index.js

var Vue = null;

var applyMixin = function(Vue) {
  var version = Number(Vue.version.split(".")[0]);

  if (version >= 2) {
    Vue.mixin({
      beforeCreate: hoodieInit
    });
  } else {
    var _init = Vue.prototype._init;
    Vue.prototype._init = function(options) {
      if (options === void 0) options = {};

      options.init = options.init
        ? [hoodieInit].concat(options.init)
        : hoodieInit;
      _init.call(this, options);
    };
  }

  function hoodieInit() {
    var options = this.$options;
    if (options.hoodie) {
      this.$hoodie =
        typeof options.hoodie === "function"
          ? options.hoodie()
          : options.hoodie;
    } else if (options.parent && options.parent.$hoodie) {
      this.$hoodie = options.parent.$hoodie;
    }
  }
};

function install(_Vue, options) {
  if (Vue && _Vue === Vue) {
    if (process.env.NODE_ENV !== "production") {
      console.error(
        "[hoodie] already installed. Vue.use(VueHoodie) should be called only once."
      );
    }
    return;
  }
  Vue = _Vue;
  applyMixin(_Vue, options);
}

var VueHoodie = {
  install: install
};

export default VueHoodie;