From 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Thu, 2 Jul 2026 11:55:17 -0700
Subject: Init

---
 Homework/cs5260/shared/log/ConsoleLogger.ts      | 29 ++++++++++++++++
 Homework/cs5260/shared/log/TracingLogger.ts      |  7 ++++
 Homework/cs5260/shared/log/index.ts              |  2 ++
 Homework/cs5260/shared/schema/README.md          |  3 ++
 Homework/cs5260/shared/schema/Widget.ts          | 13 +++++++
 Homework/cs5260/shared/schema/WidgetRequest.json | 44 ++++++++++++++++++++++++
 Homework/cs5260/shared/schema/WidgetRequest.ts   | 16 +++++++++
 Homework/cs5260/shared/schema/index.ts           |  2 ++
 Homework/cs5260/shared/t/VoidLogger.ts           | 11 ++++++
 Homework/cs5260/shared/t/index.ts                |  1 +
 10 files changed, 128 insertions(+)
 create mode 100644 Homework/cs5260/shared/log/ConsoleLogger.ts
 create mode 100644 Homework/cs5260/shared/log/TracingLogger.ts
 create mode 100644 Homework/cs5260/shared/log/index.ts
 create mode 100644 Homework/cs5260/shared/schema/README.md
 create mode 100644 Homework/cs5260/shared/schema/Widget.ts
 create mode 100644 Homework/cs5260/shared/schema/WidgetRequest.json
 create mode 100644 Homework/cs5260/shared/schema/WidgetRequest.ts
 create mode 100644 Homework/cs5260/shared/schema/index.ts
 create mode 100644 Homework/cs5260/shared/t/VoidLogger.ts
 create mode 100644 Homework/cs5260/shared/t/index.ts

(limited to 'Homework/cs5260/shared')

diff --git a/Homework/cs5260/shared/log/ConsoleLogger.ts b/Homework/cs5260/shared/log/ConsoleLogger.ts
new file mode 100644
index 0000000..4d594a8
--- /dev/null
+++ b/Homework/cs5260/shared/log/ConsoleLogger.ts
@@ -0,0 +1,29 @@
+import { TracingLogger } from ".";
+
+export class ConsoleTracingLogger implements TracingLogger {
+  private prefix: string;
+
+  constructor(prefix: string) {
+    this.prefix = prefix;
+  }
+
+  private makePrefix(level: "info" | "warn" | "error"): string {
+    return `[${new Date().toISOString()}] ${level} (${this.prefix}) > `;
+  }
+
+  public info(log: string) {
+    console.log(this.makePrefix("info") + log);
+  }
+
+  public warn(log: string) {
+    console.warn(this.makePrefix("warn") + log);
+  }
+
+  public error(log: string) {
+    console.error(this.makePrefix("error") + log);
+  }
+
+  public createChild(prefix: string) {
+    return new ConsoleTracingLogger(`${this.prefix} -> ${prefix}`);
+  }
+}
diff --git a/Homework/cs5260/shared/log/TracingLogger.ts b/Homework/cs5260/shared/log/TracingLogger.ts
new file mode 100644
index 0000000..4765480
--- /dev/null
+++ b/Homework/cs5260/shared/log/TracingLogger.ts
@@ -0,0 +1,7 @@
+export interface TracingLogger {
+  info(log: string): void;
+  warn(log: string): void;
+  error(log: string): void;
+
+  createChild(prefix: string): TracingLogger;
+}
diff --git a/Homework/cs5260/shared/log/index.ts b/Homework/cs5260/shared/log/index.ts
new file mode 100644
index 0000000..d1bd68d
--- /dev/null
+++ b/Homework/cs5260/shared/log/index.ts
@@ -0,0 +1,2 @@
+export * from "./TracingLogger";
+export * from "./ConsoleLogger";
diff --git a/Homework/cs5260/shared/schema/README.md b/Homework/cs5260/shared/schema/README.md
new file mode 100644
index 0000000..6c5d0a0
--- /dev/null
+++ b/Homework/cs5260/shared/schema/README.md
@@ -0,0 +1,3 @@
+to compile TypeScript types
+
+`json-schema-to-zod --source=<schema.json> > <schema>.ts`
diff --git a/Homework/cs5260/shared/schema/Widget.ts b/Homework/cs5260/shared/schema/Widget.ts
new file mode 100644
index 0000000..e7f09d1
--- /dev/null
+++ b/Homework/cs5260/shared/schema/Widget.ts
@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const Widget = z.object({
+  id: z.string(),
+  owner: z.string().regex(new RegExp("[A-Za-z ]+")),
+  label: z.string().optional(),
+  description: z.string().optional(),
+  otherAttributes: z
+    .array(z.object({ name: z.string(), value: z.string() }))
+    .optional(),
+});
+
+export type WidgetT = z.infer<typeof Widget>;
diff --git a/Homework/cs5260/shared/schema/WidgetRequest.json b/Homework/cs5260/shared/schema/WidgetRequest.json
new file mode 100644
index 0000000..a378949
--- /dev/null
+++ b/Homework/cs5260/shared/schema/WidgetRequest.json
@@ -0,0 +1,44 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "type": "object",
+  "properties": {
+    "type": {
+      "type": "string",
+      "pattern": "create|delete|update"
+    },
+    "requestId": {
+      "type": "string"
+    },
+    "widgetId": {
+      "type": "string"
+    },
+    "owner": {
+      "type": "string",
+      "pattern": "[A-Za-z ]+"
+    },
+    "label": {
+      "type": "string"
+    },
+    "description": {
+      "type": "string"
+    },
+    "otherAttributes": {
+      "type": "array",
+      "items": [
+        {
+          "type": "object",
+          "properties": {
+            "name": {
+              "type": "string"
+            },
+            "value": {
+              "type": "string"
+            }
+          },
+          "required": ["name", "value"]
+        }
+      ]
+    }
+  },
+  "required": ["type", "requestId", "widgetId", "owner"]
+}
diff --git a/Homework/cs5260/shared/schema/WidgetRequest.ts b/Homework/cs5260/shared/schema/WidgetRequest.ts
new file mode 100644
index 0000000..11259cf
--- /dev/null
+++ b/Homework/cs5260/shared/schema/WidgetRequest.ts
@@ -0,0 +1,16 @@
+import { z } from "zod";
+
+// generated from json-schema-to-zod
+export const WidgetRequest = z.object({
+  type: z.string().regex(new RegExp("create|delete|update")),
+  requestId: z.string(),
+  widgetId: z.string(),
+  owner: z.string().regex(new RegExp("[A-Za-z ]+")),
+  label: z.string().optional(),
+  description: z.string().optional(),
+  otherAttributes: z
+    .array(z.object({ name: z.string(), value: z.string() }))
+    .optional(),
+});
+
+export type WidgetRequestT = z.infer<typeof WidgetRequest>;
diff --git a/Homework/cs5260/shared/schema/index.ts b/Homework/cs5260/shared/schema/index.ts
new file mode 100644
index 0000000..44cdfd7
--- /dev/null
+++ b/Homework/cs5260/shared/schema/index.ts
@@ -0,0 +1,2 @@
+export * from "./WidgetRequest.ts";
+export * from "./Widget";
diff --git a/Homework/cs5260/shared/t/VoidLogger.ts b/Homework/cs5260/shared/t/VoidLogger.ts
new file mode 100644
index 0000000..4133104
--- /dev/null
+++ b/Homework/cs5260/shared/t/VoidLogger.ts
@@ -0,0 +1,11 @@
+import { TracingLogger } from "../log";
+
+export class VoidLogger implements TracingLogger {
+  public info(_log: string) {}
+  public warn(_log: string) {}
+  public error(_log: string) {}
+
+  public createChild(_prefix: string) {
+    return new VoidLogger();
+  }
+}
diff --git a/Homework/cs5260/shared/t/index.ts b/Homework/cs5260/shared/t/index.ts
new file mode 100644
index 0000000..93f45ce
--- /dev/null
+++ b/Homework/cs5260/shared/t/index.ts
@@ -0,0 +1 @@
+export * from "./VoidLogger";
-- 
cgit v1.3