marko/src/runtime/components/legacy/jquery.js

UI Components + streaming, async, high performance, HTML templating for Node.js and the browser.

var ready = require("./ready");

var idRegExp = /^#(\S+)( .*)?/;

exports.patchComponent = function (jQuery, proto, delayThrow) {
  if (!jQuery && !delayThrow) {
    throw new Error("jQuery not found");
  }

  (proto || require("../Component").prototype).$ = function jqueryProxy(arg) {
    var args = arguments;
    // eslint-disable-next-line @typescript-eslint/no-this-alias
    var self = this;

    if (!(jQuery || (jQuery = window.$))) {
      throw new Error("jQuery not found");
    }

    if (args.length === 1) {
      //Handle an "ondomready" callback function
      if (typeof arg === "function") {
        return ready(function () {
          arg.call(self);
        });
      } else if (typeof arg === "string") {
        var match = idRegExp.exec(arg);
        //Reset the search to 0 so the next call to exec will start from the beginning for the new string
        if (match != null) {
          var key = match[1];
          if (match[2] == null) {
            return jQuery(self.getEl(key));
          } else {
            return jQuery(match[2].trim(), self.getEl(key));
          }
        } else {
          var rootEl = self.getEl();
          if (!rootEl) {
            throw new Error("Root element is not defined for component");
          }
          if (rootEl) {
            return jQuery(arg, rootEl);
          }
        }
      }
    } else if (args.length === 2 && typeof args[1] === "string") {
      return jQuery(arg, self.getEl(args[1]));
    } else if (args.length === 0) {
      return jQuery(self.el);
    }
    return jQuery.apply(window, arguments);
  };
};