144 lines
4.8 KiB
Plaintext
144 lines
4.8 KiB
Plaintext
"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var he_1 = require("he");
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var node_1 = __importDefault(require("./node"));
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var type_1 = __importDefault(require("./type"));
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/**
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* TextNode to contain a text element in DOM tree.
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* @param {string} value [description]
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*/
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var TextNode = /** @class */ (function (_super) {
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__extends(TextNode, _super);
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function TextNode(rawText, parentNode, range) {
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if (parentNode === void 0) { parentNode = null; }
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var _this = _super.call(this, parentNode, range) || this;
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/**
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* Node Type declaration.
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* @type {Number}
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*/
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_this.nodeType = type_1.default.TEXT_NODE;
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_this._rawText = rawText;
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return _this;
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}
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TextNode.prototype.clone = function () {
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return new TextNode(this._rawText, null);
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};
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Object.defineProperty(TextNode.prototype, "rawText", {
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get: function () {
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return this._rawText;
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},
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/**
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* Set rawText and invalidate trimmed caches
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*/
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set: function (text) {
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this._rawText = text;
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this._trimmedRawText = void 0;
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this._trimmedText = void 0;
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(TextNode.prototype, "trimmedRawText", {
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/**
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* Returns raw text with all whitespace trimmed except single leading/trailing non-breaking space
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*/
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get: function () {
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if (this._trimmedRawText !== undefined)
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return this._trimmedRawText;
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this._trimmedRawText = trimText(this.rawText);
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return this._trimmedRawText;
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(TextNode.prototype, "trimmedText", {
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/**
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* Returns text with all whitespace trimmed except single leading/trailing non-breaking space
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*/
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get: function () {
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if (this._trimmedText !== undefined)
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return this._trimmedText;
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this._trimmedText = trimText(this.text);
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return this._trimmedText;
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(TextNode.prototype, "text", {
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/**
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* Get unescaped text value of current node and its children.
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* @return {string} text content
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*/
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get: function () {
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return (0, he_1.decode)(this.rawText);
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(TextNode.prototype, "isWhitespace", {
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/**
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* Detect if the node contains only white space.
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* @return {boolean}
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*/
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get: function () {
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return /^(\s| )*$/.test(this.rawText);
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},
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enumerable: false,
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configurable: true
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});
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TextNode.prototype.toString = function () {
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return this.rawText;
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};
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return TextNode;
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}(node_1.default));
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exports.default = TextNode;
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/**
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* Trim whitespace except single leading/trailing non-breaking space
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*/
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function trimText(text) {
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var i = 0;
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var startPos;
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var endPos;
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while (i >= 0 && i < text.length) {
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if (/\S/.test(text[i])) {
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if (startPos === undefined) {
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startPos = i;
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i = text.length;
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}
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else {
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endPos = i;
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i = void 0;
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}
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}
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if (startPos === undefined)
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i++;
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else
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i--;
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}
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if (startPos === undefined)
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startPos = 0;
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if (endPos === undefined)
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endPos = text.length - 1;
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var hasLeadingSpace = startPos > 0 && /[^\S\r\n]/.test(text[startPos - 1]);
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var hasTrailingSpace = endPos < (text.length - 1) && /[^\S\r\n]/.test(text[endPos + 1]);
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return (hasLeadingSpace ? ' ' : '') + text.slice(startPos, endPos + 1) + (hasTrailingSpace ? ' ' : '');
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}
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