web-atoms-core
Version:
148 lines • 7.41 kB
JavaScript
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define(["require", "exports", "../App", "../di/DISingleton", "../di/Inject"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var App_1 = require("../App");
var DISingleton_1 = require("../di/DISingleton");
var Inject_1 = require("../di/Inject");
var CacheService = /** @class */ (function () {
function CacheService(app) {
this.app = app;
this.cache = {};
}
CacheService.prototype.remove = function (key) {
var v = this.cache[key];
if (v) {
this.clear(v);
return v.value;
}
return null;
};
CacheService.prototype.getOrCreate = function (key, task) {
return __awaiter(this, void 0, void 0, function () {
var c, v, e_1;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
c = this.cache[key] || (this.cache[key] = {
key: key,
finalTTL: 3600
});
if (!c.value) {
c.value = task(c);
}
v = null;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, c.value];
case 2:
v = _a.sent();
return [3 /*break*/, 4];
case 3:
e_1 = _a.sent();
this.clear(c);
throw e_1;
case 4:
if (c.ttlSeconds !== undefined) {
if (typeof c.ttlSeconds === "number") {
c.finalTTL = c.ttlSeconds;
}
else {
c.finalTTL = c.ttlSeconds(v);
}
}
if (c.timeout) {
clearTimeout(c.timeout);
}
if (c.finalTTL) {
this.cache[key] = c;
c.timeout = setTimeout(function () {
c.timeout = 0;
_this.clear(c);
}, c.finalTTL * 1000);
}
else {
// this is the case where we do not want to store
this.clear(c);
}
return [4 /*yield*/, c.value];
case 5: return [2 /*return*/, _a.sent()];
}
});
});
};
CacheService.prototype.clear = function (ci) {
if (ci.timeout) {
clearTimeout(ci.timeout);
ci.timeout = 0;
}
this.cache[ci.key] = null;
delete this.cache[ci.key];
};
CacheService = __decorate([
DISingleton_1.default(),
__param(0, Inject_1.Inject),
__metadata("design:paramtypes", [App_1.App])
], CacheService);
return CacheService;
}());
exports.default = CacheService;
});
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