tinybase
Version:
A reactive data store and sync engine.
2 lines (1 loc) • 10.9 kB
JavaScript
const a=a=>typeof a,t="tinybase",e="",n=",",s=a(e),i="true",l="t",r=(a,t,e)=>a.replace(t,e),o=Promise,c=clearInterval,d=a=>null==a,u=(a,t,e)=>d(a)?e?.():t(a),y=t=>a(t)==s,E=a=>Array.isArray(a),w=(a,t,e)=>a.slice(t,e),T=a=>a.length,N=()=>{},p=async a=>o.all(a),_=a=>{throw Error(a)},O=async(a,t,e)=>{try{return await a()}catch(a){t?.(a)}},m=(a,t)=>a.forEach(t),A=(a,t="")=>a.join(t),S=(a,t)=>a.map(t),v=a=>0==T(a),g=(a,t)=>a.filter(t),L=(a,...t)=>a.push(...t),R=a=>a.shift(),h=Object,f=a=>h.getPrototypeOf(a),I=h.entries,$=h.keys,b=h.freeze,C=(a=[])=>h.fromEntries(a),P=(...a)=>h.assign({},...a),D=(a,t)=>t in a,U=(a,t)=>(delete a[t],a),x=(a,t)=>m(I(a),([a,e])=>t(e,a)),M=(a,t)=>S(I(a),([a,e])=>t(e,a)),X=(a,t)=>C(M(a,(a,e)=>[e,t(a,e)])),J=a=>h.values(a),F=a=>T($(a)),V=a=>(a=>!d(a)&&u(f(a),a=>a==h.prototype||d(f(a)),()=>!0))(a)&&0==F(a),B=(a,t,e)=>(D(a,t)||(a[t]=e()),a[t]),G=JSON.stringify,Y=JSON.parse,j=(a,t)=>a?.has(t)??!1,z=a=>d(a)||0==(a=>a?.size??0)(a),k=a=>[...a?.values()??[]],q=(a,t)=>a?.forEach(t),H=(a,t)=>a?.delete(t),K=a=>new Map(a),Q=(a,t)=>a?.get(t),W=(a,t)=>S([...a?.entries()??[]],([a,e])=>t(e,a)),Z=(a,t,e)=>d(e)?(H(a,t),a):a?.set(t,e),aa=(a,t,e,n)=>(j(a,t)?n?.(Q(a,t)):Z(a,t,e()),Q(a,t)),ta=(a,t,e,n,s=0)=>u((e?aa:Q)(a,t[s],s>T(t)-2?e:K),i=>{if(s>T(t)-2)return n?.(i)&&Z(a,t[s]),i;const l=ta(i,t,e,n,s+1);return z(i)&&Z(a,t[s]),l}),ea=(a,t,e)=>{t>a[1]&&(a[1]=t),a[2]=e>>>0},na=/^\d+$/,sa=a=>new Set(E(a)||d(a)?a:[a]),ia=(a,t)=>a?.add(t),la=K(),ra=K(),oa=(a,t,n,s,i,l,r,o={},c=0,y=[])=>{let w,N,p,A=0,S=0,v=0;aa(la,y,()=>0),aa(ra,y,()=>[]);const g=K(),[h,f,I,$,C]=((a=1,t,e)=>1!=a&&t.isMergeable()?[1,t.getMergeableContent,()=>t.getTransactionMergeableChanges(!e),([[a],[t]])=>!V(a)||!V(t),t.setDefaultContent]:2!=a?[0,t.getContent,t.getTransactionChanges,([a,t])=>!V(a)||!V(t),t.setContent]:_("Store type not supported by this Persister"))(r,a,c),[P,D,U]=(()=>{let a;const[t,n]=(()=>{const a=[];let t=0;return[n=>(n?R(a):null)??e+t++,t=>{na.test(t)&&T(a)<1e3&&L(a,t)}]})(),s=K();return[(n,i,l,r=[],o=()=>[])=>{a??=W;const c=t(1);return Z(s,c,[n,i,l,r,o]),ia(ta(i,l??[e],sa),c),c},(t,n,...i)=>m(((a,t=[e])=>{const n=[],s=(a,e)=>e==T(t)?L(n,a):null===t[e]?q(a,a=>s(a,e+1)):m([t[e],null],t=>s(Q(a,t),e+1));return s(a,0),n})(t,n),t=>q(t,t=>Q(s,t)[0](a,...n??[],...i))),a=>u(Q(s,a),([,t,i])=>(ta(t,i??[e],void 0,t=>(H(t,a),z(t)?1:0)),Z(s,a),n(a),i)),t=>u(Q(s,t),([t,,e=[],n,s])=>{const i=(...l)=>{const r=T(l);r==T(e)?t(a,...l,...s(l)):d(e[r])?m(n[r]?.(...l)??[],a=>i(...l,a)):i(...l,e[r])};i()})]})(),x=a=>{a!=A&&(A=a,D(g,void 0,A))},M=t=>{(h&&E(t?.[0])?1===t?.[2]?a.applyMergeableChanges:a.setMergeableContent:1===t?.[2]?a.applyChanges:a.setContent)(t)},X=async a=>(2!=A&&(x(1),S++,await k(async()=>{await O(async()=>{const e=await t();E(e)?M(e):a?C(a):_("Content is not an array: "+e)},()=>{a&&C(a)}),x(0)})),W),J=async a=>(F(),await X(a),await O(async()=>N=await s(async(a,t)=>{t||a?2!=A&&(x(1),S++,M(t??a),x(0)):await X()}),l),W),F=async()=>(N&&(await O(()=>i(N),l),N=void 0),W),B=async a=>(1!=A&&(x(2),v++,await k(async()=>{await O(()=>n(f,a),l),x(0)})),W),G=async()=>(Y(),await B(),p=a.addDidFinishTransactionListener(()=>{const a=I();$(a)&&B(a)}),W),Y=async()=>(p&&(a.delListener(p),p=void 0),W),j=async(a=!1)=>{const[t,e]=a?[Y,F]:[F,Y];return await t(),await e(),W},k=async(...a)=>(L(Q(ra,y),...a),await(async()=>{if(!Q(la,y)){for(Z(la,y,1);!d(w=R(Q(ra,y)));)await O(w,l);Z(la,y,0)}})(),W),W={load:X,startAutoLoad:J,stopAutoLoad:F,isAutoLoading:()=>!d(N),save:B,startAutoSave:G,stopAutoSave:Y,isAutoSaving:()=>!d(p),startAutoPersisting:async(a,t=!1)=>{const[e,n]=t?[G,J]:[J,G];return await e(a),await n(a),W},stopAutoPersisting:j,getStatus:()=>A,addStatusListener:a=>P(a,g),delListener:t=>(U(t),a),schedule:k,getStore:()=>a,destroy:()=>(Q(ra,y).splice(0,void 0),j()),getStats:()=>({loads:S,saves:v}),...o};return b(W)},ca="_",da="_id",ua="SELECT",ya="WHERE",Ea="TABLE",wa="ALTER "+Ea,Ta="FROM",Na="DELETE "+Ta,pa=ua+"*"+Ta,_a="pragma_",Oa="data_version",ma="schema_version",Aa="pragma_table_",Sa="CREATE "+Ea,va=a=>A(S(((a,t="",e)=>a.split(t,e))(a,"."),a=>`"${r(a,/"/g,'""')}"`),"."),ga=(a,t=[1])=>A(S(a,()=>"$"+t[0]++),n),La=(a,t=i)=>ya+`(${r(t,"$tableName",va(a))})`,Ra="ColumnName",ha="store",fa="json",Ia=ha+"TableName",$a=ha+"Id"+Ra,ba=ha+Ra,Ca="autoLoadIntervalSeconds",Pa="rowId"+Ra,Da="tableId",Ua="tableName",xa="deleteEmptyColumns",Ma="deleteEmptyTable",Xa="condition",Ja={mode:fa,[Ca]:1},Fa={load:0,save:0,[Ua]:t+"_values"},Va=(a,t,e,n,s)=>{const i=K();return X(a,(a,l)=>{const r=w(J(P(t,y(a)?{[e]:a}:a)),0,F(t));d(r[0])||n(l,r[0])||(s(l,r[0]),Z(i,l,r))}),i},Ba=(a,t,e,s,l,r=Ga,o,c)=>{const u=K();return[async()=>{u.clear(),S(await e(a,t),({tn:a,cn:t})=>ia(aa(u,a,sa),t))},async(t,e,n)=>((a,t)=>j(Q(u,a),t))(t,e)?C(g(S(await a(pa+va(t)+La(t,n)),a=>[a[e],c?X(U(a,e),c):U(a,e)]),([a,t])=>!d(a)&&!V(t))):{},async(t,e,s,c,y,E=!1,w=i)=>{const T=sa();X(s??{},a=>S($(a??{}),a=>ia(T,a)));const N=k(T);if(!E&&y&&w==i&&v(N)&&j(u,t))return await a("DROP "+Ea+va(t)),void Z(u,t);const _=Q(u,t),O=sa(k(_));if(v(N)||(j(u,t)?await p(S([e,...N],async(n,s)=>{H(O,n)||(await a(wa+va(t)+"ADD"+va(n)+l),0==s&&await a("CREATE UNIQUE INDEX pk ON "+va(t)+`(${va(e)})`),ia(_,n))})):(await a(Sa+va(t)+`(${va(e)}${l} PRIMARY KEY${A(S(N,a=>n+va(a)+l))});`),Z(u,t,sa([e,...N])))),await p([...!E&&c?S(k(O),async n=>{n!=e&&(await a(wa+va(t)+"DROP"+va(n)),H(_,n))}):[]]),E)d(s)?await a(Na+va(t)+La(t,w)):await p(M(s,async(n,s)=>{d(n)?await a(Na+va(t)+La(t,w)+`AND(${va(e)}=$1)`,[s]):v(N)||await r(a,t,e,$(n),{[s]:o?S(J(n),o):J(n)},_)}));else if(v(N))j(u,t)&&await a(Na+va(t)+La(t,w));else{const n=g(k(Q(u,t)),a=>a!=e),i={},l=[];X(s??{},(a,t)=>{i[t]=S(n,t=>o?o(a?.[t]):a?.[t]),L(l,t)}),await r(a,t,e,n,i),await a(Na+va(t)+La(t,w)+`AND${va(e)}NOT IN(${ga(l)})`,l)}},async t=>{let e;return await a("BEGIN"),await O(async()=>e=await t(),s),await a("END"),e}]},Ga=async(a,t,e,s,i)=>{const l=[1];await a("INSERT INTO"+va(t)+"("+((...a)=>A(S(a,va),n))(e,...s)+")VALUES"+A(M(i,a=>"($"+l[0]+++","+ga(a,l)+")"),n)+"ON CONFLICT("+va(e)+")DO UPDATE SET"+A(S(s,a=>va(a)+"=excluded."+va(a)),n),M(i,(a,t)=>[t,...S(a,a=>a??null)]).flat())},Ya=(a,t,e,n,s,i,l,[r,o,c],d,u,y,E,w,T)=>{const[N,p,_,O]=Ba(t,d,u,s,w,T),m=oa(a,()=>O(async()=>{return await N(),a=(await p(r,o))[ca]?.[c]??"null",Y(a,(a,t)=>""===t?void 0:t);var a}),a=>O(async()=>{var t;await N(),await _(r,o,{[ca]:{[c]:(t=a()??null,G(t,(a,t)=>void 0===t?"":t))}},!0,!0)}),e,n,s,l,{[E]:()=>y,destroy:async()=>(await m.stopAutoPersisting(),i(),m)},0,y);return m},ja=(a,t,e,n,s,i,l,[r,o,[c,u,y]],E,w,T,N,_,O,m,A)=>{const[S,v,L,R]=Ba(t,E,w,s,_,O,m,A),h=(a,t)=>p(W(o,async([e,n,s,i,l],r)=>{t&&!D(a,r)||await L(e,n,a[r],s,i,t,l)})),f=async(a,t)=>u?await L(y,da,{[ca]:a},!0,!0,t):null,I=oa(a,()=>R(async()=>{await S();const a=await(async()=>C(g(await p(W(r,async([a,t,e],n)=>[a,await v(n,t,e)])),a=>!V(a[1]))))(),t=await(async()=>c?(await v(y,da))[ca]:{})();return V(a)&&d(t)?void 0:[a,t]}),(a,t)=>R(async()=>{if(await S(),d(t)){const[t,e]=a();await h(t),await f(e)}else await h(t[0],!0),await f(t[1],!0)}),e,n,s,l,{[N]:()=>T,destroy:async()=>(await I.stopAutoPersisting(),i(),I)},0,T);return I},za=(a,n,s,l,r,o,d,u,E,T,N="getDb",p)=>{let _,m,A;const S=((a,t)=>t?async(e,n)=>(t(e,n),await a(e,n)):a)(s,o),[v,g,L,R]=(a=>{const e=(a=>P(Ja,y(a)?{[Ia]:a}:a??{}))(a),n=e[Ca];if(e.mode==fa){const a=e[Ia]??t;return[1,n,[a,e[$a]??da,e[ba]??ha],sa(a)]}const{tables:{load:s={},save:l={}}={},values:r={}}=e,o=w(J(P(Fa,r)),0,F(Fa)),c=o[2],d=sa(c),u=sa(c),E=Va(s,{[Da]:null,[Pa]:da,[Xa]:i},Da,a=>j(u,a),a=>ia(d,a)),T=Va(l,{[Ua]:null,[Pa]:da,[xa]:0,[Ma]:0,[Xa]:null},Ua,(a,t)=>j(u,t),(a,t)=>ia(d,t));var N;return N=(a,t)=>t[4]??=Q(E,t[0])?.[2]??i,q(T,(a,t)=>N(0,a)),[0,n,[E,T,o],d]})(n);return(v?Ya:ja)(a,S,a=>{let t;const e=()=>t=setInterval(()=>O(async()=>{const[{d:t,s:e,c:n}]=await S(ua+` ${Oa} d,${ma} s,TOTAL_CHANGES() c FROM ${_a}${Oa} JOIN ${_a}${ma}`);t==_&&e==m&&n==A||(null!=_&&a(),_=t,m=e,A=n)}),1e3*g),n=()=>{_=m=A=null,c(t)},s=l(t=>{R.has(t)&&(n(),a(),e())});return e(),()=>{n(),r(s)}},a=>a(),d,u,E,L,k(R),async(a,t)=>await a(ua+` t.name tn,c.name cn FROM ${Aa}list()t,${Aa}info(t.name)c ${ya} t.schema='main'AND t.type IN('table','view')AND t.name IN(${ga(t)})ORDER BY t.name,c.name`,t),T,N,e,p,a=>!0===a?1:!1===a?0:a,void 0)},ka=(a,t,n,s,i)=>"object"==typeof n&&"fragmented"===n.mode?Ha(a,t,n?.storagePrefix??e,i):za(a,n,async(a,e=[])=>["BEGIN","END"].includes(a)?[]:(a=a.replace(/\$\d+/g,"?"),t.exec(a,...e).toArray()),()=>N,a=>a(),s,i,N,2,t,"getSqlStorage"),qa=()=>[{},e,0],Ha=(a,t,e="",n)=>{const s=e.replace(/[^a-zA-Z0-9_]/g,"_"),i=s+"tinybase_tables",r=s+"tinybase_values";return t.exec(`\n CREATE TABLE IF NOT EXISTS ${i} (\n type TEXT NOT NULL,\n table_id TEXT,\n row_id TEXT,\n cell_id TEXT,\n value_data TEXT NOT NULL,\n timestamp TEXT NOT NULL,\n hash INTEGER NOT NULL,\n PRIMARY KEY (type, table_id, row_id, cell_id)\n );\n \n CREATE TABLE IF NOT EXISTS ${r} (\n value_id TEXT,\n value_data TEXT NOT NULL,\n timestamp TEXT NOT NULL,\n hash INTEGER NOT NULL\n );\n `),oa(a,async()=>{const a=qa(),e=qa(),n=t.exec("SELECT * FROM "+i);for(const t of n.toArray()){const e=t.type+"",n=t.table_id?t.table_id+"":null,s=t.row_id?t.row_id+"":null,i=t.cell_id?t.cell_id+"":null,r=t.value_data+"",o=t.timestamp+"",c=Number(t.hash),[d]=JSON.parse(r);if(e===l)if(n&&s&&i){const t=B(a[0],n,qa);B(t[0],s,qa)[0][i]=[d,o,c]}else if(n&&s){const t=B(a[0],n,qa),e=B(t[0],s,qa);ea(e,o,c)}else if(n){const t=B(a[0],n,qa);ea(t,o,c)}else ea(a,o,c)}const s=t.exec("SELECT * FROM "+r);for(const a of s.toArray()){const t=a.value_id?a.value_id+"":null,n=a.value_data+"",s=a.timestamp+"",i=Number(a.hash),[l]=JSON.parse(n);t?e[0][t]=[l,s,i]:ea(e,s,i)}return[a,e]},async(a,[[e,n,s],[o,c,d]]=a())=>{t.exec(`INSERT OR REPLACE INTO ${i} (type, table_id, row_id, cell_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?, ?, ?, ?)`,l,null,null,null,JSON.stringify([0]),n,s),x(e,([a,e,n],s)=>{t.exec(`INSERT OR REPLACE INTO ${i} (type, table_id, row_id, cell_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?, ?, ?, ?)`,l,s,null,null,JSON.stringify([0]),e,n),x(a,([a,e,n],r)=>{t.exec(`INSERT OR REPLACE INTO ${i} (type, table_id, row_id, cell_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?, ?, ?, ?)`,l,s,r,null,JSON.stringify([0]),e,n),x(a,(a,e)=>{t.exec(`INSERT OR REPLACE INTO ${i} (type, table_id, row_id, cell_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?, ?, ?, ?)`,l,s,r,e,JSON.stringify([a[0]]),a[1],a[2])})})}),t.exec(`INSERT OR REPLACE INTO ${r} (value_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?)`,null,JSON.stringify([0]),c,d),x(o,(a,e)=>{t.exec(`INSERT OR REPLACE INTO ${r} (value_id, value_data, timestamp, hash) VALUES (?, ?, ?, ?)`,e,JSON.stringify([a[0]]),a[1],a[2])})},N,N,n,2,{getSqlStorage:()=>t})};export{ka as createDurableObjectSqlStoragePersister};