💥 Improve error message for invalid filter queries (#758)

* Improve error message for invalid filter queries * Update CHANGELOG.md Co-authored-by: Marc-André Rivet <Marc-Andre-Rivet@users.noreply.github.com>
plotly · Apr 21, 2020 · 88613cb · 88613cb
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -18,6 +18,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - [#732](https://github.com/plotly/dash-table/pull/732) Fix a bug where opening a dropdown scrolled the table down its last row
 - [#731](https://github.com/plotly/dash-table/pull/731) Fix a bug where `data=None` and `columns=None` caused the table to throw an error
 
+## Changed
+- [#758](https://github.com/plotly/dash-table/pull/758) Improve error message for invalid filter queries
+
 ## [4.6.2] - 2020-04-01
 ### Changed
 - [#713](https://github.com/plotly/dash-table/pull/713) Update from React 16.8.6 to 16.13.0

diff --git a/src/core/syntax-tree/index.ts b/src/core/syntax-tree/index.ts
@@ -62,7 +62,7 @@ export default class SyntaxTree {
 
     evaluate = (target: any) => {
         if (!this.isValid) {
-            const msg = `unable to evaluate target: syntax tree is invalid for query=${this.query}`;
+            const msg = `DataTable filtering syntax is invalid for query: ${this.query}`;
 
             Logger.error(msg);
             throw new Error(msg);
@@ -90,4 +90,4 @@ export default class SyntaxTree {
 
         return toStructure(this.syntaxerResult.tree);
     }
-}
+}