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index.js
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index.js
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import prettyBytes from "prettier-bytes";
import jsonParse from "fast-json-parse";
import prettyMs from "pretty-ms";
import chalk from "chalk";
var nl = "\n";
var emojiLog = {
warn: "⚠️",
info: "✨",
error: "🚨",
debug: "🐛",
fatal: "💀",
trace: "🔍",
};
function isWideEmoji(character) {
return character !== "⚠️";
}
function isObject(input) {
return Object.prototype.toString.apply(input) === "[object Object]";
}
function isPinoLog(log) {
return log && Object.prototype.hasOwnProperty.call(log, "level");
}
function PinoColada() {
return parse;
function parse(inputData) {
var obj;
if (typeof inputData === "string") {
var parsedData = jsonParse(inputData);
if (!parsedData.value || parsedData.err || !isPinoLog(parsedData.value)) {
return inputData + nl;
}
obj = parsedData.value;
} else if (isObject(inputData) && isPinoLog(inputData)) {
obj = inputData;
} else {
return inputData + nl;
}
if (!obj.level) return inputData + nl;
if (!obj.message) obj.message = obj.msg;
if (typeof obj.level === "number") convertLogNumber(obj);
return output(obj) + nl;
}
function convertLogNumber(obj) {
if (obj.level === 10) obj.level = "trace";
if (obj.level === 20) obj.level = "debug";
if (obj.level === 30) obj.level = "info";
if (obj.level === 40) obj.level = "warn";
if (obj.level === 50) obj.level = "error";
if (obj.level === 60) obj.level = "fatal";
}
function output(obj) {
var {
level,
name,
service,
ns,
res,
req,
statusCode,
httpRequest,
reqId,
responseTime,
elapsed,
method,
contentLength,
responseBody,
url,
message,
time,
pid,
hostname,
severity,
err,
...remainder
} = obj;
var output = [];
if (!obj.level) obj.level = "userlvl";
if (!obj.name) obj.name = "";
if (!obj.ns) obj.ns = "";
output.push(formatDate(obj.time || Date.now()));
output.push(formatLevel(obj.level));
output.push(formatNs(obj.ns));
output.push(formatName(obj.name));
output.push(formatMessage(obj));
statusCode = res ? res.statusCode : obj.statusCode;
responseTime = obj.responseTime || obj.elapsed;
method = req ? req.method : obj.method;
contentLength = obj.contentLength;
url = req ? req.url : obj.url;
var stack =
obj.level === "fatal" || obj.level === "error"
? obj.stack || (err && err.stack)
: null;
// Output err if it has more keys than 'stack'
err =
(obj.level === "fatal" || obj.level === "error") &&
err &&
Object.keys(err).find((key) => key !== "stack")
? err
: null;
if (!contentLength && responseBody) {
contentLength = formatRemainder(responseBody).length;
}
if (method != null) {
output.push(formatMethod(method));
output.push(formatStatusCode(statusCode));
}
if (url != null) output.push(formatUrl(url));
if (contentLength != null) output.push(formatBundleSize(contentLength));
if (responseTime != null) output.push(formatLoadTime(responseTime));
if (stack != null) output.push(formatStack(stack));
if (err != null) output.push(formatErrorProp(err));
if (remainder != null) output.push(formatRemainder(remainder));
return output.filter(noEmpty).join(" ");
}
function formatRemainder(remainder) {
if (Object.keys(remainder).length === 0) return "";
return JSON.stringify(remainder, null, 2).replaceAll("\n", "");
}
function formatDate(instant) {
var date = new Date(instant);
var hours = date.getHours().toString().padStart(2, "0");
var minutes = date.getMinutes().toString().padStart(2, "0");
var seconds = date.getSeconds().toString().padStart(2, "0");
var prettyDate = hours + ":" + minutes + ":" + seconds;
return chalk.gray(prettyDate);
}
function formatLevel(level) {
const emoji = emojiLog[level];
const padding = isWideEmoji(emoji) ? "" : " ";
return emoji + padding;
}
function formatNs(name) {
return chalk.cyan(name);
}
function formatName(name) {
return chalk.blue(name);
}
function formatMessage(obj) {
var msg = formatMessageName(obj.message);
var pretty;
if (obj.level === "error") pretty = chalk.red(msg);
if (obj.level === "trace") pretty = chalk.white(msg);
if (obj.level === "warn") pretty = chalk.magenta(msg);
if (obj.level === "debug") pretty = chalk.yellow(msg);
if (obj.level === "info" || obj.level === "userlvl")
pretty = chalk.green(msg);
if (obj.level === "fatal") pretty = chalk.white.bgRed(msg);
return pretty;
}
function formatUrl(url) {
return chalk.white(url);
}
function formatMethod(method) {
return chalk.white(method);
}
function formatStatusCode(statusCode) {
statusCode = statusCode || "xxx";
return chalk.white(statusCode);
}
function formatLoadTime(elapsedTime) {
var elapsed = parseInt(elapsedTime, 10);
var time = prettyMs(elapsed);
return chalk.gray(time);
}
function formatBundleSize(bundle) {
var bytes = parseInt(bundle, 10);
var size = prettyBytes(bytes).replace(/ /, "");
return chalk.gray(size);
}
function formatMessageName(message) {
if (message === "request" || message === "incoming request") return "<--";
if (message === "response" || message === "request completed") return "-->";
if (message === "response body") return "|-|";
return message;
}
function formatStack(stack) {
return stack ? nl + stack : "";
}
function formatErrorProp(errorPropValue) {
return nl + JSON.stringify({ err: errorPropValue }, null, 2);
}
function noEmpty(val) {
return !!val;
}
}
export default PinoColada;