semantic-network
Version:
A utility library for manipulating a list of links that form a semantic interface to a network of resources.
139 lines • 7.06 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
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 (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 };
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PooledResource = void 0;
var semantic_link_1 = require("semantic-link");
var anylogger_1 = __importDefault(require("anylogger"));
var linkRelation_1 = require("../linkRelation");
var pooledResourceUtil_1 = require("./pooledResourceUtil");
var log = (0, anylogger_1.default)('PooledResource');
var noopUndefined = function () { return __awaiter(void 0, void 0, void 0, function () { return __generator(this, function (_a) {
return [2 /*return*/, undefined];
}); }); };
var PooledResource = /** @class */ (function () {
function PooledResource(resource) {
/**
* Default resolves returns a noop undefined
*/
this.defaultPooledResolver = function () { return noopUndefined; };
if (!resource) {
log.error('empty resource for pooled resources');
}
log.debug('pooled resource on %s', semantic_link_1.LinkUtil.getUri(resource, linkRelation_1.LinkRelation.Self));
this.contextResource = resource;
log.debug('make resolvers on pooled resource');
this.resolvers = this.makeResolvers();
}
Object.defineProperty(PooledResource.prototype, "resourceResolver", {
get: function () {
return this.pooledResource.bind(this);
},
enumerable: false,
configurable: true
});
/**
*
* @param rel known link relation of the resource resolved on the pooled resource context
* @param options
*/
PooledResource.prototype.resolve = function (rel, options) {
var _this = this;
// initialise on entry as resolver is not scoped on inner function
var pooledResolver = __assign({}, options).pooledResolver;
log.debug('pooled resource resolve on \'%s\': start', rel);
return function (document, options) { return __awaiter(_this, void 0, void 0, function () {
var resource;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
log.debug('resolve pooled %s %s', rel, semantic_link_1.LinkUtil.getUri(document, linkRelation_1.LinkRelation.Self));
if (!this.contextResource) return [3 /*break*/, 2];
return [4 /*yield*/, pooledResourceUtil_1.PooledResourceUtil.sync(this.contextResource, document, __assign(__assign({}, options), { rel: rel }))];
case 1:
resource = _a.sent();
/*
* process nested sync
*/
if (resource) {
log.debug('pooled resource nested sync: %s', semantic_link_1.LinkUtil.getUri(resource, linkRelation_1.LinkRelation.Self));
pooledResolver === null || pooledResolver === void 0 ? void 0 : pooledResolver(resource, document, options);
}
else {
log.debug('pooled resource nested sync not found');
}
log.debug('pooled resource resolve on \'%s\': end', rel);
return [2 /*return*/, resource];
case 2:
log.warn('context resource not found');
_a.label = 3;
case 3: return [2 /*return*/];
}
});
}); };
};
/**
* Access back to the keyed resolver
*/
PooledResource.prototype.pooledResource = function (type) {
if (this.resolvers[type]) {
log.debug('resolving resource pool type: %s', type);
return this.resolvers[type];
}
else {
log.debug('resolving resource pool type not found: %s', type);
return noopUndefined;
}
};
return PooledResource;
}());
exports.PooledResource = PooledResource;
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