chore(folio): switch to bun, add tsconfig.json for IDE type checking

- Remove package-lock.json, add bun.lock
- Add tsconfig.json so VSCode resolves @sanderling/spec types
- Fix parseAccount/parseLedgerRow to accept string | undefined

examples/folio/sanderling/bun.lock

@@ -0,0 +1,83 @@
+{
+  "lockfileVersion": 1,
+  "configVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "folio",
+      "devDependencies": {
+        "@sanderling/spec": "file:../../../pkg/spec",
+      },
+    },
+  },
+  "packages": {
+    "@esbuild/aix-ppc64": ["@esbuild/[email protected]", "", { "os": "aix", "cpu": "ppc64" }, "sha512-EKX3Qwmhz1eMdEJokhALr0YiD0lhQNwDqkPYyPhiSwKrh7/4KRjQc04sZ8db+5DVVnZ1LmbNDI1uAMPEUBnQPg=="],
+
+    "@esbuild/android-arm": ["@esbuild/[email protected]", "", { "os": "android", "cpu": "arm" }, "sha512-jbPXvB4Yj2yBV7HUfE2KHe4GJX51QplCN1pGbYjvsyCZbQmies29EoJbkEc+vYuU5o45AfQn37vZlyXy4YJ8RQ=="],
+
+    "@esbuild/android-arm64": ["@esbuild/[email protected]", "", { "os": "android", "cpu": "arm64" }, "sha512-62dPZHpIXzvChfvfLJow3q5dDtiNMkwiRzPylSCfriLvZeq0a1bWChrGx/BbUbPwOrsWKMn8idSllklzBy+dgQ=="],
+
+    "@esbuild/android-x64": ["@esbuild/[email protected]", "", { "os": "android", "cpu": "x64" }, "sha512-x5VpMODneVDb70PYV2VQOmIUUiBtY3D3mPBG8NxVk5CogneYhkR7MmM3yR/uMdITLrC1ml/NV1rj4bMJuy9MCg=="],
+
+    "@esbuild/darwin-arm64": ["@esbuild/[email protected]", "", { "os": "darwin", "cpu": "arm64" }, "sha512-5lckdqeuBPlKUwvoCXIgI2D9/ABmPq3Rdp7IfL70393YgaASt7tbju3Ac+ePVi3KDH6N2RqePfHnXkaDtY9fkw=="],
+
+    "@esbuild/darwin-x64": ["@esbuild/[email protected]", "", { "os": "darwin", "cpu": "x64" }, "sha512-rYnXrKcXuT7Z+WL5K980jVFdvVKhCHhUwid+dDYQpH+qu+TefcomiMAJpIiC2EM3Rjtq0sO3StMV/+3w3MyyqQ=="],
+
+    "@esbuild/freebsd-arm64": ["@esbuild/[email protected]", "", { "os": "freebsd", "cpu": "arm64" }, "sha512-B48PqeCsEgOtzME2GbNM2roU29AMTuOIN91dsMO30t+Ydis3z/3Ngoj5hhnsOSSwNzS+6JppqWsuhTp6E82l2w=="],
+
+    "@esbuild/freebsd-x64": ["@esbuild/[email protected]", "", { "os": "freebsd", "cpu": "x64" }, "sha512-jOBDK5XEjA4m5IJK3bpAQF9/Lelu/Z9ZcdhTRLf4cajlB+8VEhFFRjWgfy3M1O4rO2GQ/b2dLwCUGpiF/eATNQ=="],
+
+    "@esbuild/linux-arm": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "arm" }, "sha512-RkT/YXYBTSULo3+af8Ib0ykH8u2MBh57o7q/DAs3lTJlyVQkgQvlrPTnjIzzRPQyavxtPtfg0EopvDyIt0j1rA=="],
+
+    "@esbuild/linux-arm64": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "arm64" }, "sha512-RZPHBoxXuNnPQO9rvjh5jdkRmVizktkT7TCDkDmQ0W2SwHInKCAV95GRuvdSvA7w4VMwfCjUiPwDi0ZO6Nfe9A=="],
+
+    "@esbuild/linux-ia32": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "ia32" }, "sha512-GA48aKNkyQDbd3KtkplYWT102C5sn/EZTY4XROkxONgruHPU72l+gW+FfF8tf2cFjeHaRbWpOYa/uRBz/Xq1Pg=="],
+
+    "@esbuild/linux-loong64": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "none" }, "sha512-a4POruNM2oWsD4WKvBSEKGIiWQF8fZOAsycHOt6JBpZ+JN2n2JH9WAv56SOyu9X5IqAjqSIPTaJkqN8F7XOQ5Q=="],
+
+    "@esbuild/linux-mips64el": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "none" }, "sha512-KabT5I6StirGfIz0FMgl1I+R1H73Gp0ofL9A3nG3i/cYFJzKHhouBV5VWK1CSgKvVaG4q1RNpCTR2LuTVB3fIw=="],
+
+    "@esbuild/linux-ppc64": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "ppc64" }, "sha512-gRsL4x6wsGHGRqhtI+ifpN/vpOFTQtnbsupUF5R5YTAg+y/lKelYR1hXbnBdzDjGbMYjVJLJTd2OFmMewAgwlQ=="],
+
+    "@esbuild/linux-riscv64": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "none" }, "sha512-hL25LbxO1QOngGzu2U5xeXtxXcW+/GvMN3ejANqXkxZ/opySAZMrc+9LY/WyjAan41unrR3YrmtTsUpwT66InQ=="],
+
+    "@esbuild/linux-s390x": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "s390x" }, "sha512-2k8go8Ycu1Kb46vEelhu1vqEP+UeRVj2zY1pSuPdgvbd5ykAw82Lrro28vXUrRmzEsUV0NzCf54yARIK8r0fdw=="],
+
+    "@esbuild/linux-x64": ["@esbuild/[email protected]", "", { "os": "linux", "cpu": "x64" }, "sha512-hzznmADPt+OmsYzw1EE33ccA+HPdIqiCRq7cQeL1Jlq2gb1+OyWBkMCrYGBJ+sxVzve2ZJEVeePbLM2iEIZSxA=="],
+
+    "@esbuild/netbsd-arm64": ["@esbuild/[email protected]", "", { "os": "none", "cpu": "arm64" }, "sha512-b6pqtrQdigZBwZxAn1UpazEisvwaIDvdbMbmrly7cDTMFnw/+3lVxxCTGOrkPVnsYIosJJXAsILG9XcQS+Yu6w=="],
+
+    "@esbuild/netbsd-x64": ["@esbuild/[email protected]", "", { "os": "none", "cpu": "x64" }, "sha512-OfatkLojr6U+WN5EDYuoQhtM+1xco+/6FSzJJnuWiUw5eVcicbyK3dq5EeV/QHT1uy6GoDhGbFpprUiHUYggrw=="],
+
+    "@esbuild/openbsd-arm64": ["@esbuild/[email protected]", "", { "os": "openbsd", "cpu": "arm64" }, "sha512-AFuojMQTxAz75Fo8idVcqoQWEHIXFRbOc1TrVcFSgCZtQfSdc1RXgB3tjOn/krRHENUB4j00bfGjyl2mJrU37A=="],
+
+    "@esbuild/openbsd-x64": ["@esbuild/[email protected]", "", { "os": "openbsd", "cpu": "x64" }, "sha512-+A1NJmfM8WNDv5CLVQYJ5PshuRm/4cI6WMZRg1by1GwPIQPCTs1GLEUHwiiQGT5zDdyLiRM/l1G0Pv54gvtKIg=="],
+
+    "@esbuild/openharmony-arm64": ["@esbuild/[email protected]", "", { "os": "none", "cpu": "arm64" }, "sha512-+KrvYb/C8zA9CU/g0sR6w2RBw7IGc5J2BPnc3dYc5VJxHCSF1yNMxTV5LQ7GuKteQXZtspjFbiuW5/dOj7H4Yw=="],
+
+    "@esbuild/sunos-x64": ["@esbuild/[email protected]", "", { "os": "sunos", "cpu": "x64" }, "sha512-ikktIhFBzQNt/QDyOL580ti9+5mL/YZeUPKU2ivGtGjdTYoqz6jObj6nOMfhASpS4GU4Q/Clh1QtxWAvcYKamA=="],
+
+    "@esbuild/win32-arm64": ["@esbuild/[email protected]", "", { "os": "win32", "cpu": "arm64" }, "sha512-7yRhbHvPqSpRUV7Q20VuDwbjW5kIMwTHpptuUzV+AA46kiPze5Z7qgt6CLCK3pWFrHeNfDd1VKgyP4O+ng17CA=="],
+
+    "@esbuild/win32-ia32": ["@esbuild/[email protected]", "", { "os": "win32", "cpu": "ia32" }, "sha512-SmwKXe6VHIyZYbBLJrhOoCJRB/Z1tckzmgTLfFYOfpMAx63BJEaL9ExI8x7v0oAO3Zh6D/Oi1gVxEYr5oUCFhw=="],
+
+    "@esbuild/win32-x64": ["@esbuild/[email protected]", "", { "os": "win32", "cpu": "x64" }, "sha512-56hiAJPhwQ1R4i+21FVF7V8kSD5zZTdHcVuRFMW0hn753vVfQN8xlx4uOPT4xoGH0Z/oVATuR82AiqSTDIpaHg=="],
+
+    "@sanderling/spec": ["@sanderling/spec@file:../../../pkg/spec", { "devDependencies": { "@types/node": "^22.7.5", "tsx": "^4.21.0", "typescript": "^5.9.3" } }],
+
+    "@types/node": ["@types/[email protected]", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-wGdMcf+vPYM6jikpS/qhg6WiqSV/OhG+jeeHT/KlVqxYfD40iYJf9/AE1uQxVWFvU7MipKRkRv8NSHiCGgPr8Q=="],
+
+    "esbuild": ["[email protected]", "", { "optionalDependencies": { "@esbuild/aix-ppc64": "0.27.7", "@esbuild/android-arm": "0.27.7", "@esbuild/android-arm64": "0.27.7", "@esbuild/android-x64": "0.27.7", "@esbuild/darwin-arm64": "0.27.7", "@esbuild/darwin-x64": "0.27.7", "@esbuild/freebsd-arm64": "0.27.7", "@esbuild/freebsd-x64": "0.27.7", "@esbuild/linux-arm": "0.27.7", "@esbuild/linux-arm64": "0.27.7", "@esbuild/linux-ia32": "0.27.7", "@esbuild/linux-loong64": "0.27.7", "@esbuild/linux-mips64el": "0.27.7", "@esbuild/linux-ppc64": "0.27.7", "@esbuild/linux-riscv64": "0.27.7", "@esbuild/linux-s390x": "0.27.7", "@esbuild/linux-x64": "0.27.7", "@esbuild/netbsd-arm64": "0.27.7", "@esbuild/netbsd-x64": "0.27.7", "@esbuild/openbsd-arm64": "0.27.7", "@esbuild/openbsd-x64": "0.27.7", "@esbuild/openharmony-arm64": "0.27.7", "@esbuild/sunos-x64": "0.27.7", "@esbuild/win32-arm64": "0.27.7", "@esbuild/win32-ia32": "0.27.7", "@esbuild/win32-x64": "0.27.7" }, "bin": { "esbuild": "bin/esbuild" } }, "sha512-IxpibTjyVnmrIQo5aqNpCgoACA/dTKLTlhMHihVHhdkxKyPO1uBBthumT0rdHmcsk9uMonIWS0m4FljWzILh3w=="],
+
+    "fsevents": ["[email protected]", "", { "os": "darwin" }, "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw=="],
+
+    "get-tsconfig": ["[email protected]", "", { "dependencies": { "resolve-pkg-maps": "^1.0.0" } }, "sha512-yTb+8DXzDREzgvYmh6s9vHsSVCHeC0G3PI5bEXNBHtmshPnO+S5O7qgLEOn0I5QvMy6kpZN8K1NKGyilLb93wA=="],
+
+    "resolve-pkg-maps": ["[email protected]", "", {}, "sha512-seS2Tj26TBVOC2NIc2rOe2y2ZO7efxITtLZcGSOnHHNOQ7CkiUBfw0Iw2ck6xkIhPwLhKNLS8BO+hEpngQlqzw=="],
+
+    "tsx": ["[email protected]", "", { "dependencies": { "esbuild": "~0.27.0", "get-tsconfig": "^4.7.5" }, "optionalDependencies": { "fsevents": "~2.3.3" }, "bin": { "tsx": "dist/cli.mjs" } }, "sha512-5C1sg4USs1lfG0GFb2RLXsdpXqBSEhAaA/0kPL01wxzpMqLILNxIxIOKiILz+cdg/pLnOUxFYOR5yhHU666wbw=="],
+
+    "typescript": ["[email protected]", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
+
+    "undici-types": ["[email protected]", "", {}, "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ=="],
+  }
+}

examples/folio/sanderling/package-lock.json

@@ -1,28 +0,0 @@
-{
-  "name": "folio",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "folio",
-      "devDependencies": {
-        "@sanderling/spec": "file:../../../pkg/spec"
-      }
-    },
-    "../../../pkg/spec": {
-      "name": "@sanderling/spec",
-      "version": "0.0.0-dev",
-      "dev": true,
-      "license": "Apache-2.0",
-      "devDependencies": {
-        "@types/node": "^22.7.5",
-        "tsx": "^4.21.0",
-        "typescript": "^5.9.3"
-      }
-    },
-    "node_modules/@sanderling/spec": {
-      "resolved": "../../../pkg/spec",
-      "link": true
-    }
-  }
-}

examples/folio/sanderling/spec.ts

@@ -20,14 +20,14 @@ interface LedgerRow {
   signed: number;
 }
 
-function parseAccount(desc: string): Account {
+function parseAccount(desc: string | undefined): Account {
-  const parts = desc.split(":");
+  const parts = (desc ?? "").split(":");
-  return { id: parts[1], balance: Number(parts[2]) };
+  return { id: parts[1] ?? "", balance: Number(parts[2]) };
 }
 
-function parseLedgerRow(desc: string): LedgerRow {
+function parseLedgerRow(desc: string | undefined): LedgerRow {
-  const parts = desc.split(":");
+  const parts = (desc ?? "").split(":");
-  return { id: parts[1], signed: Number(parts[2]) };
+  return { id: parts[1] ?? "", signed: Number(parts[2]) };
 }
 
 function parseCents(desc: string | null | undefined): number {

examples/folio/sanderling/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true
+  },
+  "include": ["spec.ts"]
+}