js__coffeescript__codeschool/lib/4-1-arrays.js

var geoLocate, i, index, j, len, len1, loc, location, storeLocations1, storeLocations2, storeLocations3;

storeLocations1 = ['Orlando', 'Winter Park', 'Sanford'];

// Beware, this doesn't compile correctly:
// storeLocations.forEach(location, index) ->
// It uses it as a forEach(location, index) call with a () => {} callback

// So be sure to add the space.
storeLocations1.forEach(function(location, index) {
  return console.log(`Location ${index}: ${location}`);
});

// Or use something more idiomatic:
for (index = i = 0, len = storeLocations1.length; i < len; index = ++i) {
  location = storeLocations1[index];
  console.log(`Location ${index}: ${location}`);
}

for (index = j = 0, len1 = storeLocations1.length; j < len1; index = ++j) {
  location = storeLocations1[index];
  // List comprehensions
  console.log(`Location ${index}: ${location}`);
}

// In this case, the parentheses are essential
storeLocations2 = (function() {
  var k, len2, results;
  results = [];
  for (k = 0, len2 = storeLocations1.length; k < len2; k++) {
    loc = storeLocations1[k];
    results.push(`${loc}, FL`);
  }
  return results;
})();

// Without them, the whole "storeLocations = ..." part is run for each loc.
console.log(storeLocations2);

geoLocate = function(loc) {
  return `${loc}, USA`;
};

// Applying a filter to a list comprehension
console.log((function() {
  var k, len2, results;
  results = [];
  for (k = 0, len2 = storeLocations1.length; k < len2; k++) {
    loc = storeLocations1[k];
    if (loc !== 'Sanford') {
      results.push(geoLocate(loc));
    }
  }
  return results;
})());

storeLocations3 = (function() {
  var k, len2, results;
  results = [];
  for (k = 0, len2 = storeLocations1.length; k < len2; k++) {
    loc = storeLocations1[k];
    if (loc !== 'Sanford') {
      results.push(loc);
    }
  }
  return results;
})();

console.log(storeLocations3);

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