requisite/lib/compilers/coffee.js

A cosmic javascript bundler.

// Generated by CoffeeScript 1.12.4
var formatErrorMessage, path;

path = require('path');

formatErrorMessage = function(source, filename, err) {
  var carets, col, first_column, first_line, l, last_column, last_line, lines, ref;
  ref = err.location, first_line = ref.first_line, last_line = ref.last_line, first_column = ref.first_column, last_column = ref.last_column;
  if (last_line == null) {
    last_line = first_line;
  }
  lines = source.split('\n');
  l = lines[first_line];
  lines[first_line] = (l.substring(0, first_column)) + '\x1B[91m' + l.substring(first_column);
  l = lines[last_line];
  if (first_line === last_line) {
    col = last_column + 6;
  } else {
    col = last_column;
  }
  lines[last_line] = (l.substring(0, col)) + '\x1B[39m' + (l.substring(col));
  lines = lines.slice(first_line, last_line + 1);
  carets = Array(first_column + 1).join(' ') + ("\x1B[91m" + (Array(last_column + 2 - first_column).join('^')) + "\x1B[39m");
  lines.push(carets);
  return filename + ":" + (first_line + 1) + ":" + (first_column + 1) + ": " + err.name + ": " + err.message + "\n" + (lines.join('\n')) + "\n";
};

module.exports = function(options, callback) {
  var coffee, err, js, opts, ref, res, v3SourceMap;
  try {
    coffee = require('coffee-script');
  } catch (error) {
    err = error;
    coffee = require('coffeescript');
  }
  opts = {
    bare: true
  };
  if (options.sourceMap) {
    opts.sourceMap = options.sourceMap;
    opts.filename = options.filename;
    opts.sourceFiles = [options.filename];
    opts.sourceRoot = '';
  }
  try {
    res = coffee.compile(options.source, opts);
  } catch (error) {
    err = error;
    if (err.location != null) {
      err.formattedMessage = formatErrorMessage(options.source, options.filename, err);
    }
    return callback(err);
  }
  if (res.v3SourceMap != null) {
    js = res.js, v3SourceMap = res.v3SourceMap;
  } else {
    ref = [res, void 0], js = ref[0], v3SourceMap = ref[1];
  }
  return callback(null, js, v3SourceMap);
};

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