Handlebars.parse/precompile/compile can now be passed an already-compiled Handlebars AST.

2013-02-06 17:51:47 -05:00
parent 448e43c41e
commit a48e32bbf6
5 changed files with 50 additions and 23 deletions
@@ -1221,23 +1221,23 @@ Handlebars.JavaScriptCompiler = function() {};

 })(Handlebars.Compiler, Handlebars.JavaScriptCompiler);

-Handlebars.precompile = function(string, options) {
-  if (typeof string !== 'string') {
-    throw new Handlebars.Exception("You must pass a string to Handlebars.compile. You passed " + string);
+Handlebars.precompile = function(input, options) {
+  if (!input || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) {
+    throw new Handlebars.Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input);
  }

  options = options || {};
  if (!('data' in options)) {
    options.data = true;
  }
-  var ast = Handlebars.parse(string);
+  var ast = Handlebars.parse(input);
  var environment = new Handlebars.Compiler().compile(ast, options);
  return new Handlebars.JavaScriptCompiler().compile(environment, options);
 };

-Handlebars.compile = function(string, options) {
-  if (typeof string !== 'string') {
-    throw new Handlebars.Exception("You must pass a string to Handlebars.compile. You passed " + string);
+Handlebars.compile = function(input, options) {
+  if (!input || (typeof input !== 'string' && input.constructor !== Handlebars.AST.ProgramNode)) {
+    throw new Handlebars.Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input);
  }

  options = options || {};
@@ -1246,7 +1246,7 @@ Handlebars.compile = function(string, options) {
  }
  var compiled;
  function compile() {
-    var ast = Handlebars.parse(string);
+    var ast = Handlebars.parse(input);
    var environment = new Handlebars.Compiler().compile(ast, options);
    var templateSpec = new Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true);
    return Handlebars.template(templateSpec);