@atlaskit/editor-plugin-width/dist/cjs/pm-plugins/main.js

Width plugin for @atlaskit/editor-core

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createPlugin = createPlugin;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _safePlugin = require("@atlaskit/editor-common/safe-plugin");
var _isExperimentEnabled = require("@atlaskit/platform-feature-experiments/is-experiment-enabled");
var _pluginKey = require("./plugin-key");
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2.default)(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function createPlugin(dispatch) {
  return new _safePlugin.SafePlugin({
    key: _pluginKey.pluginKey,
    state: {
      init: function init() {
        return {
          // The init value of width is a placeholder, it cannot be 0,
          // we use the window dimension, which will not cause reflow at the start.
          // `innerWidth` excludes browser chrome and follows page zoom, unlike `outerWidth`.
          width: (0, _isExperimentEnabled.isExperimentEnabled)('platform_editor_reduce_forced_layout') ? window.innerWidth : document.body.offsetWidth
        };
      },
      apply: function apply(tr, pluginState) {
        var meta = tr.getMeta(_pluginKey.pluginKey);
        if (!meta) {
          return pluginState;
        }
        var newPluginState = _objectSpread(_objectSpread({}, pluginState), meta);
        if (newPluginState && (pluginState.width !== newPluginState.width || pluginState.lineLength !== newPluginState.lineLength)) {
          dispatch(_pluginKey.pluginKey, newPluginState);
          return newPluginState;
        }
        return pluginState;
      }
    }
  });
}