test-glsl-transitions.js

var through = require("through")
var extract = require("glsl-extract")

require("glsl-transitions").forEach(function (t) {
  var e=null;
  console.error = function (msg) {
    e = msg;
  };
  getExports(t.glsl); // for some reason this doesn't break but log using console.error (so I hacked console.error!)

  if (e) {
    console.log("\n");
    console.log(e);
    console.log("GLSL:", t.glsl);
  }
});

function getExports(source) {
  var exports
  var stream = through()
  var nextTick = process.nextTick
  var stack = []
  process.nextTick = function(f) {
    stack.push(f)
  }
  extract(stream)(function onExtractComplete(err, info) {
    if(err) {
      throw err
    }
    exports = info
  })
  stream.end(new Buffer(source, "utf-8"))
  for(var i=0; i<stack.length; ++i) {
    var f = stack[i]
    try {
      f()
    } catch(e) {
      console.error(e)
    }
  }
  process.nextTick = nextTick
  return exports
}