error-if is a simple assertion package.
- It's justs simple functions, no gnarly DSL or javascript property magic
- Written in ES5, so it runs on any old browser or code without transpilation. Debugging tools should be runnable anywhere.
- Single .js file, no dependencies, all in one singleton generator. So you can package it however you like, or even copy it into the bottom of another file
var errorIf = require("error-if")
errorIf.regexNotFound(
"booboo",
/boob/)
// won't throw an error because the string is in there
errorIf.notOnEnoughLines(
"boo\nboo\nfroo\nglue\n",
/boo/,
3)
// will error out because the string is only found on two of the four lines.It's packaged for https://www.npmjs.com/package/module-library but only for convenience. You can copy the singleton generator out and package it however you like.