mirror of
https://github.com/swc-project/swc.git
synced 2024-12-29 16:42:28 +03:00
194 lines
6.6 KiB
TypeScript
194 lines
6.6 KiB
TypeScript
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/execution/values.js
|
|
|
|
|
|
import find from '../polyfills/find.js';
|
|
import keyMap from '../jsutils/keyMap.js';
|
|
import inspect from '../jsutils/inspect.js';
|
|
import printPathArray from '../jsutils/printPathArray.js';
|
|
import { GraphQLError } from '../error/GraphQLError.js';
|
|
import { Kind } from '../language/kinds.js';
|
|
import { print } from '../language/printer.js';
|
|
import { isInputType, isNonNullType } from '../type/definition.js';
|
|
import { typeFromAST } from '../utilities/typeFromAST.js';
|
|
import { valueFromAST } from '../utilities/valueFromAST.js';
|
|
import { coerceInputValue } from '../utilities/coerceInputValue.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.
|
|
*
|
|
* @internal
|
|
*/
|
|
export function getVariableValues(schema, varDefNodes, inputs, options) {
|
|
const errors = [];
|
|
const maxErrors = options?.maxErrors;
|
|
|
|
try {
|
|
const coerced = coerceVariableValues(schema, varDefNodes, inputs, error => {
|
|
if (maxErrors != null && errors.length >= maxErrors) {
|
|
throw new 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 = typeFromAST(schema, varDefNode.type);
|
|
|
|
if (!isInputType(varType)) {
|
|
// Must use input types for variables. This should be caught during
|
|
// validation, however is checked again here for safety.
|
|
const varTypeStr = print(varDefNode.type);
|
|
onError(new GraphQLError(`Variable "$${varName}" expected value of type "${varTypeStr}" which cannot be used as an input type.`, varDefNode.type));
|
|
continue;
|
|
}
|
|
|
|
if (!hasOwnProperty(inputs, varName)) {
|
|
if (varDefNode.defaultValue) {
|
|
coercedValues[varName] = valueFromAST(varDefNode.defaultValue, varType);
|
|
} else if (isNonNullType(varType)) {
|
|
const varTypeStr = inspect(varType);
|
|
onError(new GraphQLError(`Variable "$${varName}" of required type "${varTypeStr}" was not provided.`, varDefNode));
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
const value = inputs[varName];
|
|
|
|
if (value === null && isNonNullType(varType)) {
|
|
const varTypeStr = inspect(varType);
|
|
onError(new GraphQLError(`Variable "$${varName}" of non-null type "${varTypeStr}" must not be null.`, varDefNode));
|
|
continue;
|
|
}
|
|
|
|
coercedValues[varName] = coerceInputValue(value, varType, (path, invalidValue, error) => {
|
|
let prefix = `Variable "$${varName}" got invalid value ` + inspect(invalidValue);
|
|
|
|
if (path.length > 0) {
|
|
prefix += ` at "${varName}${printPathArray(path)}"`;
|
|
}
|
|
|
|
onError(new GraphQLError(prefix + '; ' + error.message, varDefNode, undefined, undefined, undefined, error.originalError));
|
|
});
|
|
}
|
|
|
|
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.
|
|
*
|
|
* @internal
|
|
*/
|
|
|
|
|
|
export function getArgumentValues(def, node, variableValues) {
|
|
const coercedValues = {};
|
|
/* istanbul ignore next (See https://github.com/graphql/graphql-js/issues/2203) */
|
|
|
|
const argumentNodes = node.arguments ?? [];
|
|
const argNodeMap = 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 (isNonNullType(argType)) {
|
|
throw new GraphQLError(`Argument "${name}" of required type "${inspect(argType)}" ` + 'was not provided.', node);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
const valueNode = argumentNode.value;
|
|
let isNull = valueNode.kind === Kind.NULL;
|
|
|
|
if (valueNode.kind === Kind.VARIABLE) {
|
|
const variableName = valueNode.name.value;
|
|
|
|
if (variableValues == null || !hasOwnProperty(variableValues, variableName)) {
|
|
if (argDef.defaultValue !== undefined) {
|
|
coercedValues[name] = argDef.defaultValue;
|
|
} else if (isNonNullType(argType)) {
|
|
throw new GraphQLError(`Argument "${name}" of required type "${inspect(argType)}" ` + `was provided the variable "$${variableName}" which was not provided a runtime value.`, valueNode);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
isNull = variableValues[variableName] == null;
|
|
}
|
|
|
|
if (isNull && isNonNullType(argType)) {
|
|
throw new GraphQLError(`Argument "${name}" of non-null type "${inspect(argType)}" ` + 'must not be null.', valueNode);
|
|
}
|
|
|
|
const coercedValue = 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(`Argument "${name}" has invalid value ${print(valueNode)}.`, 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.
|
|
*/
|
|
|
|
export function getDirectiveValues(directiveDef, node, variableValues) {
|
|
const directiveNode = node.directives && find(node.directives, directive => directive.name.value === directiveDef.name);
|
|
|
|
if (directiveNode) {
|
|
return getArgumentValues(directiveDef, directiveNode, variableValues);
|
|
}
|
|
}
|
|
|
|
function hasOwnProperty(obj, prop) {
|
|
return Object.prototype.hasOwnProperty.call(obj, prop);
|
|
} |