slate-history/dist/slate-history.min.js

An operation-based history implementation for Slate editors.

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e=r.operations,o=r.history,i=o.undos,u=i[i.length-1],l=u&&u.operations[u.operations.length-1],p=s.isSaving(r),c=s.isMerging(r);if(null==p&&(p=B(t)),p){if(null==c&&(c=null!=u&&(!!e.includes(l)||H(t,l))),!c&&!a&&u&&e.includes(l)&&(c=!0),s.isSplittingOnce(r)&&(c=!1,s.setSplittingOnce(r,void 0)),u&&c)u.operations.push(t);else{var h={operations:[t],selectionBefore:r.selection};r.writeHistory("undos",h)}for(;i.length>100;)i.shift();o.redos=[]}else f||"set_selection"===t.type||j(o,t);a=!1,n(t)},r.normalize=function(t){o(t),e.Editor.isNormalizing(r)&&(a=!0)},r.setChildren=function(t){var e=r.history.undos[r.history.undos.length-1],n=null==e?void 0:e.operations.length;s.withNewBatch(r,(function(){return i(t)}));var o=r.history.undos[r.history.undos.length-1];o===e&&(null==o?void 0:o.operations.length)===n||s.setSplittingOnce(r,!0)},r.writeHistory=function(t,e){r.history[t].push(e)},r}}));