Provide typeahead for the type property in function parameters and …

…datastore attributes (#186)

src/datastore/types.ts

@@ -1,10 +1,24 @@
 import { ICustomType } from "../types/types.ts";
 import { ManifestDatastoreSchema } from "../manifest/manifest_schema.ts";
 import { SlackManifest } from "../manifest/mod.ts";
+import { SlackPrimitiveTypes } from "../schema/slack/types/mod.ts";
+import type { ValidSchemaTypes } from "../schema/schema_types.ts";
+import type { ValidSlackPrimitiveTypes } from "../schema/slack/types/mod.ts";
+import type { LooseStringAutocomplete } from "../type_utils.ts";
+
+type InvalidDatastoreTypes =
+  | typeof SlackPrimitiveTypes.blocks
+  | typeof SlackPrimitiveTypes.oauth2;
+
+type ValidDatastoreTypes = Exclude<
+  | ValidSchemaTypes
+  | ValidSlackPrimitiveTypes,
+  InvalidDatastoreTypes
+>;
 
 export type SlackDatastoreAttribute = {
   // supports custom types, primitive types, inline objects and lists
-  type: string | ICustomType;
+  type: LooseStringAutocomplete<ValidDatastoreTypes> | ICustomType;
 };
 
 export type SlackDatastoreAttributes = Record<string, SlackDatastoreAttribute>;

src/parameters/definition_types.ts

@@ -1,5 +1,9 @@
-import SchemaTypes from "../schema/schema_types.ts";
-import { SlackPrimitiveTypes } from "../schema/slack/types/mod.ts";
+import SchemaTypes, { ValidSchemaTypes } from "../schema/schema_types.ts";
+import {
+  SlackPrimitiveTypes,
+  ValidSlackPrimitiveTypes,
+} from "../schema/slack/types/mod.ts";
+import { LooseStringAutocomplete } from "../type_utils.ts";
 import { ICustomType } from "../types/types.ts";
 
 export type ParameterDefinition = TypedParameterDefinition;
@@ -27,7 +31,7 @@ export interface CustomTypeParameterDefinition
 
 interface BaseParameterDefinition<T> {
   /** Defines the parameter type. */
-  type: string;
+  type: LooseStringAutocomplete<ValidSchemaTypes | ValidSlackPrimitiveTypes>;
   /** An optional parameter title. */
   title?: string;
   /** An optional parameter description. */

src/schema/schema_types.ts

@@ -7,4 +7,6 @@ const SchemaTypes = {
   array: "array",
 } as const;
 
+export type ValidSchemaTypes = typeof SchemaTypes[keyof typeof SchemaTypes];
+
 export default SchemaTypes;

src/schema/slack/types/mod.ts

@@ -10,4 +10,7 @@ const SlackPrimitiveTypes = {
   message_ts: "slack#/types/message_ts",
 } as const;
 
+export type ValidSlackPrimitiveTypes =
+  typeof SlackPrimitiveTypes[keyof typeof SlackPrimitiveTypes];
+
 export { SlackPrimitiveTypes };

src/type_utils.ts

@@ -13,3 +13,7 @@ export type IncreaseDepth<Depth extends RecursionDepthLevel = 0> = Depth extends
   : Depth extends 4 ? 5
   : Depth extends 5 ? MaxRecursionDepth
   : MaxRecursionDepth;
+
+/** @description Provides typeahead for passed strict string values while allowing any other string to be passed as well */
+// deno-lint-ignore ban-types
+export type LooseStringAutocomplete<T> = T | (string & {});