[#94] Backend

https://project.mdnd-it.cc/work_packages/94

SerpentRace_Backend/node_modules/rimraf/dist/commonjs/retry-busy.js

@@ -0,0 +1,68 @@
+"use strict";
+// note: max backoff is the maximum that any *single* backoff will do
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.retryBusySync = exports.retryBusy = exports.codes = exports.MAXRETRIES = exports.RATE = exports.MAXBACKOFF = void 0;
+exports.MAXBACKOFF = 200;
+exports.RATE = 1.2;
+exports.MAXRETRIES = 10;
+exports.codes = new Set(['EMFILE', 'ENFILE', 'EBUSY']);
+const retryBusy = (fn) => {
+    const method = async (path, opt, backoff = 1, total = 0) => {
+        const mbo = opt.maxBackoff || exports.MAXBACKOFF;
+        const rate = opt.backoff || exports.RATE;
+        const max = opt.maxRetries || exports.MAXRETRIES;
+        let retries = 0;
+        while (true) {
+            try {
+                return await fn(path);
+            }
+            catch (er) {
+                const fer = er;
+                if (fer?.path === path && fer?.code && exports.codes.has(fer.code)) {
+                    backoff = Math.ceil(backoff * rate);
+                    total = backoff + total;
+                    if (total < mbo) {
+                        return new Promise((res, rej) => {
+                            setTimeout(() => {
+                                method(path, opt, backoff, total).then(res, rej);
+                            }, backoff);
+                        });
+                    }
+                    if (retries < max) {
+                        retries++;
+                        continue;
+                    }
+                }
+                throw er;
+            }
+        }
+    };
+    return method;
+};
+exports.retryBusy = retryBusy;
+// just retries, no async so no backoff
+const retryBusySync = (fn) => {
+    const method = (path, opt) => {
+        const max = opt.maxRetries || exports.MAXRETRIES;
+        let retries = 0;
+        while (true) {
+            try {
+                return fn(path);
+            }
+            catch (er) {
+                const fer = er;
+                if (fer?.path === path &&
+                    fer?.code &&
+                    exports.codes.has(fer.code) &&
+                    retries < max) {
+                    retries++;
+                    continue;
+                }
+                throw er;
+            }
+        }
+    };
+    return method;
+};
+exports.retryBusySync = retryBusySync;
+//# sourceMappingURL=retry-busy.js.map