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Code Issues Releases Wiki Activity

Fix for LinkedLists when using bad filter prefix (#5251)

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Cameron Fischer 2020-12-10 13:25:53 -05:00 committed by GitHub
parent 78c2beb640
commit 6ca89304a1
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2 changed files with 9 additions and 1 deletions
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2
core/modules/filters.js
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@ -297,7 +297,7 @@ exports.compileFilter = function(filterString) {
return filterRunPrefixes[operation.namedPrefix](operationSubFunction, options); return filterRunPrefixes[operation.namedPrefix](operationSubFunction, options);
} else { } else {
return function(results,source,widget) { return function(results,source,widget) {
results.splice(0,results.length); results.clear();
results.push($tw.language.getString("Error/FilterRunPrefix")); results.push($tw.language.getString("Error/FilterRunPrefix"));
}; };
} }

8
editions/test/tiddlers/tests/test-prefixes-filter.js
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@ -12,6 +12,14 @@ Tests the reduce prefix and filter.
/* global $tw, require */ /* global $tw, require */
"use strict"; "use strict";
describe("general filter prefix tests", function() {
it("should handle nonexistent prefixes gracefully", function() {
var wiki = new $tw.Wiki();
var results = wiki.filterTiddlers("[tag[A]] :nonexistent[tag[B]]");
expect(results).toEqual(["Filter Error: Unknown prefix for filter run"]);
});
});
describe("'reduce' and 'intersection' filter prefix tests", function() { describe("'reduce' and 'intersection' filter prefix tests", function() {
var wiki = new $tw.Wiki(); var wiki = new $tw.Wiki();