@atomist/automation-client/lib/project/HasCache.js

Atomist API for software low-level client

"use strict";
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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Retrieve the value if stored in the cache. Otherwise compute with the given function
 * and store
 */
function retrieveOrCompute(t, key, how, cache = true) {
    return __awaiter(this, void 0, void 0, function* () {
        if (!cache) {
            return how(t);
        }
        if (!t.cache[key]) {
            t.cache[key] = how(t);
        }
        return t.cache[key];
    });
}
exports.retrieveOrCompute = retrieveOrCompute;
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