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muayyad-alsadimuayyad-alsadi
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example nodejs project
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‎examples/nodeproj/.eslintrc.json‎

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{
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"env": {
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"node": true,
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"es6": true
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},
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"settings": {
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"import/resolver": {
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"node": {
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"extensions": [".js", ".mjs", ".ts", ".cjs"]
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}
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}
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},
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"parser": "@typescript-eslint/parser",
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"parserOptions": {
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"ecmaVersion": 2020,
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"sourceType": "module",
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"allowImportExportEverywhere": true
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},
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"extends": [
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"eslint:recommended",
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"plugin:import/errors",
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"plugin:import/warnings",
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"plugin:import/typescript",
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"plugin:promise/recommended",
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"google",
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"plugin:security/recommended"
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],
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"plugins": ["promise", "security", "import"],
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"overrides": [
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{
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"files": "public/**/*.min.js",
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"env": {
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"browser": true,
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"node": false,
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"es6": false
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},
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"parserOptions": {
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"sourceType": "script"
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},
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"extends": ["plugin:compat/recommended"],
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"plugins": [],
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"rules": {
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"no-var": ["off"]
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}
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}
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],
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"rules": {
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"security/detect-non-literal-fs-filename":["off"],
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"security/detect-object-injection":["off"],
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"camelcase": ["off"],
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"no-console": ["off"],
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"require-jsdoc": ["off"],
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"one-var": ["off"],
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"guard-for-in": ["off"],
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"max-len": [
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"warn",
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{
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"ignoreComments": true,
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"ignoreTrailingComments": true,
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"ignoreUrls": true,
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"code": 200
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}
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],
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"indent": ["warn", 4],
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"no-unused-vars": ["warn"],
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"no-extra-semi": ["warn"],
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"linebreak-style": ["error", "unix"],
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"quotes": ["warn", "double"],
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"semi": ["error", "always"]
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}
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}

‎examples/nodeproj/.gitignore‎

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charmander-local.rc
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.DS_Store
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*~
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*.seed
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*.log
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*.pid
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node_modules

‎examples/nodeproj/.home/.gitignore‎

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*

‎examples/nodeproj/README.md‎

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# How to run example
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```
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cp example.env local.env
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podman-compose build
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podman-compose run --rm --no-deps init
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podman-compose up
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```
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‎examples/nodeproj/containers/node16-runtime/Dockerfile‎

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FROM registry.fedoraproject.org/fedora-minimal:35
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ARG NODE_VER=16
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# microdnf -y module enable nodejs:${NODE_VER}
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RUN \
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echo -e "[nodejs]\nname=nodejs\nstream=${NODE_VER}\nprofiles=\nstate=enabled\n" > /etc/dnf/modules.d/nodejs.module && \
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microdnf -y install shadow-utils nodejs zopfli findutils busybox && \
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microdnf clean all
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RUN adduser -d /app app && mkdir -p /app/code/.home && chown app:app -R /app/code && chmod 711 /app /app/code/.home && usermod -d /app/code/.home app
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ENV XDG_CONFIG_HOME=/app/code/.home
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ENV HOME=/app/code/.home
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WORKDIR /app/code
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‎examples/nodeproj/docker-compose.yml‎

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version: '3'
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volumes:
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redis:
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services:
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redis:
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read_only: true
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image: docker.io/redis:alpine
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command: ["redis-server", "--appendonly", "yes", "--notify-keyspace-events", "Ex"]
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volumes:
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- redis:/data
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tmpfs:
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- /tmp
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- /var/run
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- /run
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init:
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read_only: true
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userns_mode: keep-id
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build:
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context: ./containers/${NODE_IMG:-node16-runtime}
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image: ${NODE_IMG:-node16-runtime}
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env_file:
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- local.env
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volumes:
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- .:/app/code
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command: ["/bin/sh", "-c", "mkdir -p ~/; [ -d ./node_modules ] && echo '** node_modules exists' || npm install"]
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tmpfs:
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- /tmp
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- /run
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task:
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extends:
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service: init
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command: ["npm", "run", "cli", "--", "task"]
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links:
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- redis
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depends_on:
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- redis
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web:
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extends:
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service: init
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command: ["npm", "run", "cli", "--", "web"]
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ports:
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- ${WEB_LISTEN_PORT:-3000}:3000
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depends_on:
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- redis
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links:
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- mongo
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‎examples/nodeproj/example.env‎

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REDIS_HOST=redis
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‎examples/nodeproj/index.js‎

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#! /usr/bin/env node
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"use strict";
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import {start} from "./lib";
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start();
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‎examples/nodeproj/jsconfig.json‎

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{
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"compilerOptions": {
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"target": "es2020",
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"module": "es2020",
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"moduleResolution": "node",
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"allowSyntheticDefaultImports": true
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},
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"files": [
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"index.js"
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],
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"include": [
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"lib/**/*.js"
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]
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}

‎examples/nodeproj/lib/commands/task.js‎

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"use strict";
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import {proj} from "../proj";
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async function loop() {
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const poped = await proj.predis.blpop("queue", 5);
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const task_desc_s = poped[1];
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let task_desc;
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try {
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task_desc = JSON.parse(task_desc_s);
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} catch (e) {
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proj.logger.exception(e);
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}
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proj.logger.info("got task "+task_desc.func);
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const func = task_desc.func;
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const args = task_desc.args;
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if (typeof(proj.tasks[func])!="function") {
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console.log(`task ${func} not found`);
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process.exit(-1)
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}
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try {
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await ((this.tasks[func])(...args));
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} catch (e) {
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console.exception(e);
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}
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}
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export async function start() {
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while(true) {
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loop();
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}
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}

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