[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_163":164,"_165":166},"routes/_app.x.$handle.$name",{"_94":93,"_32":45,"_102":84,"_27":103,"_13":14,"_104":-5,"_11":105,"_106":107,"_108":109,"_110":111,"_112":113,"_20":-5,"_114":-5,"_115":-5,"_116":25,"_117":118,"_119":49,"_120":-5,"_121":-5,"_122":123},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_43":44,"_32":45,"_38":46,"_47":-5,"_48":49,"_50":51,"_52":51,"_53":-5,"_54":-5,"_18":55,"_56":31,"_57":49,"_58":-5,"_59":-5,"_60":61,"_62":63,"_64":-5,"_65":-5,"_66":-5,"_67":-5,"_68":69,"_70":69,"_71":72,"_73":72,"_74":72,"_75":69,"_76":69,"_77":78,"_79":80,"_81":82,"_83":25},"version",47,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":28,"_33":34,"_35":37,"_38":39,"_40":14,"_41":42,"_24":25},"previous",{"_30":31,"_32":28,"_33":34,"_35":36},"deleted",false,"deletedHere","path","main.tsx","latestPath","fileId","1b804cd0-2760-11f0-86ff-569c3dd06744","name","fileType","http","content","import { html } from \"https://esm.town/v/postpostscript/html\";\nimport { getValEndpointFromUrl, getValNameFromUrl } from \"https://esm.town/v/postpostscript/meta\";\nimport { blob } from \"https://esm.town/v/std/blob\";\n\nexport const URL = getValEndpointFromUrl(import.meta.url);\nexport const DEFAULT_PREFIX = `${getValNameFromUrl(import.meta.url)}:`;\n\nexport async function poll(url = URL, { initialDelay = 1000, tries = 10, retryMs = 1000, log = true }) {\n for (let i = 0; i < tries; i++) {\n try {\n log && console.log(\"provideBlob.poll attempt\", url);\n const res = await fetch(url, {\n headers: {\n \"Content-Type\": \"application/octet-stream\",\n },\n });\n if (res.status !== 200) {\n throw new Error(await res.text());\n }\n log && console.log(\"provideBlob.poll attempt succeeded\", url);\n return res.blob();\n } catch (e) {\n log && console.log(\"provideBlob.poll attempt failed:\", e.message, url);\n }\n await new Promise((resolve) => setTimeout(resolve, retryMs));\n }\n}\n\nexport function provideBlob(getValue: (() => Promise) | Promise, prefix = DEFAULT_PREFIX) {\n const id = crypto.randomUUID();\n\n const result = (async () => {\n let value;\n try {\n value = await (getValue instanceof Promise\n ? getValue\n : getValue());\n } catch (e) {\n value = {\n \"error\": e.message,\n };\n }\n blob.set(`${prefix}${id}`, value);\n return value;\n })();\n\n const url = `${URL}/${id}`;\n\n return {\n url,\n result,\n jsPromise({ initialDelay = 1000, tries = 10, retryMs = 1000, log = true } = {}) {\n return html`(async () => {\n // https://stackoverflow.com/a/9899701\n // licence: CC BY-SA 4.0\n function docReady(fn) {\n if (document.readyState === \"complete\" || document.readyState === \"interactive\") {\n setTimeout(fn, 1);\n } else {\n document.addEventListener(\"DOMContentLoaded\", fn);\n }\n }\n \n const url = ${JSON.stringify(url)};\n window.provideBlobCache ??= {}\n \n const result = new Promise((resolve, reject) => {\n window.provideBlobCache[url] = {\n resolve,\n reject,\n }\n })\n \n docReady(() => {\n const $script = document.createElement(\"script\")\n $script.type = \"module\"\n $script.innerHTML = \\`\n import { poll } from \"${import.meta.url}\"\n \n const url = ${JSON.stringify(url)}\n const {\n resolve,\n reject,\n } = window.provideBlobCache[url]\n \n poll(url, {\n initialDelay: ${initialDelay},\n tries: ${tries},\n retryMs: ${retryMs},\n log: ${log},\n })\n .then(resolve)\n .catch(reject)\n \\`\n \n document.body.appendChild($script)\n })\n \n return result\n})()`;\n },\n };\n}\n\nexport async function getProvidedBlob(id: string, deleteOnSuccess = true, prefix = DEFAULT_PREFIX) {\n const name = `${prefix}${id}`;\n const value = await blob.get(name);\n blob.delete(name);\n return value;\n}\n\nexport default async function(req: Request) {\n if (req.method === \"OPTIONS\") {\n return new Response(\"OK\", {\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET,OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\",\n \"Access-Control-Max-Age\": \"86400\",\n },\n });\n }\n\n const id = req.url.replace(URL, \"\").split(\"/\")[1];\n\n try {\n return new Response(await getProvidedBlob(id).then(res => res.body), {\n type: \"application/octet-stream\",\n });\n } catch (e) {\n console.log(e);\n return Response.json({\n error: e.message,\n }, {\n status: 404,\n });\n }\n}","import { html } from \"https://esm.town/v/postpostscript/html\";\nimport { getValEndpointFromUrl, getValNameFromUrl } from \"https://esm.town/v/postpostscript/meta\";\nimport { blob } from \"https://esm.town/v/std/blob\";\n\nexport const URL = getValEndpointFromUrl(import.meta.url);\nexport const DEFAULT_PREFIX = `${getValNameFromUrl(import.meta.url)}:`;\n\nexport async function poll(url = URL, { initialDelay = 1000, tries = 10, retryMs = 1000, log = true }) {\n for (let i = 0; i < tries; i++) {\n try {\n log && console.log(\"provideBlob.poll attempt\", url);\n const res = await fetch(url, {\n headers: {\n \"Content-Type\": \"application/octet-stream\",\n },\n });\n if (res.status !== 200) {\n throw new Error(await res.text());\n }\n log && console.log(\"provideBlob.poll attempt succeeded\", url);\n return res.blob();\n } catch (e) {\n log && console.log(\"provideBlob.poll attempt failed:\", e.message, url);\n }\n await new Promise((resolve) => setTimeout(resolve, retryMs));\n }\n}\n\nexport function provideBlob(getValue: (() => Promise | any) | Promise, prefix = DEFAULT_PREFIX) {\n const id = crypto.randomUUID();\n\n const result = (async () => {\n let value;\n try {\n value = await (getValue instanceof Promise\n ? getValue\n : getValue());\n } catch (e) {\n value = {\n \"error\": e.message,\n };\n }\n blob.set(`${prefix}${id}`, value);\n return value;\n })();\n\n const url = `${URL}/${id}`;\n\n return {\n url,\n result,\n jsPromise({ initialDelay = 1000, tries = 10, retryMs = 1000, log = true } = {}) {\n return html`(async () => {\n // https://stackoverflow.com/a/9899701\n // licence: CC BY-SA 4.0\n function docReady(fn) {\n if (document.readyState === \"complete\" || document.readyState === \"interactive\") {\n setTimeout(fn, 1);\n } else {\n document.addEventListener(\"DOMContentLoaded\", fn);\n }\n }\n \n const url = ${JSON.stringify(url)};\n window.provideBlobCache ??= {}\n \n const result = new Promise((resolve, reject) => {\n window.provideBlobCache[url] = {\n resolve,\n reject,\n }\n })\n \n docReady(() => {\n const $script = document.createElement(\"script\")\n $script.type = \"module\"\n $script.innerHTML = \\`\n import { poll } from \"${import.meta.url}\"\n \n const url = ${JSON.stringify(url)}\n const {\n resolve,\n reject,\n } = window.provideBlobCache[url]\n \n poll(url, {\n initialDelay: ${initialDelay},\n tries: ${tries},\n retryMs: ${retryMs},\n log: ${log},\n })\n .then(resolve)\n .catch(reject)\n \\`\n \n document.body.appendChild($script)\n })\n \n return result\n})()`;\n },\n };\n}\n\nexport async function getProvidedBlob(id: string, deleteOnSuccess = true, prefix = DEFAULT_PREFIX) {\n const name = `${prefix}${id}`;\n const value = await blob.get(name);\n blob.delete(name);\n return value;\n}\n\nexport default async function(req: Request) {\n if (req.method === \"OPTIONS\") {\n return new Response(\"OK\", {\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET,OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\",\n \"Access-Control-Max-Age\": \"86400\",\n },\n });\n }\n\n const id = req.url.replace(URL, \"\").split(\"/\")[1];\n\n try {\n return new Response(await getProvidedBlob(id).then(res => res.body), {\n type: \"application/octet-stream\",\n });\n } catch (e) {\n console.log(e);\n return Response.json({\n error: e.message,\n }, {\n status: 404,\n });\n }\n}","createdAt",["D",1709170764704],"branchVersion","branchId","1b7de562-2760-11f0-86ff-569c3dd06744","id","1b7d985a-2760-11f0-86ff-569c3dd06744","provideBlob",["D",1746195418002],"deletedAt","legacyEnvVars",true,"privacy","public","httpPrivacy","description","imageUrl","4bfb99a9-2008-40e0-bacb-7c7d84227cee","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount",0,"orgId","1073b191-f665-405d-9530-545465c93575","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_94":93,"_101":97},"org",{"_94":93,"_95":-5,"_96":97,"_18":55,"_98":99,"_100":25},"branch",{"_13":14,"_32":84,"_43":42,"_85":44,"_86":-5,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":45,"_92":93},"isOwned","main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","postpostscript","handle","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvdXBsb2FkZWQvaW1nXzJjdlhaRXl0WXVNSlhZcWU0ckI2c1BOMjNhQSJ9","tier","free","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_43":44,"_32":45,"_38":159,"_47":-5,"_48":49,"_50":51,"_52":51,"_53":-5,"_54":-5,"_18":55,"_56":31,"_57":49,"_58":-5,"_59":-5,"_60":61,"_62":63,"_64":-5,"_65":-5,"_66":-5,"_67":-5,"_68":69,"_70":69,"_71":72,"_73":72,"_74":72,"_75":69,"_76":69,"_77":160,"_79":161,"_81":162,"_83":25},"tree",[150,151],"files",[150,151],"counts",{"_140":61,"_141":136,"_142":61,"_143":144,"_145":146},"contents",[124,125],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_43":133,"_32":134,"_30":135,"_127":-5,"_41":42,"_40":136,"_128":49,"_38":137,"_13":61,"_33":20,"_35":138,"_24":25,"_131":-5,"_27":139},{"_43":126,"_32":28,"_30":31,"_127":-5,"_41":42,"_40":14,"_128":49,"_38":129,"_13":130,"_33":34,"_35":37,"_24":25,"_131":-5,"_27":132},"1d4f0d44-2760-11f0-86ff-569c3dd06744","parentId","latest",["D",1709170764704],46,"label",[28],"1b8051b2-2760-11f0-86ff-569c3dd06744","README.md","1b805248-2760-11f0-86ff-569c3dd06744",1,["D",1709160628654],"# provideBlob: Return Response Quickly and Poll for the Expensive Parts\r\n\r\n## Example:\r\n\r\nSee @postpostscript/provideBlobExample for full example. You will need to fork this val to use `provideBlob` on your projects as it uses @std/blob for storage\r\n\r\n```ts\r\nimport { Image } from \"https://deno.land/x/imagescript@1.2.17/mod.ts\";\r\nimport { htmlResponse } from \"https://esm.town/v/postpostscript/html\";\r\nimport { provideBlob } from \"https://esm.town/v/postpostscript/provideBlob\";\r\n\r\nexport default async function(req: Request) {\r\n const image = provideBlob(async () => {\r\n const png = new Image(100, 100);\r\n png.drawCircle(50, 50, 50, 100);\r\n return png.encode();\r\n }).jsPromise();\r\n\r\n return htmlResponse`\r\n

\r\n\r\n \r\n `;\r\n}\r\n```\r\n\n\nMigrated from folder: HTML/provideBlob",[134],"pulls","branches","forks","envVars",{"_147":61,"_149":61},"connections",{"_147":61,"_148":61},"count","unfilledCount","emptyCount",{"_43":133,"_32":134,"_30":135,"_127":-5,"_41":42,"_40":136,"_128":49,"_38":156,"_13":61,"_33":20,"_35":138,"_24":25,"_131":-5,"_153":157,"_27":158},{"_43":126,"_32":28,"_30":31,"_127":-5,"_41":42,"_40":14,"_128":49,"_38":152,"_13":130,"_33":34,"_35":37,"_24":25,"_131":-5,"_153":154,"_27":155},["D",1709170764704],"children",[],[28],["D",1709160628654],[],[134],["D",1746195418002],{"_94":93,"_101":97},{"_94":93,"_95":-5,"_96":97,"_18":55,"_98":99,"_100":25},{"_13":14,"_32":84,"_43":42,"_85":44,"_86":-5,"_87":-5,"_88":-5,"_89":-5,"_90":-5,"_91":45,"_92":93},"ctx",{"_77":-5,"_121":196,"_197":198,"_199":200,"_201":25,"_202":25,"_203":25,"_204":49,"_205":-5,"_206":-7,"_207":-7,"_208":61,"_209":25,"_210":25,"_211":-5,"_212":25,"_213":25,"_214":25,"_215":-5},"ENV",{"_167":168,"_169":170,"_171":84,"_172":173,"_174":175,"_176":177,"_178":179,"_180":181,"_182":183,"_184":185,"_186":187,"_188":189,"_190":191,"_192":193,"_194":195},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v47