Removes microtime dependency (#1036)

* removes microtime dependency

* lint fix

* reverting mt fix

* removes microtime

.gitignore

@@ -8,3 +8,4 @@ shelljs_*
 test_tmp/
 tmp/
 .eslintcache
+dist/**/*.bak

package.json

@@ -62,9 +62,9 @@
     "lint": "eslint src test config --cache",
     "clear": "rimraf -rf ./dist && rimraf -rf ./gen",
     "build:es6node": "rimraf -rf dist/esnode && cross-env NODE_ENV=es6 babel src --out-dir dist/esnode && echo '{ \"type\": \"module\" }' > dist/esnode/package.json",
-    "build:es6browser": "rimraf -rf dist/esbrowser && cross-env NODE_ENV=es6 babel src --out-dir dist/esbrowser && grep -rl NodeMethod dist/esbrowser/ | xargs sed -i 's/.*NodeMethod.*//' && echo '{ \"type\": \"module\" }' > dist/esbrowser/package.json",
+    "build:es6browser": "rimraf -rf dist/esbrowser && cross-env NODE_ENV=es6 babel src --out-dir dist/esbrowser && grep -rl NodeMethod dist/esbrowser | xargs sed -i.bak '/.*NodeMethod.*/d' && echo '{ \"type\": \"module\" }' > dist/esbrowser/package.json",
     "build:es5node": "cross-env NODE_ENV=es5 babel src --out-dir dist/es5node",
-    "build:es5browser": "cross-env NODE_ENV=es5 babel src --out-dir dist/lib && grep -rl NodeMethod dist/lib/ | xargs sed -i 's/.*NodeMethod.*//'",
+    "build:es5browser": "cross-env NODE_ENV=es5 babel src --out-dir dist/lib && grep -rl NodeMethod dist/lib | xargs sed -i.bak '/.*NodeMethod.*/d'",
     "build:test": "cross-env NODE_ENV=es5 babel test --out-dir test_tmp",
     "build:index": "browserify test_tmp/scripts/index.js > docs/index.js",
     "build:browser": "browserify test_tmp/scripts/e2e.js > docs/e2e.js",
@@ -84,7 +84,6 @@
   "dependencies": {
     "@babel/runtime": "^7.16.0",
     "detect-node": "^2.1.0",
-    "microtime": "3.1.1",
     "oblivious-set": "1.1.1",
     "p-queue": "6.6.2",
     "rimraf": "3.0.2",

src/methods/node.js

@@ -10,7 +10,6 @@ import os from 'os';
 import events from 'events';
 import net from 'net';
 import path from 'path';
-import micro from 'microtime';
 import rimraf from 'rimraf';
 import isNode from 'detect-node';
 import PQueue from 'p-queue';
@@ -357,16 +356,14 @@ export function readMessage(messageObj) {
 }
 
 export async function cleanOldMessages(messageObjects, ttl) {
-    const olderThen = Date.now() - ttl;
+    const olderThen = microSeconds() - (ttl * 1000); // convert ttl to microseconds
     await Promise.all(
         messageObjects
-            .filter(obj => (obj.time / 1000) < olderThen)
+            .filter(obj => obj.time < olderThen)
             .map(obj => unlink(obj.path).catch(() => null))
     );
 }
 
-
-
 export const type = 'node';
 
 /**
@@ -681,5 +678,10 @@ export function averageResponseTime() {
 }
 
 export function microSeconds() {
-    return parseInt(micro.now());
+    // convert nano to micro seconds
+    return parseInt(now() / 1000);
 }
+
+function now() {
+    return Number(process.hrtime.bigint()); // returns nanoseconds
+}