nv-facutil-throw v1.0.1

nv-facutil-throw

• nv-facutil-throw is a simple-util for built-in errors
• include dump-to-json ans load-from-json
• support nested AggregateError

install

• npm install nv-facutil-throw

usage

 const er = require("nv-facutil-throw")

example

aggregate error

var agg0 = er.agg([er.synx('s'),er.uri('u'),er.ref('r')],'agg')
var agg1 = er.agg([er.typ('t'),agg0,er.rng('rng')],'nest-agg')



> agg1
AggregateError: nest-agg
    at Object.__M.agg (/opt/JS/NV5_/nv-facutil_/pkgs/nv-facutil-throw/index.js:47:25)
    at REPL15:1:15
    at Script.runInThisContext (node:vm:131:12)
    ...

var dumped = er.dump_agg(agg1);
console.log(JSON.stringify(dumped,null,2))

{
  message: 'nest-agg',
  name: 'AggregateError',
  stack: '...',
  errors: [
    { message: 't', name: 'TypeError', stack: '....' },
    {
      message: 'agg',
      name: 'AggregateError',
      stack: '...',
      errors: [Array]
    },
    { message: 'rng', name: 'RangeError', stack: '...' }
  ]
}

> er.from_json(d)
AggregateError: nest-agg
    at Object._from_json [as from_json] (/opt/JS/NV5_/nv-facutil_/pkgs/nv-facutil-throw/index.js:77:16)
    at REPL98:1:4
    ....

other errors

> er.synx('s')
SyntaxError: s
    at Object.__M.<computed> [as synx] (/opt/JS/NV5_/nv-facutil_/pkgs/nv-facutil-throw/index.js:37:42)
    .....
>
> er.throw_synx('s')
Uncaught SyntaxError: s
> er.is_synx(er.synx('s'))
true
>

APIS

• from_json(json):XxxxError
• dump_xxxx(err:XxxxError):JSON
• throw_xxxx(message, fileName, lineNumber)
• throw_agg(errors,message)
• is_xxxx(o):boolean
• xxxx(message, fileName, lineNumber):XxxxError // abbrev of (new XxxxError(....))

LICENSE

• ISC