graphql-scalars
Version:
A collection of scalar types not included in base GraphQL.
66 lines (65 loc) • 2.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLSafeInt = exports.GraphQLSafeIntConfig = void 0;
// Based on https://github.com/stems/graphql-bigint/
const graphql_1 = require("graphql");
const error_js_1 = require("../error.js");
const utilities_js_1 = require("./utilities.js");
const specifiedByURL = 'https://www.ecma-international.org/ecma-262/#sec-number.issafeinteger';
exports.GraphQLSafeIntConfig = {
name: 'SafeInt',
description: 'The `SafeInt` scalar type represents non-fractional signed whole numeric values that are ' +
'considered safe as defined by the ECMAScript specification.',
specifiedByURL,
specifiedByUrl: specifiedByURL,
serialize(outputValue) {
const coercedValue = (0, utilities_js_1.serializeObject)(outputValue);
if (typeof coercedValue === 'boolean') {
return coercedValue ? 1 : 0;
}
let num = coercedValue;
if (typeof coercedValue === 'string' && coercedValue !== '') {
num = Number(coercedValue);
}
if (typeof num !== 'number' || !Number.isInteger(num)) {
throw (0, error_js_1.createGraphQLError)(`SafeInt cannot represent non-integer value: ${coercedValue}`);
}
if (!Number.isSafeInteger(num)) {
throw (0, error_js_1.createGraphQLError)('SafeInt cannot represent unsafe integer value: ' + coercedValue);
}
return num;
},
parseValue(inputValue) {
if (typeof inputValue !== 'number' || !Number.isInteger(inputValue)) {
throw (0, error_js_1.createGraphQLError)(`SafeInt cannot represent non-integer value: ${inputValue}`);
}
if (!Number.isSafeInteger(inputValue)) {
throw (0, error_js_1.createGraphQLError)(`SafeInt cannot represent unsafe integer value: ${inputValue}`);
}
return inputValue;
},
parseLiteral(valueNode) {
if (valueNode.kind !== graphql_1.Kind.INT) {
throw (0, error_js_1.createGraphQLError)(`SafeInt cannot represent non-integer value: ${(0, graphql_1.print)(valueNode)}`, {
nodes: valueNode,
});
}
const num = parseInt(valueNode.value, 10);
if (!Number.isSafeInteger(num)) {
throw (0, error_js_1.createGraphQLError)(`SafeInt cannot represent unsafe integer value: ${valueNode.value}`, {
nodes: valueNode,
});
}
return num;
},
extensions: {
codegenScalarType: 'number',
jsonSchema: {
title: 'SafeInt',
type: 'integer',
minimum: Number.MIN_SAFE_INTEGER,
maximum: Number.MAX_SAFE_INTEGER,
},
},
};
exports.GraphQLSafeInt = new graphql_1.GraphQLScalarType(exports.GraphQLSafeIntConfig);