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📊

Audience Survey

\n Poll the room during your talk. Show a QR code, collect answers with no login, and reveal live results —\n including ranked-choice runoffs and breakdowns by who's in the audience.\n

\n\n

\n );\n}\n","createdAt",["D",1788586547484],"branchVersion","branchId","00e09eca-4d1b-4e02-b98f-8565c54b4542",{"_36":51,"_38":52,"_40":53,"_42":-5,"_44":54,"_46":14,"_47":48,"_30":31},"frontend/pages","4901c6e7-488a-4048-8dee-9c93273426c9","pages","directory",["D",1788586547484],"id","ae520107-1d25-47b9-ad83-831e36befb67","presentation-survey",["D",1788585574393],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Live talk polling: QR join, ranked choice, demographic 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{ parseVal, serveImmutableFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { getCookie, setCookie } from \"npm:hono/cookie\";\nimport QRCode from \"npm:qrcode\";\nimport { buildResults } from \"./backend/aggregate.ts\";\nimport { randomId } from \"./backend/db.ts\";\nimport {\n clearResponses,\n createSurvey,\n deleteSurvey,\n getAllResponses,\n getResponse,\n getSurveyByAdminKey,\n getSurveyBySlug,\n sanitizeAnswers,\n updateSurvey,\n upsertResponse,\n} from \"./backend/surveys.ts\";\nimport { Root } from \"./frontend/root.tsx\";\n\nconst app = new Hono();\n\n// ---- Frontend shell (client-side routing handles the rest) ----\nconst SHELL_PATHS = [\"/\", \"/new\", \"/s/:slug\", \"/s/:slug/results\", \"/s/:slug/present\", \"/admin/:key\"];\nfor (const p of SHELL_PATHS) app.get(p, (c) => c.html(Root()));\napp.get(\"/__immutable/*\", (c) => serveImmutableFile(c.req.path));\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// ---- Respondent identity cookie ----\nconst SID_COOKIE = \"survey_sid\";\nfunction getOrSetSid(c: any): string {\n let sid = getCookie(c, SID_COOKIE);\n if (!sid || !/^[a-z0-9]{24}$/.test(sid)) {\n sid = randomId(24);\n setCookie(c, SID_COOKIE, sid, {\n path: \"/\",\n httpOnly: true,\n sameSite: \"Lax\",\n secure: true,\n maxAge: 60 * 60 * 24 * 365,\n });\n }\n return sid;\n}\n\n// ---- Public API ----\napp.post(\"/api/surveys\", async (c) => {\n const body = await c.req.json().catch(() => ({}));\n const title = String(body.title ?? \"\").slice(0, 120);\n const { survey, adminKey } = await createSurvey(title);\n return c.json({ slug: survey.slug, adminKey });\n});\n\n// Survey for respondents (strips nothing sensitive: admin key never leaves the DB)\napp.get(\"/api/s/:slug\", async (c) => {\n const survey = await getSurveyBySlug(c.req.param(\"slug\"));\n if (!survey) return c.json({ error: \"Not found\" }, 404);\n const sid = getOrSetSid(c);\n const existing = await getResponse(survey.id, sid);\n return c.json({ survey, existing });\n});\n\napp.post(\"/api/s/:slug/respond\", async (c) => {\n const survey = await getSurveyBySlug(c.req.param(\"slug\"));\n if (!survey) return c.json({ error: \"Not found\" }, 404);\n if (!survey.acceptingResponses) return c.json({ error: \"This survey is closed.\" }, 403);\n const sid = getOrSetSid(c);\n const body = await c.req.json().catch(() => ({}));\n const answers = sanitizeAnswers(survey, body.answers);\n await upsertResponse(survey.id, sid, answers);\n return c.json({ ok: true, answers });\n});\n\napp.get(\"/api/s/:slug/results\", async (c) => {\n const survey = await getSurveyBySlug(c.req.param(\"slug\"));\n if (!survey) return c.json({ error: \"Not found\" }, 404);\n if (!survey.resultsVisible) return c.json({ error: \"Results are not visible yet.\" }, 403);\n const groupBy = survey.audienceFacets ? c.req.query(\"groupBy\") || null : null;\n const responses = await getAllResponses(survey.id);\n const visible = survey.questions.filter((q) => !q.hidden);\n return c.json({\n survey,\n totalResponses: responses.length,\n groupBy,\n groups: buildResults(survey, responses, groupBy, visible),\n });\n});\n\n// QR code (SVG) pointing to the respondent URL\napp.get(\"/api/s/:slug/qr.svg\", async (c) => {\n const url = new URL(c.req.url);\n const target = `${url.origin}/s/${c.req.param(\"slug\")}`;\n const svg = await QRCode.toString(target, { type: \"svg\", margin: 1, width: 512, errorCorrectionLevel: \"M\" });\n return c.body(svg, 200, { \"Content-Type\": \"image/svg+xml\", \"Cache-Control\": \"public, max-age=3600\" });\n});\n\n// ---- Admin API (gated by secret key) ----\nconst admin = new Hono();\nadmin.use(\"*\", async (c, next) => {\n const survey = await getSurveyByAdminKey(c.req.param(\"key\") as string);\n if (!survey) return c.json({ error: \"Invalid admin link\" }, 404);\n c.set(\"survey\" as never, survey as never);\n await next();\n});\n\nadmin.get(\"/\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n const responses = await getAllResponses(survey.id);\n return c.json({ survey, totalResponses: responses.length });\n});\n\nadmin.patch(\"/\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n const body = await c.req.json().catch(() => ({}));\n await updateSurvey(survey.id, body);\n const fresh = await getSurveyBySlug(survey.slug);\n return c.json({ survey: fresh });\n});\n\nadmin.get(\"/results\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n const groupBy = c.req.query(\"groupBy\") || null;\n const responses = await getAllResponses(survey.id);\n const all = c.req.query(\"includeHidden\") === \"1\";\n const visible = all ? survey.questions : survey.questions.filter((q: any) => !q.hidden);\n return c.json({\n survey,\n totalResponses: responses.length,\n groupBy,\n groups: buildResults(survey, responses, groupBy, visible),\n });\n});\n\nadmin.get(\"/export.csv\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n const responses = await getAllResponses(survey.id);\n const esc = (s: unknown) => `\"${String(s ?? \"\").replace(/\"/g, '\"\"')}\"`;\n const header = survey.questions.map((q: any) => esc(q.prompt)).join(\",\");\n const optLabel = (q: any, id: string) => q.options.find((o: any) => o.id === id)?.label ?? id;\n const rows = responses.map((r) =>\n survey.questions.map((q: any) => {\n const v = r[q.id];\n if (Array.isArray(v)) return esc(v.map((x) => optLabel(q, x)).join(\" > \"));\n if (typeof v === \"string\" && q.options.length) return esc(optLabel(q, v));\n return esc(v);\n }).join(\",\")\n );\n return c.body([header, ...rows].join(\"\\n\"), 200, {\n \"Content-Type\": \"text/csv\",\n \"Content-Disposition\": `attachment; filename=\"${survey.slug}-responses.csv\"`,\n });\n});\n\nadmin.delete(\"/responses\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n await clearResponses(survey.id);\n return c.json({ ok: true });\n});\n\nadmin.delete(\"/\", async (c) => {\n const survey = c.get(\"survey\" as never) as any;\n await deleteSurvey(survey.id);\n return c.json({ ok: true });\n});\n\napp.route(\"/api/admin/:key\", admin);\n\napp.onError((err) => Promise.reject(err));\n\nexport default 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type QuestionType =\n | \"single_choice\"\n | \"multi_choice\"\n | \"scale\"\n | \"free_text\"\n | \"ranked_choice\"\n | \"word_cloud\"\n | \"emoji_reaction\";\n\nexport interface Option {\n id: string;\n label: string;\n}\n\nexport interface Question {\n id: string;\n position: number;\n type: QuestionType;\n prompt: string;\n options: Option[]; // for choice/ranked/emoji types\n scaleMin?: number; // for scale\n scaleMax?: number;\n isDemographic: boolean;\n required: boolean;\n hidden: boolean; // per-question hide override on results\n}\n\nexport interface Survey {\n id: string;\n slug: string;\n title: string;\n description: string;\n resultsVisible: boolean;\n acceptingResponses: boolean;\n audienceFacets: boolean; // can the audience use group-by on results?\n createdAt: string;\n questions: Question[];\n}\n\n/** Answer values: single -> optionId; multi -> optionId[]; scale -> number;\n * free_text/word_cloud -> string; ranked_choice -> optionId[] (ordered); emoji -> optionId */\nexport type AnswerValue = string | number | string[];\n\nexport type Answers = Record;\n\nexport interface IRVRound {\n round: number;\n tallies: Record;\n eliminated: string | null;\n winner: string | null;\n}\n\nexport interface QuestionAggregate {\n questionId: string;\n type: QuestionType;\n responseCount: number;\n /** For choice/emoji: counts by optionId. */\n counts?: Record;\n /** For scale: counts by value, plus mean. */\n distribution?: Record;\n mean?: number | null;\n /** For text/word cloud. */\n texts?: string[];\n words?: { text: string; value: number }[];\n /** For ranked choice. */\n irv?: IRVRound[];\n borda?: Record;\n firstChoice?: Record;\n}\n\nexport interface FacetGroup {\n key: string; // optionId or scale value, or \"__all__\"\n label: string;\n responseCount: number;\n aggregates: QuestionAggregate[];\n}\n\nexport interface ResultsPayload {\n survey: Survey;\n totalResponses: number;\n groupBy: string | null;\n groups: FacetGroup[];\n}\n\nexport const QUESTION_TYPE_LABELS: Record = {\n single_choice: \"Multiple choice (pick one)\",\n multi_choice: \"Multiple choice (pick many)\",\n scale: \"Scale / rating\",\n free_text: \"Free text\",\n ranked_choice: \"Ranked choice\",\n word_cloud: \"Word cloud (one word/phrase)\",\n emoji_reaction: \"Emoji reaction\",\n};\n\nexport const DEFAULT_EMOJIS = [\"🔥\", \"😍\", \"🤔\", \"😴\", \"😂\", \"🤯\"];\n\nexport function hasOptions(t: QuestionType) {\n return t === \"single_choice\" || t === \"multi_choice\" || t === \"ranked_choice\" || t === \"emoji_reaction\";\n}\n",[],[159,207],["D",1788586405154],[200],[159],"2057c8c3-ff48-41a2-9bd4-d9b046d93a08","root.tsx","01a0700e-6ffb-769f-9a4d-f2d83060ed96",10,["D",1788586515184],1,"/** @jsxImportSource npm:hono@4/jsx */\nimport { raw } from \"npm:hono@4/html\";\nimport { immutableFileUrl } from \"https://esm.town/v/std/utils/index.ts\";\n\nexport function Root() {\n return (\n <>\n {raw(\"\")}\n \n \n \n \n Audience Survey\n

Diff · v15