Class _SplitText

src/SplitText.js:165–329

  }
};
const _SplitText = class _SplitText {
  constructor(elements, config) {
    this.isSplit = false;
    _initIfNecessary();
    this.elements = _elements(elements);
    this.chars = [];
    this.words = [];
    this.lines = [];
    this.masks = [];
    this.vars = config;
    this.elements.forEach((el) => {
      var _a;
      config.overwrite !== false && ((_a = el[_splitProp]) == null ? void 0 : _a._data.orig.filter(({ element }) => element === el).forEach(_revertOriginal));
      el[_splitProp] = this;
    });
    this._split = () => this.isSplit && this.split(this.vars);
    let orig = [], timerId, checkWidths = () => {
      let i = orig.length, o;
      while (i--) {
        o = orig[i];
        let w = o.element.offsetWidth;
        if (w !== o.width) {
          o.width = w;
          this._split();
          return;
        }
      }
    };
    this._data = { orig, obs: typeof ResizeObserver !== "undefined" && new ResizeObserver(() => {
      clearTimeout(timerId);
      timerId = setTimeout(checkWidths, 200);
    }) };
    _context(this);
    this.split(config);
  }
  split(config) {
    (this._ctx || _defaultContext).add(() => {
      this.isSplit && this.revert();
      this.vars = config = config || this.vars || {};
      let { type = "chars,words,lines", aria = "auto", deepSlice = true, smartWrap, onSplit, autoSplit = false, specialChars, mask } = this.vars, splitLines = type.indexOf("lines") > -1, splitCharacters = type.indexOf("chars") > -1, splitWords = type.indexOf("words") > -1, onlySplitCharacters = splitCharacters && !splitWords && !splitLines, specialCharsRegEx = specialChars && ("push" in specialChars ? new RegExp("(?:" + specialChars.join("|") + ")", "gu") : specialChars), finalCharSplitRegEx = specialCharsRegEx ? new RegExp(specialCharsRegEx.source + "|" + _emojiSafeRegEx.source, "gu") : _emojiSafeRegEx, ignore = !!config.ignore && _elements(config.ignore), { orig, animTime, obs } = this._data, onSplitResult;
      if (splitCharacters || splitWords || splitLines) {
        this.elements.forEach((element, index) => {
          orig[index] = {
            element,
            html: element.innerHTML,
            ariaL: element.getAttribute("aria-label"),
            ariaH: element.getAttribute("aria-hidden")
          };
          aria === "auto" ? element.setAttribute("aria-label", (element.textContent || "").trim()) : aria === "hidden" && element.setAttribute("aria-hidden", "true");
          let chars = [], words = [], lines = [], charWrapper = splitCharacters ? _getWrapper("char", config, chars) : null, wordWrapper = _getWrapper("word", config, words), i, curWord, smartWrapSpan, nextSibling;
          _splitWordsAndCharsRecursively(element, config, wordWrapper, charWrapper, onlySplitCharacters, deepSlice && (splitLines || onlySplitCharacters), ignore, finalCharSplitRegEx, specialCharsRegEx, false);
          if (splitLines) {
            let nodes = _toArray(element.childNodes), wrapLine = _getLineWrapper(element, nodes, config, lines), curNode, toRemove = [], lineStartIndex = 0, allBounds = nodes.map((n) => n.nodeType === 1 ? n.getBoundingClientRect() : _emptyBounds), lastBounds = _emptyBounds, curBounds;
            for (i = 0; i < nodes.length; i++) {
              curNode = nodes[i];
              if (curNode.nodeType === 1) {
                if (curNode.nodeName === "BR") {
                  if (!i || nodes[i - 1].nodeName !== "BR") {