text-tp2.js

(function(){var e,t,n,r,i,s,o,u=!0,a=window.sharejs,f={name:"text-tp2",tp2:!0,create:function(){return{charLength:0,totalLength:0,positionCache:[],data:[]}},serialize:function(e){if(!e.data)throw new Error("invalid doc snapshot");return e.data},deserialize:function(e){var t,n,r,i=f.create();i.data=e;for(n=0,r=e.length;n<r;n++)t=e[n],typeof t=="string"?(i.charLength+=t.length,i.totalLength+=t.length):i.totalLength+=t;return i}},l=function(e){var t,n,r,i,s;if(!Array.isArray(e))throw new Error("Op must be an array of components");n=null,s=[];for(r=0,i=e.length;r<i;r++){t=e[r];if(typeof t=="object")if(t.i!==void 0){if(!(typeof t.i=="string"&&t.i.length>0||typeof t.i=="number"&&t.i>0))throw new Error("Inserts must insert a string or a +ive number")}else{if(t.d===void 0)throw new Error("Operation component must define .i or .d");if(!(typeof t.d=="number"&&t.d>0))throw new Error("Deletes must be a +ive number")}else{if(typeof t!="number")throw new Error("Op components must be objects or numbers");if(!(t>0))throw new Error("Skip components must be a positive number");if(typeof n=="number")throw new Error("Adjacent skip components should be combined")}s.push(n=t)}return s};f._takeDoc=s=function(e,t,n,r){var i,s,o;if(t.index>=e.data.length)throw new Error("Operation goes past the end of the document");return i=e.data[t.index],s=typeof i=="string"?n!==void 0?i.slice(t.offset,t.offset+n):i.slice(t.offset):n===void 0||r?i-t.offset:Math.min(n,i-t.offset),o=s.length||s,(i.length||i)-t.offset>o?t.offset+=o:(t.index++,t.offset=0),s},f._appendDoc=t=function(e,t){var n;if(t===0||t==="")return;typeof t=="string"?(e.charLength+=t.length,e.totalLength+=t.length):e.totalLength+=t,n=e.data,n.length===0?n.push(t):typeof n[n.length-1]==typeof t?n[n.length-1]+=t:n.push(t)},f.apply=function(e,n){var r,i,o,u,a,c,h;if(e.totalLength===void 0||e.charLength===void 0||e.data.length===void 0)throw new Error("Snapshot is invalid");l(n),i=f.create(),u={index:0,offset:0};for(c=0,h=n.length;c<h;c++){r=n[c];if(typeof r=="number"){a=r;while(a>0)o=s(e,u,a),t(i,o),a-=o.length||o}else if(r.i!==void 0)t(i,r.i);else if(r.d!==void 0){a=r.d;while(a>0)o=s(e,u,a),a-=o.length||o;t(i,r.d)}}return i},f._append=e=function(e,t){var n;if(t!==0&&t.i!==""&&t.i!==0&&t.d!==0)return e.length===0?e.push(t):(n=e[e.length-1],typeof t=="number"&&typeof n=="number"?e[e.length-1]+=t:t.i!==void 0&&n.i!=null&&typeof n.i==typeof t.i?n.i+=t.i:t.d!==void 0&&n.d!=null?n.d+=t.d:e.push(t))},i=function(e){var t=0,n=0,r=function(r,i){var s,o,u,a;return t===e.length?null:(u=e[t],typeof (o=u)=="number"||typeof (o=u.i)=="number"||(o=u.d)!==void 0?(r==null||o-n<=r||i&&u.i!==void 0?(s=o-n,++t,n=0):(n+=r,s=r),u.i!==void 0?{i:s}:u.d!==void 0?{d:s}:s):(r==null||u.i.length-n<=r||i?(a={i:u.i.slice(n)},++t,n=0):(a={i:u.i.slice(n,n+r)},n+=r),a))},i=function(){return e[t]};return[r,i]},r=function(e){return typeof e=="number"?e:typeof e.i=="string"?e.i.length:e.d||e.i},f.normalize=function(t){var n,r,i,s=[];for(r=0,i=t.length;r<i;r++)n=t[r],e(s,n);return s},o=function(t,n,s,o){var u,a,f,c,h,p,d,v,m,g;l(t),l(n),c=[],m=i(t),p=m[0],h=m[1];for(d=0,v=n.length;d<v;d++){a=n[d],f=r(a);if(a.i!==void 0)if(s){if(o==="left")while(((g=h())!=null?g.i:void 0)!==void 0)e(c,p());e(c,f)}else while(f>0){u=p(f,!0);if(u===null)throw new Error("The transformed op is invalid");if(u.d!==void 0)throw new Error("The transformed op deletes locally inserted characters - 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