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Pergunta ao YouTube quais legendas existem para este vídeo (manuais e automáticas)\n const listRes = await fetch(\n `https://www.youtube.com/api/timedtext?type=list&v=${videoId}`,\n );\n const listXml = await listRes.text();\n\n const trackMatches = [...listXml.matchAll(/]+?)\\/>/g)];\n if (trackMatches.length === 0) {\n throw new Error(\n \"Este vídeo não tem legendas disponíveis (nem automáticas).\",\n );\n }\n\n const tracks = trackMatches.map((m) => {\n const attrs = m[1];\n const langMatch = attrs.match(/lang_code=\"([^\"]+)\"/);\n const kindMatch = attrs.match(/kind=\"([^\"]+)\"/);\n return { langCode: langMatch?.[1] ?? \"\", kind: kindMatch?.[1] };\n });\n\n // 2. Prefere português; senão pega a primeira disponível (pode ser automática)\n const chosen = tracks.find((t) => t.langCode.startsWith(\"pt\")) ?? tracks[0];\n\n // 3. Baixa o texto dessa legenda específica\n const params = new URLSearchParams({ v: videoId, lang: chosen.langCode });\n if (chosen.kind) params.set(\"kind\", chosen.kind);\n\n const textRes = await fetch(\n `https://www.youtube.com/api/timedtext?${params.toString()}`,\n );\n const xml = await textRes.text();\n\n const matches = [...xml.matchAll(/]*>(.*?)<\\/text>/g)];\n if (matches.length === 0) {\n throw new Error(\"Não consegui ler o texto das legendas deste vídeo.\");\n }\n\n return matches.map((m) => decodeHtml(m[1])).join(\" \");\n}\n\nfunction decodeHtml(s: string): string {\n return s\n .replace(/&/g, \"&\")\n .replace(/'/g, \"'\")\n .replace(/"/g, '\"')\n .replace(/</g, \"<\")\n .replace(/>/g, \">\");\n}","createdAt",["D",1789167934481],"branchVersion","branchId","24181d59-4db3-4d78-9f86-5dca264d517c","id","f9e79c96-fbd1-47e9-a5f0-6b52a8e5c29d","app-estudos-youtube",["D",1789167310973],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","","imageUrl","791cf489-ea7c-4b67-899d-7c31f04e27c8","pinnedFileId","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","01a089c4-b0f0-76ad-9660-32587c7387fd","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_96":95,"_104":100},"org",{"_96":95,"_97":98,"_99":100,"_18":55,"_101":102,"_103":25},"branch",{"_13":85,"_32":86,"_43":42,"_87":44,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":45,"_94":95},"isOwned",8,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","Pesquisa123","handle","displayName","Pesquisas Opinioes","avatar","https://lh3.googleusercontent.com/a/ACg8ocKHFGAuzocXx5opzxSkr0KQrcrYSXuZ_LeG099JemPqQZUtwA=s96-c","tier","free","canRestrictVals","profileImageUrl","branchName","adoptOrgId",{"_43":44,"_32":45,"_38":150,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":-5,"_18":55,"_56":31,"_57":58,"_59":-5,"_60":-5,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":-5,"_68":-5,"_69":70,"_71":70,"_72":73,"_74":73,"_75":73,"_76":70,"_77":70,"_78":151,"_80":152,"_82":153,"_84":25},"tree",[145],"files",[145],"counts",{"_134":62,"_135":136,"_137":62,"_138":139,"_140":141},"contents",[126],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_43":127,"_32":28,"_30":31,"_128":-5,"_41":42,"_40":14,"_129":25,"_38":130,"_13":131,"_33":34,"_35":37,"_24":25,"_132":-5,"_27":133},"a5e3e351-09cb-416c-b216-86240c093866","parentId","latest",["D",1789167934481],3,"label",[28],"pulls","branches",1,"forks","envVars",{"_142":62,"_144":62},"connections",{"_142":62,"_143":62},"count","unfilledCount","emptyCount",{"_43":127,"_32":28,"_30":31,"_128":-5,"_41":42,"_40":14,"_129":25,"_38":146,"_13":131,"_33":34,"_35":37,"_24":25,"_132":-5,"_147":148,"_27":149},["D",1789167934481],"children",[],[28],["D",1789167310973],{"_96":95,"_104":100},{"_96":95,"_97":98,"_99":100,"_18":55,"_101":102,"_103":25},{"_13":85,"_32":86,"_43":42,"_87":44,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":45,"_94":95},"ctx",{"_78":-5,"_123":187,"_188":189,"_190":191,"_192":25,"_193":25,"_194":25,"_195":58,"_196":-5,"_197":-7,"_198":-7,"_199":62,"_200":25,"_201":25,"_202":-5,"_203":25,"_204":25,"_205":25,"_206":-5},"ENV",{"_158":159,"_160":161,"_162":86,"_163":164,"_165":166,"_167":168,"_169":170,"_171":172,"_173":174,"_175":176,"_177":178,"_179":180,"_181":182,"_183":184,"_185":186},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","5015b8df46402d8bba4f485ecc37aec202b0e06b","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 · v4