"use strict";
Object.defineProperty(exports, "__esModule", { value: !0 });
const NEWLINES_RE = /(\r\n|\r|\n)/g;
function encode(chunk) {
  return "comment" in chunk ? encodeComment(chunk.comment) : encodeMessage(chunk);
}
function encodeData(text) {
  if (!text)
    return "";
  const lines = `${text}`.replace(NEWLINES_RE, `
`).split(/\n/);
  let line = "", output = "";
  for (let i = 0, numLines = lines.length; i < numLines; ++i)
    line = lines[i], output += `data: ${line}`, output += i + 1 === numLines ? `

` : `
`;
  return output;
}
function encodeComment(comment) {
  return `: ${comment.replace(NEWLINES_RE, `
: `)}

`;
}
function encodeMessage(message) {
  let output = "";
  return message.event && (output += `event: ${message.event}
`), typeof message.retry == "number" && Number.isFinite(message.retry) && (output += `retry: ${message.retry}
`), (typeof message.id == "string" || typeof message.id == "number") && (output += `id: ${message.id}
`), typeof message.data == "string" ? output += encodeData(message.data) : output && (output += `

`), output;
}
exports.encode = encode;
exports.encodeComment = encodeComment;
exports.encodeData = encodeData;
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