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Better error message #2335

manhg opened this issue May 5, 2017 · 1 comment

Better error message #2335

manhg opened this issue May 5, 2017 · 1 comment


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@manhg manhg commented May 5, 2017

Help us to manage our issues by answering the following:

  1. Describe your issue:
    It's hard to know which template expression is broken inside a tag.

I think this can give clearer info on what wrong by passing expression along with data

--- a/riot.js
+++ b/riot.js
@@ -597,7 +597,7 @@ var tmpl = (function () {
   function _tmpl (str, data) {
     if (!str) { return str }

-    return (_cache[str] || (_cache[str] = _create(str))).call(data, _logErr)
+    return (_cache[str] || (_cache[str] = _create(str))).call(data, _logErr.bind({data: data, tmpl: str}))

   _tmpl.hasExpr = brackets.hasExpr;
@@ -621,10 +621,9 @@ var tmpl = (function () {
       typeof console !== 'undefined' &&
       typeof console.error === 'function'
     ) {
-      if (err.riotData.tagName) {
-        console.error('Riot template error thrown in the <%s> tag', err.riotData.tagName);
-      }
-      console.error(err);
+      console.error(err.message);
+      console.log('<%s> %s', err.riotData.tagName, this.tmpl);
+      console.log(;
  1. Can you reproduce the issue?

Post the link using one of our bug report templates:

  1. On which browser/OS does the issue appear?

  2. Which version of Riot does it affect?

  3. How would you tag this issue?

  • Question
  • Bug
  • Discussion
  • Feature request
  • Tip
  • Enhancement
  • Performance
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@GianlucaGuarini GianlucaGuarini commented May 5, 2017

@manhg thanks for your feedback... could you please make a pull request here

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