cross-cf

Version:
Cross-environment DO and KV access
4 lines (3 loc) • 21.1 kB
JavaScript
#!/usr/bin/env npx -y esno
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g.Storage{constructor(e=g.defaultClock){super(),this.clock=e}expired({expiration:e},t=this.clock()){return void 0!==e&&e<=(0,g.millisToSeconds)(t)}async has(e){const t=await this.hasMaybeExpired(e);return!(void 0===t||this.expired(t)&&(await this.deleteMaybeExpired(e),1))}async get(e){const t=await this.getMaybeExpired(e);if(void 0!==t){if(!this.expired(t))return t;await this.deleteMaybeExpired(e)}}async delete(e){const t=await this.hasMaybeExpired(e),r=void 0!==t&&this.expired(t);return!!await this.deleteMaybeExpired(e)&&!r}async list(e){const t=this.clock(),r=[];let s=await this.listAllMaybeExpired();s=s.filter(s=>this.expired(s,t)?(r.push(this.deleteMaybeExpired(s.name)),!1):d(e,s.name));const n=f(e,s);return await Promise.all(r),n}},m=u(C),y=class extends b{constructor(e=new Map,t=m.defaultClock){super(t),this.map=e}hasMaybeExpired(e){const t=this.map.get(e);return t&&{expiration:t.expiration,metadata:h(t.metadata)}}getMaybeExpired(e){const t=this.map.get(e);return t&&{value:t.value.slice(),expiration:t.expiration,metadata:h(t.metadata)}}put(e,t){this.map.set(e,{value:t.value.slice(),expiration:t.expiration,metadata:h(t.metadata)})}deleteMaybeExpired(e){return this.map.delete(e)}static entryToStoredKey([e,{expiration:t,metadata:r}]){return{name:e,expiration:t,metadata:h(r)}}listAllMaybeExpired(){return Array.from(this.map.entries()).map(y.entryToStoredKey)}}});const T=["key","value"],P=["type"],I=["headers","body"];function L(e,t){for(const r of e)if(!t[r]||""===t[r])throw new Error(`${r} is required.`)}class j{constructor(s,n={}){var i;const{CF_TOKEN:l,CF_ACCOUNTID:u,CLOUDFLARE_TOKEN:c}=(null==(i=process)?void 0:i.env)||{};if(this.options=a({},n,{target:n.target||"local",filepath:e.resolve(n.filepath||"./.mf/kv",s),accountToken:n.accountToken||l||c,accountID:n.accountID||u,env:n.env||{},name:s}),"local"===this.options.target)L(["filepath"],this.options),this._db=new t(new r(this.options.filepath));else if("cf"===this.options.target){if(this._db=this.options.env[s]||global[s],!this._db)throw new Error(`You chose "cf" for target, but env does not have "${s}" KV.`)}else"remote"===this.options.target?L(["kvID","accountToken","accountID"],this.options):"memory"===this.options.target&&(this._db=new t(new N.MemoryStorage));this._db&&(this.get=this._db.get.bind(this._db),this.getWithMetadata=this._db.getWithMetadata.bind(this._db),this.list=this._db.list.bind(this._db),this.put=this._db.put.bind(this._db),this.delete=this._db.delete.bind(this._db),this.bulkdelete=(e,t={})=>Promise.all(e.map(e=>this.delete(e,t))),this.bulkput=(e,t={})=>Promise.all(e.map(e=>{let{key:r,value:s}=e,n=o(e,T);return this.put(r,s,a({},t,n))})))}async get(e,t={}){const{type:r}=t,s=o(t,P),n=new URLSearchParams(s).toString(),i=await this.api(`/storage/kv/namespaces/${this.options.kvID}/values/${e}?${n}`);return"json"===r?i.json():"arrayBuffer"!==r?"stream"===r?i.body.getReader():i.text():void i.arrayBuffer()}async getWithMetadata(e,t={}){return{value:await this.get(e,t),metadata:(await this.api(`/storage/kv/namespaces/${this.options.kvID}/metadata/${e}`).then(e=>e.json())).result}}async list(e={}){const t=new URLSearchParams(e).toString(),r=await this.api(`/storage/kv/namespaces/${this.options.kvID}/keys?${t}`).then(e=>e.json());return{keys:r.result,cursor:r.result_info.cursor,list_complete:r.result.length===r.result_info.count}}put(e,t,r={}){const s=new URLSearchParams(r).toString();return this.api(`/storage/kv/namespaces/${this.options.kvID}/values/${e}?${s}`,"PUT",{body:t}).then(e=>e.json())}delete(e,t={}){const r=new URLSearchParams(t).toString();return this.api(`/storage/kv/namespaces/${this.options.kvID}/values/${e}?${r}`,"DELETE").then(e=>e.json())}async bulkput(e,t={}){const r=new URLSearchParams(t).toString();await this.api(`/storage/kv/namespaces/${this.options.kvID}/bulk?${r}`,"PUT",{body:JSON.stringify(e),headers:{"Content-Type":"application/json"}}).then(e=>e.json())}async bulkdelete(e,t={}){const r=new URLSearchParams(t).toString();await this.api(`/storage/kv/namespaces/${this.options.kvID}/bulk?${r}`,"DELETE",{body:JSON.stringify(e),headers:{"Content-Type":"application/json"}}).then(e=>e.json())}api(e,t="GET",r={}){const{headers:s={},body:n}=r,i=o(r,I);return fetch(`https://api.cloudflare.com/client/v4/accounts/${this.options.accountID}${e}`,a({headers:a({Authorization:`Bearer ${this.options.accountToken}`},s)},i,{method:t,body:n})).then(e=>{if(200!==e.status)throw new Error(`Error ${e.status}`);return e})}}class A{constructor(e){this.url=e,"object"==typeof e&&(this.get=e.get.bind(e),this.idFromName=e.idFromName.bind(e))}get(e){return{fetch(e,t){return fetch(this.url,t)}}}idFromName(e){return e}}export{A as CrossDO,j as CrossKV};
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