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Code Issues Releases Wiki Activity

Add parse tree utility for collecting text

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Jermolene 2015-08-01 13:14:32 +01:00
parent 7cc85e8162
commit 8f746f9dde
1 changed files with 20 additions and 0 deletions
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20
core/modules/utils/parsetree.js
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@ -56,4 +56,24 @@ exports.findParseTreeNode = function(nodeArray,search) {
return undefined;
};
/*
Helper to get the text of a parse tree node or array of nodes
*/
exports.getParseTreeText = function getParseTreeText(tree) {
var output = [];
if($tw.utils.isArray(tree)) {
$tw.utils.each(tree,function(node) {
output.push(getParseTreeText(node));
});
} else {
if(tree.type === "text") {
output.push(tree.text);
}
if(tree.children) {
return getParseTreeText(tree.children);
}
}
return output.join("");
};
})();