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var _ = require("underscore");
var htmlPaths = require("../html-paths");
function fragment(children) {
return {
type: "fragment",
children: collapseFragments(children)
};
}
function nonFreshElement(tagName, attributes, children) {
return elementWithTag(
htmlPaths.element(tagName, attributes, {fresh: false}),
children);
}
function freshElement(tagName, attributes, children) {
return elementWithTag(
htmlPaths.element(tagName, attributes, {fresh: true}),
children);
}
function elementWithTag(tag, children) {
return {
type: "element",
tag: tag,
children: collapseFragments(children),
isEmpty: _.all(children, function(child) {
return child.isEmpty;
}),
appendChild: appendChild
};
}
function appendChild(child) {
this.children.push(child);
this.isEmpty = this.isEmpty && child.isEmpty;
}
function selfClosingElement(tagName, attributes) {
return {
type: "selfClosingElement",
tagName: tagName,
attributes: attributes
};
}
function text(value) {
return {
type: "text",
value: value,
isEmpty: !value
};
}
var forceWrite = {
type: "forceWrite",
isEmpty: false
};
function collapseFragments(elements) {
return _.flatten((elements || []).map(function(element) {
return element.type === "fragment" ? element.children : [element];
}), true);
}
exports.fragment = fragment;
exports.freshElement = freshElement;
exports.nonFreshElement = nonFreshElement;
exports.elementWithTag = elementWithTag;
exports.selfClosingElement = selfClosingElement;
exports.text = text;
exports.forceWrite = forceWrite;
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