@looker/sdk-rtl
Version:
Looker SDK Runtime Library
271 lines (270 loc) • 10.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.BrowserTransport = exports.BrowserCryptoHash = void 0;
var _transport = require("./transport");
var _baseTransport = require("./baseTransport");
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
class BrowserCryptoHash {
arrayToHex(array) {
return Array.from(array).map(b => b.toString(16).padStart(2, '0')).join('');
}
fromBase64(str) {
return atob(str).split('').map(function (c) {
return c.charCodeAt(0);
});
}
secureRandom(byteCount) {
var bytes = new Uint8Array(byteCount);
window.crypto.getRandomValues(bytes);
return this.arrayToHex(bytes);
}
sha256Hash(message) {
return _asyncToGenerator(function* () {
var msgUint8 = new TextEncoder().encode(message);
var hashBuffer = yield window.crypto.subtle.digest('SHA-256', msgUint8);
return (0, _transport.safeBase64)(new Uint8Array(hashBuffer));
})();
}
}
exports.BrowserCryptoHash = BrowserCryptoHash;
class BrowserTransport extends _baseTransport.BaseTransport {
constructor(options) {
super(options);
this.options = options;
}
static supportsPerformance() {
return !!(performance && performance.mark && performance.measure);
}
static get trackPerformance() {
return this._trackPerf;
}
static set trackPerformance(value) {
this._trackPerf = value && BrowserTransport.supportsPerformance();
}
static mark(name, tag) {
if (this.trackPerformance) {
var mark = "".concat(name, "-").concat(tag);
performance.mark(mark);
return mark;
}
return '';
}
static markName(url) {
if (!this.trackPerformance) return '';
var entries = performance.getEntriesByName(url, 'resource');
if (entries.length > 0) {
var last = entries[entries.length - 1];
return "".concat(url, "-").concat(last.startTime);
}
return url;
}
static markStart(name) {
return BrowserTransport.mark(name, BrowserTransport.startMark);
}
static markEnd(url, startName) {
if (this.trackPerformance) {
var measureName = this.markName(url);
var end = BrowserTransport.mark(measureName, BrowserTransport.endMark);
performance.measure(measureName, startName, end);
performance.clearMarks(startName);
performance.clearMarks(end);
return measureName;
}
return '';
}
retry(request) {
var _this = this;
return _asyncToGenerator(function* () {
var _request$options, _newOpts$maxTries;
var {
method,
path,
queryParams,
body,
authenticator
} = request;
var newOpts = (0, _transport.mergeOptions)(_this.options, (_request$options = request.options) !== null && _request$options !== void 0 ? _request$options : {});
var requestPath = _this.makeUrl(path, newOpts, queryParams);
var props = yield _this.initRequest(method, requestPath, body, authenticator, newOpts);
var waiter = newOpts.waitHandler || _transport.retryWait;
var response = (0, _transport.initResponse)(method, requestPath);
var maxRetries = (_newOpts$maxTries = newOpts === null || newOpts === void 0 ? void 0 : newOpts.maxTries) !== null && _newOpts$maxTries !== void 0 ? _newOpts$maxTries : 1;
var attempt = 1;
var _loop = function* _loop() {
var req = fetch(props.url, props);
var requestStarted = Date.now();
var res = yield req;
var responseCompleted = Date.now();
var started = BrowserTransport.markStart(BrowserTransport.markName(requestPath));
var contentType = String(res.headers.get('content-type'));
var mode = (0, _transport.responseMode)(contentType);
var responseBody = mode === _transport.ResponseMode.binary ? yield res.blob() : yield res.text();
if (!('fromRequest' in newOpts)) {
BrowserTransport.markEnd(requestPath, started);
}
var headers = {};
res.headers.forEach((value, key) => headers[key] = value);
response = {
method,
url: requestPath,
body: responseBody,
contentType,
statusCode: res.status,
statusMessage: res.statusText,
startMark: started,
headers,
requestStarted,
responseCompleted,
ok: true
};
response.ok = _this.ok(response);
if ((0, _transport.canRetry)(response.statusCode) && attempt < maxRetries) {
var result = yield (0, _transport.pauseForRetry)(request, response, attempt, waiter);
if (result.response === 'cancel') {
if (result.reason) {
response.statusMessage = result.reason;
}
return "break";
} else if (result.response === 'error') {
if (result.reason) {
response.statusMessage = result.reason;
}
return {
v: (0, _transport.retryError)(response)
};
}
} else {
return "break";
}
attempt++;
};
while (attempt <= maxRetries) {
var _ret = yield* _loop();
if (_ret === "break") break;
if (typeof _ret === "object") return _ret.v;
}
return response;
})();
}
rawRequest(method, path, queryParams, body, authenticator, options) {
var _this2 = this;
return _asyncToGenerator(function* () {
var response = yield _this2.retry({
method,
path,
queryParams,
body,
authenticator,
options
});
return _this2.observer ? _this2.observer(response) : response;
})();
}
parseResponse(res) {
return _asyncToGenerator(function* () {
var perfMark = res.startMark || '';
if (!res.ok) {
var _error = res.body;
if (typeof _error === 'string') {
try {
_error = JSON.parse(_error);
} catch (_unused) {
_error = {
message: "Request failed: ".concat(_error)
};
}
}
var response = {
ok: false,
error: _error
};
return response;
}
var value;
var error;
if (res.contentType.match(/application\/json/g)) {
try {
value = JSON.parse(yield res.body);
BrowserTransport.markEnd(res.url, perfMark);
} catch (err) {
error = err;
BrowserTransport.markEnd(res.url, perfMark);
}
} else if (res.contentType === 'text' || res.contentType.startsWith('text/')) {
value = res.body.toString();
BrowserTransport.markEnd(res.url, perfMark);
} else {
try {
BrowserTransport.markEnd(res.url, perfMark);
value = res.body;
} catch (err) {
BrowserTransport.markEnd(res.url, perfMark);
error = err;
}
}
var result;
if (error) {
result = {
ok: false,
error: error
};
} else {
result = {
ok: true,
value
};
}
return result;
})();
}
request(method, path, queryParams, body, authenticator, options) {
var _this3 = this;
return _asyncToGenerator(function* () {
try {
if (BrowserTransport.trackPerformance) {
options = _objectSpread(_objectSpread({}, options), {}, {
fromRequest: true
});
}
var res = yield _this3.rawRequest(method, path, queryParams, body, authenticator, options);
var result = yield _this3.parseResponse(res);
return result;
} catch (e) {
if (!(0, _transport.isErrorLike)(e)) throw e;
var error = {
message: typeof e.message === 'string' ? e.message : "The SDK call was not successful. The error was '".concat(e, "'."),
type: 'sdk_error'
};
return {
error,
ok: false
};
}
})();
}
stream(callback, method, path, queryParams, body, authenticator, options) {
var _this4 = this;
return _asyncToGenerator(function* () {
var newOpts = _objectSpread(_objectSpread({}, _this4.options), {}, {
options
});
var requestPath = _this4.makeUrl(path, newOpts, queryParams);
var init = yield _this4.initRequest(method, requestPath, body, authenticator, newOpts);
var response = yield fetch(requestPath, init);
return yield callback(response);
})();
}
}
exports.BrowserTransport = BrowserTransport;
_defineProperty(BrowserTransport, "_trackPerf", false);
_defineProperty(BrowserTransport, "startMark", 'A');
_defineProperty(BrowserTransport, "endMark", 'B');
//# sourceMappingURL=browserTransport.js.map