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Code Issues Releases Wiki Activity

extend lookup op flexibility with 2 parameters (#5315)

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This commit is contained in:
Joshua Fontany
2021-05-21 02:11:23 -07:00
committed by GitHub
parent 270ead4701
commit 81b5fe944a
3 changed files with 63 additions and 17 deletions
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39
core/modules/filters/lookup.js
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@@ -5,9 +5,11 @@ module-type: filteroperator
Filter operator that looks up values via a title prefix
[lookup:<field>[<prefix>]]
[lookup:<defaultvalue>:<field OR index>[<prefix>],[<field-name OR index-name>]]
Prepends the prefix to the selected items and returns the specified field value
Prepends the prefix to the selected items and returns the specified
field or index value. If the 2nd suffix does not exist, it defaults to field.
If the second operand is missing it defaults to "text" for fields, and "0" for indexes
\*/
(function(){
@@ -20,10 +22,35 @@ Prepends the prefix to the selected items and returns the specified field value
Export our filter function
*/
exports.lookup = function(source,operator,options) {
var results = [];
source(function(tiddler,title) {
results.push(options.wiki.getTiddlerText(operator.operand + title) || operator.suffix || '');
});
var results = [],
suffixes = operator.suffixes || [],
defaultSuffix = suffixes[0] ? (suffixes[0][0] || "") : "",
indexSuffix = (suffixes[1] && suffixes[1][0] === "index") ? true : false,
target;
if(operator.operands.length == 2) {
target = operator.operands[1]
} else {
target = indexSuffix ? "0": "text";
}
if(indexSuffix) {
source(function(tiddler,title) {
var targetTitle = operator.operands[0] + title;
var data = options.wiki.extractTiddlerDataItem(targetTitle,target,defaultSuffix);
results.push(data);
});
} else {
source(function(tiddler,title) {
var targetTitle = operator.operands[0] + title;
var targetTiddler = options.wiki.getTiddler(targetTitle);
if(targetTiddler) {
var value = targetTiddler.getFieldString(target);
if(value == "" && defaultSuffix !== "") {
value = defaultSuffix;
}
results.push(value);
}
});
}
return results;
};