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