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Marko v3: Reintroduced support for nested variables

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This commit is contained in:
Patrick Steele-Idem 2016-02-01 16:29:23 -07:00
parent eae3933825
commit f47bfe9da3
1 changed files with 45 additions and 0 deletions
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45
compiler/ast/CustomTag.js
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@ -16,6 +16,45 @@ function getNestedTagParentNode(nestedTagNode, parentTagName) {
}
}
function getNestedVariables(elNode, tagDef, codegen) {
var variableNames = [];
tagDef.forEachVariable((nestedVar) => {
var varName;
if (nestedVar.nameFromAttribute) {
var possibleNameAttributes = nestedVar.nameFromAttribute.split(/\s+or\s+|\s*,\s*/i);
for (var i = 0, len = possibleNameAttributes.length; i < len; i++) {
var attrName = possibleNameAttributes[i];
var keep = false;
if (attrName.endsWith('|keep')) {
keep = true;
attrName = attrName.slice(0, 0 - '|keep'.length);
possibleNameAttributes[i] = attrName;
}
varName = elNode.getAttributeValue(attrName);
if (varName) {
if (!keep) {
elNode.removeAttribute(attrName);
}
break;
}
}
if (!varName) {
codegen.addError('Attribute ' + possibleNameAttributes.join(' or ') + ' is required');
varName = '_var'; // Let it continue with errors
}
} else {
varName = nestedVar.name;
if (!varName) {
codegen.addError('Variable name is required');
varName = '_var'; // Let it continue with errors
}
}
variableNames.push(codegen.builder.identifier(varName));
});
return variableNames;
}
function buildInputProps(el, context) {
var tagDef = el.tagDef;
var inputProps = {};
@ -134,6 +173,8 @@ class CustomTag extends HtmlElement {
parentTagVar = parentTagNode.data.nestedTagVar;
}
var nestedVariableNames = getNestedVariables(this, tagDef, codegen);
var inputProps = buildInputProps(this, context);
var renderBodyFunction;
@ -151,6 +192,10 @@ class CustomTag extends HtmlElement {
renderBodyFunction = context.builder.renderBodyFunction(this.body);
if (nestedTagVar) {
renderBodyFunction.params.push(nestedTagVar);
} else {
if (nestedVariableNames && nestedVariableNames.length) {
renderBodyFunction.params = renderBodyFunction.params.concat(nestedVariableNames);
}
}
}
}