devsite/node_modules/domhandler/lib/node.js
2024-07-07 18:49:38 -07:00

445 lines
14 KiB
JavaScript

"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.cloneNode = exports.hasChildren = exports.isDocument = exports.isDirective = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = exports.Element = exports.Document = exports.NodeWithChildren = exports.ProcessingInstruction = exports.Comment = exports.Text = exports.DataNode = exports.Node = void 0;
var domelementtype_1 = require("domelementtype");
var nodeTypes = new Map([
[domelementtype_1.ElementType.Tag, 1],
[domelementtype_1.ElementType.Script, 1],
[domelementtype_1.ElementType.Style, 1],
[domelementtype_1.ElementType.Directive, 1],
[domelementtype_1.ElementType.Text, 3],
[domelementtype_1.ElementType.CDATA, 4],
[domelementtype_1.ElementType.Comment, 8],
[domelementtype_1.ElementType.Root, 9],
]);
/**
* This object will be used as the prototype for Nodes when creating a
* DOM-Level-1-compliant structure.
*/
var Node = /** @class */ (function () {
/**
*
* @param type The type of the node.
*/
function Node(type) {
this.type = type;
/** Parent of the node */
this.parent = null;
/** Previous sibling */
this.prev = null;
/** Next sibling */
this.next = null;
/** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
this.startIndex = null;
/** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
this.endIndex = null;
}
Object.defineProperty(Node.prototype, "nodeType", {
// Read-only aliases
/**
* [DOM spec](https://dom.spec.whatwg.org/#dom-node-nodetype)-compatible
* node {@link type}.
*/
get: function () {
var _a;
return (_a = nodeTypes.get(this.type)) !== null && _a !== void 0 ? _a : 1;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Node.prototype, "parentNode", {
// Read-write aliases for properties
/**
* Same as {@link parent}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.parent;
},
set: function (parent) {
this.parent = parent;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Node.prototype, "previousSibling", {
/**
* Same as {@link prev}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.prev;
},
set: function (prev) {
this.prev = prev;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Node.prototype, "nextSibling", {
/**
* Same as {@link next}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.next;
},
set: function (next) {
this.next = next;
},
enumerable: false,
configurable: true
});
/**
* Clone this node, and optionally its children.
*
* @param recursive Clone child nodes as well.
* @returns A clone of the node.
*/
Node.prototype.cloneNode = function (recursive) {
if (recursive === void 0) { recursive = false; }
return cloneNode(this, recursive);
};
return Node;
}());
exports.Node = Node;
/**
* A node that contains some data.
*/
var DataNode = /** @class */ (function (_super) {
__extends(DataNode, _super);
/**
* @param type The type of the node
* @param data The content of the data node
*/
function DataNode(type, data) {
var _this = _super.call(this, type) || this;
_this.data = data;
return _this;
}
Object.defineProperty(DataNode.prototype, "nodeValue", {
/**
* Same as {@link data}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.data;
},
set: function (data) {
this.data = data;
},
enumerable: false,
configurable: true
});
return DataNode;
}(Node));
exports.DataNode = DataNode;
/**
* Text within the document.
*/
var Text = /** @class */ (function (_super) {
__extends(Text, _super);
function Text(data) {
return _super.call(this, domelementtype_1.ElementType.Text, data) || this;
}
return Text;
}(DataNode));
exports.Text = Text;
/**
* Comments within the document.
*/
var Comment = /** @class */ (function (_super) {
__extends(Comment, _super);
function Comment(data) {
return _super.call(this, domelementtype_1.ElementType.Comment, data) || this;
}
return Comment;
}(DataNode));
exports.Comment = Comment;
/**
* Processing instructions, including doc types.
*/
var ProcessingInstruction = /** @class */ (function (_super) {
__extends(ProcessingInstruction, _super);
function ProcessingInstruction(name, data) {
var _this = _super.call(this, domelementtype_1.ElementType.Directive, data) || this;
_this.name = name;
return _this;
}
return ProcessingInstruction;
}(DataNode));
exports.ProcessingInstruction = ProcessingInstruction;
/**
* A `Node` that can have children.
*/
var NodeWithChildren = /** @class */ (function (_super) {
__extends(NodeWithChildren, _super);
/**
* @param type Type of the node.
* @param children Children of the node. Only certain node types can have children.
*/
function NodeWithChildren(type, children) {
var _this = _super.call(this, type) || this;
_this.children = children;
return _this;
}
Object.defineProperty(NodeWithChildren.prototype, "firstChild", {
// Aliases
/** First child of the node. */
get: function () {
var _a;
return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
},
enumerable: false,
configurable: true
});
Object.defineProperty(NodeWithChildren.prototype, "lastChild", {
/** Last child of the node. */
get: function () {
return this.children.length > 0
? this.children[this.children.length - 1]
: null;
},
enumerable: false,
configurable: true
});
Object.defineProperty(NodeWithChildren.prototype, "childNodes", {
/**
* Same as {@link children}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.children;
},
set: function (children) {
this.children = children;
},
enumerable: false,
configurable: true
});
return NodeWithChildren;
}(Node));
exports.NodeWithChildren = NodeWithChildren;
/**
* The root node of the document.
*/
var Document = /** @class */ (function (_super) {
__extends(Document, _super);
function Document(children) {
return _super.call(this, domelementtype_1.ElementType.Root, children) || this;
}
return Document;
}(NodeWithChildren));
exports.Document = Document;
/**
* An element within the DOM.
*/
var Element = /** @class */ (function (_super) {
__extends(Element, _super);
/**
* @param name Name of the tag, eg. `div`, `span`.
* @param attribs Object mapping attribute names to attribute values.
* @param children Children of the node.
*/
function Element(name, attribs, children, type) {
if (children === void 0) { children = []; }
if (type === void 0) { type = name === "script"
? domelementtype_1.ElementType.Script
: name === "style"
? domelementtype_1.ElementType.Style
: domelementtype_1.ElementType.Tag; }
var _this = _super.call(this, type, children) || this;
_this.name = name;
_this.attribs = attribs;
return _this;
}
Object.defineProperty(Element.prototype, "tagName", {
// DOM Level 1 aliases
/**
* Same as {@link name}.
* [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
get: function () {
return this.name;
},
set: function (name) {
this.name = name;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Element.prototype, "attributes", {
get: function () {
var _this = this;
return Object.keys(this.attribs).map(function (name) {
var _a, _b;
return ({
name: name,
value: _this.attribs[name],
namespace: (_a = _this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
prefix: (_b = _this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name],
});
});
},
enumerable: false,
configurable: true
});
return Element;
}(NodeWithChildren));
exports.Element = Element;
/**
* @param node Node to check.
* @returns `true` if the node is a `Element`, `false` otherwise.
*/
function isTag(node) {
return (0, domelementtype_1.isTag)(node);
}
exports.isTag = isTag;
/**
* @param node Node to check.
* @returns `true` if the node has the type `CDATA`, `false` otherwise.
*/
function isCDATA(node) {
return node.type === domelementtype_1.ElementType.CDATA;
}
exports.isCDATA = isCDATA;
/**
* @param node Node to check.
* @returns `true` if the node has the type `Text`, `false` otherwise.
*/
function isText(node) {
return node.type === domelementtype_1.ElementType.Text;
}
exports.isText = isText;
/**
* @param node Node to check.
* @returns `true` if the node has the type `Comment`, `false` otherwise.
*/
function isComment(node) {
return node.type === domelementtype_1.ElementType.Comment;
}
exports.isComment = isComment;
/**
* @param node Node to check.
* @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
*/
function isDirective(node) {
return node.type === domelementtype_1.ElementType.Directive;
}
exports.isDirective = isDirective;
/**
* @param node Node to check.
* @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
*/
function isDocument(node) {
return node.type === domelementtype_1.ElementType.Root;
}
exports.isDocument = isDocument;
/**
* @param node Node to check.
* @returns `true` if the node is a `NodeWithChildren` (has children), `false` otherwise.
*/
function hasChildren(node) {
return Object.prototype.hasOwnProperty.call(node, "children");
}
exports.hasChildren = hasChildren;
/**
* Clone a node, and optionally its children.
*
* @param recursive Clone child nodes as well.
* @returns A clone of the node.
*/
function cloneNode(node, recursive) {
if (recursive === void 0) { recursive = false; }
var result;
if (isText(node)) {
result = new Text(node.data);
}
else if (isComment(node)) {
result = new Comment(node.data);
}
else if (isTag(node)) {
var children = recursive ? cloneChildren(node.children) : [];
var clone_1 = new Element(node.name, __assign({}, node.attribs), children);
children.forEach(function (child) { return (child.parent = clone_1); });
if (node.namespace != null) {
clone_1.namespace = node.namespace;
}
if (node["x-attribsNamespace"]) {
clone_1["x-attribsNamespace"] = __assign({}, node["x-attribsNamespace"]);
}
if (node["x-attribsPrefix"]) {
clone_1["x-attribsPrefix"] = __assign({}, node["x-attribsPrefix"]);
}
result = clone_1;
}
else if (isCDATA(node)) {
var children = recursive ? cloneChildren(node.children) : [];
var clone_2 = new NodeWithChildren(domelementtype_1.ElementType.CDATA, children);
children.forEach(function (child) { return (child.parent = clone_2); });
result = clone_2;
}
else if (isDocument(node)) {
var children = recursive ? cloneChildren(node.children) : [];
var clone_3 = new Document(children);
children.forEach(function (child) { return (child.parent = clone_3); });
if (node["x-mode"]) {
clone_3["x-mode"] = node["x-mode"];
}
result = clone_3;
}
else if (isDirective(node)) {
var instruction = new ProcessingInstruction(node.name, node.data);
if (node["x-name"] != null) {
instruction["x-name"] = node["x-name"];
instruction["x-publicId"] = node["x-publicId"];
instruction["x-systemId"] = node["x-systemId"];
}
result = instruction;
}
else {
throw new Error("Not implemented yet: ".concat(node.type));
}
result.startIndex = node.startIndex;
result.endIndex = node.endIndex;
if (node.sourceCodeLocation != null) {
result.sourceCodeLocation = node.sourceCodeLocation;
}
return result;
}
exports.cloneNode = cloneNode;
function cloneChildren(childs) {
var children = childs.map(function (child) { return cloneNode(child, true); });
for (var i = 1; i < children.length; i++) {
children[i].prev = children[i - 1];
children[i - 1].next = children[i];
}
return children;
}