@atlaskit/editor-plugin-show-diff/dist/esm/pm-plugins/calculateDiff/smart/thresholds.js

ShowDiff plugin for @atlaskit/editor-core

import _defineProperty from "@babel/runtime/helpers/defineProperty";
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) { _defineProperty(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; }
/**
 * Configurable thresholds for the `smart` diffType.
 *
 * See docs/smart-diff-design.md §3 and §6 for the exact semantics of each level.
 */

export var DEFAULT_SMART_THRESHOLDS = {
  sentence: {
    ratio: 0.4,
    minChanged: 2
  },
  paragraph: {
    ratio: 0.4,
    minChanged: 2
  },
  node: {
    ratio: 0.6,
    textBearingRatio: 0.6
  }
};

/**
 * Merge caller overrides onto the defaults. Overrides are shallow-merged per level so a
 * caller can tune a single field (e.g. only `sentence.ratio`) without re-specifying the
 * rest.
 */
export var resolveThresholds = function resolveThresholds(overrides) {
  if (!overrides) {
    return DEFAULT_SMART_THRESHOLDS;
  }
  return {
    sentence: _objectSpread(_objectSpread({}, DEFAULT_SMART_THRESHOLDS.sentence), overrides.sentence),
    paragraph: _objectSpread(_objectSpread({}, DEFAULT_SMART_THRESHOLDS.paragraph), overrides.paragraph),
    node: _objectSpread(_objectSpread({}, DEFAULT_SMART_THRESHOLDS.node), overrides.node)
  };
};