node.js 14 KB

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  1. "use strict";
  2. var __extends = (this && this.__extends) || (function () {
  3. var extendStatics = function (d, b) {
  4. extendStatics = Object.setPrototypeOf ||
  5. ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
  6. function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
  7. return extendStatics(d, b);
  8. };
  9. return function (d, b) {
  10. if (typeof b !== "function" && b !== null)
  11. throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
  12. extendStatics(d, b);
  13. function __() { this.constructor = d; }
  14. d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  15. };
  16. })();
  17. var __assign = (this && this.__assign) || function () {
  18. __assign = Object.assign || function(t) {
  19. for (var s, i = 1, n = arguments.length; i < n; i++) {
  20. s = arguments[i];
  21. for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
  22. t[p] = s[p];
  23. }
  24. return t;
  25. };
  26. return __assign.apply(this, arguments);
  27. };
  28. Object.defineProperty(exports, "__esModule", { value: true });
  29. 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;
  30. var domelementtype_1 = require("domelementtype");
  31. var nodeTypes = new Map([
  32. [domelementtype_1.ElementType.Tag, 1],
  33. [domelementtype_1.ElementType.Script, 1],
  34. [domelementtype_1.ElementType.Style, 1],
  35. [domelementtype_1.ElementType.Directive, 1],
  36. [domelementtype_1.ElementType.Text, 3],
  37. [domelementtype_1.ElementType.CDATA, 4],
  38. [domelementtype_1.ElementType.Comment, 8],
  39. [domelementtype_1.ElementType.Root, 9],
  40. ]);
  41. /**
  42. * This object will be used as the prototype for Nodes when creating a
  43. * DOM-Level-1-compliant structure.
  44. */
  45. var Node = /** @class */ (function () {
  46. /**
  47. *
  48. * @param type The type of the node.
  49. */
  50. function Node(type) {
  51. this.type = type;
  52. /** Parent of the node */
  53. this.parent = null;
  54. /** Previous sibling */
  55. this.prev = null;
  56. /** Next sibling */
  57. this.next = null;
  58. /** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
  59. this.startIndex = null;
  60. /** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
  61. this.endIndex = null;
  62. }
  63. Object.defineProperty(Node.prototype, "nodeType", {
  64. // Read-only aliases
  65. /**
  66. * [DOM spec](https://dom.spec.whatwg.org/#dom-node-nodetype)-compatible
  67. * node {@link type}.
  68. */
  69. get: function () {
  70. var _a;
  71. return (_a = nodeTypes.get(this.type)) !== null && _a !== void 0 ? _a : 1;
  72. },
  73. enumerable: false,
  74. configurable: true
  75. });
  76. Object.defineProperty(Node.prototype, "parentNode", {
  77. // Read-write aliases for properties
  78. /**
  79. * Same as {@link parent}.
  80. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  81. */
  82. get: function () {
  83. return this.parent;
  84. },
  85. set: function (parent) {
  86. this.parent = parent;
  87. },
  88. enumerable: false,
  89. configurable: true
  90. });
  91. Object.defineProperty(Node.prototype, "previousSibling", {
  92. /**
  93. * Same as {@link prev}.
  94. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  95. */
  96. get: function () {
  97. return this.prev;
  98. },
  99. set: function (prev) {
  100. this.prev = prev;
  101. },
  102. enumerable: false,
  103. configurable: true
  104. });
  105. Object.defineProperty(Node.prototype, "nextSibling", {
  106. /**
  107. * Same as {@link next}.
  108. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  109. */
  110. get: function () {
  111. return this.next;
  112. },
  113. set: function (next) {
  114. this.next = next;
  115. },
  116. enumerable: false,
  117. configurable: true
  118. });
  119. /**
  120. * Clone this node, and optionally its children.
  121. *
  122. * @param recursive Clone child nodes as well.
  123. * @returns A clone of the node.
  124. */
  125. Node.prototype.cloneNode = function (recursive) {
  126. if (recursive === void 0) { recursive = false; }
  127. return cloneNode(this, recursive);
  128. };
  129. return Node;
  130. }());
  131. exports.Node = Node;
  132. /**
  133. * A node that contains some data.
  134. */
  135. var DataNode = /** @class */ (function (_super) {
  136. __extends(DataNode, _super);
  137. /**
  138. * @param type The type of the node
  139. * @param data The content of the data node
  140. */
  141. function DataNode(type, data) {
  142. var _this = _super.call(this, type) || this;
  143. _this.data = data;
  144. return _this;
  145. }
  146. Object.defineProperty(DataNode.prototype, "nodeValue", {
  147. /**
  148. * Same as {@link data}.
  149. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  150. */
  151. get: function () {
  152. return this.data;
  153. },
  154. set: function (data) {
  155. this.data = data;
  156. },
  157. enumerable: false,
  158. configurable: true
  159. });
  160. return DataNode;
  161. }(Node));
  162. exports.DataNode = DataNode;
  163. /**
  164. * Text within the document.
  165. */
  166. var Text = /** @class */ (function (_super) {
  167. __extends(Text, _super);
  168. function Text(data) {
  169. return _super.call(this, domelementtype_1.ElementType.Text, data) || this;
  170. }
  171. return Text;
  172. }(DataNode));
  173. exports.Text = Text;
  174. /**
  175. * Comments within the document.
  176. */
  177. var Comment = /** @class */ (function (_super) {
  178. __extends(Comment, _super);
  179. function Comment(data) {
  180. return _super.call(this, domelementtype_1.ElementType.Comment, data) || this;
  181. }
  182. return Comment;
  183. }(DataNode));
  184. exports.Comment = Comment;
  185. /**
  186. * Processing instructions, including doc types.
  187. */
  188. var ProcessingInstruction = /** @class */ (function (_super) {
  189. __extends(ProcessingInstruction, _super);
  190. function ProcessingInstruction(name, data) {
  191. var _this = _super.call(this, domelementtype_1.ElementType.Directive, data) || this;
  192. _this.name = name;
  193. return _this;
  194. }
  195. return ProcessingInstruction;
  196. }(DataNode));
  197. exports.ProcessingInstruction = ProcessingInstruction;
  198. /**
  199. * A `Node` that can have children.
  200. */
  201. var NodeWithChildren = /** @class */ (function (_super) {
  202. __extends(NodeWithChildren, _super);
  203. /**
  204. * @param type Type of the node.
  205. * @param children Children of the node. Only certain node types can have children.
  206. */
  207. function NodeWithChildren(type, children) {
  208. var _this = _super.call(this, type) || this;
  209. _this.children = children;
  210. return _this;
  211. }
  212. Object.defineProperty(NodeWithChildren.prototype, "firstChild", {
  213. // Aliases
  214. /** First child of the node. */
  215. get: function () {
  216. var _a;
  217. return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
  218. },
  219. enumerable: false,
  220. configurable: true
  221. });
  222. Object.defineProperty(NodeWithChildren.prototype, "lastChild", {
  223. /** Last child of the node. */
  224. get: function () {
  225. return this.children.length > 0
  226. ? this.children[this.children.length - 1]
  227. : null;
  228. },
  229. enumerable: false,
  230. configurable: true
  231. });
  232. Object.defineProperty(NodeWithChildren.prototype, "childNodes", {
  233. /**
  234. * Same as {@link children}.
  235. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  236. */
  237. get: function () {
  238. return this.children;
  239. },
  240. set: function (children) {
  241. this.children = children;
  242. },
  243. enumerable: false,
  244. configurable: true
  245. });
  246. return NodeWithChildren;
  247. }(Node));
  248. exports.NodeWithChildren = NodeWithChildren;
  249. /**
  250. * The root node of the document.
  251. */
  252. var Document = /** @class */ (function (_super) {
  253. __extends(Document, _super);
  254. function Document(children) {
  255. return _super.call(this, domelementtype_1.ElementType.Root, children) || this;
  256. }
  257. return Document;
  258. }(NodeWithChildren));
  259. exports.Document = Document;
  260. /**
  261. * An element within the DOM.
  262. */
  263. var Element = /** @class */ (function (_super) {
  264. __extends(Element, _super);
  265. /**
  266. * @param name Name of the tag, eg. `div`, `span`.
  267. * @param attribs Object mapping attribute names to attribute values.
  268. * @param children Children of the node.
  269. */
  270. function Element(name, attribs, children, type) {
  271. if (children === void 0) { children = []; }
  272. if (type === void 0) { type = name === "script"
  273. ? domelementtype_1.ElementType.Script
  274. : name === "style"
  275. ? domelementtype_1.ElementType.Style
  276. : domelementtype_1.ElementType.Tag; }
  277. var _this = _super.call(this, type, children) || this;
  278. _this.name = name;
  279. _this.attribs = attribs;
  280. return _this;
  281. }
  282. Object.defineProperty(Element.prototype, "tagName", {
  283. // DOM Level 1 aliases
  284. /**
  285. * Same as {@link name}.
  286. * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
  287. */
  288. get: function () {
  289. return this.name;
  290. },
  291. set: function (name) {
  292. this.name = name;
  293. },
  294. enumerable: false,
  295. configurable: true
  296. });
  297. Object.defineProperty(Element.prototype, "attributes", {
  298. get: function () {
  299. var _this = this;
  300. return Object.keys(this.attribs).map(function (name) {
  301. var _a, _b;
  302. return ({
  303. name: name,
  304. value: _this.attribs[name],
  305. namespace: (_a = _this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
  306. prefix: (_b = _this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name],
  307. });
  308. });
  309. },
  310. enumerable: false,
  311. configurable: true
  312. });
  313. return Element;
  314. }(NodeWithChildren));
  315. exports.Element = Element;
  316. /**
  317. * @param node Node to check.
  318. * @returns `true` if the node is a `Element`, `false` otherwise.
  319. */
  320. function isTag(node) {
  321. return (0, domelementtype_1.isTag)(node);
  322. }
  323. exports.isTag = isTag;
  324. /**
  325. * @param node Node to check.
  326. * @returns `true` if the node has the type `CDATA`, `false` otherwise.
  327. */
  328. function isCDATA(node) {
  329. return node.type === domelementtype_1.ElementType.CDATA;
  330. }
  331. exports.isCDATA = isCDATA;
  332. /**
  333. * @param node Node to check.
  334. * @returns `true` if the node has the type `Text`, `false` otherwise.
  335. */
  336. function isText(node) {
  337. return node.type === domelementtype_1.ElementType.Text;
  338. }
  339. exports.isText = isText;
  340. /**
  341. * @param node Node to check.
  342. * @returns `true` if the node has the type `Comment`, `false` otherwise.
  343. */
  344. function isComment(node) {
  345. return node.type === domelementtype_1.ElementType.Comment;
  346. }
  347. exports.isComment = isComment;
  348. /**
  349. * @param node Node to check.
  350. * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
  351. */
  352. function isDirective(node) {
  353. return node.type === domelementtype_1.ElementType.Directive;
  354. }
  355. exports.isDirective = isDirective;
  356. /**
  357. * @param node Node to check.
  358. * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
  359. */
  360. function isDocument(node) {
  361. return node.type === domelementtype_1.ElementType.Root;
  362. }
  363. exports.isDocument = isDocument;
  364. /**
  365. * @param node Node to check.
  366. * @returns `true` if the node is a `NodeWithChildren` (has children), `false` otherwise.
  367. */
  368. function hasChildren(node) {
  369. return Object.prototype.hasOwnProperty.call(node, "children");
  370. }
  371. exports.hasChildren = hasChildren;
  372. /**
  373. * Clone a node, and optionally its children.
  374. *
  375. * @param recursive Clone child nodes as well.
  376. * @returns A clone of the node.
  377. */
  378. function cloneNode(node, recursive) {
  379. if (recursive === void 0) { recursive = false; }
  380. var result;
  381. if (isText(node)) {
  382. result = new Text(node.data);
  383. }
  384. else if (isComment(node)) {
  385. result = new Comment(node.data);
  386. }
  387. else if (isTag(node)) {
  388. var children = recursive ? cloneChildren(node.children) : [];
  389. var clone_1 = new Element(node.name, __assign({}, node.attribs), children);
  390. children.forEach(function (child) { return (child.parent = clone_1); });
  391. if (node.namespace != null) {
  392. clone_1.namespace = node.namespace;
  393. }
  394. if (node["x-attribsNamespace"]) {
  395. clone_1["x-attribsNamespace"] = __assign({}, node["x-attribsNamespace"]);
  396. }
  397. if (node["x-attribsPrefix"]) {
  398. clone_1["x-attribsPrefix"] = __assign({}, node["x-attribsPrefix"]);
  399. }
  400. result = clone_1;
  401. }
  402. else if (isCDATA(node)) {
  403. var children = recursive ? cloneChildren(node.children) : [];
  404. var clone_2 = new NodeWithChildren(domelementtype_1.ElementType.CDATA, children);
  405. children.forEach(function (child) { return (child.parent = clone_2); });
  406. result = clone_2;
  407. }
  408. else if (isDocument(node)) {
  409. var children = recursive ? cloneChildren(node.children) : [];
  410. var clone_3 = new Document(children);
  411. children.forEach(function (child) { return (child.parent = clone_3); });
  412. if (node["x-mode"]) {
  413. clone_3["x-mode"] = node["x-mode"];
  414. }
  415. result = clone_3;
  416. }
  417. else if (isDirective(node)) {
  418. var instruction = new ProcessingInstruction(node.name, node.data);
  419. if (node["x-name"] != null) {
  420. instruction["x-name"] = node["x-name"];
  421. instruction["x-publicId"] = node["x-publicId"];
  422. instruction["x-systemId"] = node["x-systemId"];
  423. }
  424. result = instruction;
  425. }
  426. else {
  427. throw new Error("Not implemented yet: ".concat(node.type));
  428. }
  429. result.startIndex = node.startIndex;
  430. result.endIndex = node.endIndex;
  431. if (node.sourceCodeLocation != null) {
  432. result.sourceCodeLocation = node.sourceCodeLocation;
  433. }
  434. return result;
  435. }
  436. exports.cloneNode = cloneNode;
  437. function cloneChildren(childs) {
  438. var children = childs.map(function (child) { return cloneNode(child, true); });
  439. for (var i = 1; i < children.length; i++) {
  440. children[i].prev = children[i - 1];
  441. children[i - 1].next = children[i];
  442. }
  443. return children;
  444. }