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300 lines
8.3 KiB
300 lines
8.3 KiB
'use strict'; |
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Object.defineProperty(exports, '__esModule', { |
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value: true, |
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}); |
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exports.getArgumentValues = getArgumentValues; |
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exports.getDirectiveValues = getDirectiveValues; |
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exports.getVariableValues = getVariableValues; |
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var _inspect = require('../jsutils/inspect.js'); |
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var _keyMap = require('../jsutils/keyMap.js'); |
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var _printPathArray = require('../jsutils/printPathArray.js'); |
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var _GraphQLError = require('../error/GraphQLError.js'); |
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var _kinds = require('../language/kinds.js'); |
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var _printer = require('../language/printer.js'); |
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var _definition = require('../type/definition.js'); |
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var _coerceInputValue = require('../utilities/coerceInputValue.js'); |
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var _typeFromAST = require('../utilities/typeFromAST.js'); |
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var _valueFromAST = require('../utilities/valueFromAST.js'); |
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/** |
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* Prepares an object map of variableValues of the correct type based on the |
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* provided variable definitions and arbitrary input. If the input cannot be |
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* parsed to match the variable definitions, a GraphQLError will be thrown. |
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* |
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* Note: The returned value is a plain Object with a prototype, since it is |
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* exposed to user code. Care should be taken to not pull values from the |
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* Object prototype. |
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*/ |
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function getVariableValues(schema, varDefNodes, inputs, options) { |
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const errors = []; |
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const maxErrors = |
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options === null || options === void 0 ? void 0 : options.maxErrors; |
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try { |
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const coerced = coerceVariableValues( |
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schema, |
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varDefNodes, |
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inputs, |
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(error) => { |
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if (maxErrors != null && errors.length >= maxErrors) { |
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throw new _GraphQLError.GraphQLError( |
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'Too many errors processing variables, error limit reached. Execution aborted.', |
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); |
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} |
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errors.push(error); |
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}, |
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); |
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if (errors.length === 0) { |
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return { |
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coerced, |
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}; |
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} |
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} catch (error) { |
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errors.push(error); |
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} |
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return { |
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errors, |
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}; |
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} |
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function coerceVariableValues(schema, varDefNodes, inputs, onError) { |
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const coercedValues = {}; |
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for (const varDefNode of varDefNodes) { |
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const varName = varDefNode.variable.name.value; |
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const varType = (0, _typeFromAST.typeFromAST)(schema, varDefNode.type); |
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if (!(0, _definition.isInputType)(varType)) { |
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// Must use input types for variables. This should be caught during |
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// validation, however is checked again here for safety. |
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const varTypeStr = (0, _printer.print)(varDefNode.type); |
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onError( |
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new _GraphQLError.GraphQLError( |
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`Variable "$${varName}" expected value of type "${varTypeStr}" which cannot be used as an input type.`, |
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{ |
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nodes: varDefNode.type, |
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}, |
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), |
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); |
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continue; |
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} |
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if (!hasOwnProperty(inputs, varName)) { |
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if (varDefNode.defaultValue) { |
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coercedValues[varName] = (0, _valueFromAST.valueFromAST)( |
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varDefNode.defaultValue, |
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varType, |
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); |
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} else if ((0, _definition.isNonNullType)(varType)) { |
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const varTypeStr = (0, _inspect.inspect)(varType); |
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onError( |
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new _GraphQLError.GraphQLError( |
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`Variable "$${varName}" of required type "${varTypeStr}" was not provided.`, |
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{ |
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nodes: varDefNode, |
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}, |
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), |
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); |
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} |
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continue; |
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} |
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const value = inputs[varName]; |
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if (value === null && (0, _definition.isNonNullType)(varType)) { |
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const varTypeStr = (0, _inspect.inspect)(varType); |
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onError( |
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new _GraphQLError.GraphQLError( |
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`Variable "$${varName}" of non-null type "${varTypeStr}" must not be null.`, |
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{ |
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nodes: varDefNode, |
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}, |
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), |
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); |
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continue; |
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} |
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coercedValues[varName] = (0, _coerceInputValue.coerceInputValue)( |
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value, |
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varType, |
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(path, invalidValue, error) => { |
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let prefix = |
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`Variable "$${varName}" got invalid value ` + |
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(0, _inspect.inspect)(invalidValue); |
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if (path.length > 0) { |
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prefix += ` at "${varName}${(0, _printPathArray.printPathArray)( |
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path, |
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)}"`; |
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} |
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onError( |
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new _GraphQLError.GraphQLError(prefix + '; ' + error.message, { |
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nodes: varDefNode, |
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originalError: error, |
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}), |
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); |
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}, |
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); |
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} |
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return coercedValues; |
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} |
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/** |
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* Prepares an object map of argument values given a list of argument |
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* definitions and list of argument AST nodes. |
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* |
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* Note: The returned value is a plain Object with a prototype, since it is |
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* exposed to user code. Care should be taken to not pull values from the |
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* Object prototype. |
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*/ |
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function getArgumentValues(def, node, variableValues) { |
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var _node$arguments; |
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const coercedValues = {}; // FIXME: https://github.com/graphql/graphql-js/issues/2203 |
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/* c8 ignore next */ |
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const argumentNodes = |
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(_node$arguments = node.arguments) !== null && _node$arguments !== void 0 |
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? _node$arguments |
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: []; |
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const argNodeMap = (0, _keyMap.keyMap)( |
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argumentNodes, |
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(arg) => arg.name.value, |
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); |
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for (const argDef of def.args) { |
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const name = argDef.name; |
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const argType = argDef.type; |
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const argumentNode = argNodeMap[name]; |
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if (!argumentNode) { |
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if (argDef.defaultValue !== undefined) { |
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coercedValues[name] = argDef.defaultValue; |
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} else if ((0, _definition.isNonNullType)(argType)) { |
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throw new _GraphQLError.GraphQLError( |
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`Argument "${name}" of required type "${(0, _inspect.inspect)( |
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argType, |
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)}" ` + 'was not provided.', |
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{ |
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nodes: node, |
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}, |
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); |
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} |
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continue; |
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} |
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const valueNode = argumentNode.value; |
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let isNull = valueNode.kind === _kinds.Kind.NULL; |
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if (valueNode.kind === _kinds.Kind.VARIABLE) { |
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const variableName = valueNode.name.value; |
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if ( |
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variableValues == null || |
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!hasOwnProperty(variableValues, variableName) |
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) { |
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if (argDef.defaultValue !== undefined) { |
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coercedValues[name] = argDef.defaultValue; |
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} else if ((0, _definition.isNonNullType)(argType)) { |
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throw new _GraphQLError.GraphQLError( |
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`Argument "${name}" of required type "${(0, _inspect.inspect)( |
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argType, |
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)}" ` + |
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`was provided the variable "$${variableName}" which was not provided a runtime value.`, |
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{ |
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nodes: valueNode, |
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}, |
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); |
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} |
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continue; |
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} |
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isNull = variableValues[variableName] == null; |
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} |
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if (isNull && (0, _definition.isNonNullType)(argType)) { |
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throw new _GraphQLError.GraphQLError( |
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`Argument "${name}" of non-null type "${(0, _inspect.inspect)( |
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argType, |
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)}" ` + 'must not be null.', |
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{ |
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nodes: valueNode, |
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}, |
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); |
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} |
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const coercedValue = (0, _valueFromAST.valueFromAST)( |
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valueNode, |
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argType, |
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variableValues, |
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); |
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if (coercedValue === undefined) { |
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// Note: ValuesOfCorrectTypeRule validation should catch this before |
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// execution. This is a runtime check to ensure execution does not |
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// continue with an invalid argument value. |
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throw new _GraphQLError.GraphQLError( |
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`Argument "${name}" has invalid value ${(0, _printer.print)( |
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valueNode, |
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)}.`, |
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{ |
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nodes: valueNode, |
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}, |
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); |
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} |
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coercedValues[name] = coercedValue; |
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} |
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return coercedValues; |
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} |
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/** |
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* Prepares an object map of argument values given a directive definition |
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* and a AST node which may contain directives. Optionally also accepts a map |
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* of variable values. |
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* |
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* If the directive does not exist on the node, returns undefined. |
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* |
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* Note: The returned value is a plain Object with a prototype, since it is |
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* exposed to user code. Care should be taken to not pull values from the |
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* Object prototype. |
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*/ |
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function getDirectiveValues(directiveDef, node, variableValues) { |
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var _node$directives; |
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const directiveNode = |
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(_node$directives = node.directives) === null || _node$directives === void 0 |
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? void 0 |
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: _node$directives.find( |
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(directive) => directive.name.value === directiveDef.name, |
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); |
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if (directiveNode) { |
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return getArgumentValues(directiveDef, directiveNode, variableValues); |
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} |
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} |
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function hasOwnProperty(obj, prop) { |
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return Object.prototype.hasOwnProperty.call(obj, prop); |
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}
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