nv-cli-sync-and-async

• nv-cli-sync-and-async is a simple cli-tool
• creat sync-version of source-code AND async-version of source code

install

• npm install nv-cli-sync-and-async -g

usage

    Usage: nv_sync_and_async  [options]
    Options:
        -i, --input         input string ,default stdin
        -o, --output        output string,default stdout
        -h, --help          usage

example

file to file

       //this source code write as follows<see cat-of-lib.js below>:
       //   IF await scope-function-node is NOT async:
       //       will creat both a sync-version AND a async-version
       //   IF await scope-function-node is     async:
       //       will do nothing
        
       # cat lib.js

        function maybe(G,other) {
            let acc = 0;
            for await(let each of G) {
                acc = acc + each
            }
            acc = acc + (await other)
            return(acc)
        }

        module.exports = maybe
        #


       # nv_sync_and_async -i lib.js -o mylib.js

       # ls -l | egrep mylib
        -rw-r--r--   1 root root  185 Mar  4 03:06 mylib.async.js
        -rw-r--r--   1 root root  164 Mar  4 03:06 mylib.sync.js



       # cat mylib.async.js
        //ASYNC:
        async function maybe(G, other) {
          let acc = 0;

          for await (let each of G) {
            acc = acc + each;
          }

          acc = acc + (await other);
          return acc;
        }

        module.exports = maybe;
       #

       # cat mylib.sync.js
        //SYNC:
        function maybe(G, other) {
          let acc = 0;

          for (let each of G) {
            acc = acc + each;
          }

          acc = acc + other;
          return acc;
        }

        module.exports = maybe;

stdin to stdout

class Cls {
        static smethod () {
                while(true) {
                        d[await 3] = 100;
                }
        }
    method() {
                await 100
        }
}

^C nv-cli-sync-and-async# node cli.js

        class Cls {
                static smethod () {
                        while(true) {
                                d[await 3] = 100;
                        }
                }
            method() {
                        await 100
                }
        }

      
     //=============>press ctrl+D  



    //SYNC:
    class Cls {
      static smethod() {
        while (true) {
          d[3] = 100;
        }
      }

      method() {
        100;
      }

    }
    /*================*/


    //ASYNC:
    class Cls {
      static async smethod() {
        while (true) {
          d[await 3] = 100;
        }
      }

      async method() {
        await 100;
      }

    }
    /*================*/

LICENSE

• ISC