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Upload and Translate a Document

by
Published Apr 8, 2025

This call uploads a document and queues it for translation.

Script deepl Verified
Use in Windmill

The script

Submitted by hugo697 Bun
Verified 428 days ago
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//native
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type Deepl = {
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  apiKey: string;
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  baseUrl: string;
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};
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type Base64 = string;
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/**
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 * Upload and Translate a Document
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 * This call uploads a document and queues it for translation.
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 */
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export async function main(
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  auth: Deepl,
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  body: {
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    source_lang?:
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      | "BG"
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      | "CS"
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      | "DA"
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      | "DE"
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      | "EL"
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      | "EN"
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      | "ES"
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      | "ET"
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      | "FI"
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      | "FR"
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      | "HU"
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      | "ID"
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      | "IT"
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      | "JA"
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      | "KO"
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      | "LT"
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      | "LV"
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      | "NB"
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      | "NL"
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      | "PL"
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      | "PT"
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      | "RO"
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      | "RU"
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      | "SK"
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      | "SL"
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      | "SV"
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      | "TR"
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      | "UK"
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      | "ZH";
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    target_lang:
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      | "BG"
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      | "CS"
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      | "DA"
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      | "DE"
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      | "EL"
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      | "ES"
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      | "ET"
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      | "FI"
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      | "FR"
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      | "HU"
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      | "ID"
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      | "IT"
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      | "JA"
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      | "KO"
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      | "LT"
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      | "LV"
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      | "NB"
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      | "NL"
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      | "PL"
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      | "RO"
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      | "RU"
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      | "SK"
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      | "SL"
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      | "SV"
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      | "TR"
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      | "UK"
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      | "ZH"
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      | "EN-GB"
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      | "EN-US"
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      | "PT-BR"
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      | "PT-PT"
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      | "ZH-HANS";
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    file: {
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      base64: Base64;
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      type:
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        | "image/png"
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        | "image/jpeg"
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        | "image/gif"
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        | "application/pdf"
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        | "appication/json"
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        | "text/csv"
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        | "text/plain"
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        | "audio/mpeg"
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        | "audio/wav"
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        | "video/mp4";
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      name: string;
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    };
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    filename?: string;
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    output_format?: string;
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    formality?: "default" | "more" | "less" | "prefer_more" | "prefer_less";
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    glossary_id?: string;
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  },
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) {
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  const url = new URL(`${auth.baseUrl}/v2/document`);
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  const formData = new FormData();
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  for (const [k, v] of Object.entries(body)) {
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    if (v !== undefined && v !== "") {
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      if (["file"].includes(k)) {
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        const { base64, type, name } = v as {
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          base64: Base64;
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          type: string;
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          name: string;
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        };
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        formData.append(
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          k,
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          new Blob([Uint8Array.from(atob(base64), (m) => m.codePointAt(0)!)], {
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            type,
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          }),
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          name,
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        );
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      } else {
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        formData.append(k, String(v));
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      }
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    }
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  }
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  const response = await fetch(url, {
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    method: "POST",
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    headers: {
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      Authorization: "DeepL-Auth-Key " + auth.apiKey,
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    },
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    body: formData,
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  });
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  if (!response.ok) {
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    const text = await response.text();
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    throw new Error(`${response.status} ${text}`);
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  }
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  return await response.json();
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}
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