Function dataURLProcessor

github-actions/browserstack/set-browserstack-env.js:3454–3490

(dataURL)

  var require_data_url = __commonJS({
    ""(exports, module) {
      "use strict";
      var assert = __require("assert");
      var encoder = new TextEncoder();
      var HTTP_TOKEN_CODEPOINTS = /^[!#$%&'*+\-.^_|~A-Za-z0-9]+$/;
      var HTTP_WHITESPACE_REGEX = /[\u000A\u000D\u0009\u0020]/;
      var ASCII_WHITESPACE_REPLACE_REGEX = /[\u0009\u000A\u000C\u000D\u0020]/g;
      var HTTP_QUOTED_STRING_TOKENS = /^[\u0009\u0020-\u007E\u0080-\u00FF]+$/;
      function dataURLProcessor(dataURL) {
        assert(dataURL.protocol === "data:");
        let input = URLSerializer(dataURL, true);
        input = input.slice(5);
        const position = { position: 0 };
        let mimeType = collectASequenceOfCodePointsFast(
          ",",
          input,
          position
        );
        const mimeTypeLength = mimeType.length;
        mimeType = removeASCIIWhitespace(mimeType, true, true);
        if (position.position >= input.length) {
          return "failure";
        }
        position.position++;
        const encodedBody = input.slice(mimeTypeLength + 1);
        let body = stringPercentDecode(encodedBody);
        if (/;(\u0020){0,}base64$/i.test(mimeType)) {
          const stringBody = isomorphicDecode(body);
          body = forgivingBase64(stringBody);
          if (body === "failure") {
            return "failure";
          }
          mimeType = mimeType.slice(0, -6);
          mimeType = mimeType.replace(/(\u0020)+$/, "");
          mimeType = mimeType.slice(0, -1);
        }
        if (mimeType.startsWith(";")) {
          mimeType = "text/plain" + mimeType;
        }
        let mimeTypeRecord = parseMIMEType(mimeType);
        if (mimeTypeRecord === "failure") {