UNPKG

tinybase

Version:

A reactive data store and sync engine.

2 lines (1 loc) 8.52 kB
import{addDatabaseChangeListener as a}from"expo-sqlite";const t=a=>typeof a,e="tinybase",n="",s=",",i=t(n),r="true",o=(a,t,e)=>a.replace(t,e),c=Promise,l=a=>(t,e,n)=>a(t)?n?.():e(t),w=clearInterval,y=a=>null==a,u=a=>void 0===a,d=a=>null===a,g=l(y),p=l(u),v=a=>t(a)==i,E=a=>Array.isArray(a),m=(a,t,e)=>a.slice(t,e),A=a=>a.length,N=()=>{},$=async a=>c.all(a),f=a=>{throw Error(a)},h=async(a,t,e)=>{try{return await a()}catch(a){t?.(a)}},C=(a,t)=>a.forEach(t),T=(a,t="")=>a.join(t),b=(a,t)=>a.map(t),O=a=>0==A(a),D=(a,t)=>a.filter(t),I=(a,...t)=>a.push(...t),S=a=>a.shift(),L=(a,t)=>a?.has(t)??!1,R=a=>u(a)||0==(a=>a?.size??0)(a),M=a=>[...a?.values()??[]],P=(a,t)=>a?.forEach(t),_=(a,t)=>a?.delete(t),F="_",U="_id",j="SELECT",x="WHERE",B="TABLE",J="ALTER "+B,Y="FROM",k="DELETE "+Y,z=j+"*"+Y,G="pragma_",H="data_version",q="schema_version",K="pragma_table_",Q="CREATE "+B,V=a=>T(b(((a,t="",e)=>a.split(t,e))(a,"."),a=>`"${o(a,/"/g,'""')}"`),"."),W=(a,t=[1])=>T(b(a,()=>"$"+t[0]++),s),X=(a,t=r)=>x+`(${o(t,"$tableName",V(a))})`,Z=Object,aa=a=>Z.getPrototypeOf(a),ta=Z.entries,ea=a=>!y(a)&&g(aa(a),a=>a==Z.prototype||y(aa(a)),()=>!0),na=Z.keys,sa=Z.freeze,ia=(a=[])=>Z.fromEntries(a),ra=(...a)=>Z.assign({},...a),oa=(a,t)=>(delete a[t],a),ca=(a,t)=>b(ta(a),([a,e])=>t(e,a)),la=(a,t)=>ia(ca(a,(a,e)=>[e,t(a,e)])),wa=a=>Z.values(a),ya=a=>A(na(a)),ua=a=>ea(a)&&0==ya(a),da=Map,ga=a=>new da(a),pa=(a,t)=>a?.get(t),va=(a,t)=>b([...a?.entries()??[]],([a,e])=>t(e,a)),Ea=(a,t,e)=>u(e)?(_(a,t),a):a?.set(t,e),ma=(a,t,e,n)=>(L(a,t)?n?.(pa(a,t)):Ea(a,t,e()),pa(a,t)),Aa=(a,t,e,n,s=0)=>p((e?ma:pa)(a,t[s],s>A(t)-2?e:ga),i=>{if(s>A(t)-2)return n?.(i)&&Ea(a,t[s]),i;const r=Aa(i,t,e,n,s+1);return R(i)&&Ea(a,t[s]),r}),Na=a=>new Set(E(a)||u(a)?a:[a]),$a=(a,t)=>a?.add(t),fa="ColumnName",ha="store",Ca="json",Ta=ha+"TableName",ba=ha+"Id"+fa,Oa=ha+fa,Da="autoLoadIntervalSeconds",Ia="rowId"+fa,Sa="tableId",La="tableName",Ra="deleteEmptyColumns",Ma="deleteEmptyTable",Pa="condition",_a={mode:Ca,[Da]:1},Fa={load:0,save:0,[La]:e+"_values"},Ua=(a,t,e,n,s)=>{const i=ga();return la(a,(a,r)=>{const o=m(wa(ra(t,v(a)?{[e]:a}:a)),0,ya(t));d(o[0])||n(r,o[0])||(s(r,o[0]),Ea(i,r,o))}),i},ja=JSON.stringify,xa=JSON.parse,Ba=a=>""===a?void 0:E(a)?b(a,Ba):ea(a)?la(a,Ba):a,Ja=/^\d+$/,Ya=ga(),ka=ga(),za=(a,t,e,s,i,r,o,c={},l=0,w=[])=>{let y,g,v,m=0,N=0,$=0;ma(Ya,w,()=>0),ma(ka,w,()=>[]);const T=ga(),[b,O,D,L,M]=((a=1,t,e)=>1!=a&&t.isMergeable()?[1,t.getMergeableContent,()=>t.getTransactionMergeableChanges(!e),([[a],[t]])=>!ua(a)||!ua(t),t.setDefaultContent]:2!=a?[0,t.getContent,t.getTransactionChanges,([a,t])=>!ua(a)||!ua(t),t.setContent]:f("Store type not supported by this Persister"))(o,a,l),[F,U,j]=(()=>{let a;const[t,e]=(()=>{const a=[];let t=0;return[e=>(e?S(a):null)??n+t++,t=>{Ja.test(t)&&A(a)<1e3&&I(a,t)}]})(),s=ga();return[(e,i,r,o=[],c=()=>[])=>{a??=W;const l=t(1);return Ea(s,l,[e,i,r,o,c]),$a(Aa(i,r??[n],Na),l),l},(t,e,...i)=>C(((a,t=[n])=>{const e=[],s=(a,n)=>n==A(t)?I(e,a):d(t[n])?P(a,a=>s(a,n+1)):C([t[n],null],t=>s(pa(a,t),n+1));return s(a,0),e})(t,e),t=>P(t,t=>pa(s,t)[0](a,...e??[],...i))),a=>p(pa(s,a),([,t,i])=>(Aa(t,i??[n],void 0,t=>(_(t,a),R(t)?1:0)),Ea(s,a),e(a),i)),t=>p(pa(s,t),([t,,e=[],n,s])=>{const i=(...r)=>{const o=A(r);o==A(e)?t(a,...r,...s(r)):d(e[o])?C(n[o]?.(...r)??[],a=>i(...r,a)):i(...r,e[o])};i()})]})(),x=a=>{a!=m&&(m=a,U(T,void 0,m))},B=t=>{(b&&E(t?.[0])?1===t?.[2]?a.applyMergeableChanges:a.setMergeableContent:1===t?.[2]?a.applyChanges:a.setContent)(t)},J=async()=>{K()&&a.hadMutated?.()&&await G()},Y=async a=>(2!=m&&(x(1),N++,await V(async()=>{await h(async()=>{const e=await t();E(e)?B(e):a?M(a):f("Content is not an array: "+e)},()=>{a&&M(a)}),x(0),await J()})),W),k=async a=>(z(),await Y(a),await h(async()=>g=await s(async(a,t)=>{t||a?2!=m&&(x(1),N++,B(t??a),x(0),await J()):await Y()}),r),W),z=async()=>(g&&(await h(()=>i(g),r),g=void 0),W),G=async a=>(1!=m&&(x(2),$++,await V(async()=>{await h(()=>e(O,a),r),x(0)})),W),H=async()=>(q(),await G(),v=a.addDidFinishTransactionListener(()=>{const a=D();L(a)&&G(a)}),W),q=async()=>(v&&(a.delListener(v),v=void 0),W),K=()=>!u(v),Q=async(a=!1)=>{const[t,e]=a?[q,z]:[z,q];return await t(),await e(),W},V=async(...a)=>(I(pa(ka,w),...a),await(async()=>{if(!pa(Ya,w)){for(Ea(Ya,w,1);!u(y=S(pa(ka,w)));)await h(y,r);Ea(Ya,w,0)}})(),W),W={load:Y,startAutoLoad:k,stopAutoLoad:z,isAutoLoading:()=>!u(g),save:G,startAutoSave:H,stopAutoSave:q,isAutoSaving:K,startAutoPersisting:async(a,t=!1)=>{const[e,n]=t?[H,k]:[k,H];return await e(a),await n(a),W},stopAutoPersisting:Q,getStatus:()=>m,addStatusListener:a=>F(a,T),delListener:t=>(j(t),a),schedule:V,getStore:()=>a,destroy:()=>(pa(ka,w).splice(0,void 0),Q()),getStats:()=>({loads:N,saves:$}),...c};return sa(W)},Ga=(a,t,e,n,i,o=Ha,c,l)=>{const w=ga();return[async()=>{w.clear(),b(await e(a,t),({tn:a,cn:t})=>$a(ma(w,a,Na),t))},async(t,e,n)=>((a,t)=>L(pa(w,a),t))(t,e)?ia(D(b(await a(z+V(t)+X(t,n)),a=>[a[e],l?la(oa(a,e),l):oa(a,e)]),([a,t])=>!u(a)&&!ua(t))):{},async(t,e,n,l,y,d=!1,g=r)=>{const p=Na();la(n??{},a=>b(na(a??{}),a=>$a(p,a)));const v=M(p);if(!d&&y&&g==r&&O(v)&&L(w,t))return await a("DROP "+B+V(t)),void Ea(w,t);const E=pa(w,t),m=Na(M(E));if(O(v)||(L(w,t)?await $(b([e,...v],async(n,s)=>{_(m,n)||(await a(J+V(t)+"ADD"+V(n)+i),0==s&&await a("CREATE UNIQUE INDEX pk ON "+V(t)+`(${V(e)})`),$a(E,n))})):(await a(Q+V(t)+`(${V(e)}${i} PRIMARY KEY${T(b(v,a=>s+V(a)+i))});`),Ea(w,t,Na([e,...v])))),await $([...!d&&l?b(M(m),async n=>{n!=e&&(await a(J+V(t)+"DROP"+V(n)),_(E,n))}):[]]),d)u(n)?await a(k+V(t)+X(t,g)):await $(ca(n,async(n,s)=>{u(n)?await a(k+V(t)+X(t,g)+`AND(${V(e)}=$1)`,[s]):O(v)||await o(a,t,e,na(n),{[s]:c?b(wa(n),c):wa(n)},E)}));else if(O(v))L(w,t)&&await a(k+V(t)+X(t,g));else{const s=D(M(pa(w,t)),a=>a!=e),i={},r=[];la(n??{},(a,t)=>{i[t]=b(s,t=>c?c(a?.[t]):a?.[t]),I(r,t)}),await o(a,t,e,s,i),await a(k+V(t)+X(t,g)+`AND${V(e)}NOT IN(${W(r)})`,r)}},async t=>{let e;return await a("BEGIN"),await h(async()=>e=await t(),n),await a("END"),e}]},Ha=async(a,t,e,n,i)=>{const r=[1];await a("INSERT INTO"+V(t)+"("+((...a)=>T(b(a,V),s))(e,...n)+")VALUES"+T(ca(i,a=>"($"+r[0]+++","+W(a,r)+")"),s)+"ON CONFLICT("+V(e)+")DO UPDATE SET"+T(b(n,a=>V(a)+"=excluded."+V(a)),s),ca(i,(a,t)=>[t,...b(a,a=>a??null)]).flat())},qa=(a,t,e,n,s,i,r,[o,c,l],w,y,d,g,p,v)=>{const[E,m,A,N]=Ga(t,w,y,s,p,v),$=za(a,()=>N(async()=>{return await E(),a=(await m(o,c))[F]?.[l]??"null",Ba(xa(a));var a}),a=>N(async()=>{var t;await E(),await A(o,c,{[F]:{[l]:(t=a()??null,ja(t,(a,t)=>u(t)?"":t))}},!0,!0)}),e,n,s,r,{[g]:()=>d,destroy:async()=>(await $.stopAutoPersisting(),i(),$)},0,d);return $},Ka=(a,t,e,n,s,i,r,[o,c,[l,w,y]],d,g,p,v,E,m,A,N)=>{const[f,h,C,T]=Ga(t,d,g,s,E,m,A,N),b=(a,t)=>$(va(c,async([e,n,s,i,r],o)=>{t&&!(o in a)||await C(e,n,a[o],s,i,t,r)})),O=async(a,t)=>w?await C(y,U,{[F]:a},!0,!0,t):null,I=za(a,()=>T(async()=>{await f();const a=await(async()=>ia(D(await $(va(o,async([a,t,e],n)=>[a,await h(n,t,e)])),a=>!ua(a[1]))))(),t=await(async()=>l?(await h(y,U))[F]:{})();return ua(a)&&u(t)?void 0:[a,t]}),(a,t)=>T(async()=>{if(await f(),u(t)){const[t,e]=a();await b(t),await O(e)}else await b(t[0],!0),await O(t[1],!0)}),e,n,s,r,{[v]:()=>p,destroy:async()=>(await I.stopAutoPersisting(),i(),I)},0,p);return I},Qa=(a,t,s,i,o,c,l,u,d,g,p="getDb",E)=>{let A,N,$;const f=((a,t)=>t?async(e,n)=>(t(e,n),await a(e,n)):a)(s,c),[C,T,b,O]=(a=>{const t=(a=>ra(_a,v(a)?{[Ta]:a}:a??{}))(a),n=t[Da];if(t.mode==Ca){const a=t[Ta]??e;return[1,n,[a,t[ba]??U,t[Oa]??ha],Na(a)]}const{tables:{load:s={},save:i={}}={},values:o={}}=t,c=m(wa(ra(Fa,o)),0,ya(Fa)),l=c[2],w=Na(l),y=Na(l),u=Ua(s,{[Sa]:null,[Ia]:U,[Pa]:r},Sa,a=>L(y,a),a=>$a(w,a)),d=Ua(i,{[La]:null,[Ia]:U,[Ra]:0,[Ma]:0,[Pa]:null},La,(a,t)=>L(y,t),(a,t)=>$a(w,t));var g;return g=(a,t)=>t[4]??=pa(u,t[0])?.[2]??r,P(d,(a,t)=>g(0,a)),[0,n,[u,d,c],w]})(t);return(C?qa:Ka)(a,f,a=>{let t;const e=()=>t=setInterval(()=>h(async()=>{const[{d:t,s:e,c:n}]=await f(j+` ${H} d,${q} s,TOTAL_CHANGES() c FROM ${G}${H} JOIN ${G}${q}`);t==A&&e==N&&n==$||(y(A)||a(),A=t,N=e,$=n)}),1e3*T),n=()=>{A=N=$=null,w(t)},s=i(t=>{O.has(t)&&(n(),a(),e())});return e(),()=>{n(),o(s)}},a=>a(),l,u,d,b,M(O),async(a,t)=>await a(j+` t.name tn,c.name cn FROM ${K}list()t,${K}info(t.name)c ${x} t.schema='main'AND t.type IN('table','view')AND t.name IN(${W(t)})ORDER BY t.name,c.name`,t),g,p,n,E,a=>(a=>!0===a)(a)?1:(a=>!1===a)(a)?0:a,void 0)},Va=(t,e,n,s,i)=>Qa(t,n,async(a,t=[])=>await e.getAllAsync(a,t),t=>a(({tableName:a})=>t(a)),a=>a.remove(),s,i,N,3,e);export{Va as createExpoSqlitePersister};