.2",
-          "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
-          "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
-          "dev": true
-        }
-      }
-    },
     "tsx": {
       "version": "4.7.2",
       "resolved": "https://registry.npmjs.org/tsx/-/tsx-4.7.2.tgz",
@@ -3832,12 +3417,6 @@
         "punycode": "^2.1.0"
       }
     },
-    "v8-compile-cache-lib": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
-      "integrity": "sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==",
-      "dev": true
-    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -3853,12 +3432,6 @@
       "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
       "dev": true
     },
-    "yn": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
-      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
-      "dev": true
-    },
     "yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
diff --git a/package.json b/package.json
index 6770798..2c31efc 100644
--- a/package.json
+++ b/package.json
@@ -26,14 +26,10 @@
   },
   "homepage": "https://github.com/evert/bigint-money#readme",
   "devDependencies": {
-    "@types/chai": "^4.2.12",
-    "@types/mocha": "^10.0.6",
     "@types/node": "^20.12.7",
     "@typescript-eslint/eslint-plugin": "^7.7.0",
     "@typescript-eslint/parser": "^7.7.0",
-    "chai": "^5.1.0",
     "eslint": "^8.57.0",
-    "ts-node": "^10.2.1",
     "tsx": "^4.7.2",
     "typescript": "^5.4.5"
   },
diff --git a/test/money-compare.ts b/test/money-compare.ts
index c8edb60..6ac6add 100644
--- a/test/money-compare.ts
+++ b/test/money-compare.ts
@@ -1,6 +1,6 @@
 import { Money, IncompatibleCurrencyError } from '../src/index.js';
-import { expect } from 'chai';
 import { describe, it } from 'node:test';
+import assert from 'node:assert';
 
 describe('Money.compare', () => {
 
@@ -31,7 +31,10 @@ describe('Money.compare', () => {
     it(`${cas[0]} ${op} ${cas[1]} === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.compare(cas[1])).to.equal(cas[2]);
+      assert.equal(
+        x.compare(cas[1]),
+        cas[2]
+      );
 
     });
 
@@ -41,7 +44,10 @@ describe('Money.compare', () => {
 
     const x = new Money(1, 'AUD');
     const y = new Money(2, 'NZD');
-    expect(() => x.compare(y)).to.throw(IncompatibleCurrencyError);
+    assert.throws(
+      () => x.compare(y),
+      IncompatibleCurrencyError
+    );
 
   });
 
@@ -64,7 +70,10 @@ describe('Money.isLesserThan', () => {
     it(`${cas[0]}.isLesserThan(${cas[1]}) === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.isLesserThan(cas[1])).to.equal(cas[2]);
+      assert.equal(
+        x.isLesserThan(cas[1]),
+        cas[2]
+      );
 
     });
 
@@ -89,7 +98,10 @@ describe('Money.isGreaterThan', () => {
     it(`${cas[0]}.isGreaterThan(${cas[1]}) === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.isGreaterThan(cas[1])).to.equal(cas[2]);
+      assert.equal(
+        x.isGreaterThan(cas[1]),
+        cas[2]
+      );
 
     });
 
@@ -114,7 +126,10 @@ describe('Money.isEqual', () => {
     it(`${cas[0]}.isEqual(${cas[1]}) === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.isEqual(cas[1])).to.equal(cas[2]);
+      assert.equal(
+        x.isEqual(cas[1]),
+        cas[2]
+      );
 
     });
 
@@ -139,7 +154,10 @@ describe('Money.isLesserThanOrEqual', () => {
     it(`${cas[0]}.isLesserThanOrEqual(${cas[1]}) === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.isLesserThanOrEqual(cas[1])).to.equal(cas[2]);
+      assert.equal(
+        x.isLesserThanOrEqual(cas[1]),
+        cas[2]
+      );
 
     });
 
@@ -164,8 +182,10 @@ describe('Money.isGreaterThanOrEqual', () => {
     it(`${cas[0]}.isGreaterThanOrEqual(${cas[1]}) === true`, () => {
 
       const x = new Money(cas[0], 'AUD');
-      expect(x.isGreaterThanOrEqual(cas[1])).to.equal(cas[2]);
-
+      assert.equal(
+        x.isGreaterThanOrEqual(cas[1]),
+        cas[2]
+      );
     });
 
   }
diff --git a/test/money.ts b/test/money.ts
index 39b78fd..ac9c4ec 100644
--- a/test/money.ts
+++ b/test/money.ts
@@ -1,37 +1,39 @@
 import { Money, UnsafeIntegerError, IncompatibleCurrencyError } from '../src/index.js';
-import { expect } from 'chai';
 import { PRECISION_I } from '../src/util';
 import { describe, it } from 'node:test';
+import assert from 'node:assert';
 
 describe('Money class', () => {
 
   it('should instantiate', () => {
 
     const m = new Money(1, 'USD');
-    expect(m).to.be.an.instanceof(Money);
-    expect(m.currency).to.equal('USD');
+    assert.ok(m instanceof Money);
+    assert.equal(m.currency, 'USD');
 
   });
 
   it('should error when instantiating with inprecise numbers', () => {
 
-    expect( () => {
-      new Money(1.1, 'yen');
-    }).to.throw(UnsafeIntegerError);
+    assert.throws(
+      () => new Money(1.1, 'yen'),
+      UnsafeIntegerError
+    );
 
   });
 
   it('should error when instantiating with bad string formats', () => {
 
-    expect( () => {
-      new Money('1,5', 'yen');
-    }).to.throw(TypeError);
+    assert.throws(
+      () => new Money('1,5', 'yen'),
+      TypeError,
+    );
 
   });
 
   describe('toFixed', () => {
 
-    const tests = [
+    const tests: [any, number, string][] = [
       [1, 3, '1.000'],
 
       ['3.5', 0, '4'],
@@ -54,8 +56,10 @@ describe('Money class', () => {
     for(const test of tests) {
       it(`should return ${test[2]} when calling toFixed on ${test[0]} with ${test[1]} precision`, () => {
 
-        const m = new Money(test[0], 'USD');
-        expect(m.toFixed(test[1] as number)).to.equal(test[2]);
+        assert.equal(
+          new Money(test[0], 'USD').toFixed(test[1]),
+          test[2]
+        );
 
       });
     }
@@ -77,7 +81,7 @@ describe('Money class', () => {
       it(`should return ${test[1]} when calling format on ${test[0]}`, () => {
 
         const m = new Money(test[0], 'USD');
-        expect(m.format()).to.equal(test[1]);
+        assert.equal(m.format(), test[1]);
 
       });
     }
@@ -91,18 +95,23 @@ describe('Money class', () => {
     it('should round to even', () => {
 
       const m = new Money('1.' + zeroes + '05', 'USD');
-      expect(m).to.be.an.instanceof(Money);
-      expect(m.currency).to.equal('USD');
-      expect(m.toFixed(PRECISION_I + 1)).to.equal('1.' + zeroes + '00');
-
+      assert.ok(m instanceof Money);
+      assert.equal(m.currency, 'USD');
+      assert.equal(
+        m.toFixed(PRECISION_I + 1),
+        '1.' + zeroes + '00'
+      );
     });
 
     it('should round to even (2)', () => {
 
       const m = new Money('1.' + zeroes + '15', 'USD');
-      expect(m).to.be.an.instanceof(Money);
-      expect(m.currency).to.equal('USD');
-      expect(m.toFixed(PRECISION_I + 1)).to.equal('1.' + zeroes + '20');
+      assert.ok(m instanceof Money);
+      assert.equal(m.currency,'USD');
+      assert.equal(
+        m.toFixed(PRECISION_I + 1),
+        '1.' + zeroes + '20'
+      );
 
     });
 
@@ -116,7 +125,10 @@ describe('Money class', () => {
       const y = new Money(2, 'USD');
       const z = y.add(x);
 
-      expect(z.toFixed(3)).to.equal('3.000');
+      assert.equal(
+        z.toFixed(3),
+        '3.000'
+      );
 
     });
 
@@ -126,7 +138,10 @@ describe('Money class', () => {
       const y = new Money(2, 'USD');
       const z = y.add(x);
 
-      expect(z.toFixed(3)).to.equal('3.000');
+      assert.equal(
+        z.toFixed(3),
+        '3.000'
+      );
 
     });
 
@@ -135,11 +150,14 @@ describe('Money class', () => {
       const x = new Money(1, 'USD');
       const y = new Money(2, 'YEN');
 
-      expect( () => y.add(x)).to.throw(IncompatibleCurrencyError);
+      assert.throws(
+        () => y.add(x),
+        IncompatibleCurrencyError
+      );
 
     });
 
-    const cases = [
+    const cases: [string|number, string|number, string][] = [
       ['0.1', '0.2', '0.30'],
       ['0.3', '-0.2', '0.10'],
       [Number.MAX_SAFE_INTEGER, Number.MAX_SAFE_INTEGER, '18014398509481982.00'],
@@ -157,7 +175,10 @@ describe('Money class', () => {
         const x = new Money(cas[0], 'USD');
         const y = new Money(cas[1], 'USD');
 
-        expect(x.add(y).toFixed(2)).to.equal(cas[2]);
+        assert.equal(
+          x.add(y).toFixed(2),
+          cas[2]
+        );
 
       });
 
@@ -173,7 +194,10 @@ describe('Money class', () => {
       const y = new Money(2, 'USD');
       const z = x.subtract(y);
 
-      expect(z.toFixed(3)).to.equal('-1.000');
+      assert.equal(
+        z.toFixed(3),
+        '-1.000'
+      );
 
     });
 
@@ -183,7 +207,10 @@ describe('Money class', () => {
       const y = new Money(2, 'USD');
       const z = y.subtract(x);
 
-      expect(z.toFixed(3)).to.equal('-1.000');
+      assert.equal(
+        z.toFixed(3),
+        '-1.000'
+      );
 
     });
 
@@ -192,7 +219,10 @@ describe('Money class', () => {
       const x = new Money(1, 'USD');
       const y = new Money(2, 'YEN');
 
-      expect( () => y.subtract(x)).to.throw(IncompatibleCurrencyError);
+      assert.throws(
+        () => y.subtract(x),
+        IncompatibleCurrencyError
+      );
 
     });
 
@@ -210,7 +240,10 @@ describe('Money class', () => {
         const x = new Money(cas[0], 'USD');
         const y = new Money(cas[1], 'USD');
 
-        expect(x.subtract(y).toFixed(2)).to.equal(cas[2]);
+        assert.equal(
+          x.subtract(y).toFixed(2),
+          cas[2]
+        );
 
       });
 
@@ -252,7 +285,10 @@ describe('Money class', () => {
       it(`${cas[0]} / ${cas[1]} = ${cas[2]}`, () => {
 
         const x = new Money(cas[0], 'ETH');
-        expect(x.divide(cas[1]).toFixed(2)).to.equal(cas[2]);
+        assert.equal(
+          x.divide(cas[1]).toFixed(2),
+          cas[2]
+        );
 
       });
 
@@ -280,7 +316,10 @@ describe('Money class', () => {
       it(`${cas[0]} * ${cas[1]} = ${cas[2]}`, () => {
 
         const x = new Money(cas[0], 'ETH');
-        expect(x.multiply(cas[1]).toFixed(2)).to.equal(cas[2]);
+        assert.equal(
+          x.multiply(cas[1]).toFixed(2),
+          cas[2]
+        );
 
       });
 
@@ -305,7 +344,7 @@ describe('Money class', () => {
       it(`${cas[0]} ** ${cas[1]} = ${cas[2]}`, () => {
 
         const x = new Money(cas[0], 'CAD');
-        expect(x.pow(cas[1]).toFixed(2)).to.equal(cas[2]);
+        assert.equal(x.pow(cas[1]).toFixed(2),cas[2]);
 
       });
 
@@ -330,7 +369,7 @@ describe('Money class', () => {
       it(`abs(${cas[0]}) = ${cas[1]}`, () => {
 
         const x = new Money(cas[0], 'ETH');
-        expect(x.abs().toFixed(2)).to.equal(cas[1]);
+        assert.equal(x.abs().toFixed(2), cas[1]);
 
       });
 
@@ -355,7 +394,7 @@ describe('Money class', () => {
       it(`sign(${cas[0]}) = ${cas[1]}`, () => {
 
         const x = new Money(cas[0], 'ETH');
-        expect(x.sign()).to.equal(cas[1]);
+        assert.equal(x.sign(), cas[1]);
 
       });
 
@@ -376,10 +415,20 @@ describe('Money class', () => {
         const x = new Money(cas[0], 'CAD');
         const result = x.allocate(cas[1], cas[2]);
 
-        expect(result.map( item => item.toFixed(cas[2]))).to.eql(cas[3]);
+        assert.deepEqual(
+          result.map(
+            item => item.toFixed(cas[2])
+          ),
+          cas[3]
+        );
 
         // Double-check. Numbers must exactly add up to the source value
-        expect(result.reduce( (acc, cur) => acc + cur.toSource(), 0n)).to.equal(x.toSource());
+        assert.deepEqual(
+          result.reduce(
+            (acc, cur) => acc + cur.toSource(), 0n
+          ),
+          x.toSource()
+        );
 
       });
 
@@ -391,7 +440,10 @@ describe('Money class', () => {
     it('should return the underlying source bigint value', () => {
 
       const m = new Money(1, 'USD');
-      expect(m.toSource()).to.equal(1n * (10n ** BigInt(PRECISION_I)));
+      assert.equal(
+        m.toSource(),
+        1n * (10n ** BigInt(PRECISION_I))
+      );
 
     });
 
@@ -402,7 +454,11 @@ describe('Money class', () => {
     it('should return a meaningful value', () => {
 
       const m = new Money(1, 'USD');
-      expect((m as any)[Symbol.for('nodejs.util.inspect.custom')]()).to.equal('1 USD');
+
+      assert.equal(
+        (m as any)[Symbol.for('nodejs.util.inspect.custom')](),
+        '1 USD'
+      );
 
     });
 
@@ -424,7 +480,7 @@ describe('Money class', () => {
 
         const m = new Money(cas[0], 'DKK');
         const result = JSON.stringify(m);
-        expect(result).to.equal(cas[1]);
+        assert.equal(result, cas[1]);
 
       });
 
diff --git a/test/util-bigint-to-fixed.ts b/test/util-bigint-to-fixed.ts
index a8cdf63..bcd0dff 100644
--- a/test/util-bigint-to-fixed.ts
+++ b/test/util-bigint-to-fixed.ts
@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { bigintToFixed, Round, PRECISION } from '../src/util.js';
 import { describe, it } from 'node:test';
+import assert from 'node:assert';
 
 describe('bigintToFixed', () => {
 
@@ -33,7 +33,10 @@ describe('bigintToFixed', () => {
     it(`bigintToFixed(${test[0]},${test[1]}) === ${test[2]}`, () => {
 
       const result = bigintToFixed(test[0] as bigint, test[1] as number, Round.BANKERS);
-      expect(result).to.equal(test[2]);
+      assert.equal(
+        result,
+        test[2]
+      );
 
     });
   }
diff --git a/test/util-rounding.ts b/test/util-rounding.ts
index a7cf7bc..dcfb66c 100644
--- a/test/util-rounding.ts
+++ b/test/util-rounding.ts
@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { divide, Round } from '../src/util.js';
 import { describe, it } from 'node:test';
+import assert from 'node:assert';
 
 describe('divide', () => {
 
@@ -23,9 +23,10 @@ describe('divide', () => {
 
       it(`${test[0]} / ${test[1]} = ${test[2]}`, () => {
 
-        expect(
+        assert.equal(
           divide(test[0], test[1], Round.HALF_TO_EVEN),
-        ).to.equal(test[2]);
+          test[2]
+        );
 
       });
 
@@ -52,9 +53,10 @@ describe('divide', () => {
 
       it(`${test[0]} / ${test[1]} = ${test[2]}`, () => {
 
-        expect(
+        assert.equal(
           divide(test[0], test[1], Round.HALF_AWAY_FROM_0),
-        ).to.equal(test[2]);
+          test[2]
+        );
 
       });
 
@@ -81,9 +83,10 @@ describe('divide', () => {
 
       it(`${test[0]} / ${test[1]} = ${test[2]}`, () => {
 
-        expect(
+        assert.equal(
           divide(test[0], test[1], Round.HALF_TOWARDS_0),
-        ).to.equal(test[2]);
+          test[2]
+        );
 
       });
 
@@ -111,9 +114,10 @@ describe('divide', () => {
 
       it(`${test[0]} / ${test[1]} = ${test[2]}`, () => {
 
-        expect(
+        assert.equal(
           divide(test[0], test[1], Round.TRUNCATE),
-        ).to.equal(test[2]);
+          test[2],
+        );
 
       });
 
diff --git a/webpack.config.js b/webpack.config.js
deleted file mode 100644
index 6e47c8d..0000000
--- a/webpack.config.js
+++ /dev/null
@@ -1,26 +0,0 @@
-module.exports = [
-  {
-    entry: './dist/index',
-    output: {
-      path: __dirname + '/browser',
-      filename: 'bigint-money.min.js',
-      library: 'money'
-    },
-
-    resolve: {
-      extensions: ['.web.ts', '.web.js', '.ts', '.js', '.json']
-    },
-
-    devtool: 'source-map',
-
-    module: {
-      rules: [
-        {
-          test: /\.tsx?$/,
-          loader: 'awesome-typescript-loader'
-        }
-      ]
-    },
-
-  }
-];