add textarea type

lib/config/builder/index.test.ts

@@ -24,7 +24,6 @@ describe("builder tests", () => {
         placeholder: null,
         pattern: null,
         patternDescription: null,
-        textarea: null,
       }),
     }).build();
     expect(JSON.stringify(bitcoinPropertiesBuilt)).toEqual(
@@ -39,8 +38,7 @@ describe("builder tests", () => {
       "masked": true,
       "placeholder": null,
       "pattern": null,
-      "patternDescription": null,
-      "textarea": null
+      "patternDescription": null
     }}`
         .replaceAll("\n", " ")
         .replaceAll(/\s{2,}/g, "")

lib/config/builder/list.ts

@@ -38,7 +38,6 @@ export class List<A extends ValueSpecList> extends IBuilder<A> {
         placeholder: string | null;
         pattern: string | null;
         patternDescription: string | null;
-        textarea: boolean | null;
       };
     }
   >(a: A) {

lib/config/builder/value.ts

@@ -8,6 +8,7 @@ import {
   ValueSpecList,
   ValueSpecNumber,
   ValueSpecString,
+  ValueSpecTextarea,
 } from "../config-types";
 import { guardAll } from "../../util";
 
@@ -66,7 +67,6 @@ export class Value<A extends ValueSpec> extends IBuilder<A> {
       placeholder: string | null;
       pattern: string | null;
       patternDescription: string | null;
-      textarea: boolean | null;
     }
   >(a: A) {
     return new Value({
@@ -74,6 +74,20 @@ export class Value<A extends ValueSpec> extends IBuilder<A> {
       ...a,
     } as ValueSpecString);
   }
+  static textarea<
+    A extends {
+      name: string;
+      description: string | null;
+      warning: string | null;
+      nullable: boolean;
+      placeholder: string | null;
+    }
+  >(a: A) {
+    return new Value({
+      type: "textarea" as const,
+      ...a,
+    } as ValueSpecTextarea);
+  }
   static number<
     A extends {
       name: string;