ladjs / chalkline Goto Github PK

As discussed on twitter, perhaps there's a better way to do this.

// beware, untested pseudo-ish-code

var chalk = require('chalk');

function Builder(base) {
  var color = base;
  var fn = function () {
    console.log(color('THE BAR GOES HERE'));
  };

  Object.keys(chalk).forEach(function (k) {
    Object.defineProperty(fn, k, {
      get: function () {
        color = color[k];
        return fn;
      }
    });
  });

  return fn;
}

Object.keys(chalk).forEach(function (k) {
  Object.defineProperty(module.exports, k, {
    get: function () {
      return Builder(chalk[k]);
    }
  });
});

Perhaps there's an ever better way than to iterate these keys twice (but I can't think of one - just woke up).

What this code does is creates a getter function for each of the chalk properties on module.exports, which returns a function. This function, when called, prints out the chalk bar with the existing color styles. It also has defined all of the properties of chalk, which when get'd will modify the internal style reference, as if you were calling chalk.someColor.someOtherColor in sequence.

If you want it to where you can just call a default styled bar, then before the second Object.keys(chalk).forEach(), do a module.exports = function() { console.log(theBar); }. That'd allow you to do require('chalkline')(); to get an immediate, default styled bar.

When used with webpack process.stdout doesn't exist. It should not be depended on in a browser environment.

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