hugoWebsite/node_modules/rxjs/dist/cjs/internal/observable/generate.js

79 lines
3.7 KiB
JavaScript

"use strict";
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = 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 (_) 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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.generate = void 0;
var identity_1 = require("../util/identity");
var isScheduler_1 = require("../util/isScheduler");
var defer_1 = require("./defer");
var scheduleIterable_1 = require("../scheduled/scheduleIterable");
function generate(initialStateOrOptions, condition, iterate, resultSelectorOrScheduler, scheduler) {
var _a, _b;
var resultSelector;
var initialState;
if (arguments.length === 1) {
(_a = initialStateOrOptions, initialState = _a.initialState, condition = _a.condition, iterate = _a.iterate, _b = _a.resultSelector, resultSelector = _b === void 0 ? identity_1.identity : _b, scheduler = _a.scheduler);
}
else {
initialState = initialStateOrOptions;
if (!resultSelectorOrScheduler || isScheduler_1.isScheduler(resultSelectorOrScheduler)) {
resultSelector = identity_1.identity;
scheduler = resultSelectorOrScheduler;
}
else {
resultSelector = resultSelectorOrScheduler;
}
}
function gen() {
var state;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
state = initialState;
_a.label = 1;
case 1:
if (!(!condition || condition(state))) return [3, 4];
return [4, resultSelector(state)];
case 2:
_a.sent();
_a.label = 3;
case 3:
state = iterate(state);
return [3, 1];
case 4: return [2];
}
});
}
return defer_1.defer((scheduler
?
function () { return scheduleIterable_1.scheduleIterable(gen(), scheduler); }
:
gen));
}
exports.generate = generate;
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