.gitattributes

@@ -1,4 +1 @@
-/.yarn/**            linguist-vendored
-/.yarn/releases/*    binary
-/.yarn/plugins/**/*  binary
 * text=auto eol=lf

.gitignore

@@ -1,11 +1,3 @@
-.yarn/*
-!.yarn/patches
-!.yarn/plugins
-!.yarn/releases
-!.yarn/sdks
-!.yarn/versions
-
-node_modules
 .env
 dist
 coverage

.hooks/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/hook.sh"
+
+deno task check

.husky/pre-commit

@@ -1,9 +0,0 @@
-# .husky/pre-commit
-yarn lint-staged
-
-branch="$(git rev-parse --abbrev-ref HEAD)"
-
-if [ "$branch" = "main" ]; then
-  echo "You can't commit directly to main branch"
-  exit 1
-fi

.lintstagedrc.json

@@ -1,4 +0,0 @@
-{
-  "*": ["yarn prettier -u --write"],
-  "*.ts": ["yarn eslint --fix"]
-}

.prettierignore

@@ -1,4 +0,0 @@
-dist
-coverage
-.yarn/**/*
-yarn.lock

.prettierrc

@@ -1,3 +0,0 @@
-{
-  "tabWidth": 2
-}

.vscode/extensions.json

@@ -2,13 +2,11 @@
   "recommendations": [
     "bierner.github-markdown-preview",
     "bradlc.vscode-tailwindcss",
-    "dbaeumer.vscode-eslint",
-    "esbenp.prettier-vscode",
     "streetsidesoftware.code-spell-checker",
     "streetsidesoftware.code-spell-checker-spanish",
     "usernamehw.errorlens",
     "bourhaouta.tailwindshades",
     "austenc.tailwind-docs",
-    "vitest.explorer"
+    "denoland.vscode-deno"
   ]
 }

.vscode/settings.json

@@ -17,5 +17,8 @@
   },
   "typescript.preferences.importModuleSpecifierEnding": "js",
   "cSpell.words": ["autodocs", "Syntropy"],
-  "typescript.preferences.autoImportFileExcludePatterns": ["**/chai/**"]
+  "typescript.preferences.autoImportFileExcludePatterns": ["**/chai/**"],
+  "[typescript]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  }
 }

.yarnrc.yml

@@ -1,3 +0,0 @@
-nodeLinker: node-modules
-
-yarnPath: .yarn/releases/yarn-4.5.0.cjs

deno.jsonc

@@ -0,0 +1,37 @@
+{
+  "tasks": {
+    "test": "deno test --allow-all --unstable-ffi",
+    "test:dev": "deno test --allow-all --unstable-ffi --watch",
+    "check": "deno fmt && deno lint --fix && deno check **/*.ts && deno task test",
+    "hook": "deno run --allow-read --allow-run --allow-write https://deno.land/x/deno_hooks@0.1.1/mod.ts"
+  },
+  "workspace": [
+    "packages/fabric/core",
+    "packages/fabric/domain",
+    "packages/fabric/sqlite-store",
+    "packages/fabric/testing",
+    "packages/templates/domain",
+    "packages/templates/lib"
+  ],
+  "imports": {
+    "@db/sqlite": "jsr:@db/sqlite@^0.12.0",
+    "@quentinadam/decimal": "jsr:@quentinadam/decimal@^0.1.6",
+    "@std/expect": "jsr:@std/expect@^1.0.5",
+    "@std/testing": "jsr:@std/testing@^1.0.3",
+    "expect-type": "npm:expect-type@^1.1.0"
+  },
+  "compilerOptions": {
+    "strict": true,
+    "exactOptionalPropertyTypes": true,
+    "useUnknownInCatchVariables": true,
+    "noImplicitOverride": true,
+    "noUncheckedIndexedAccess": true
+  },
+  "lint": {
+    "include": ["src/"],
+    "rules": {
+      "tags": ["recommended"],
+      "exclude": ["no-namespace"]
+    }
+  }
+}

deno.lock

@@ -0,0 +1,138 @@
+{
+  "version": "4",
+  "specifiers": {
+    "jsr:@db/sqlite@*": "0.12.0",
+    "jsr:@db/sqlite@0.12": "0.12.0",
+    "jsr:@denosaurs/plug@1": "1.0.6",
+    "jsr:@quentinadam/assert@~0.1.7": "0.1.7",
+    "jsr:@quentinadam/decimal@*": "0.1.6",
+    "jsr:@quentinadam/decimal@~0.1.6": "0.1.6",
+    "jsr:@std/assert@0.217": "0.217.0",
+    "jsr:@std/assert@0.221": "0.221.0",
+    "jsr:@std/assert@^1.0.6": "1.0.6",
+    "jsr:@std/data-structures@^1.0.4": "1.0.4",
+    "jsr:@std/encoding@0.221": "0.221.0",
+    "jsr:@std/expect@*": "1.0.5",
+    "jsr:@std/expect@^1.0.5": "1.0.5",
+    "jsr:@std/fmt@0.221": "0.221.0",
+    "jsr:@std/fs@0.221": "0.221.0",
+    "jsr:@std/fs@^1.0.4": "1.0.4",
+    "jsr:@std/internal@^1.0.4": "1.0.4",
+    "jsr:@std/path@0.217": "0.217.0",
+    "jsr:@std/path@0.221": "0.221.0",
+    "jsr:@std/path@^1.0.6": "1.0.6",
+    "jsr:@std/testing@^1.0.3": "1.0.3",
+    "npm:expect-type@*": "1.1.0",
+    "npm:expect-type@^1.1.0": "1.1.0"
+  },
+  "jsr": {
+    "@db/sqlite@0.12.0": {
+      "integrity": "dd1ef7f621ad50fc1e073a1c3609c4470bd51edc0994139c5bf9851de7a6d85f",
+      "dependencies": [
+        "jsr:@denosaurs/plug",
+        "jsr:@std/path@0.217"
+      ]
+    },
+    "@denosaurs/plug@1.0.6": {
+      "integrity": "6cf5b9daba7799837b9ffbe89f3450510f588fafef8115ddab1ff0be9cb7c1a7",
+      "dependencies": [
+        "jsr:@std/encoding",
+        "jsr:@std/fmt",
+        "jsr:@std/fs@0.221",
+        "jsr:@std/path@0.221"
+      ]
+    },
+    "@quentinadam/assert@0.1.7": {
+      "integrity": "0246fb7fd3aa7b286535db40feefdafc588272d3f287b4eb995c96263ab6dfca"
+    },
+    "@quentinadam/decimal@0.1.6": {
+      "integrity": "fd3e2684614355db8a6ef94a839cbe115f040e8dcc843a17a0c5afa23e3db408",
+      "dependencies": [
+        "jsr:@quentinadam/assert"
+      ]
+    },
+    "@std/assert@0.217.0": {
+      "integrity": "c98e279362ca6982d5285c3b89517b757c1e3477ee9f14eb2fdf80a45aaa9642"
+    },
+    "@std/assert@0.221.0": {
+      "integrity": "a5f1aa6e7909dbea271754fd4ab3f4e687aeff4873b4cef9a320af813adb489a"
+    },
+    "@std/assert@1.0.6": {
+      "integrity": "1904c05806a25d94fe791d6d883b685c9e2dcd60e4f9fc30f4fc5cf010c72207",
+      "dependencies": [
+        "jsr:@std/internal"
+      ]
+    },
+    "@std/data-structures@1.0.4": {
+      "integrity": "fa0e20c11eb9ba673417450915c750a0001405a784e2a4e0c3725031681684a0"
+    },
+    "@std/encoding@0.221.0": {
+      "integrity": "d1dd76ef0dc5d14088411e6dc1dede53bf8308c95d1537df1214c97137208e45"
+    },
+    "@std/expect@1.0.5": {
+      "integrity": "8c7ac797e2ffe57becc6399c0f2fd06230cb9ef124d45229c6e592c563824af1",
+      "dependencies": [
+        "jsr:@std/assert@^1.0.6",
+        "jsr:@std/internal"
+      ]
+    },
+    "@std/fmt@0.221.0": {
+      "integrity": "379fed69bdd9731110f26b9085aeb740606b20428ce6af31ef6bd45ef8efa62a"
+    },
+    "@std/fs@0.221.0": {
+      "integrity": "028044450299de8ed5a716ade4e6d524399f035513b85913794f4e81f07da286",
+      "dependencies": [
+        "jsr:@std/assert@0.221",
+        "jsr:@std/path@0.221"
+      ]
+    },
+    "@std/fs@1.0.4": {
+      "integrity": "2907d32d8d1d9e540588fd5fe0ec21ee638134bd51df327ad4e443aaef07123c",
+      "dependencies": [
+        "jsr:@std/path@^1.0.6"
+      ]
+    },
+    "@std/internal@1.0.4": {
+      "integrity": "62e8e4911527e5e4f307741a795c0b0a9e6958d0b3790716ae71ce085f755422"
+    },
+    "@std/path@0.217.0": {
+      "integrity": "1217cc25534bca9a2f672d7fe7c6f356e4027df400c0e85c0ef3e4343bc67d11",
+      "dependencies": [
+        "jsr:@std/assert@0.217"
+      ]
+    },
+    "@std/path@0.221.0": {
+      "integrity": "0a36f6b17314ef653a3a1649740cc8db51b25a133ecfe838f20b79a56ebe0095",
+      "dependencies": [
+        "jsr:@std/assert@0.221"
+      ]
+    },
+    "@std/path@1.0.6": {
+      "integrity": "ab2c55f902b380cf28e0eec501b4906e4c1960d13f00e11cfbcd21de15f18fed"
+    },
+    "@std/testing@1.0.3": {
+      "integrity": "f98c2bee53860a5916727d7e7d3abe920dd6f9edace022e2d059f00d05c2cf42",
+      "dependencies": [
+        "jsr:@std/assert@^1.0.6",
+        "jsr:@std/data-structures",
+        "jsr:@std/fs@^1.0.4",
+        "jsr:@std/internal",
+        "jsr:@std/path@^1.0.6"
+      ]
+    }
+  },
+  "npm": {
+    "expect-type@1.1.0": {
+      "integrity": "sha512-bFi65yM+xZgk+u/KRIpekdSYkTB5W1pEf0Lt8Q8Msh7b+eQ7LXVtIB1Bkm4fvclDEL1b2CZkMhv2mOeF8tMdkA=="
+    }
+  },
+  "workspace": {
+    "dependencies": [
+      "jsr:@db/sqlite@0.12",
+      "jsr:@quentinadam/decimal@~0.1.6",
+      "jsr:@std/expect@^1.0.5",
+      "jsr:@std/testing@^1.0.3",
+      "npm:expect-type@^1.1.0"
+    ]
+  }
+}

eslint.config.js

@@ -1,15 +0,0 @@
-// @ts-check
-
-import eslint from "@eslint/js";
-import tseslint from "typescript-eslint";
-
-export default tseslint.config(
-  eslint.configs.recommended,
-  ...tseslint.configs.strict,
-  ...tseslint.configs.stylistic,
-  {
-    rules: {
-      "@typescript-eslint/no-namespace": "off",
-    },
-  },
-);

package.json

@@ -1,33 +0,0 @@
-{
-  "name": "ulthar-framework",
-  "packageManager": "yarn@4.5.0",
-  "version": "1.0.0",
-  "private": true,
-  "type": "module",
-  "workspaces": [
-    "packages/**/*",
-    "apps/**/*"
-  ],
-  "devDependencies": {
-    "@eslint/js": "^9.12.0",
-    "@types/eslint": "^9.6.1",
-    "@types/eslint__js": "^8.42.3",
-    "cross-env": "^7.0.3",
-    "eslint": "^9.12.0",
-    "husky": "^9.1.6",
-    "lint-staged": "^15.2.10",
-    "prettier": "^3.3.3",
-    "tsx": "^4.19.1",
-    "typescript": "^5.6.3",
-    "typescript-eslint": "^8.8.1",
-    "zx": "^8.1.9"
-  },
-  "scripts": {
-    "lint": "eslint . --fix --report-unused-disable-directives",
-    "format": "prettier --write .",
-    "test": "yarn workspaces foreach -vvpA run test --run --clearScreen false",
-    "build": "yarn workspaces foreach -vvpA --topological run build",
-    "add-package": "tsx ./scripts/add-package.ts",
-    "postinstall": "husky"
-  }
-}

packages/fabric/core/array/array-element.test.ts

@@ -1,10 +1,8 @@
-import { describe, expectTypeOf, test } from "vitest";
+import { describe, expectTypeOf, test } from "@fabric/testing";
+import type { ArrayElement } from "./array-element.ts";
 
-describe("ArrayElement utils", () => {
+describe("ArrayElement", () => {
   test("Given an array, it should return the element type of the array", () => {
-    type ArrayElement<T extends readonly unknown[]> =
-      T extends readonly (infer U)[] ? U : never;
-
     type result = ArrayElement<["a", "b", "c"]>;
 
     expectTypeOf<result>().toEqualTypeOf<"a" | "b" | "c">();

packages/fabric/core/array/array-element.ts

@@ -0,0 +1,17 @@
+/**
+ * Get the element type of an array.
+ */
+export type ArrayElement<T extends readonly unknown[]> = T extends
+  readonly (infer U)[] ? U : never;
+
+/**
+ * Get the first element type of a tuple.
+ */
+export type TupleFirstElement<T extends readonly unknown[]> = T extends
+  readonly [infer U, ...unknown[]] ? U : never;
+
+/**
+ * Get the LAST element type of a tuple.
+ */
+export type TupleLastElement<T extends readonly unknown[]> = T extends
+  readonly [...unknown[], infer U] ? U : never;

packages/fabric/core/array/index.ts

@@ -0,0 +1 @@
+export * from "./array-element.ts";

packages/fabric/core/deno.jsonc

@@ -0,0 +1,6 @@
+{
+  "name": "@fabric/core",
+  "exports": {
+    ".": "./index.ts"
+  }
+}

packages/fabric/core/error/index.ts

@@ -0,0 +1,3 @@
+export * from "./is-error.ts";
+export * from "./tagged-error.ts";
+export * from "./unexpected-error.ts";

packages/fabric/core/error/is-error.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, expectTypeOf, test } from "@fabric/testing";
+import { isError } from "./is-error.ts";
+import { UnexpectedError } from "./unexpected-error.ts";
+
+describe("is-error", () => {
+  test("Given a value that is an error, it should return true", () => {
+    const error = new UnexpectedError();
+
+    expect(isError(error)).toBe(true);
+
+    //After a check, typescript should be able to infer the type
+    if (isError(error)) {
+      expectTypeOf(error).toEqualTypeOf<UnexpectedError>();
+    }
+  });
+});

packages/fabric/core/error/is-error.ts

@@ -1,4 +1,4 @@
-import { TaggedError } from "./tagged-error.js";
+import { TaggedError } from "./tagged-error.ts";
 
 /**
  * Indicates if a value is an error.

packages/fabric/core/error/tagged-error.ts

@@ -1,12 +1,10 @@
-import { TaggedVariant, VariantTag } from "../variant/index.js";
+import { type TaggedVariant, VariantTag } from "../variant/index.ts";
 
 /**
  * A TaggedError is a tagged variant with an error message.
  */
-export abstract class TaggedError<Tag extends string = string>
+export abstract class TaggedError<Tag extends string = string> extends Error
-  extends Error
+  implements TaggedVariant<Tag> {
-  implements TaggedVariant<Tag>
-{
   readonly [VariantTag]: Tag;
 
   constructor(tag: Tag, message?: string) {

packages/fabric/core/error/unexpected-error.ts

@@ -1,4 +1,4 @@
-import { TaggedError } from "./tagged-error.js";
+import { TaggedError } from "./tagged-error.ts";
 
 /**
  * `UnexpectedError` represents any type of unexpected error.

packages/fabric/core/index.ts

@@ -0,0 +1,9 @@
+export * from "./array/index.ts";
+export * from "./error/index.ts";
+export * from "./record/index.ts";
+export * from "./result/index.ts";
+export * from "./run/index.ts";
+export * from "./time/index.ts";
+export * from "./types/index.ts";
+export * from "./utils/index.ts";
+export * from "./variant/index.ts";

packages/fabric/core/package.json

@@ -1,25 +0,0 @@
-{
-  "name": "@fabric/core",
-  "private": true,
-  "sideEffects": false,
-  "type": "module",
-  "main": "./dist/index.js",
-  "types": "./dist/index.d.ts",
-  "exports": {
-    ".": "./dist/index.js"
-  },
-  "files": [
-    "dist"
-  ],
-  "packageManager": "yarn@4.1.1",
-  "devDependencies": {
-    "@vitest/coverage-v8": "^2.1.2",
-    "typescript": "^5.6.3",
-    "vitest": "^2.1.2"
-  },
-  "scripts": {
-    "test": "vitest",
-    "coverage": "vitest run --coverage",
-    "build": "tsc -p tsconfig.build.json"
-  }
-}

packages/fabric/core/record/index.ts

@@ -0,0 +1,2 @@
+export * from "./is-record-empty.ts";
+export * from "./is-record.ts";

packages/fabric/core/record/is-record-empty.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, test } from "@fabric/testing";
+import { isRecordEmpty } from "./is-record-empty.ts";
+
+describe("Record - Is Record Empty", () => {
+  test("Given an empty record, it should return true", () => {
+    const result = isRecordEmpty({});
+    expect(result).toBe(true);
+  });
+
+  test("Given a record with a single key, it should return false", () => {
+    const result = isRecordEmpty({ key: "value" });
+    expect(result).toBe(false);
+  });
+
+  test("Given a record with multiple keys, it should return false", () => {
+    const result = isRecordEmpty({ key1: "value1", key2: "value2" });
+    expect(result).toBe(false);
+  });
+});

packages/fabric/core/record/is-record.test.ts

@@ -1,23 +1,23 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, test } from "@fabric/testing";
-import { isRecord } from "./is-record.js";
+import { isRecord } from "./is-record.ts";
 
 describe("isRecord", () => {
-  it("should return true for an object", () => {
+  test("Given an empty object, it should return true", () => {
     const obj = { name: "John", age: 30 };
     expect(isRecord(obj)).toBe(true);
   });
 
-  it("should return false for an array", () => {
+  test("Given an array, it should return false", () => {
     const arr = [1, 2, 3];
     expect(isRecord(arr)).toBe(false);
   });
 
-  it("should return false for null", () => {
+  test("Given a number, it should return false", () => {
     const value = null;
     expect(isRecord(value)).toBe(false);
   });
 
-  it("should return false for a string", () => {
+  test("Given a string, it should return false", () => {
     const value = "Hello";
     expect(isRecord(value)).toBe(false);
   });

packages/fabric/core/result/async-result.ts

@@ -1,8 +1,8 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
+// deno-lint-ignore-file no-namespace no-explicit-any
-import { TaggedError } from "../error/tagged-error.js";
+import type { TaggedError } from "../error/tagged-error.ts";
-import { UnexpectedError } from "../error/unexpected-error.js";
+import { UnexpectedError } from "../error/unexpected-error.ts";
-import { MaybePromise } from "../types/maybe-promise.js";
+import type { MaybePromise } from "../types/maybe-promise.ts";
-import { Result } from "./result.js";
+import { Result } from "./result.ts";
 
 /**
  * An AsyncResult represents the result of an asynchronous operation that can
@@ -25,9 +25,7 @@ export namespace AsyncResult {
     }
   }
 
-  export async function from<T>(
+  export function from<T>(fn: () => MaybePromise<T>): AsyncResult<T, never> {
-    fn: () => MaybePromise<T>,
-  ): AsyncResult<T, never> {
     return tryFrom(fn, (error) => new UnexpectedError(error) as never);
   }
 }

packages/fabric/core/result/index.ts

@@ -0,0 +1,2 @@
+export * from "./async-result.ts";
+export * from "./result.ts";

packages/fabric/core/result/result.test.ts

@@ -1,10 +1,10 @@
-import { describe, expect, expectTypeOf, it, vitest } from "vitest";
+import { describe, expect, expectTypeOf, fn, test } from "@fabric/testing";
-import { UnexpectedError } from "../error/unexpected-error.js";
+import { UnexpectedError } from "../error/unexpected-error.ts";
-import { Result } from "./result.js";
+import { Result } from "./result.ts";
 
 describe("Result", () => {
   describe("isOk", () => {
-    it("should return true if the result is ok", () => {
+    test("should return true if the result is ok", () => {
       const result = Result.succeedWith(1) as Result<number, UnexpectedError>;
 
       expect(result.isOk()).toBe(true);
@@ -18,7 +18,7 @@ describe("Result", () => {
   });
 
   describe("isError", () => {
-    it("should return true if the result is an error", () => {
+    test("should return true if the result is an error", () => {
       const result = Result.failWith(new UnexpectedError()) as Result<
         number,
         UnexpectedError
@@ -35,7 +35,7 @@ describe("Result", () => {
   });
 
   describe("Map", () => {
-    it("should return the result of the last function", () => {
+    test("should return the result of the last function", () => {
       const x = 0;
 
       const result = Result.succeedWith(x + 1).map((x) => x * 2);
@@ -45,13 +45,13 @@ describe("Result", () => {
       expectTypeOf(result).toEqualTypeOf<Result<number, never>>();
     });
 
-    it("should not execute the function if the result is an error", () => {
+    test("should not execute the function if the result is an error", () => {
-      const fn = vitest.fn();
+      const mock = fn() as () => number;
-      const result = Result.failWith(new UnexpectedError()).map(fn);
+      const result = Result.failWith(new UnexpectedError()).map(mock);
 
       expect(result.isError()).toBe(true);
 
-      expect(fn).not.toHaveBeenCalled();
+      expect(mock).not.toHaveBeenCalled();
     });
   });
 });

packages/fabric/core/result/result.ts

@@ -1,7 +1,7 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
+// deno-lint-ignore-file no-explicit-any
 
-import { isError } from "../error/is-error.js";
+import { isError } from "../error/is-error.ts";
-import { TaggedError } from "../error/tagged-error.js";
+import type { TaggedError } from "../error/tagged-error.ts";
 
 /**
  * A Result represents the outcome of an operation

packages/fabric/core/run/index.ts

@@ -0,0 +1 @@
+export * from "./run.ts";

packages/fabric/core/run/run.test.ts

@@ -1,11 +1,12 @@
-import { describe, expect, it } from "vitest";
+// deno-lint-ignore-file require-await
-import { UnexpectedError } from "../error/unexpected-error.js";
+import { describe, expect, test } from "@fabric/testing";
-import { Result } from "../result/result.js";
+import { UnexpectedError } from "../error/unexpected-error.ts";
-import { Run } from "./run.js";
+import { Result } from "../result/result.ts";
+import { Run } from "./run.ts";
 
 describe("Run", () => {
   describe("In Sequence", () => {
-    it("should pipe the results of multiple async functions", async () => {
+    test("should pipe the results of multiple async functions", async () => {
       const result = await Run.seq(
         async () => Result.succeedWith(1),
         async (x) => Result.succeedWith(x + 1),
@@ -15,7 +16,7 @@ describe("Run", () => {
       expect(result.unwrapOrThrow()).toEqual(4);
     });
 
-    it("should return the first error if one of the functions fails", async () => {
+    test("should return the first error if one of the functions fails", async () => {
       const result = await Run.seq(
         async () => Result.succeedWith(1),
         async () => Result.failWith(new UnexpectedError()),

packages/fabric/core/run/run.ts

@@ -1,21 +1,26 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
+// deno-lint-ignore-file no-namespace no-explicit-any
-import { TaggedError } from "../error/tagged-error.js";
+import type { TaggedError } from "../error/tagged-error.ts";
-import { AsyncResult } from "../result/async-result.js";
+import type { AsyncResult } from "../result/async-result.ts";
 
 export namespace Run {
   // prettier-ignore
   export async function seq<
-    T1, TE1 extends TaggedError,
+    T1,
-    T2, TE2 extends TaggedError,
+    TE1 extends TaggedError,
+    T2,
+    TE2 extends TaggedError,
   >(
     fn1: () => AsyncResult<T1, TE1>,
     fn2: (value: T1) => AsyncResult<T2, TE2>,
   ): AsyncResult<T2, TE1 | TE2>;
   // prettier-ignore
   export async function seq<
-    T1, TE1 extends TaggedError,
+    T1,
-    T2, TE2 extends TaggedError,
+    TE1 extends TaggedError,
-    T3, TE3 extends TaggedError,
+    T2,
+    TE2 extends TaggedError,
+    T3,
+    TE3 extends TaggedError,
   >(
     fn1: () => AsyncResult<T1, TE1>,
     fn2: (value: T1) => AsyncResult<T2, TE2>,
@@ -23,10 +28,14 @@ export namespace Run {
   ): AsyncResult<T3, TE1 | TE2 | TE3>;
   // prettier-ignore
   export async function seq<
-    T1, TE1 extends TaggedError,
+    T1,
-    T2, TE2 extends TaggedError,
+    TE1 extends TaggedError,
-    T3, TE3 extends TaggedError,
+    T2,
-    T4, TE4 extends TaggedError,
+    TE2 extends TaggedError,
+    T3,
+    TE3 extends TaggedError,
+    T4,
+    TE4 extends TaggedError,
   >(
     fn1: () => AsyncResult<T1, TE1>,
     fn2: (value: T1) => AsyncResult<T2, TE2>,
@@ -36,14 +45,14 @@ export namespace Run {
   export async function seq(
     ...fns: ((...args: any[]) => AsyncResult<any, any>)[]
   ): AsyncResult<any, any> {
-    let result = await fns[0]();
+    let result = await fns[0]!();
 
     for (let i = 1; i < fns.length; i++) {
       if (result.isError()) {
         return result;
       }
 
-      result = await fns[i](result.unwrapOrThrow());
+      result = await fns[i]!(result.unwrapOrThrow());
     }
 
     return result;
@@ -51,17 +60,22 @@ export namespace Run {
 
   // prettier-ignore
   export async function seqUNSAFE<
-    T1, TE1 extends TaggedError,
+    T1,
-    T2, TE2 extends TaggedError,
+    TE1 extends TaggedError,
+    T2,
+    TE2 extends TaggedError,
   >(
     fn1: () => AsyncResult<T1, TE1>,
     fn2: (value: T1) => AsyncResult<T2, TE2>,
   ): Promise<T2>;
   // prettier-ignore
   export async function seqUNSAFE<
-    T1,TE1 extends TaggedError,
+    T1,
-    T2,TE2 extends TaggedError,
+    TE1 extends TaggedError,
-    T3,TE3 extends TaggedError,
+    T2,
+    TE2 extends TaggedError,
+    T3,
+    TE3 extends TaggedError,
   >(
     fn1: () => AsyncResult<T1, TE1>,
     fn2: (value: T1) => AsyncResult<T2, TE2>,

packages/fabric/core/src/array/array-element.ts

@@ -1,17 +0,0 @@
-/**
- * Get the element type of an array.
- */
-export type ArrayElement<T extends readonly unknown[]> =
-  T extends readonly (infer U)[] ? U : never;
-
-/**
- * Get the first element type of a tuple.
- */
-export type TupleFirstElement<T extends readonly unknown[]> =
-  T extends readonly [infer U, ...unknown[]] ? U : never;
-
-/**
- * Get the LAST element type of a tuple.
- */
-export type TupleLastElement<T extends readonly unknown[]> =
-  T extends readonly [...unknown[], infer U] ? U : never;

packages/fabric/core/src/array/index.ts

@@ -1 +0,0 @@
-export * from "./array-element.js";

packages/fabric/core/src/error/index.ts

@@ -1,3 +0,0 @@
-export * from "./is-error.js";
-export * from "./tagged-error.js";
-export * from "./unexpected-error.js";

packages/fabric/core/src/error/is-error.spec.ts

@@ -1,23 +0,0 @@
-import { describe, expect, expectTypeOf, it } from "vitest";
-import { Result } from "../result/result.js";
-import { isError } from "./is-error.js";
-import { TaggedError } from "./tagged-error.js";
-
-describe("is-error", () => {
-  it("should determine if a value is an error", () => {
-    type DemoResult = Result<number, TaggedError<"DemoError">>;
-
-    //Ok should not be an error
-    const ok: DemoResult = 42;
-    expect(isError(ok)).toBe(false);
-
-    //Error should be an error
-    const error: DemoResult = new TaggedError("DemoError");
-    expect(isError(error)).toBe(true);
-
-    //After a check, typescript should be able to infer the type
-    if (isError(error)) {
-      expectTypeOf(error).toEqualTypeOf<TaggedError<"DemoError">>();
-    }
-  });
-});

packages/fabric/core/src/index.ts

@@ -1,9 +0,0 @@
-export * from "./array/index.js";
-export * from "./error/index.js";
-export * from "./record/index.js";
-export * from "./result/index.js";
-export * from "./run/index.js";
-export * from "./time/index.js";
-export * from "./types/index.js";
-export * from "./utils/index.js";
-export * from "./variant/index.js";

packages/fabric/core/src/record/index.ts

@@ -1,2 +0,0 @@
-export * from "./is-record-empty.js";
-export * from "./is-record.js";

packages/fabric/core/src/record/is-record-empty.spec.ts

@@ -1,19 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { isRecordEmpty } from "./is-record-empty.js";
-
-describe("Record - Is Record Empty", () => {
-  it("should return true for an empty record", () => {
-    const result = isRecordEmpty({});
-    expect(result).toBe(true);
-  });
-
-  it("should return false for a non-empty record", () => {
-    const result = isRecordEmpty({ key: "value" });
-    expect(result).toBe(false);
-  });
-
-  it("should return false for a record with multiple keys", () => {
-    const result = isRecordEmpty({ key1: "value1", key2: "value2" });
-    expect(result).toBe(false);
-  });
-});

packages/fabric/core/src/result/index.ts

@@ -1,2 +0,0 @@
-export * from "./async-result.js";
-export * from "./result.js";

packages/fabric/core/src/run/index.ts

@@ -1 +0,0 @@
-export * from "./run.js";

packages/fabric/core/src/time/index.ts

@@ -1,3 +0,0 @@
-export * from "./posix-date.js";
-export * from "./time-constants.js";
-export * from "./timeout.js";

packages/fabric/core/src/time/timeout.spec.ts

@@ -1,44 +0,0 @@
-import { describe, expect, test } from "vitest";
-import { timeout } from "./timeout.js";
-
-const HEAVY_TESTS =
-  process.env.HEAVY_TESTS === "true" || process.env.RUN_ALL_TESTS === "true";
-
-describe("timeout", () => {
-  test.runIf(HEAVY_TESTS)(
-    "timeout never triggers *before* the input time",
-    async () => {
-      const count = 10000;
-      const maxTimeInMs = 1000;
-
-      const result = await Promise.all(
-        new Array(count).fill(0).map(async (e, i) => {
-          const start = Date.now();
-          const ms = i % maxTimeInMs;
-          await timeout(ms);
-          const end = Date.now();
-          return end - start;
-        }),
-      );
-      expect(
-        result
-          .map((t, i) => {
-            return [t, i % maxTimeInMs]; //Actual time and expected time
-          })
-          .filter((e) => {
-            return e[0] < e[1]; //Actual time is less than the expected time
-          }),
-      ).toEqual([]);
-    },
-  );
-
-  test("using timeout we can define a timeout in milliseconds", async () => {
-    const start = Date.now();
-    await timeout(100);
-    const end = Date.now();
-
-    const time = end - start;
-
-    expect(time).toBeGreaterThanOrEqual(100);
-  });
-});

packages/fabric/core/src/time/timeout.ts

@@ -1,14 +0,0 @@
-export function timeout(ms: number) {
-  return new Promise<void>((resolve) => {
-    const start = Date.now();
-    setTimeout(() => {
-      const end = Date.now();
-      const remaining = ms - (end - start);
-      if (remaining > 0) {
-        timeout(remaining).then(resolve);
-      } else {
-        resolve();
-      }
-    }, ms);
-  });
-}

packages/fabric/core/src/types/index.ts

@@ -1,6 +0,0 @@
-export * from "./enum.js";
-export * from "./fn.js";
-export * from "./keyof.js";
-export * from "./maybe-promise.js";
-export * from "./optional.js";
-export * from "./record.js";

packages/fabric/core/src/utils/ensure-value.ts

@@ -1,8 +0,0 @@
-import { UnexpectedError } from "../error/unexpected-error.js";
-
-export function ensureValue<T>(value?: T): T {
-  if (!value) {
-    throw new UnexpectedError("Value is undefined");
-  }
-  return value;
-}

packages/fabric/core/src/utils/index.ts

@@ -1 +0,0 @@
-export * from "./ensure-value.js";

packages/fabric/core/src/variant/index.ts

@@ -1,2 +0,0 @@
-export * from "./match.js";
-export * from "./variant.js";

packages/fabric/core/src/variant/match.spec.ts

@@ -1,36 +0,0 @@
-import { describe, expect, it } from "vitest";
-import { match } from "./match.js";
-import { TaggedVariant, VariantTag } from "./variant.js";
-
-interface V1 extends TaggedVariant<"V1"> {
-  a: number;
-}
-interface V2 extends TaggedVariant<"V2"> {
-  b: string;
-}
-
-type Variant = V1 | V2;
-
-describe("Pattern matching", () => {
-  it("Should match a pattern", () => {
-    const v = { [VariantTag]: "V1", a: 42 } as Variant;
-
-    const result = match(v).case({
-      V1: (v) => v.a,
-      V2: (v) => v.b,
-    });
-
-    expect(result).toBe(42);
-  });
-
-  it("Should alert that a pattern is not exhaustive", () => {
-    const v = { [VariantTag]: "V1", a: 42 } as Variant;
-
-    expect(() =>
-      // @ts-expect-error Testing non-exhaustive pattern matching
-      match(v).case({
-        V2: (v) => v.b,
-      }),
-    ).toThrowError("Non-exhaustive pattern match");
-  });
-});

packages/fabric/core/src/variant/variant.spec.ts

@@ -1,41 +0,0 @@
-import { describe, expect, expectTypeOf, it } from "vitest";
-import { TaggedVariant, Variant, VariantTag } from "./variant.js";
-
-interface SuccessVariant extends TaggedVariant<"success"> {
-  [VariantTag]: "success";
-  data: string;
-}
-
-interface ErrorVariant extends TaggedVariant<"error"> {
-  [VariantTag]: "error";
-  message: string;
-}
-
-describe("Variant", () => {
-  describe("isVariant", () => {
-    const successVariant = {
-      [VariantTag]: "success",
-      data: "Operation successful",
-    } as SuccessVariant | ErrorVariant;
-
-    const errorVariant = {
-      [VariantTag]: "error",
-      message: "Operation failed",
-    } as SuccessVariant | ErrorVariant;
-
-    it("should return true for a matching tag and correctly infer it", () => {
-      if (Variant.is(successVariant, "success")) {
-        expectTypeOf(successVariant).toEqualTypeOf<SuccessVariant>();
-      }
-
-      if (Variant.is(errorVariant, "error")) {
-        expectTypeOf(errorVariant).toEqualTypeOf<ErrorVariant>();
-      }
-    });
-
-    it("should return false for a non-matching tag", () => {
-      expect(Variant.is(successVariant, "error")).toBe(false);
-      expect(Variant.is(errorVariant, "success")).toBe(false);
-    });
-  });
-});

packages/fabric/core/time/index.ts

@@ -0,0 +1,2 @@
+export * from "./posix-date.ts";
+export * from "./time-constants.ts";

packages/fabric/core/time/posix-date.ts

@@ -1,5 +1,5 @@
-import { isRecord } from "../record/is-record.js";
+import { isRecord } from "../record/is-record.ts";
-import { TaggedVariant } from "../variant/variant.js";
+import type { TaggedVariant } from "../variant/variant.ts";
 
 export class PosixDate {
   constructor(public readonly timestamp: number = Date.now()) {}
@@ -22,8 +22,9 @@ export class PosixDate {
       "timestamp" in value &&
       value["type"] === "posix-date" &&
       typeof value["timestamp"] === "number"
-    )
+    ) {
       return true;
+    }
     return false;
   }
 }

packages/fabric/core/tsconfig.build.json

@@ -1,15 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "noEmit": false,
-    "allowImportingTsExtensions": false,
-    "outDir": "dist"
-  },
-  "exclude": [
-    "src/**/*.spec.ts",
-    "dist",
-    "node_modules",
-    "coverage",
-    "vitest.config.ts"
-  ]
-}

packages/fabric/core/tsconfig.json

@@ -1,4 +0,0 @@
-{
-  "extends": "../../../tsconfig.json",
-  "exclude": ["dist", "node_modules"]
-}

packages/fabric/core/types/fn.ts

@@ -1,7 +1,7 @@
+// deno-lint-ignore-file no-explicit-any
 /**
  * A function that takes an argument of type `T` and returns a value of type `R`.
  */
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type Fn<T = any, R = any> = (arg: T) => R;
 
 /**

packages/fabric/core/types/index.ts

@@ -0,0 +1,6 @@
+export * from "./enum.ts";
+export * from "./fn.ts";
+export * from "./keyof.ts";
+export * from "./maybe-promise.ts";
+export * from "./optional.ts";
+export * from "./record.ts";

packages/fabric/core/utils/ensure-value.ts

@@ -0,0 +1,8 @@
+import { UnexpectedError } from "../error/unexpected-error.ts";
+
+export function ensureValue<T>(value?: T): T {
+  if (!value) {
+    throw new UnexpectedError("Value is nullish.");
+  }
+  return value;
+}

packages/fabric/core/utils/index.ts

@@ -0,0 +1 @@
+export * from "./ensure-value.ts";

packages/fabric/core/variant/index.ts

@@ -0,0 +1,2 @@
+export * from "./match.ts";
+export * from "./variant.ts";

packages/fabric/core/variant/match.test.ts

@@ -0,0 +1,35 @@
+import { expect } from "jsr:@std/expect";
+import { match } from "./match.ts";
+import { type TaggedVariant, VariantTag } from "./variant.ts";
+
+interface V1 extends TaggedVariant<"V1"> {
+  a: number;
+}
+interface V2 extends TaggedVariant<"V2"> {
+  b: string;
+}
+
+type Variant = V1 | V2;
+
+const v = { [VariantTag]: "V1", a: 42 } as Variant;
+
+Deno.test("match().case() calls the correct function", () => {
+  const result = match(v).case({
+    V1: (v) => v.a,
+    V2: (v) => v.b,
+  });
+
+  expect(result).toBe(42);
+});
+
+Deno.test(
+  "match().case() throws an error for non-exhaustive pattern matching",
+  () => {
+    expect(() =>
+      // @ts-expect-error Testing non-exhaustive pattern matching
+      match(v).case({
+        V2: (v) => v.b,
+      })
+    ).toThrow("Non-exhaustive pattern match");
+  },
+);

packages/fabric/core/variant/match.ts

@@ -1,5 +1,9 @@
-import { Fn } from "../types/fn.js";
+import type { Fn } from "../types/fn.ts";
-import { TaggedVariant, VariantFromTag, VariantTag } from "./variant.js";
+import {
+  type TaggedVariant,
+  type VariantFromTag,
+  VariantTag,
+} from "./variant.ts";
 
 export type VariantMatcher<TVariant extends TaggedVariant<string>, T> = {
   [K in TVariant[VariantTag]]: Fn<VariantFromTag<TVariant, K>, T>;

packages/fabric/core/variant/variant.test.ts

@@ -0,0 +1,32 @@
+import { expect } from "jsr:@std/expect";
+import { type TaggedVariant, Variant, VariantTag } from "./variant.ts";
+
+interface SuccessVariant extends TaggedVariant<"success"> {
+  [VariantTag]: "success";
+  data: string;
+}
+
+interface ErrorVariant extends TaggedVariant<"error"> {
+  [VariantTag]: "error";
+  message: string;
+}
+
+const successVariant = {
+  [VariantTag]: "success",
+  data: "Operation successful",
+} as SuccessVariant | ErrorVariant;
+
+const errorVariant = {
+  [VariantTag]: "error",
+  message: "Operation failed",
+} as SuccessVariant | ErrorVariant;
+
+Deno.test("is() should return true for a matching tag", () => {
+  expect(Variant.is(successVariant, "success")).toBe(true);
+  expect(Variant.is(errorVariant, "error")).toBe(true);
+});
+
+Deno.test("is() should return false for a non-matching tag", () => {
+  expect(Variant.is(successVariant, "error")).toBe(false);
+  expect(Variant.is(errorVariant, "success")).toBe(false);
+});

packages/fabric/core/vitest.config.ts

@@ -1,10 +0,0 @@
-import { defineConfig } from "vitest/config";
-
-export default defineConfig({
-  test: {
-    coverage: {
-      exclude: ["dist/**", "vitest.config.ts", "**/index.ts", "**/*.spec.ts"],
-    },
-    passWithNoTests: true,
-  },
-});

packages/fabric/domain/deno.jsonc

@@ -0,0 +1,7 @@
+{
+  "name": "@fabric/domain",
+  "exports": {
+    ".": "./index.ts",
+    "./mocks": "./mocks.ts"
+  }
+}

packages/fabric/domain/errors/circular-dependency-error.ts

@@ -1,6 +1,7 @@
 import { TaggedError } from "@fabric/core";
 
-export class CircularDependencyError extends TaggedError<"CircularDependencyError"> {
+export class CircularDependencyError
+  extends TaggedError<"CircularDependencyError"> {
   context: { key: string; dep: string };
   constructor(key: string, dep: string) {
     super("CircularDependencyError");

packages/fabric/domain/errors/index.ts

@@ -0,0 +1,2 @@
+export * from "./circular-dependency-error.ts";
+export * from "./query-error.ts";

packages/fabric/domain/errors/query-error.ts

@@ -1,7 +1,7 @@
 import { TaggedError } from "@fabric/core";
 
 export class StoreQueryError extends TaggedError<"StoreQueryError"> {
-  constructor(public message: string) {
+  constructor(message: string) {
     super("StoreQueryError", message);
   }
 }

packages/fabric/domain/events/event-store.ts

@@ -1,14 +1,14 @@
-import {
+import type {
   AsyncResult,
   MaybePromise,
   PosixDate,
   VariantFromTag,
   VariantTag,
 } from "@fabric/core";
-import { StoreQueryError } from "../errors/query-error.js";
+import type { StoreQueryError } from "../errors/query-error.ts";
-import { UUID } from "../types/uuid.js";
+import type { UUID } from "../types/uuid.ts";
-import { Event } from "./event.js";
+import type { Event } from "./event.ts";
-import { StoredEvent } from "./stored-event.js";
+import type { StoredEvent } from "./stored-event.ts";
 
 export interface EventStore<TEvents extends Event> {
   /**

packages/fabric/domain/events/event.ts

@@ -1,6 +1,6 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
+// deno-lint-ignore-file no-explicit-any
-import { VariantTag } from "@fabric/core";
+import type { VariantTag } from "@fabric/core";
-import { UUID } from "../types/uuid.js";
+import type { UUID } from "../types/uuid.ts";
 
 /**
  * An event is a tagged variant with a payload and a timestamp.

packages/fabric/domain/events/index.ts

@@ -0,0 +1,3 @@
+export * from "./event-store.ts";
+export * from "./event.ts";
+export * from "./stored-event.ts";

packages/fabric/domain/events/stored-event.ts

@@ -1,5 +1,5 @@
-import { PosixDate } from "@fabric/core";
+import type { PosixDate } from "@fabric/core";
-import { Event } from "./event.js";
+import type { Event } from "./event.ts";
 
 /**
  * A stored event is an inmutable event, already stored, with it's version in the stream and timestamp.

packages/fabric/domain/files/base-file.ts

@@ -1,4 +1,4 @@
-import { MimeType } from "./mime-type.js";
+import type { MimeType } from "./mime-type.ts";
 
 /**
  * Represents a file. Its the base type for all files.

packages/fabric/domain/files/image-file.ts

@@ -1,5 +1,5 @@
-import { ImageMimeType } from "./mime-type.js";
+import type { ImageMimeType } from "./mime-type.ts";
-import { StoredFile } from "./stored-file.js";
+import type { StoredFile } from "./stored-file.ts";
 
 /**
  * Represents an image file.

packages/fabric/domain/files/in-memory-file.ts

@@ -1,5 +1,5 @@
-import { Base64String } from "../types/base-64.js";
+import type { Base64String } from "../types/base-64.ts";
-import { BaseFile } from "./base-file.js";
+import type { BaseFile } from "./base-file.ts";
 
 /**
  * Represents a file with its contents in memory.

packages/fabric/domain/files/index.ts

@@ -0,0 +1,10 @@
+export * from "./base-file.ts";
+export * from "./bytes.ts";
+export * from "./image-file.ts";
+export * from "./in-memory-file.ts";
+export * from "./invalid-file-type-error.ts";
+export * from "./is-in-memory-file.ts";
+export * from "./is-mime-type.ts";
+export * from "./media-file.ts";
+export * from "./mime-type.ts";
+export * from "./stored-file.ts";

packages/fabric/domain/files/is-in-memory-file.ts

@@ -1,5 +1,5 @@
 import { isRecord } from "@fabric/core";
-import { InMemoryFile } from "./in-memory-file.js";
+import type { InMemoryFile } from "./in-memory-file.ts";
 
 export function isInMemoryFile(value: unknown): value is InMemoryFile {
   try {

packages/fabric/domain/files/is-mime-type.test.ts

@@ -1,8 +1,8 @@
-import { describe, expect, expectTypeOf, it } from "vitest";
+import { describe, expect, expectTypeOf, test } from "@fabric/testing";
-import { isMimeType } from "./is-mime-type.js";
+import { isMimeType } from "./is-mime-type.ts";
 
 describe("isMimeType", () => {
-  it("should return true if the file type is the same as the mime type", () => {
+  test("should return true if the file type is the same as the mime type", () => {
     const fileType = "image/png" as string;
     const result = isMimeType("image/.*", fileType);
     expect(result).toBe(true);
@@ -11,7 +11,7 @@ describe("isMimeType", () => {
     }
   });
 
-  it("should return false if the file type is not the same as the mime type", () => {
+  test("should return false if the file type is not the same as the mime type", () => {
     const fileType = "image/png" as string;
     expect(isMimeType("image/jpeg", fileType)).toBe(false);
 

packages/fabric/domain/files/is-mime-type.ts

@@ -1,4 +1,4 @@
-import { MimeType } from "./mime-type.js";
+import type { MimeType } from "./mime-type.ts";
 
 /**
  * Checks if the actual file type is the same as the expected mime type.

packages/fabric/domain/files/media-file.ts

@@ -1,4 +1,4 @@
-import { StoredFile } from "./stored-file.js";
+import type { StoredFile } from "./stored-file.ts";
 
 /**
  * Represents a media file, either an image, a video or an audio file.

packages/fabric/domain/files/stored-file.ts

@@ -1,5 +1,5 @@
-import { Entity } from "../types/entity.js";
+import type { Entity } from "../types/entity.ts";
-import { BaseFile } from "./base-file.js";
+import type { BaseFile } from "./base-file.ts";
 
 /**
  * Represents a file as managed by the domain.

packages/fabric/domain/index.ts

@@ -0,0 +1,9 @@
+export * from "./errors/index.ts";
+export * from "./events/index.ts";
+export * from "./files/index.ts";
+export * from "./models/index.ts";
+export * from "./security/index.ts";
+export * from "./services/index.ts";
+export * from "./types/index.ts";
+export * from "./use-case/index.ts";
+export * from "./utils/index.ts";

packages/fabric/domain/mocks.ts

@@ -0,0 +1 @@
+export * from "./services/mocks.ts";

packages/fabric/domain/models/fields/decimal.ts

@@ -1,5 +1,5 @@
-import { TaggedVariant, VariantTag } from "@fabric/core";
+import { type TaggedVariant, VariantTag } from "@fabric/core";
-import { BaseField } from "./base-field.js";
+import type { BaseField } from "./base-field.ts";
 
 export interface DecimalFieldOptions extends BaseField {
   isUnsigned?: boolean;
@@ -8,8 +8,7 @@ export interface DecimalFieldOptions extends BaseField {
 }
 
 export interface DecimalField
-  extends TaggedVariant<"DecimalField">,
+  extends TaggedVariant<"DecimalField">, DecimalFieldOptions {}
-    DecimalFieldOptions {}
 
 export function createDecimalField<T extends DecimalFieldOptions>(
   opts: T = {} as T,