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"use strict";
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var __rest = (this && this.__rest) || function (s, e) {
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t[p] = s[p];
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.gql = exports.batchRequests = exports.request = exports.rawRequest = exports.GraphQLClient = exports.ClientError = void 0;
var cross_fetch_1 = __importStar(require("cross-fetch")), CrossFetch = cross_fetch_1;
var printer_1 = require("graphql/language/printer");
var createRequestBody_1 = __importDefault(require("./createRequestBody"));
var types_1 = require("./types");
Object.defineProperty(exports, "ClientError", { enumerable: true, get: function () { return types_1.ClientError; } });
/**
* Convert the given headers configuration into a plain object.
*/
var resolveHeaders = function (headers) {
var oHeaders = {};
if (headers) {
if ((typeof Headers !== 'undefined' && headers instanceof Headers) ||
headers instanceof CrossFetch.Headers) {
oHeaders = HeadersInstanceToPlainObject(headers);
}
else if (Array.isArray(headers)) {
headers.forEach(function (_a) {
var name = _a[0], value = _a[1];
oHeaders[name] = value;
});
}
else {
oHeaders = headers;
}
}
return oHeaders;
};
/**
* Clean a GraphQL document to send it via a GET query
*
* @param {string} str GraphQL query
* @returns {string} Cleaned query
*/
var queryCleanner = function (str) { return str.replace(/([\s,]|#[^\n\r]+)+/g, ' ').trim(); };
/**
* Create query string for GraphQL request
*
* @param {object} param0 -
*
* @param {string|string[]} param0.query the GraphQL document or array of document if it's a batch request
* @param {string|undefined} param0.operationName the GraphQL operation name
* @param {any|any[]} param0.variables the GraphQL variables to use
*/
var buildGetQueryParams = function (_a) {
var query = _a.query, variables = _a.variables, operationName = _a.operationName;
if (!Array.isArray(query)) {
var search = ["query=" + encodeURIComponent(queryCleanner(query))];
if (variables) {
search.push("variables=" + encodeURIComponent(JSON.stringify(variables)));
}
if (operationName) {
search.push("operationName=" + encodeURIComponent(operationName));
}
return search.join('&');
}
if (typeof variables !== 'undefined' && !Array.isArray(variables)) {
throw new Error('Cannot create query with given variable type, array expected');
}
// Batch support
var payload = query.reduce(function (accu, currentQuery, index) {
accu.push({
query: queryCleanner(currentQuery),
variables: variables ? JSON.stringify(variables[index]) : undefined,
});
return accu;
}, []);
return "query=" + encodeURIComponent(JSON.stringify(payload));
};
/**
* Fetch data using POST method
*/
var post = function (_a) {
var url = _a.url, query = _a.query, variables = _a.variables, operationName = _a.operationName, headers = _a.headers, fetch = _a.fetch, fetchOptions = _a.fetchOptions;
return __awaiter(void 0, void 0, void 0, function () {
var body;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
body = createRequestBody_1.default(query, variables, operationName);
return [4 /*yield*/, fetch(url, __assign({ method: 'POST', headers: __assign(__assign({}, (typeof body === 'string' ? { 'Content-Type': 'application/json' } : {})), headers), body: body }, fetchOptions))];
case 1: return [2 /*return*/, _b.sent()];
}
});
});
};
/**
* Fetch data using GET method
*/
var get = function (_a) {
var url = _a.url, query = _a.query, variables = _a.variables, operationName = _a.operationName, headers = _a.headers, fetch = _a.fetch, fetchOptions = _a.fetchOptions;
return __awaiter(void 0, void 0, void 0, function () {
var queryParams;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
queryParams = buildGetQueryParams({
query: query,
variables: variables,
operationName: operationName,
});
return [4 /*yield*/, fetch(url + "?" + queryParams, __assign({ method: 'GET', headers: headers }, fetchOptions))];
case 1: return [2 /*return*/, _b.sent()];
}
});
});
};
/**
* todo
*/
var GraphQLClient = /** @class */ (function () {
function GraphQLClient(url, options) {
this.url = url;
this.options = options || {};
}
GraphQLClient.prototype.rawRequest = function (query, variables, requestHeaders) {
var _a = this.options, headers = _a.headers, _b = _a.fetch, fetch = _b === void 0 ? cross_fetch_1.default : _b, _c = _a.method, method = _c === void 0 ? 'POST' : _c, fetchOptions = __rest(_a, ["headers", "fetch", "method"]);
var url = this.url;
return makeRequest({
url: url,
query: query,
variables: variables,
headers: __assign(__assign({}, resolveHeaders(headers)), resolveHeaders(requestHeaders)),
operationName: undefined,
fetch: fetch,
method: method,
fetchOptions: fetchOptions,
});
};
/**
* Send a GraphQL document to the server.
*/
GraphQLClient.prototype.request = function (document, variables, requestHeaders) {
return __awaiter(this, void 0, void 0, function () {
var _a, headers, _b, fetch, _c, method, fetchOptions, url, _d, query, operationName, data;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
_a = this.options, headers = _a.headers, _b = _a.fetch, fetch = _b === void 0 ? cross_fetch_1.default : _b, _c = _a.method, method = _c === void 0 ? 'POST' : _c, fetchOptions = __rest(_a, ["headers", "fetch", "method"]);
url = this.url;
_d = resolveRequestDocument(document), query = _d.query, operationName = _d.operationName;
return [4 /*yield*/, makeRequest({
url: url,
query: query,
variables: variables,
headers: __assign(__assign({}, resolveHeaders(headers)), resolveHeaders(requestHeaders)),
operationName: operationName,
fetch: fetch,
method: method,
fetchOptions: fetchOptions,
})];
case 1:
data = (_e.sent()).data;
return [2 /*return*/, data];
}
});
});
};
/**
* Send a GraphQL document to the server.
*/
GraphQLClient.prototype.batchRequests = function (documents, requestHeaders) {
return __awaiter(this, void 0, void 0, function () {
var _a, headers, _b, fetch, _c, method, fetchOptions, url, queries, variables, data;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
_a = this.options, headers = _a.headers, _b = _a.fetch, fetch = _b === void 0 ? cross_fetch_1.default : _b, _c = _a.method, method = _c === void 0 ? 'POST' : _c, fetchOptions = __rest(_a, ["headers", "fetch", "method"]);
url = this.url;
queries = documents.map(function (_a) {
var document = _a.document;
return resolveRequestDocument(document).query;
});
variables = documents.map(function (_a) {
var variables = _a.variables;
return variables;
});
return [4 /*yield*/, makeRequest({
url: url,
query: queries,
variables: variables,
headers: __assign(__assign({}, resolveHeaders(headers)), resolveHeaders(requestHeaders)),
operationName: undefined,
fetch: fetch,
method: method,
fetchOptions: fetchOptions,
})];
case 1:
data = (_d.sent()).data;
return [2 /*return*/, data];
}
});
});
};
GraphQLClient.prototype.setHeaders = function (headers) {
this.options.headers = headers;
return this;
};
/**
* Attach a header to the client. All subsequent requests will have this header.
*/
GraphQLClient.prototype.setHeader = function (key, value) {
var _a;
var headers = this.options.headers;
if (headers) {
// todo what if headers is in nested array form... ?
//@ts-ignore
headers[key] = value;
}
else {
this.options.headers = (_a = {}, _a[key] = value, _a);
}
return this;
};
/**
* Change the client endpoint. All subsequent requests will send to this endpoint.
*/
GraphQLClient.prototype.setEndpoint = function (value) {
this.url = value;
return this;
};
return GraphQLClient;
}());
exports.GraphQLClient = GraphQLClient;
function makeRequest(_a) {
var url = _a.url, query = _a.query, variables = _a.variables, headers = _a.headers, operationName = _a.operationName, fetch = _a.fetch, _b = _a.method, method = _b === void 0 ? 'POST' : _b, fetchOptions = _a.fetchOptions;
return __awaiter(this, void 0, void 0, function () {
var fetcher, isBathchingQuery, response, result, successfullyReceivedData, headers_1, status_1, errorResult;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
fetcher = method.toUpperCase() === 'POST' ? post : get;
isBathchingQuery = Array.isArray(query);
return [4 /*yield*/, fetcher({
url: url,
query: query,
variables: variables,
operationName: operationName,
headers: headers,
fetch: fetch,
fetchOptions: fetchOptions,
})];
case 1:
response = _c.sent();
return [4 /*yield*/, getResult(response)];
case 2:
result = _c.sent();
successfullyReceivedData = isBathchingQuery && Array.isArray(result) ? !result.some(function (_a) {
var data = _a.data;
return !data;
}) : !!result.data;
if (response.ok && !result.errors && successfullyReceivedData) {
headers_1 = response.headers, status_1 = response.status;
return [2 /*return*/, __assign(__assign({}, (isBathchingQuery ? { data: result } : result)), { headers: headers_1, status: status_1 })];
}
else {
errorResult = typeof result === 'string' ? { error: result } : result;
throw new types_1.ClientError(__assign(__assign({}, errorResult), { status: response.status, headers: response.headers }), { query: query, variables: variables });
}
return [2 /*return*/];
}
});
});
}
/**
* todo
*/
function rawRequest(url, query, variables, requestHeaders) {
return __awaiter(this, void 0, void 0, function () {
var client;
return __generator(this, function (_a) {
client = new GraphQLClient(url);
return [2 /*return*/, client.rawRequest(query, variables, requestHeaders)];
});
});
}
exports.rawRequest = rawRequest;
/**
* Send a GraphQL Document to the GraphQL server for exectuion.
*
* @example
*
* ```ts
* // You can pass a raw string
*
* await request('https://foo.bar/graphql', `
* {
* query {
* users
* }
* }
* `)
*
* // You can also pass a GraphQL DocumentNode. Convenient if you
* // are using graphql-tag package.
*
* import gql from 'graphql-tag'
*
* await request('https://foo.bar/graphql', gql`...`)
*
* // If you don't actually care about using DocumentNode but just
* // want the tooling support for gql template tag like IDE syntax
* // coloring and prettier autoformat then note you can use the
* // passthrough gql tag shipped with graphql-request to save a bit
* // of performance and not have to install another dep into your project.
*
* import { gql } from 'graphql-request'
*
* await request('https://foo.bar/graphql', gql`...`)
* ```
*/
function request(url, document, variables, requestHeaders) {
return __awaiter(this, void 0, void 0, function () {
var client;
return __generator(this, function (_a) {
client = new GraphQLClient(url);
return [2 /*return*/, client.request(document, variables, requestHeaders)];
});
});
}
exports.request = request;
/**
* Send a batch of GraphQL Document to the GraphQL server for exectuion.
*
* @example
*
* ```ts
* // You can pass a raw string
*
* await batchRequests('https://foo.bar/graphql', [
* {
* query: `
* {
* query {
* users
* }
* }`
* },
* {
* query: `
* {
* query {
* users
* }
* }`
* }])
*
* // You can also pass a GraphQL DocumentNode as query. Convenient if you
* // are using graphql-tag package.
*
* import gql from 'graphql-tag'
*
* await batchRequests('https://foo.bar/graphql', [{ query: gql`...` }])
* ```
*/
function batchRequests(url, documents, requestHeaders) {
return __awaiter(this, void 0, void 0, function () {
var client;
return __generator(this, function (_a) {
client = new GraphQLClient(url);
return [2 /*return*/, client.batchRequests(documents, requestHeaders)];
});
});
}
exports.batchRequests = batchRequests;
exports.default = request;
/**
* todo
*/
function getResult(response) {
var contentType = response.headers.get('Content-Type');
if (contentType && contentType.startsWith('application/json')) {
return response.json();
}
else {
return response.text();
}
}
/**
* helpers
*/
function resolveRequestDocument(document) {
var _a;
if (typeof document === 'string')
return { query: document };
var operationName = undefined;
var operationDefinitions = document.definitions.filter(function (definition) { return definition.kind === 'OperationDefinition'; });
if (operationDefinitions.length === 1) {
operationName = (_a = operationDefinitions[0].name) === null || _a === void 0 ? void 0 : _a.value;
}
return { query: printer_1.print(document), operationName: operationName };
}
/**
* Convenience passthrough template tag to get the benefits of tooling for the gql template tag. This does not actually parse the input into a GraphQL DocumentNode like graphql-tag package does. It just returns the string with any variables given interpolated. Can save you a bit of performance and having to install another package.
*
* @example
*
* import { gql } from 'graphql-request'
*
* await request('https://foo.bar/graphql', gql`...`)
*
* @remarks
*
* Several tools in the Node GraphQL ecosystem are hardcoded to specially treat any template tag named "gql". For example see this prettier issue: https://github.com/prettier/prettier/issues/4360. Using this template tag has no runtime effect beyond variable interpolation.
*/
function gql(chunks) {
var variables = [];
for (var _i = 1; _i < arguments.length; _i++) {
variables[_i - 1] = arguments[_i];
}
return chunks.reduce(function (accumulator, chunk, index) { return "" + accumulator + chunk + (index in variables ? variables[index] : ''); }, '');
}
exports.gql = gql;
/**
* Convert Headers instance into regular object
*/
function HeadersInstanceToPlainObject(headers) {
var o = {};
headers.forEach(function (v, k) {
o[k] = v;
});
return o;
}
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