refactoring: simplify setLogLevel method for builder.

Author: ryukzak

examples/mustache/mustache-java-r4-gen.ts

@@ -4,7 +4,7 @@ if (require.main === module) {
     console.log("📦 Generating FHIR R4 Core Types...");
 
     const builder = new APIBuilder()
-        .verbose()
+        .setLogLevel("DEBUG")
         .throwException()
         .fromPackage("hl7.fhir.r4.core", "4.0.1")
         .mustache("./examples/mustache/java", { debug: "COMPACT" })

src/api/builder.ts

@@ -22,7 +22,13 @@ import {
     type TypeSchema,
 } from "@root/typeschema/types";
 import { mkTypeSchemaIndex, type TypeSchemaIndex } from "@root/typeschema/utils";
-import { CodegenLogger, createLogger, type LogLevel } from "@root/utils/codegen-logger";
+import {
+    CodegenLogger,
+    createLogger,
+    type LogLevel,
+    type LogLevelString,
+    parseLogLevel,
+} from "@root/utils/codegen-logger";
 import type { PartialBy } from "@root/utils/types";
 import type { TypeSchemaConfig } from "../config";
 import type { FileBasedMustacheGeneratorOptions } from "./writer-generator/mustache";
@@ -378,8 +384,8 @@ export class APIBuilder {
         return this;
     }
 
-    setLogLevel(level: LogLevel): APIBuilder {
-        this.logger?.setLevel(level);
+    setLogLevel(level: LogLevel | LogLevelString): APIBuilder {
+        this.logger?.setLevel(typeof level === "string" ? parseLogLevel(level) : level);
         return this;
     }
 

src/utils/codegen-logger.ts

@@ -14,6 +14,25 @@ export enum LogLevel {
     SILENT = 4,
 }
 
+export type LogLevelString = keyof typeof LogLevel;
+
+export const parseLogLevel = (level: LogLevelString): LogLevel => {
+    switch (level.toUpperCase()) {
+        case "DEBUG":
+            return LogLevel.DEBUG;
+        case "INFO":
+            return LogLevel.INFO;
+        case "WARN":
+            return LogLevel.WARN;
+        case "ERROR":
+            return LogLevel.ERROR;
+        case "SILENT":
+            return LogLevel.SILENT;
+        default:
+            throw new Error(`Invalid log level: ${level}`);
+    }
+};
+
 export interface LogOptions {
     prefix?: string;
     timestamp?: boolean;