mirror of
https://github.com/swc-project/swc.git
synced 2024-12-23 13:51:19 +03:00
270 lines
7.9 KiB
TypeScript
270 lines
7.9 KiB
TypeScript
|
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/type/scalars.js
|
||
|
|
||
|
|
||
|
import isFinite from '../polyfills/isFinite.js';
|
||
|
import isInteger from '../polyfills/isInteger.js';
|
||
|
import inspect from '../jsutils/inspect.js';
|
||
|
import isObjectLike from '../jsutils/isObjectLike.js';
|
||
|
import { Kind } from '../language/kinds.js';
|
||
|
import { print } from '../language/printer.js';
|
||
|
import { GraphQLError } from '../error/GraphQLError.js';
|
||
|
import { GraphQLScalarType } from './definition.js'; // As per the GraphQL Spec, Integers are only treated as valid when a valid
|
||
|
// 32-bit signed integer, providing the broadest support across platforms.
|
||
|
//
|
||
|
// n.b. JavaScript's integers are safe between -(2^53 - 1) and 2^53 - 1 because
|
||
|
// they are internally represented as IEEE 754 doubles.
|
||
|
|
||
|
const MAX_INT = 2147483647;
|
||
|
const MIN_INT = -2147483648;
|
||
|
|
||
|
function serializeInt(outputValue) {
|
||
|
const coercedValue = serializeObject(outputValue);
|
||
|
|
||
|
if (typeof coercedValue === 'boolean') {
|
||
|
return coercedValue ? 1 : 0;
|
||
|
}
|
||
|
|
||
|
let num = coercedValue;
|
||
|
|
||
|
if (typeof coercedValue === 'string' && coercedValue !== '') {
|
||
|
num = Number(coercedValue);
|
||
|
}
|
||
|
|
||
|
if (!isInteger(num)) {
|
||
|
throw new GraphQLError(`Int cannot represent non-integer value: ${inspect(coercedValue)}`);
|
||
|
}
|
||
|
|
||
|
if (num > MAX_INT || num < MIN_INT) {
|
||
|
throw new GraphQLError('Int cannot represent non 32-bit signed integer value: ' + inspect(coercedValue));
|
||
|
}
|
||
|
|
||
|
return num;
|
||
|
}
|
||
|
|
||
|
function coerceInt(inputValue) {
|
||
|
if (!isInteger(inputValue)) {
|
||
|
throw new GraphQLError(`Int cannot represent non-integer value: ${inspect(inputValue)}`);
|
||
|
}
|
||
|
|
||
|
if (inputValue > MAX_INT || inputValue < MIN_INT) {
|
||
|
throw new GraphQLError(`Int cannot represent non 32-bit signed integer value: ${inputValue}`);
|
||
|
}
|
||
|
|
||
|
return inputValue;
|
||
|
}
|
||
|
|
||
|
export const GraphQLInt = new GraphQLScalarType({
|
||
|
name: 'Int',
|
||
|
description: 'The `Int` scalar type represents non-fractional signed whole numeric values. Int can represent values between -(2^31) and 2^31 - 1.',
|
||
|
serialize: serializeInt,
|
||
|
parseValue: coerceInt,
|
||
|
|
||
|
parseLiteral(valueNode) {
|
||
|
if (valueNode.kind !== Kind.INT) {
|
||
|
throw new GraphQLError(`Int cannot represent non-integer value: ${print(valueNode)}`, valueNode);
|
||
|
}
|
||
|
|
||
|
const num = parseInt(valueNode.value, 10);
|
||
|
|
||
|
if (num > MAX_INT || num < MIN_INT) {
|
||
|
throw new GraphQLError(`Int cannot represent non 32-bit signed integer value: ${valueNode.value}`, valueNode);
|
||
|
}
|
||
|
|
||
|
return num;
|
||
|
}
|
||
|
|
||
|
});
|
||
|
|
||
|
function serializeFloat(outputValue) {
|
||
|
const coercedValue = serializeObject(outputValue);
|
||
|
|
||
|
if (typeof coercedValue === 'boolean') {
|
||
|
return coercedValue ? 1 : 0;
|
||
|
}
|
||
|
|
||
|
let num = coercedValue;
|
||
|
|
||
|
if (typeof coercedValue === 'string' && coercedValue !== '') {
|
||
|
num = Number(coercedValue);
|
||
|
}
|
||
|
|
||
|
if (!isFinite(num)) {
|
||
|
throw new GraphQLError(`Float cannot represent non numeric value: ${inspect(coercedValue)}`);
|
||
|
}
|
||
|
|
||
|
return num;
|
||
|
}
|
||
|
|
||
|
function coerceFloat(inputValue) {
|
||
|
if (!isFinite(inputValue)) {
|
||
|
throw new GraphQLError(`Float cannot represent non numeric value: ${inspect(inputValue)}`);
|
||
|
}
|
||
|
|
||
|
return inputValue;
|
||
|
}
|
||
|
|
||
|
export const GraphQLFloat = new GraphQLScalarType({
|
||
|
name: 'Float',
|
||
|
description: 'The `Float` scalar type represents signed double-precision fractional values as specified by [IEEE 754](https://en.wikipedia.org/wiki/IEEE_floating_point).',
|
||
|
serialize: serializeFloat,
|
||
|
parseValue: coerceFloat,
|
||
|
|
||
|
parseLiteral(valueNode) {
|
||
|
if (valueNode.kind !== Kind.FLOAT && valueNode.kind !== Kind.INT) {
|
||
|
throw new GraphQLError(`Float cannot represent non numeric value: ${print(valueNode)}`, valueNode);
|
||
|
}
|
||
|
|
||
|
return parseFloat(valueNode.value);
|
||
|
}
|
||
|
|
||
|
}); // Support serializing objects with custom valueOf() or toJSON() functions -
|
||
|
// a common way to represent a complex value which can be represented as
|
||
|
// a string (ex: MongoDB id objects).
|
||
|
|
||
|
function serializeObject(outputValue) {
|
||
|
if (isObjectLike(outputValue)) {
|
||
|
if (typeof outputValue.valueOf === 'function') {
|
||
|
const valueOfResult = outputValue.valueOf();
|
||
|
|
||
|
if (!isObjectLike(valueOfResult)) {
|
||
|
return valueOfResult;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (typeof outputValue.toJSON === 'function') {
|
||
|
// $FlowFixMe(>=0.90.0)
|
||
|
return outputValue.toJSON();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return outputValue;
|
||
|
}
|
||
|
|
||
|
function serializeString(outputValue) {
|
||
|
const coercedValue = serializeObject(outputValue); // Serialize string, boolean and number values to a string, but do not
|
||
|
// attempt to coerce object, function, symbol, or other types as strings.
|
||
|
|
||
|
if (typeof coercedValue === 'string') {
|
||
|
return coercedValue;
|
||
|
}
|
||
|
|
||
|
if (typeof coercedValue === 'boolean') {
|
||
|
return coercedValue ? 'true' : 'false';
|
||
|
}
|
||
|
|
||
|
if (isFinite(coercedValue)) {
|
||
|
return coercedValue.toString();
|
||
|
}
|
||
|
|
||
|
throw new GraphQLError(`String cannot represent value: ${inspect(outputValue)}`);
|
||
|
}
|
||
|
|
||
|
function coerceString(inputValue) {
|
||
|
if (typeof inputValue !== 'string') {
|
||
|
throw new GraphQLError(`String cannot represent a non string value: ${inspect(inputValue)}`);
|
||
|
}
|
||
|
|
||
|
return inputValue;
|
||
|
}
|
||
|
|
||
|
export const GraphQLString = new GraphQLScalarType({
|
||
|
name: 'String',
|
||
|
description: 'The `String` scalar type represents textual data, represented as UTF-8 character sequences. The String type is most often used by GraphQL to represent free-form human-readable text.',
|
||
|
serialize: serializeString,
|
||
|
parseValue: coerceString,
|
||
|
|
||
|
parseLiteral(valueNode) {
|
||
|
if (valueNode.kind !== Kind.STRING) {
|
||
|
throw new GraphQLError(`String cannot represent a non string value: ${print(valueNode)}`, valueNode);
|
||
|
}
|
||
|
|
||
|
return valueNode.value;
|
||
|
}
|
||
|
|
||
|
});
|
||
|
|
||
|
function serializeBoolean(outputValue) {
|
||
|
const coercedValue = serializeObject(outputValue);
|
||
|
|
||
|
if (typeof coercedValue === 'boolean') {
|
||
|
return coercedValue;
|
||
|
}
|
||
|
|
||
|
if (isFinite(coercedValue)) {
|
||
|
return coercedValue !== 0;
|
||
|
}
|
||
|
|
||
|
throw new GraphQLError(`Boolean cannot represent a non boolean value: ${inspect(coercedValue)}`);
|
||
|
}
|
||
|
|
||
|
function coerceBoolean(inputValue) {
|
||
|
if (typeof inputValue !== 'boolean') {
|
||
|
throw new GraphQLError(`Boolean cannot represent a non boolean value: ${inspect(inputValue)}`);
|
||
|
}
|
||
|
|
||
|
return inputValue;
|
||
|
}
|
||
|
|
||
|
export const GraphQLBoolean = new GraphQLScalarType({
|
||
|
name: 'Boolean',
|
||
|
description: 'The `Boolean` scalar type represents `true` or `false`.',
|
||
|
serialize: serializeBoolean,
|
||
|
parseValue: coerceBoolean,
|
||
|
|
||
|
parseLiteral(valueNode) {
|
||
|
if (valueNode.kind !== Kind.BOOLEAN) {
|
||
|
throw new GraphQLError(`Boolean cannot represent a non boolean value: ${print(valueNode)}`, valueNode);
|
||
|
}
|
||
|
|
||
|
return valueNode.value;
|
||
|
}
|
||
|
|
||
|
});
|
||
|
|
||
|
function serializeID(outputValue) {
|
||
|
const coercedValue = serializeObject(outputValue);
|
||
|
|
||
|
if (typeof coercedValue === 'string') {
|
||
|
return coercedValue;
|
||
|
}
|
||
|
|
||
|
if (isInteger(coercedValue)) {
|
||
|
return String(coercedValue);
|
||
|
}
|
||
|
|
||
|
throw new GraphQLError(`ID cannot represent value: ${inspect(outputValue)}`);
|
||
|
}
|
||
|
|
||
|
function coerceID(inputValue) {
|
||
|
if (typeof inputValue === 'string') {
|
||
|
return inputValue;
|
||
|
}
|
||
|
|
||
|
if (isInteger(inputValue)) {
|
||
|
return inputValue.toString();
|
||
|
}
|
||
|
|
||
|
throw new GraphQLError(`ID cannot represent value: ${inspect(inputValue)}`);
|
||
|
}
|
||
|
|
||
|
export const GraphQLID = new GraphQLScalarType({
|
||
|
name: 'ID',
|
||
|
description: 'The `ID` scalar type represents a unique identifier, often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as `"4"`) or integer (such as `4`) input value will be accepted as an ID.',
|
||
|
serialize: serializeID,
|
||
|
parseValue: coerceID,
|
||
|
|
||
|
parseLiteral(valueNode) {
|
||
|
if (valueNode.kind !== Kind.STRING && valueNode.kind !== Kind.INT) {
|
||
|
throw new GraphQLError('ID cannot represent a non-string and non-integer value: ' + print(valueNode), valueNode);
|
||
|
}
|
||
|
|
||
|
return valueNode.value;
|
||
|
}
|
||
|
|
||
|
});
|
||
|
export const specifiedScalarTypes = Object.freeze([GraphQLString, GraphQLInt, GraphQLFloat, GraphQLBoolean, GraphQLID]);
|
||
|
export function isSpecifiedScalarType(type) {
|
||
|
return specifiedScalarTypes.some(({
|
||
|
name
|
||
|
}) => type.name === name);
|
||
|
}
|