[api] First pass at generators with mustache strings. #226 #199 #171 #224

2 files changed, 70 insertions, 0 deletions

diff --git a/examples/generators.js b/examples/generators.js
new file mode 100644
index 00000000..78ce4d03
--- /dev/null
+++ b/examples/generators.js
@@ -0,0 +1,13 @@
+var faker = require('../index');
+
+faker.locale = "en";
+
+
+
+console.log(faker.fake('{{name.lastName}}, {{name.firstName}} {{name.suffix}}'));
+
+
+console.log(faker.fake('{{finance.currencyName}} - {{finance.amount}}'));
+
+
+console.log(faker.fake('{{name.firstName}} {{name.lastName}}'));
\ No newline at end of file
diff --git a/lib/fake.js b/lib/fake.js
new file mode 100644
index 00000000..bad2ba9b
--- /dev/null
+++ b/lib/fake.js
@@ -0,0 +1,57 @@
+/*
+  fake.js - generator method for combining faker methods based on string input
+
+*/
+
+var faker = require('../');
+
+module['exports'] = function fake (str) {
+
+  // setup default response as empty string
+  var res = '';
+  
+  // if incoming str parameter is not provided, return error message
+  if (typeof str !== 'string' || str.length === 0) {
+    res = 'string parameter is required!';
+    return res;
+  }
+
+  // find first matching {{ and }}
+  var start = str.search('{{');
+  var end = str.search('}}');
+  
+  // if no {{ and }} is found, we are done
+  if (start === -1 && end === -1) {
+    return str;
+  }
+
+  // console.log('attempting to parse', str);
+
+  // extract method name from between the {{ }} that we found
+  // for example: {{name.firstName}}
+  var method = str.substr(start + 2,  end - start - 2);
+  method = method.replace('}}', '');
+  method = method.replace('{{', '');
+
+  // console.log('method', method)
+
+  // split the method into module and function
+  var parts = method.split('.');
+  
+  if (typeof faker[parts[0]] === "undefined") {
+    throw new Error('Invalid module: ' + parts[0]);
+  }
+
+  if (typeof faker[parts[0]][parts[1]] === "undefined") {
+    throw new Error('Invalid method: ' + parts[0] + "." + parts[1]);
+  }
+
+  // assign the function from the module.function namespace
+  var fn = faker[parts[0]][parts[1]];
+  
+  // replace the found tag with the returned fake value
+  res = str.replace('{{' + method + '}}', fn());
+
+  // return the response recursively until we are done finding all tags
+  return fake(res);
+};
\ No newline at end of file