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Code Issues Releases Wiki Activity

Fix: transcludes and backtranscludes operators to always include self-referential transclusion (#8257)

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* fix: ignore self-referential transclusion

* feat: support old <$transclude tiddler param

* fix: restore old behavior: include itself like backlinks[]

* refactor: use LinkedList in transcludes[] and backtranscludes[]

* fix: only fallback to title when {{!!xxx}}, not when input is empty

* refactor: move transcludes ast extractor to a file

* refactor: move links ast extractor to a file

* Revert "refactor: move links ast extractor to a file"

This reverts commit 5600a00cd8.

* Revert "refactor: move transcludes ast extractor to a file"

This reverts commit 61d5484f09.

* lint: use pushTop and remove space
This commit is contained in:
lin onetwo 2024-06-19 16:38:02 +08:00 committed by GitHub
parent 8eb08820ac
commit 741aef55e4
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5 changed files with 62 additions and 25 deletions
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6
core/modules/filters/backtranscludes.js
View File

@ -16,11 +16,11 @@ Filter operator for returning all the backtranscludes from a tiddler
Export our filter function
*/
exports.backtranscludes = function(source,operator,options) {
var results = [];
var results = new $tw.utils.LinkedList();
source(function(tiddler,title) {
$tw.utils.pushTop(results,options.wiki.getTiddlerBacktranscludes(title));
results.pushTop(options.wiki.getTiddlerBacktranscludes(title));
});
return results;
return results.makeTiddlerIterator(options.wiki);
};
})();

2
core/modules/filters/transcludes.js
View File

@ -20,7 +20,7 @@ exports.transcludes = function(source,operator,options) {
source(function(tiddler,title) {
results.pushTop(options.wiki.getTiddlerTranscludes(title));
});
return results.toArray();
return results.makeTiddlerIterator(options.wiki);
};
})();

2
core/modules/indexers/back-indexer.js
View File

@ -75,7 +75,7 @@ BackSubIndexer.prototype._getTarget = function(tiddler) {
}
var parser = this.wiki.parseText(tiddler.fields.type, tiddler.fields.text, {});
if(parser) {
return this.wiki[this.extractor](parser.tree);
return this.wiki[this.extractor](parser.tree, tiddler.fields.title);
}
return [];
}

30
core/modules/wiki.js
View File

@ -551,28 +551,41 @@ exports.getTiddlerBacklinks = function(targetTitle) {
/*
Return an array of tiddler titles that are directly transcluded within the given parse tree
Return an array of tiddler titles that are directly transcluded within the given parse tree. `title` is the tiddler being parsed, we will ignore its self-referential transclusions, only return
*/
exports.extractTranscludes = function(parseTreeRoot) {
exports.extractTranscludes = function(parseTreeRoot, title) {
// Count up the transcludes
var transcludes = [],
checkParseTree = function(parseTree, parentNode) {
for(var t=0; t<parseTree.length; t++) {
var parseTreeNode = parseTree[t];
if(parseTreeNode.type === "transclude" && parseTreeNode.attributes.$tiddler && parseTreeNode.attributes.$tiddler.type === "string") {
if(parseTreeNode.type === "transclude") {
if(parseTreeNode.attributes.$tiddler && parseTreeNode.attributes.$tiddler.type === "string") {
var value;
// if it is Transclusion with Templates like `{{Index||$:/core/ui/TagTemplate}}`, the `$tiddler` will point to the template. We need to find the actual target tiddler from parent node
if(parentNode && parentNode.type === "tiddler" && parentNode.attributes.tiddler && parentNode.attributes.tiddler.type === "string") {
value = parentNode.attributes.tiddler.value;
// Empty value (like `{{!!field}}`) means self-referential transclusion.
value = parentNode.attributes.tiddler.value || title;
} else {
value = parseTreeNode.attributes.$tiddler.value;
}
if(transcludes.indexOf(value) === -1 && value !== undefined) {
transcludes.push(value);
} else if(parseTreeNode.attributes.tiddler && parseTreeNode.attributes.tiddler.type === "string") {
// Old transclude widget usage
value = parseTreeNode.attributes.tiddler.value;
} else if(parseTreeNode.attributes.$field && parseTreeNode.attributes.$field.type === "string") {
// Empty value (like `<$transclude $field='created'/>`) means self-referential transclusion.
value = title;
} else if(parseTreeNode.attributes.field && parseTreeNode.attributes.field.type === "string") {
// Old usage with Empty value (like `<$transclude field='created'/>`)
value = title;
}
// Deduplicate the result.
if(value && transcludes.indexOf(value) === -1) {
$tw.utils.pushTop(transcludes,value);
}
}
if(parseTreeNode.children) {
checkParseTree(parseTreeNode.children, parseTreeNode);
checkParseTree(parseTreeNode.children,parseTreeNode);
}
}
};
@ -591,7 +604,8 @@ exports.getTiddlerTranscludes = function(title) {
// Parse the tiddler
var parser = self.parseTiddler(title);
if(parser) {
return self.extractTranscludes(parser.tree);
// this will ignore self-referential transclusions from `title`
return self.extractTranscludes(parser.tree,title);
}
return [];
});

37
editions/test/tiddlers/tests/test-backtranscludes.js
View File

@ -22,6 +22,9 @@ describe('Backtranscludes and transclude filter tests', function() {
it('should have no backtranscludes', function() {
expect(wiki.filterTiddlers('TestIncoming +[backtranscludes[]]').join(',')).toBe('');
});
it('should have no transcludes', function() {
expect(wiki.filterTiddlers('TestIncoming +[transcludes[]]').join(',')).toBe('');
});
});
describe('A tiddler added to the wiki with a transclude to it', function() {
@ -38,6 +41,9 @@ describe('Backtranscludes and transclude filter tests', function() {
it('should have a backtransclude', function() {
expect(wiki.filterTiddlers('TestIncoming +[backtranscludes[]]').join(',')).toBe('TestOutgoing');
});
it('should have a transclude', function() {
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('TestIncoming');
});
});
describe('A tiddler transclude with template will still use the tiddler as result.', function() {
@ -182,35 +188,52 @@ describe('Backtranscludes and transclude filter tests', function() {
});
});
describe('ignore self transclusion', function() {
describe('include implicit self transclusion', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestOutgoing',
text: "{{!!created}}\n\nA transclude to {{!!title}}"});
text: "{{!!created}}\n\nAn implicit self-referential transclude to <$transclude $field='created'/> and <$transclude field='created'/>"});
it('should have no transclude', function() {
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('');
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('TestOutgoing');
});
it('should have no back transcludes', function() {
expect(wiki.filterTiddlers('TestOutgoing +[backtranscludes[]]').join(',')).toBe('');
expect(wiki.filterTiddlers('TestOutgoing +[backtranscludes[]]').join(',')).toBe('TestOutgoing');
});
});
describe('recognize soft transclusion defined by widget', function() {
describe('include explicit self transclusion', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestOutgoing',
text: "<$tiddler tiddler='TestIncoming'><$transclude $tiddler /></$tiddler>"});
text: "{{TestOutgoing!!created}}\n\n<$transclude $tiddler='TestOutgoing' $field='created'/> and <$transclude tiddler='TestOutgoing' field='created'/>"});
it('should have no transclude', function() {
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('TestOutgoing');
});
it('should have no back transcludes', function() {
expect(wiki.filterTiddlers('TestOutgoing +[backtranscludes[]]').join(',')).toBe('TestOutgoing');
});
});
describe('recognize transclusion defined by widget', function() {
var wiki = new $tw.Wiki();
wiki.addTiddler({
title: 'TestOutgoing',
text: "<$tiddler tiddler='TestIncoming'><$transclude $tiddler /></$tiddler>\n\n<$transclude tiddler='TiddlyWiki Pre-release'/>"});
it('should have a transclude', function() {
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('TestIncoming');
expect(wiki.filterTiddlers('TestOutgoing +[transcludes[]]').join(',')).toBe('TestIncoming,TiddlyWiki Pre-release');
});
it('should have a back transclude', function() {
expect(wiki.filterTiddlers('TestIncoming +[backtranscludes[]]').join(',')).toBe('TestOutgoing');
expect(wiki.filterTiddlers('[[TiddlyWiki Pre-release]] +[backtranscludes[]]').join(',')).toBe('TestOutgoing');
});
});
});