refactor: move file to token property

index.js

@@ -33,8 +33,8 @@ var _engine = {
 
         return this;
     },
-    parse: function(html) {
-        var tokens = tokenizer.parse(html);
+    parse: function(html, filepath) {
+        var tokens = tokenizer.parse(html, filepath);
         return this.parser.parse(tokens);
     },
     render: function(tpl, ctx, opts) {
@@ -56,11 +56,7 @@ var _engine = {
     renderFile: function(filepath, ctx, opts) {
         opts = _.assign({}, opts);
         return this.getTemplate(filepath, opts.root)
-            .then(templates => this.render(templates, ctx, opts))
-            .catch(e => {
-                e.file = filepath;
-                throw e;
-            });
+            .then(templates => this.render(templates, ctx, opts));
     },
     evalOutput: function(str, scope) {
         var tpl = this.parser.parseOutput(str.trim());
@@ -100,7 +96,7 @@ var _engine = {
                         .then(str => this.parse(str))
                         .then(tpl => this.cache[filepath] = tpl);
                 } else {
-                    return readFileAsync(filepath).then(str => this.parse(str));
+                    return readFileAsync(filepath).then(str => this.parse(str, filepath));
                 }
             });
     },

src/tokenizer.js

@@ -3,7 +3,7 @@ const TokenizationError = require('./util/error.js').TokenizationError;
 const _ = require('./util/underscore.js');
 const assert = require('../src/util/assert.js');
 
-function parse(html) {
+function parse(html, filepath) {
     assert(_.isString(html), 'illegal input type');
 
     var tokens = [];
@@ -58,7 +58,8 @@ function parse(html) {
             raw: match[offset],
             value: match[offset + 1].trim(),
             line: getLineNum(match),
-            input: html
+            input: html,
+            file: filepath
         };
     }
 

src/util/error.js

@@ -8,9 +8,10 @@ function TokenizationError(message, token) {
 
     this.input = token.input;
     this.line = token.line;
+    this.file = token.file;
 
     var context = mkContext(token.input, token.line);
-    this.message = message + ', line:' + token.line;
+    this.message = mkMessage(message, token);
     this.stack = context + '\n' + (this.stack || '');
 }
 TokenizationError.prototype = Object.create(Error.prototype);
@@ -22,9 +23,10 @@ function ParseError(e, token) {
 
     this.input = token.input;
     this.line = token.line;
+    this.file = token.file;
 
     var context = mkContext(token.input, token.line);
-    this.message = e.message + ', line:' + token.line;
+    this.message = mkMessage(e.message, token);
     this.stack = context + '\n' + (this.stack || '');
 }
 ParseError.prototype = Object.create(Error.prototype);
@@ -40,9 +42,10 @@ function RenderError(e, tpl) {
 
     this.input = tpl.token.input;
     this.line = tpl.token.line;
+    this.file = tpl.token.file;
 
     var context = mkContext(tpl.token.input, tpl.token.line);
-    this.message = e.message + ', line:' + tpl.token.line;
+    this.message = mkMessage(e.message, tpl.token);
     this.stack = context + '\n' + (e.stack || '');
 }
 RenderError.prototype = Object.create(Error.prototype);
@@ -93,6 +96,17 @@ function align(n, max) {
     return blank + str;
 }
 
+function mkMessage(msg, token){
+    msg = msg || '';
+    if(token.file){
+        msg += ', file:' + token.file;
+    }
+    if(token.line){
+        msg += ', line:' + token.line;
+    }
+    return msg;
+}
+
 module.exports = {
     TokenizationError,
     ParseError,

test/util/error.js

@@ -155,7 +155,7 @@ describe('error', function() {
                     expect(err.name).to.equal('RenderError');
                 });
         });
-        it.only('should contain original template context in err.stack', function() {
+        it('should contain original template context in err.stack', function() {
             var origin = ['1st', '2nd', '3rd', 'X{%throwingTag%} Y', '5th', '6th', '7th'];
             mock({
                 '/throwing-tag.html': origin.join('\n')
@@ -173,9 +173,7 @@ describe('error', function() {
             return expect(engine.parseAndRender(html)).to.eventually
                 .be.rejected
                 .then(function(err) {
-                    console.log(err.message);
-                    console.log(err.stack);
-                    expect(err.message).to.equal('intended render error, line:4');
+                    expect(err.message).to.equal('intended render error, file:/throwing-tag.html, line:4');
                     expect(err.stack).to.contain(message.join('\n'));
                     expect(err.name).to.equal('RenderError');
                 });