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Code Issues Releases Wiki Activity

More robust infinite recursion handling with custom exception (#7882)

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* Introduced preliminary idea for infinite recurse exception

* Better handling of infinite recursion

But it could be better still...

* the TransclusionError is a proper error

Moved the magic number to be on the error's class. Not sure if that's
a great idea.

* Fixed minor minor issue that came up in conflict

The minor fix to the jasmine regexp that escaped a '+' somehow
broke some random test.
This commit is contained in:
Cameron Fischer
2024-05-25 05:56:19 -04:00
committed by GitHub
parent 074d35c388
commit e932b09016
5 changed files with 92 additions and 9 deletions
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9
core/modules/widgets/widget.js
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@@ -12,9 +12,6 @@ Widget base class
/*global $tw: false */
"use strict";
/* Maximum permitted depth of the widget tree for recursion detection */
var MAX_WIDGET_TREE_DEPTH = 1000;
/*
Create a widget object for a parse tree node
parseTreeNode: reference to the parse tree node to be rendered
@@ -494,10 +491,8 @@ Widget.prototype.makeChildWidgets = function(parseTreeNodes,options) {
this.children = [];
var self = this;
// Check for too much recursion
if(this.getAncestorCount() > MAX_WIDGET_TREE_DEPTH) {
this.children.push(this.makeChildWidget({type: "error", attributes: {
"$message": {type: "string", value: $tw.language.getString("Error/RecursiveTransclusion")}
}}));
if(this.getAncestorCount() > $tw.utils.TranscludeRecursionError.MAX_WIDGET_TREE_DEPTH) {
throw new $tw.utils.TranscludeRecursionError();
} else {
// Create set variable widgets for each variable
$tw.utils.each(options.variables,function(value,name) {