/var/www/myprog.com.ua/server/node/node_modules/logform
Edit: /var/www/myprog.com.ua/server/node/node_modules/logform/colorize.js (3038B)
'use strict';
const colors = require('@colors/colors/safe');
const { LEVEL, MESSAGE } = require('triple-beam');
//
// Fix colors not appearing in non-tty environments
//
colors.enabled = true;
/**
* @property {RegExp} hasSpace
* Simple regex to check for presence of spaces.
*/
const hasSpace = /\s+/;
/*
* Colorizer format. Wraps the `level` and/or `message` properties
* of the `info` objects with ANSI color codes based on a few options.
*/
class Colorizer {
constructor(opts = {}) {
if (opts.colors) {
this.addColors(opts.colors);
}
this.options = opts;
}
/*
* Adds the colors Object to the set of allColors
* known by the Colorizer
*
* @param {Object} colors Set of color mappings to add.
*/
static addColors(clrs) {
const nextColors = Object.keys(clrs).reduce((acc, level) => {
acc[level] = hasSpace.test(clrs[level])
? clrs[level].split(hasSpace)
: clrs[level];
return acc;
}, {});
Colorizer.allColors = Object.assign({}, Colorizer.allColors || {}, nextColors);
return Colorizer.allColors;
}
/*
* Adds the colors Object to the set of allColors
* known by the Colorizer
*
* @param {Object} colors Set of color mappings to add.
*/
addColors(clrs) {
return Colorizer.addColors(clrs);
}
/*
* function colorize (lookup, level, message)
* Performs multi-step colorization using @colors/colors/safe
*/
colorize(lookup, level, message) {
if (typeof message === 'undefined') {
message = level;
}
//
// If the color for the level is just a string
// then attempt to colorize the message with it.
//
if (!Array.isArray(Colorizer.allColors[lookup])) {
return colors[Colorizer.allColors[lookup]](message);
}
//
// If it is an Array then iterate over that Array, applying
// the colors function for each item.
//
for (let i = 0, len = Colorizer.allColors[lookup].length; i < len; i++) {
message = colors[Colorizer.allColors[lookup][i]](message);
}
return message;
}
/*
* function transform (info, opts)
* Attempts to colorize the { level, message } of the given
* `logform` info object.
*/
transform(info, opts) {
if (opts.all && typeof info[MESSAGE] === 'string') {
info[MESSAGE] = this.colorize(info[LEVEL], info.level, info[MESSAGE]);
}
if (opts.level || opts.all || !opts.message) {
info.level = this.colorize(info[LEVEL], info.level);
}
if (opts.all || opts.message) {
info.message = this.colorize(info[LEVEL], info.level, info.message);
}
return info;
}
}
/*
* function colorize (info)
* Returns a new instance of the colorize Format that applies
* level colors to `info` objects. This was previously exposed
* as { colorize: true } to transports in `winston < 3.0.0`.
*/
module.exports = opts => new Colorizer(opts);
//
// Attach the Colorizer for registration purposes
//
module.exports.Colorizer
= module.exports.Format
= Colorizer;