graphql-yoga
Version:
118 lines (117 loc) • 3.81 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.useCheckGraphQLQueryParams = exports.isValidGraphQLParams = exports.checkGraphQLQueryParams = exports.assertInvalidParams = void 0;
const utils_1 = require("@graphql-tools/utils");
const EXPECTED_PARAMS = ['query', 'variables', 'operationName', 'extensions'];
function assertInvalidParams(params) {
for (const paramKey in params) {
if (!EXPECTED_PARAMS.includes(paramKey)) {
throw (0, utils_1.createGraphQLError)(`Unexpected parameter "${paramKey}" in the request body.`, {
extensions: {
http: {
status: 400,
},
},
});
}
}
}
exports.assertInvalidParams = assertInvalidParams;
function checkGraphQLQueryParams(params) {
if (!isObject(params)) {
throw (0, utils_1.createGraphQLError)(`Expected params to be an object but given ${extendedTypeof(params)}.`, {
extensions: {
http: {
status: 400,
headers: {
Allow: 'GET, POST',
},
},
},
});
}
assertInvalidParams(params);
if (params.query == null) {
throw (0, utils_1.createGraphQLError)('Must provide query string.', {
extensions: {
http: {
status: 400,
headers: {
Allow: 'GET, POST',
},
},
},
});
}
const queryType = extendedTypeof(params.query);
if (queryType !== 'string') {
throw (0, utils_1.createGraphQLError)(`Expected "query" param to be a string, but given ${queryType}.`, {
extensions: {
http: {
status: 400,
headers: {
Allow: 'GET, POST',
},
},
},
});
}
const variablesParamType = extendedTypeof(params.variables);
if (!['object', 'null', 'undefined'].includes(variablesParamType)) {
throw (0, utils_1.createGraphQLError)(`Expected "variables" param to be empty or an object, but given ${variablesParamType}.`, {
extensions: {
http: {
status: 400,
headers: {
Allow: 'GET, POST',
},
},
},
});
}
const extensionsParamType = extendedTypeof(params.extensions);
if (!['object', 'null', 'undefined'].includes(extensionsParamType)) {
throw (0, utils_1.createGraphQLError)(`Expected "extensions" param to be empty or an object, but given ${extensionsParamType}.`, {
extensions: {
http: {
status: 400,
headers: {
Allow: 'GET, POST',
},
},
},
});
}
return params;
}
exports.checkGraphQLQueryParams = checkGraphQLQueryParams;
function isValidGraphQLParams(params) {
try {
checkGraphQLQueryParams(params);
return true;
}
catch {
return false;
}
}
exports.isValidGraphQLParams = isValidGraphQLParams;
function useCheckGraphQLQueryParams() {
return {
onParams({ params }) {
checkGraphQLQueryParams(params);
},
};
}
exports.useCheckGraphQLQueryParams = useCheckGraphQLQueryParams;
function extendedTypeof(val) {
if (val === null) {
return 'null';
}
if (Array.isArray(val)) {
return 'array';
}
return typeof val;
}
function isObject(val) {
return extendedTypeof(val) === 'object';
}