@gqlts/runtime
Version:
Gqlts runtime client
117 lines • 6.34 kB
JavaScript
import { __assign, __awaiter, __generator, __read, __rest, __values } from "tslib";
import { QueryBatcher } from './client/batcher';
import { extractFiles } from './extract-files/extract-files';
import axios from 'axios';
import FormData from 'form-data';
var DEFAULT_BATCH_OPTIONS = {
maxBatchSize: 10,
batchInterval: 40,
};
export function createFetcher(params) {
var _this = this;
var _a = params.url, url = _a === void 0 ? '' : _a, _b = params.timeout, timeout = _b === void 0 ? 100000 : _b, _c = params.headers, headers = _c === void 0 ? {} : _c, _d = params.batch, batch = _d === void 0 ? false : _d, rest = __rest(params, ["url", "timeout", "headers", "batch"]);
var fetcherMethod = params.fetcherMethod, fetcherInstance = params.fetcherInstance;
if (!url && !fetcherMethod) {
throw new Error('url or fetcher is required');
}
if (!fetcherInstance) {
fetcherInstance = axios.create({});
}
if (!fetcherMethod) {
fetcherMethod = function (body, config) { return __awaiter(_this, void 0, void 0, function () {
var _a, clone, files, hasFiles, formData, map_1, i_1, j, files_1, files_1_1, _b, file, headersObject, _c, _d, fetchBody;
var e_1, _e;
return __generator(this, function (_f) {
switch (_f.label) {
case 0:
_a = extractFiles(body), clone = _a.clone, files = _a.files;
hasFiles = (files === null || files === void 0 ? void 0 : files.size) > 0;
formData = undefined;
if (hasFiles) {
formData = new FormData();
// 1. First document is graphql query with variables
formData.append('operations', JSON.stringify(clone));
map_1 = {};
i_1 = 0;
files.forEach(function (paths) {
map_1[i_1++] = paths;
});
formData.append('map', JSON.stringify(map_1));
j = 0;
try {
for (files_1 = __values(files), files_1_1 = files_1.next(); !files_1_1.done; files_1_1 = files_1.next()) {
_b = __read(files_1_1.value, 1), file = _b[0];
formData.append("".concat(j++), file, file.name);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (files_1_1 && !files_1_1.done && (_e = files_1.return)) _e.call(files_1);
}
finally { if (e_1) throw e_1.error; }
}
}
_c = [__assign({}, (hasFiles ? {} : { 'Content-Type': 'application/json' }))];
if (!(typeof headers == 'function')) return [3 /*break*/, 2];
return [4 /*yield*/, headers()];
case 1:
_d = _f.sent();
return [3 /*break*/, 3];
case 2:
_d = headers;
_f.label = 3;
case 3:
headersObject = __assign.apply(void 0, [__assign.apply(void 0, _c.concat([(_d)])), (!!(formData === null || formData === void 0 ? void 0 : formData.getHeaders) && (formData === null || formData === void 0 ? void 0 : formData.getHeaders()))]);
fetchBody = hasFiles && formData ? formData : JSON.stringify(body);
return [2 /*return*/, fetcherInstance(__assign(__assign({ url: url, data: fetchBody, method: 'POST', headers: headersObject, timeout: timeout, withCredentials: true }, rest), config))
.then(function (res) {
if (res.status === 200) {
return res.data;
}
return {
data: null,
errors: [{ message: res.statusText, code: res.status, path: ['clientResponseNotOk'] }],
};
})
.catch(function (err) {
return { data: null, errors: [{ message: err.message, code: err.code, path: ['clientResponseError'] }] };
})];
}
});
}); };
}
if (!batch) {
return {
fetcherMethod: function (body, config) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!fetcherMethod) {
throw new Error('fetcher is required');
}
return [2 /*return*/, fetcherMethod(body, config)];
});
}); },
fetcherInstance: fetcherInstance,
};
}
// todo test batcher
var batcher = new QueryBatcher(function (batchedQuery, config) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
// console.log(batchedQuery) // [{ query: 'query{user{age}}', variables: {} }, ...]
if (!fetcherMethod) {
throw new Error('fetcher is not defined');
}
return [2 /*return*/, fetcherMethod(batchedQuery, config)];
});
}); }, batch === true ? DEFAULT_BATCH_OPTIONS : batch);
return {
fetcherMethod: function (_a, config_1) { return __awaiter(_this, [_a, config_1], void 0, function (_b, config) {
var query = _b.query, variables = _b.variables;
return __generator(this, function (_c) {
return [2 /*return*/, batcher.fetch({ query: query, variables: variables, config: config })];
});
}); },
fetcherInstance: fetcherInstance,
};
}
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