Add Code files
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
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*.json
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*.css
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/generated
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@@ -0,0 +1,99 @@
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{
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"root": true,
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"env": {
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"browser": true,
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"worker": true,
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"es2020": true
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},
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"globals": {
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"config": "readonly"
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},
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"extends": [
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"eslint:recommended",
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"plugin:@typescript-eslint/recommended"
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],
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"parser": "@typescript-eslint/parser",
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"parserOptions": {
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"ecmaVersion": "latest",
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"sourceType": "module",
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"impliedStrict": true
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},
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"plugins": [
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"@typescript-eslint"
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],
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"rules": {
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"brace-style": [
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"warn",
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"1tbs"
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],
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"dot-location": [
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"warn",
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"property"
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],
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"eol-last": [
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"warn",
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"always"
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],
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"indent": [
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"error",
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"tab"
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],
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"linebreak-style": "off",
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"max-len": [
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"off",
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{
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"code": 120,
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"tabWidth": 4
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}
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],
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"new-parens": [
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"error",
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"always"
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],
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"no-cond-assign": [
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"error",
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"except-parens"
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],
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"no-debugger": "warn",
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"no-dupe-else-if": "error",
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"no-empty": "warn",
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"no-multiple-empty-lines": [
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"warn",
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{
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"max": 1,
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"maxEOF": 1,
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"maxBOF": 0
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}
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],
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"no-prototype-builtins": "warn",
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"no-undef": "warn",
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"no-unreachable": "warn",
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"no-useless-catch": "warn",
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"quotes": [
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"error",
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"double"
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],
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"semi": [
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"error",
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"always"
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],
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"semi-spacing": [
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"warn",
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{
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"before": false,
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"after": true
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}
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],
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"semi-style": [
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"warn",
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"last"
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],
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"valid-typeof": "warn",
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"vars-on-top": "warn",
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"@typescript-eslint/no-inferrable-types": "off",
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"@typescript-eslint/no-namespace": "off",
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"@typescript-eslint/no-explicit-any": "off",
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"@typescript-eslint/no-empty-function": "warn",
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"@typescript-eslint/ban-ts-comment": "off"
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}
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}
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+16
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# Git
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/.git
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/.gitignore
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# Node, NPM, ESLint, TypeScript
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/node_modules
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/.eslintignore
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/.eslintrc.json
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/tsconfig.json
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/*.tgz
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.tsbuildinfo
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# Development files
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/.editorconfig
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/.vscode
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/workspace.code-workspace
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Vendored
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{
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// Use IntelliSense to learn about possible attributes.
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// Hover to view descriptions of existing attributes.
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// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"type": "node",
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"request": "launch",
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"name": "Launch Program",
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"skipFiles": [
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"<node_internals>/**"
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],
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"program": "${workspaceFolder}",
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//"preLaunchTask": "tsc: build"
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}
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]
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}
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Vendored
+42
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{
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"version": "2.0.0",
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"tasks": [
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{
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"type": "npm",
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"script": "install",
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"group": "build",
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"problemMatcher": [],
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"label": "npm: install",
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"detail": "Install dependencies via NPM"
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},
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{
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"type": "npm",
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"script": "clean-install",
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"group": "build",
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"problemMatcher": [],
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"label": "npm: clean-install",
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"detail": "Install dependencies via NPM cleanly"
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},
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{
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"type": "npm",
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"script": "fix",
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"group": "build",
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"problemMatcher": [],
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"label": "eslint: fix",
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"detail": "Let ESLint fix things."
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},
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{
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"type": "npm",
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"script": "build",
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"problemMatcher": [
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"$eslint-stylish",
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"$tsc"
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],
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"group": {
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"kind": "build",
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"isDefault": true
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},
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"label": "tsc: build"
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}
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]
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}
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Generated
+1679
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,24 @@
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{
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"name": "@xaymar/ratelimiter",
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"version": "0.1.0",
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"description": "A simple but effective way to rate limit Tasks in JavaScript.",
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"main": "generated/ratelimiter.js",
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"scripts": {
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"lint": "npx eslint ./source --ext .ts,.mts",
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"fix": "npx eslint ./source --ext .ts,.mts --fix",
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"compile": "npx tsc",
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"build": "npm run fix && npm run compile",
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"prepublish": "npm run build",
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"author": "Michael Fabian 'Xaymar' Dirks <info@xaymar.com>",
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"license": "GPLv3",
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"devDependencies": {
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"@types/express": "^4.17.17",
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"@types/node": "^18.15.3",
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"@typescript-eslint/eslint-plugin": "^5.43.0",
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"@typescript-eslint/parser": "^5.43.0",
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"eslint": "^8.27.0",
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"typescript": "^4.9.3"
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}
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}
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@@ -0,0 +1,95 @@
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// Copyright (C) 2023, Michael Fabian Dirks <info@xaymar.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// --------------------------------------------------------------------------------
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// Also available under a commercial license, contact info@xaymar.com for more information.
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// --------------------------------------------------------------------------------
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import os from "node:os";
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interface RateLimiterInstance {
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task?: Promise<any>,
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solver?: Promise<any>,
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}
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export type RateLimiterAsyncExecutor = (...args: any[]) => Promise<any>;
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export type RateLimiterSyncExecutor = (...args: any[]) => any;
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export type RateLimiterExecutor = RateLimiterSyncExecutor | RateLimiterAsyncExecutor;
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export class RateLimiter {
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private _maximum: number = 0;
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private _available: number = 0;
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private _instances: any[];
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constructor(limit?: number) {
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if (!limit) {
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this._maximum = Math.ceil(Math.max(1, os.cpus().length / 3 * 2));
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} else {
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this._maximum = limit;
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}
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this._available = this._maximum;
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this._instances = [];
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}
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async queue(executor: RateLimiterExecutor, ...args: any[]) {
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// Use async/await to find a free slot.
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while (this._available == 0) {
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await Promise.race(this._instances);
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}
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// Decrement the number of available slots.
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--this._available;
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// Once we have a slot, properly enqueue the work.
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const data: RateLimiterInstance = {};
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data.task = new Promise((resolve, reject) => {
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try {
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if (executor.constructor.name == "AsyncFunction") {
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executor().then((res: any) => {
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resolve(res);
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}, (err: any) => {
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reject(err);
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});
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} else {
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resolve(executor(...args));
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}
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} catch (ex) {
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reject(ex);
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}
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});
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data.solver = data.task.finally(() => {
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// Remove this promise from the locks list.
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const taskIndex = this._instances.indexOf(data.task);
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if (taskIndex >= 0) {
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this._instances.splice(taskIndex, 1);
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}
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const solverIndex = this._instances.indexOf(data.solver);
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if (solverIndex >= 0) {
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this._instances.splice(solverIndex, 1);
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}
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// Increment the number of available slots again.
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++this._available;
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});
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// Push this instance to the known instance list.
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this._instances.push(data.solver);
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// And return the result gained from running the runner.
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return await data.solver;
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}
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}
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@@ -0,0 +1,25 @@
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{
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"include": [
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"./source/**/*"
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],
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"compilerOptions": {
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"declaration": true,
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"declarationDir": "generated",
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"declarationMap": true,
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"esModuleInterop": true,
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"forceConsistentCasingInFileNames": true,
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"incremental": true,
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"module": "NodeNext",
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"moduleResolution": "NodeNext",
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"outDir": "generated",
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"removeComments": true,
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"rootDir": "source",
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"skipLibCheck": true,
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"sourceMap": true,
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"strict": true,
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"strictNullChecks": true,
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"target": "ES2020",
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"tsBuildInfoFile": "./generated/.tsbuildinfo",
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"useDefineForClassFields": true,
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}
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}
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@@ -0,0 +1,8 @@
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{
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"folders": [
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{
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"path": "."
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}
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],
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"settings": {}
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}
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