docs: hide private internals schema.__validationErrors and inputValue._memoizedCoercedDefaultValue (#4756)

Author: yaacovCR

src/type/definition.ts

@@ -3192,6 +3192,11 @@ export class GraphQLArgument implements GraphQLSchemaElement {
   defaultValue: unknown;
   /** Default value represented as either a runtime value or a GraphQL literal. */
   default: GraphQLDefaultInput | undefined;
+  /**
+   * Cached coerced default value.
+   * @private
+   */
+  _memoizedCoercedDefaultValue: unknown;
   /** Reason this element is deprecated, if one was provided. */
   deprecationReason: Maybe<string>;
   /** Extension fields to include in the formatted result. */
@@ -3237,6 +3242,7 @@ export class GraphQLArgument implements GraphQLSchemaElement {
     this.type = config.type;
     this.defaultValue = config.defaultValue;
     this.default = config.default;
+    this._memoizedCoercedDefaultValue = undefined;
     this.deprecationReason = config.deprecationReason;
     this.extensions = toObjMapWithSymbols(config.extensions);
     this.astNode = config.astNode;
@@ -5150,6 +5156,11 @@ export class GraphQLInputField implements GraphQLSchemaElement {
   defaultValue: unknown;
   /** Default value represented as either a runtime value or a GraphQL literal. */
   default: GraphQLDefaultInput | undefined;
+  /**
+   * Cached coerced default value.
+   * @private
+   */
+  _memoizedCoercedDefaultValue: unknown;
   /** Reason this element is deprecated, if one was provided. */
   deprecationReason: Maybe<string>;
   /** Extension fields to include in the formatted result. */
@@ -5197,6 +5208,7 @@ export class GraphQLInputField implements GraphQLSchemaElement {
     this.type = config.type;
     this.defaultValue = config.defaultValue;
     this.default = config.default;
+    this._memoizedCoercedDefaultValue = undefined;
     this.deprecationReason = config.deprecationReason;
     this.extensions = toObjMapWithSymbols(config.extensions);
     this.astNode = config.astNode;

src/type/schema.ts

@@ -207,7 +207,10 @@ export class GraphQLSchema {
 
   /** Whether this schema instance skips validation checks. */
   assumeValid: boolean;
-  /** Cached schema validation errors, if validation has already run. */
+  /**
+   * Cached schema validation errors, if validation has already run.
+   * @private
+   */
   __validationErrors: Maybe<ReadonlyArray<GraphQLError>>;
 
   private _queryType: Maybe<GraphQLObjectType>;
@@ -316,7 +319,6 @@ export class GraphQLSchema {
    * schema.getType('AuditEvent'); // => AuditEvent
    * schema.getDirective('auth'); // => authDirective
    * schema.extensions; // => { owner: 'platform' }
-   * schema.__validationErrors; // => []
    * ```
    */
   constructor(config: Readonly<GraphQLSchemaConfig>) {

src/utilities/coerceInputValue.ts

@@ -405,6 +405,8 @@ interface InputValue {
   type: GraphQLInputType;
   default?: GraphQLDefaultInput | undefined;
   defaultValue?: unknown;
+  /** @private */
+  _memoizedCoercedDefaultValue?: unknown;
 }
 
 /**
@@ -417,7 +419,7 @@ interface InputValue {
  */
 export function coerceDefaultValue(inputValue: InputValue): unknown {
   // Memoize the result of coercing the default value in a hidden field.
-  let coercedDefaultValue = (inputValue as any)._memoizedCoercedDefaultValue;
+  let coercedDefaultValue = inputValue._memoizedCoercedDefaultValue;
   if (coercedDefaultValue !== undefined) {
     return coercedDefaultValue;
   }
@@ -433,13 +435,13 @@ export function coerceDefaultValue(inputValue: InputValue): unknown {
         defaultInput.literal ?? defaultInput.value,
       )}.`,
     );
-    (inputValue as any)._memoizedCoercedDefaultValue = coercedDefaultValue;
+    inputValue._memoizedCoercedDefaultValue = coercedDefaultValue;
     return coercedDefaultValue;
   }
 
   const defaultValue = inputValue.defaultValue;
   if (defaultValue !== undefined) {
-    (inputValue as any)._memoizedCoercedDefaultValue = defaultValue;
+    inputValue._memoizedCoercedDefaultValue = defaultValue;
   }
   return defaultValue;
 }