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Changed logic to avoid generics with any.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,182 +1,174 @@ | ||
| import { | ||
| buildClientSchema, | ||
| getIntrospectionQuery, | ||
| GraphQLSchema, | ||
| GraphQLType, | ||
| GraphQLNamedType, | ||
| GraphQLNonNull, | ||
| GraphQLList, | ||
| isNonNullType, | ||
| isListType, | ||
| isScalarType, | ||
| isEnumType, | ||
| isInputObjectType, | ||
| buildClientSchema, | ||
| getIntrospectionQuery, | ||
| GraphQLSchema, | ||
| GraphQLType, | ||
| GraphQLNamedType, | ||
| isNonNullType, | ||
| isListType, | ||
| isScalarType, | ||
| isEnumType, | ||
| isInputObjectType, | ||
| } from 'graphql'; | ||
|
|
||
| // | ||
| // Types | ||
| // | ||
| export interface ResolvedType { | ||
| type: 'Scalar' | 'Enum' | 'InputObject' | 'Group'; | ||
| // For scalars or fallback, e.g. "String", "Int", etc. | ||
| subtype?: string; | ||
| // For input objects | ||
| name?: string; | ||
| fields?: { | ||
| [fieldName: string]: { | ||
| type: ResolvedType; | ||
| defaultValue?: string | number | boolean | object | null; // Updated type | ||
| isList: boolean; | ||
| }; | ||
| type: 'Scalar' | 'Enum' | 'InputObject' | 'Group'; | ||
| // For scalars or fallback, e.g. "String", "Int", etc. | ||
| subtype?: string; | ||
| // For input objects | ||
| name?: string; | ||
| fields?: { | ||
| [fieldName: string]: { | ||
| type: ResolvedType; | ||
| defaultValue?: string | number | boolean | object | null; // Updated type | ||
| isList: boolean; | ||
| }; | ||
| // For enums | ||
| values?: string[]; | ||
| }; | ||
| // For enums | ||
| values?: string[]; | ||
| } | ||
|
|
||
| export interface ArgumentRepresentation { | ||
| [argName: string]: { | ||
| type: ResolvedType; | ||
| defaultValue?: string | number | boolean | object | null; // Updated type | ||
| isList: boolean; | ||
| }; | ||
| [argName: string]: { | ||
| type: ResolvedType; | ||
| defaultValue?: string | number | boolean | object | null; // Updated type | ||
| isList: boolean; | ||
| }; | ||
| } | ||
|
|
||
| export interface TripArgsRepresentation { | ||
| trip: { | ||
| arguments: ArgumentRepresentation; | ||
| }; | ||
| trip: { | ||
| arguments: ArgumentRepresentation; | ||
| }; | ||
| } | ||
|
|
||
| // | ||
| // 1. Utility function to unwrap NonNull and List until we get a "named" type | ||
| // | ||
| /** | ||
| * Repeatedly unwraps NonNull and List wrappers until we get a named type. | ||
| */ | ||
| function getNamedType(type: GraphQLType): GraphQLNamedType { | ||
| let namedType = type; | ||
| while (isNonNullType(namedType) || isListType(namedType)) { | ||
| namedType = (namedType as GraphQLNonNull<any> | GraphQLList<any>).ofType; | ||
| let current: GraphQLType = type; | ||
|
|
||
| while (true) { | ||
| if (isNonNullType(current)) { | ||
| current = current.ofType; | ||
| } else if (isListType(current)) { | ||
| current = current.ofType; | ||
| } else { | ||
| break; | ||
| } | ||
| return namedType; | ||
| } | ||
|
|
||
| // At this point, current should be a GraphQLNamedType | ||
| return current as GraphQLNamedType; | ||
| } | ||
|
|
||
| // | ||
| // 2. Recursively describe a type | ||
| // | ||
| function resolveType(type: GraphQLType): ResolvedType { | ||
| const namedType = getNamedType(type); | ||
| const namedType = getNamedType(type); | ||
|
|
||
| if (isScalarType(namedType)) { | ||
| return { type: 'Scalar', subtype: namedType.name }; | ||
| } | ||
| if (isScalarType(namedType)) { | ||
| return { type: 'Scalar', subtype: namedType.name }; | ||
| } | ||
|
|
||
| if (isEnumType(namedType)) { | ||
| return { | ||
| type: 'Enum', | ||
| values: namedType.getValues().map((val) => val.name), | ||
| }; | ||
| if (isEnumType(namedType)) { | ||
| return { | ||
| type: 'Enum', | ||
| values: namedType.getValues().map((val) => val.name), | ||
| }; | ||
| } | ||
|
|
||
| if (isInputObjectType(namedType)) { | ||
| const fields = namedType.getFields(); | ||
| const fieldTypes: Record< | ||
| string, | ||
| { type: ResolvedType; defaultValue?: string | number | boolean | object | null; isList: boolean } // Updated type | ||
| > = {}; | ||
|
|
||
| for (const fieldName of Object.keys(fields)) { | ||
| const field = fields[fieldName]; | ||
|
|
||
| // Exclude deprecated fields | ||
| if (field.deprecationReason) { | ||
| continue; | ||
| } | ||
|
|
||
| const isList = isListType(field.type); | ||
| const defaultValue = field.defaultValue !== undefined ? field.defaultValue : null; | ||
|
|
||
| fieldTypes[fieldName] = { | ||
| type: resolveType(field.type), | ||
| defaultValue: defaultValue, | ||
| isList, | ||
| }; | ||
| } | ||
|
|
||
| if (isInputObjectType(namedType)) { | ||
| const fields = namedType.getFields(); | ||
| const fieldTypes: Record< | ||
| string, | ||
| { type: ResolvedType; defaultValue?: string | number | boolean | object | null; isList: boolean } // Updated type | ||
| > = {}; | ||
|
|
||
| for (const fieldName of Object.keys(fields)) { | ||
| const field = fields[fieldName]; | ||
|
|
||
| // Exclude deprecated fields | ||
| if (field.deprecationReason) { | ||
| continue; | ||
| } | ||
|
|
||
| const isList = isListType(field.type); | ||
| const defaultValue = field.defaultValue !== undefined ? field.defaultValue : null; | ||
|
|
||
| fieldTypes[fieldName] = { | ||
| type: resolveType(field.type), | ||
| defaultValue: defaultValue, | ||
| isList, | ||
| }; | ||
| } | ||
|
|
||
| return { | ||
| type: 'InputObject', | ||
| name: namedType.name, | ||
| fields: fieldTypes, | ||
| }; | ||
| } | ||
| return { | ||
| type: 'InputObject', | ||
| name: namedType.name, | ||
| fields: fieldTypes, | ||
| }; | ||
| } | ||
|
|
||
| // Fallback (e.g., unions, interfaces) | ||
| return { type: 'Scalar', subtype: 'String' }; | ||
| return { type: 'Scalar', subtype: 'String' }; | ||
| } | ||
|
|
||
| // | ||
| // 3. Main function to generate in-memory representation for "trip" query arguments | ||
| // | ||
| function generateTripArgs(schema: GraphQLSchema): TripArgsRepresentation { | ||
| const queryType = schema.getQueryType(); | ||
| if (!queryType) { | ||
| throw new Error('No Query type found in the schema.'); | ||
| } | ||
|
|
||
| const tripField = queryType.getFields()['trip']; | ||
| if (!tripField) { | ||
| throw new Error('No trip query found in the schema.'); | ||
| const queryType = schema.getQueryType(); | ||
| if (!queryType) { | ||
| throw new Error('No Query type found in the schema.'); | ||
| } | ||
|
|
||
| const tripField = queryType.getFields()['trip']; | ||
| if (!tripField) { | ||
| throw new Error('No trip query found in the schema.'); | ||
| } | ||
|
|
||
| const argsJson: ArgumentRepresentation = {}; | ||
|
|
||
| tripField.args.forEach((arg) => { | ||
| if (arg.deprecationReason) { | ||
| // Skip deprecated arguments | ||
| return; | ||
| } | ||
|
|
||
| const argsJson: ArgumentRepresentation = {}; | ||
|
|
||
| tripField.args.forEach((arg) => { | ||
| if (arg.deprecationReason) { | ||
| // Skip deprecated arguments | ||
| return; | ||
| } | ||
| const argName = arg.name; | ||
| const argType = resolveType(arg.type); | ||
| const argDefaultValue = arg.defaultValue !== null ? arg.defaultValue : null; | ||
| const isList = isListType(arg.type); | ||
|
|
||
| const argName = arg.name; | ||
| const argType = resolveType(arg.type); | ||
| const argDefaultValue = arg.defaultValue !== null ? arg.defaultValue : null; | ||
| const isList = isListType(arg.type); | ||
|
|
||
| argsJson[argName] = { | ||
| type: argType, | ||
| ...(argDefaultValue !== null && { defaultValue: argDefaultValue }), | ||
| isList, | ||
| }; | ||
| }); | ||
|
|
||
| return { | ||
| trip: { | ||
| arguments: argsJson, | ||
| }, | ||
| argsJson[argName] = { | ||
| type: argType, | ||
| ...(argDefaultValue !== null && { defaultValue: argDefaultValue }), | ||
| isList, | ||
| }; | ||
| }); | ||
|
|
||
| return { | ||
| trip: { | ||
| arguments: argsJson, | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| // | ||
| // 4. Fetch the remote GraphQL schema via introspection | ||
| // then convert it into an in-memory representation of trip arguments. | ||
| // | ||
| //Fetch the remote GraphQL schema via introspection | ||
| export async function fetchTripArgs(graphqlEndpointUrl: string): Promise<TripArgsRepresentation> { | ||
| // 1. Perform introspection query | ||
| const introspectionQuery = getIntrospectionQuery(); | ||
|
|
||
| // 2. Use browser's fetch (no Node needed) | ||
| const response = await fetch(graphqlEndpointUrl, { | ||
| method: 'POST', | ||
| headers: { 'Content-Type': 'application/json' }, | ||
| body: JSON.stringify({ query: introspectionQuery }), | ||
| }); | ||
|
|
||
| if (!response.ok) { | ||
| throw new Error(`Failed to fetch schema. HTTP error: ${response.status}`); | ||
| } | ||
| const introspectionQuery = getIntrospectionQuery(); | ||
|
|
||
| const response = await fetch(graphqlEndpointUrl, { | ||
| method: 'POST', | ||
| headers: { 'Content-Type': 'application/json' }, | ||
| body: JSON.stringify({ query: introspectionQuery }), | ||
| }); | ||
|
|
||
| if (!response.ok) { | ||
| throw new Error(`Failed to fetch schema. HTTP error: ${response.status}`); | ||
| } | ||
|
|
||
| // 3. Parse JSON | ||
| const { data } = await response.json(); | ||
| const { data } = await response.json(); | ||
|
|
||
| // 4. Build GraphQLSchema from introspection | ||
| const schema = buildClientSchema(data); | ||
| const schema = buildClientSchema(data); | ||
|
|
||
| // 5. Generate and return the "trip" arguments representation | ||
| return generateTripArgs(schema); | ||
| return generateTripArgs(schema); | ||
| } |