framework7/cjs/modules/component/snabbdom/thunk.js

Full featured mobile HTML framework for building iOS & Android apps

"use strict";

exports.__esModule = true;
exports.default = exports.thunk = void 0;

var _h = require("./h");

function copyToThunk(vnode, thunk) {
  thunk.elm = vnode.elm;
  vnode.data.fn = thunk.data.fn;
  vnode.data.args = thunk.data.args;
  thunk.data = vnode.data;
  thunk.children = vnode.children;
  thunk.text = vnode.text;
  thunk.elm = vnode.elm;
}

function init(thunk) {
  var cur = thunk.data;
  var vnode = cur.fn.apply(undefined, cur.args);
  copyToThunk(vnode, thunk);
}

function prepatch(oldVnode, thunk) {
  var i,
      old = oldVnode.data,
      cur = thunk.data;
  var oldArgs = old.args,
      args = cur.args;

  if (old.fn !== cur.fn || oldArgs.length !== args.length) {
    copyToThunk(cur.fn.apply(undefined, args), thunk);
    return;
  }

  for (i = 0; i < args.length; ++i) {
    if (oldArgs[i] !== args[i]) {
      copyToThunk(cur.fn.apply(undefined, args), thunk);
      return;
    }
  }

  copyToThunk(oldVnode, thunk);
}

var thunk = function thunk(sel, key, fn, args) {
  if (args === undefined) {
    args = fn;
    fn = key;
    key = undefined;
  }

  return (0, _h.h)(sel, {
    key: key,
    hook: {
      init: init,
      prepatch: prepatch
    },
    fn: fn,
    args: args
  });
};

exports.thunk = thunk;
var _default = thunk;
exports.default = _default;