| 'use strict'; |
| |
| Object.defineProperty(exports, '__esModule', { |
| value: true, |
| }); |
| exports.coerceInputValue = coerceInputValue; |
| |
| var _didYouMean = require('../jsutils/didYouMean.js'); |
| |
| var _inspect = require('../jsutils/inspect.js'); |
| |
| var _invariant = require('../jsutils/invariant.js'); |
| |
| var _isIterableObject = require('../jsutils/isIterableObject.js'); |
| |
| var _isObjectLike = require('../jsutils/isObjectLike.js'); |
| |
| var _Path = require('../jsutils/Path.js'); |
| |
| var _printPathArray = require('../jsutils/printPathArray.js'); |
| |
| var _suggestionList = require('../jsutils/suggestionList.js'); |
| |
| var _GraphQLError = require('../error/GraphQLError.js'); |
| |
| var _definition = require('../type/definition.js'); |
| |
| /** |
| * Coerces a JavaScript value given a GraphQL Input Type. |
| */ |
| function coerceInputValue(inputValue, type, onError = defaultOnError) { |
| return coerceInputValueImpl(inputValue, type, onError, undefined); |
| } |
| |
| function defaultOnError(path, invalidValue, error) { |
| let errorPrefix = 'Invalid value ' + (0, _inspect.inspect)(invalidValue); |
| |
| if (path.length > 0) { |
| errorPrefix += ` at "value${(0, _printPathArray.printPathArray)(path)}"`; |
| } |
| |
| error.message = errorPrefix + ': ' + error.message; |
| throw error; |
| } |
| |
| function coerceInputValueImpl(inputValue, type, onError, path) { |
| if ((0, _definition.isNonNullType)(type)) { |
| if (inputValue != null) { |
| return coerceInputValueImpl(inputValue, type.ofType, onError, path); |
| } |
| |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError( |
| `Expected non-nullable type "${(0, _inspect.inspect)( |
| type, |
| )}" not to be null.`, |
| ), |
| ); |
| return; |
| } |
| |
| if (inputValue == null) { |
| // Explicitly return the value null. |
| return null; |
| } |
| |
| if ((0, _definition.isListType)(type)) { |
| const itemType = type.ofType; |
| |
| if ((0, _isIterableObject.isIterableObject)(inputValue)) { |
| return Array.from(inputValue, (itemValue, index) => { |
| const itemPath = (0, _Path.addPath)(path, index, undefined); |
| return coerceInputValueImpl(itemValue, itemType, onError, itemPath); |
| }); |
| } // Lists accept a non-list value as a list of one. |
| |
| return [coerceInputValueImpl(inputValue, itemType, onError, path)]; |
| } |
| |
| if ((0, _definition.isInputObjectType)(type)) { |
| if (!(0, _isObjectLike.isObjectLike)(inputValue)) { |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError( |
| `Expected type "${type.name}" to be an object.`, |
| ), |
| ); |
| return; |
| } |
| |
| const coercedValue = {}; |
| const fieldDefs = type.getFields(); |
| |
| for (const field of Object.values(fieldDefs)) { |
| const fieldValue = inputValue[field.name]; |
| |
| if (fieldValue === undefined) { |
| if (field.defaultValue !== undefined) { |
| coercedValue[field.name] = field.defaultValue; |
| } else if ((0, _definition.isNonNullType)(field.type)) { |
| const typeStr = (0, _inspect.inspect)(field.type); |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError( |
| `Field "${field.name}" of required type "${typeStr}" was not provided.`, |
| ), |
| ); |
| } |
| |
| continue; |
| } |
| |
| coercedValue[field.name] = coerceInputValueImpl( |
| fieldValue, |
| field.type, |
| onError, |
| (0, _Path.addPath)(path, field.name, type.name), |
| ); |
| } // Ensure every provided field is defined. |
| |
| for (const fieldName of Object.keys(inputValue)) { |
| if (!fieldDefs[fieldName]) { |
| const suggestions = (0, _suggestionList.suggestionList)( |
| fieldName, |
| Object.keys(type.getFields()), |
| ); |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError( |
| `Field "${fieldName}" is not defined by type "${type.name}".` + |
| (0, _didYouMean.didYouMean)(suggestions), |
| ), |
| ); |
| } |
| } |
| |
| return coercedValue; |
| } |
| |
| if ((0, _definition.isLeafType)(type)) { |
| let parseResult; // Scalars and Enums determine if a input value is valid via parseValue(), |
| // which can throw to indicate failure. If it throws, maintain a reference |
| // to the original error. |
| |
| try { |
| parseResult = type.parseValue(inputValue); |
| } catch (error) { |
| if (error instanceof _GraphQLError.GraphQLError) { |
| onError((0, _Path.pathToArray)(path), inputValue, error); |
| } else { |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError( |
| `Expected type "${type.name}". ` + error.message, |
| { |
| originalError: error, |
| }, |
| ), |
| ); |
| } |
| |
| return; |
| } |
| |
| if (parseResult === undefined) { |
| onError( |
| (0, _Path.pathToArray)(path), |
| inputValue, |
| new _GraphQLError.GraphQLError(`Expected type "${type.name}".`), |
| ); |
| } |
| |
| return parseResult; |
| } |
| /* c8 ignore next 3 */ |
| // Not reachable, all possible types have been considered. |
| |
| false || |
| (0, _invariant.invariant)( |
| false, |
| 'Unexpected input type: ' + (0, _inspect.inspect)(type), |
| ); |
| } |