@wener/console
Version:
Base console UI toolkit
309 lines (308 loc) • 11.6 kB
JavaScript
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 _async_to_generator(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);
});
};
}
function _define_property(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _object_spread(target) {
for(var i = 1; i < arguments.length; i++){
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source);
if (typeof Object.getOwnPropertySymbols === "function") {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
}
ownKeys.forEach(function(key) {
_define_property(target, key, source[key]);
});
}
return target;
}
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
if (enumerableOnly) {
symbols = symbols.filter(function(sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
});
}
keys.push.apply(keys, symbols);
}
return keys;
}
function _object_spread_props(target, source) {
source = source != null ? source : {};
if (Object.getOwnPropertyDescriptors) {
Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
} else {
ownKeys(Object(source)).forEach(function(key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
return target;
}
function _ts_generator(thisArg, body) {
var f, y, t, _ = {
label: 0,
sent: function() {
if (t[0] & 1) throw t[1];
return t[1];
},
trys: [],
ops: []
}, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype), d = Object.defineProperty;
return d(g, "next", {
value: verb(0)
}), d(g, "throw", {
value: verb(1)
}), d(g, "return", {
value: verb(2)
}), typeof Symbol === "function" && d(g, Symbol.iterator, {
value: function() {
return this;
}
}), g;
function verb(n) {
return function(v) {
return step([
n,
v
]);
};
}
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while(g && (g = 0, op[0] && (_ = 0)), _)try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [
op[0] & 2,
t.value
];
switch(op[0]){
case 0:
case 1:
t = op;
break;
case 4:
_.label++;
return {
value: op[1],
done: false
};
case 5:
_.label++;
y = op[1];
op = [
0
];
continue;
case 7:
op = _.ops.pop();
_.trys.pop();
continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) {
_ = 0;
continue;
}
if (op[0] === 3 && (!t || op[1] > t[0] && op[1] < t[3])) {
_.label = op[1];
break;
}
if (op[0] === 6 && _.label < t[1]) {
_.label = t[1];
t = op;
break;
}
if (t && _.label < t[2]) {
_.label = t[2];
_.ops.push(op);
break;
}
if (t[2]) _.ops.pop();
_.trys.pop();
continue;
}
op = body.call(thisArg, _);
} catch (e) {
op = [
6,
e
];
y = 0;
} finally{
f = t = 0;
}
if (op[0] & 5) throw op[1];
return {
value: op[0] ? op[1] : void 0,
done: true
};
}
}
// https://gist.github.com/reconbot/c888c0f5c4cc1ac60db14fa389259cec
import DataLoader from 'dataloader';
import { LRUCache } from 'lru-cache';
import { map, pipe } from 'wonka';
var batchFetch = function(loader) {
return function(url, options) {
return loader.load({
url: url,
options: options
});
};
};
var loadBatch = function(fetcher) {
return function(requests) {
return _async_to_generator(function() {
var requestBody, response, bodies, status, statusText, ok, headers, url;
return _ts_generator(this, function(_state) {
switch(_state.label){
case 0:
if (!(requests.length === 1)) return [
3,
2
];
return [
4,
fetcher(requests[0].url, requests[0].options)
];
case 1:
return [
2,
[
_state.sent()
]
];
case 2:
requestBody = requests.map(function(req) {
var _req_options_body, _req_options;
var _ref;
return JSON.parse((_ref = (_req_options = req.options) === null || _req_options === void 0 ? void 0 : (_req_options_body = _req_options.body) === null || _req_options_body === void 0 ? void 0 : _req_options_body.toString()) !== null && _ref !== void 0 ? _ref : '{}');
}).map(function(body) {
return {
query: body.query,
operationName: body.operationName,
variables: body.variables,
extensions: body.extensions
};
});
return [
4,
fetcher(requests[0].url, _object_spread_props(_object_spread({}, requests[0].options), {
body: JSON.stringify(requestBody)
}))
];
case 3:
response = _state.sent();
return [
4,
response.json()
];
case 4:
bodies = _state.sent();
status = response.status, statusText = response.statusText, ok = response.ok, headers = response.headers, url = response.url;
return [
2,
bodies.map(function(body) {
return {
url: url,
headers: headers,
status: status,
statusText: statusText,
ok: ok,
json: function() {
return _async_to_generator(function() {
return _ts_generator(this, function(_state) {
return [
2,
body
];
});
})();
},
text: function() {
return _async_to_generator(function() {
return _ts_generator(this, function(_state) {
return [
2,
JSON.stringify(body)
];
});
})();
}
};
})
];
}
});
})();
};
};
// You want to put your own logic here - I want to opt out of batching per `useQuery({ query, context: useMemo(() => ({ batch: false }), []) })`
// but you do you!
var shouldBatch = function(operation) {
var _operation_context_batch;
return operation.kind === 'query' && ((_operation_context_batch = operation.context.batch) !== null && _operation_context_batch !== void 0 ? _operation_context_batch : true);
};
export var batchFetchExchange = function(options) {
var fetcher = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : fetch;
return function(param) {
var forward = param.forward;
var loader = new DataLoader(loadBatch(fetcher), _object_spread({
// short-lived cache
cacheMap: new LRUCache({
max: 2000,
ttl: 60 * 1000
})
}, options));
return function(ops$) {
return pipe(ops$, map(function(operation) {
var _$fetch = shouldBatch(operation) ? batchFetch(loader) : operation.context.fetch;
return _object_spread_props(_object_spread({}, operation), {
context: _object_spread_props(_object_spread({}, operation.context), {
fetch: _$fetch
})
});
}), forward);
};
};
};