// Based upon the excellent jsx-transpiler by Ingvar Stepanyan (RReverser)
// https://github.com/RReverser/jsx-transpiler
var esutils = require("esutils");
var t = require("../../types");
var _ = require("lodash");
var JSX_ANNOTATION_REGEX = /^\*\s*@jsx\s+([^\s]+)/;
exports.Program = function (node, parent, file) {
var jsx = "React.DOM";
// looking for namespace annotation
_.each(node.leadingComments, function (comment) {
var matches = JSX_ANNOTATION_REGEX.exec(comment.value);
Eif (matches) jsx = matches[1];
});
// prebuilding AST node
file.jsx = jsx.split(".").map(t.identifier).reduce(function (object, property) {
return t.memberExpression(object, property);
});
};
exports.XJSIdentifier = function (node) {
if (esutils.keyword.isIdentifierName(node.name)) {
node.type = "Identifier";
} else {
return t.literal(node.name);
}
};
exports.XJSNamespacedName = function () {
throw new Error("Namespace tags are not supported. ReactJSX is not XML.");
};
exports.XJSMemberExpression = {
exit: function (node) {
node.computed = t.isLiteral(node.property);
node.type = "MemberExpression";
}
};
exports.XJSExpressionContainer = function (node) {
return node.expression;
};
exports.XJSAttribute = {
exit: function (node) {
var value = node.value || t.literal(true);
return t.property("init", node.name, value);
}
};
exports.XJSOpeningElement = {
exit: function (node, parent, file) {
var tagExpr = node.name;
if (t.isIdentifier(tagExpr)) {
var tagName = tagExpr.name;
if (/[a-z]/.exec(tagName[0]) || _.contains(tagName, "-")) {
tagExpr = t.memberExpression(file.jsx, tagExpr);
}
}
var props = node.attributes;
if (props.length) {
props = t.objectExpression(props);
} else {
props = t.literal(null);
}
return t.callExpression(tagExpr, [props]);
}
};
exports.XJSElement = {
exit: function (node) {
var callExpr = node.openingElement;
var children = node.children;
_.each(children, function (child) {
callExpr.arguments.push(child);
});
return t.inherits(callExpr, node);
}
};
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