npm scripts --args All In One

npm --

# linux
$ 
# windows
$ 

demo

# ??? -- reuse
$ npm run dev  -- --port=8090 -- --env='pre'

$ npm run dev -- --port=8090 --env=pre

$ yarn dev  --port=8090 --env='pre'

$ yarn dev  --port=8090 --env=pre

const PROXYS = {
  'dev': 'https://dev.xgqfrms.xyz'',
  'pre': 'https://pre.xgqfrms.xyz',
  'prod': 'https://prod.xgqfrms.xyz',
};

    let PORT_ENV = 8080;
    let PROXY_ENV = PROXYS['dev'];
    // const args = argv.slice(2) || [];
    for (let arg of process.argv) {
        if (arg.startsWith('--port=')) {
            const port = arg.replace('--port=', '');
            if (port) {
                PORT_ENV = Number.parseInt(port, 10);
            }
        }
        if (arg.startsWith('--env=')) {
            const env = arg.replace('--env=', '');
            if (env) {
                PROXY_ENV = PROXYS[env];
            }
        }
    }

npm -- args

https://docs.npmjs.com/cli/v7/using-npm/config

https://docs.npmjs.com/cli/v7/using-npm/config#command-line-flags

$ --flag
# 等价于
$ --flag=true

https://www.twilio.com/blog/npm-scripts

https://www.npmjs.com/package/nrm

refs

https://docs.npmjs.com/cli/v7/

https://www.runoob.com/nodejs/nodejs-npm.html

https://www.ruanyifeng.com/blog/2016/10/npm_scripts.html

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