Spaces:
Sleeping
Sleeping
File size: 4,262 Bytes
4cadbaf |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 |
'use strict'
module.exports = ansiHTML
// Reference to https://github.com/sindresorhus/ansi-regex
var _regANSI = /(?:(?:\u001b\[)|\u009b)(?:(?:[0-9]{1,3})?(?:(?:;[0-9]{0,3})*)?[A-M|f-m])|\u001b[A-M]/
var _defColors = {
reset: ['fff', '000'], // [FOREGROUD_COLOR, BACKGROUND_COLOR]
black: '000',
red: 'ff0000',
green: '209805',
yellow: 'e8bf03',
blue: '0000ff',
magenta: 'ff00ff',
cyan: '00ffee',
lightgrey: 'f0f0f0',
darkgrey: '888'
}
var _styles = {
30: 'black',
31: 'red',
32: 'green',
33: 'yellow',
34: 'blue',
35: 'magenta',
36: 'cyan',
37: 'lightgrey'
}
var _openTags = {
'1': 'font-weight:bold', // bold
'2': 'opacity:0.5', // dim
'3': '<i>', // italic
'4': '<u>', // underscore
'8': 'display:none', // hidden
'9': '<del>' // delete
}
var _closeTags = {
'23': '</i>', // reset italic
'24': '</u>', // reset underscore
'29': '</del>' // reset delete
}
;[0, 21, 22, 27, 28, 39, 49].forEach(function (n) {
_closeTags[n] = '</span>'
})
/**
* Converts text with ANSI color codes to HTML markup.
* @param {String} text
* @returns {*}
*/
function ansiHTML (text) {
// Returns the text if the string has no ANSI escape code.
if (!_regANSI.test(text)) {
return text
}
// Cache opened sequence.
var ansiCodes = []
// Replace with markup.
var ret = text.replace(/\033\[(\d+)m/g, function (match, seq) {
var ot = _openTags[seq]
if (ot) {
// If current sequence has been opened, close it.
if (!!~ansiCodes.indexOf(seq)) { // eslint-disable-line no-extra-boolean-cast
ansiCodes.pop()
return '</span>'
}
// Open tag.
ansiCodes.push(seq)
return ot[0] === '<' ? ot : '<span style="' + ot + ';">'
}
var ct = _closeTags[seq]
if (ct) {
// Pop sequence
ansiCodes.pop()
return ct
}
return ''
})
// Make sure tags are closed.
var l = ansiCodes.length
;(l > 0) && (ret += Array(l + 1).join('</span>'))
return ret
}
/**
* Customize colors.
* @param {Object} colors reference to _defColors
*/
ansiHTML.setColors = function (colors) {
if (typeof colors !== 'object') {
throw new Error('`colors` parameter must be an Object.')
}
var _finalColors = {}
for (var key in _defColors) {
var hex = colors.hasOwnProperty(key) ? colors[key] : null
if (!hex) {
_finalColors[key] = _defColors[key]
continue
}
if ('reset' === key) {
if (typeof hex === 'string') {
hex = [hex]
}
if (!Array.isArray(hex) || hex.length === 0 || hex.some(function (h) {
return typeof h !== 'string'
})) {
throw new Error('The value of `' + key + '` property must be an Array and each item could only be a hex string, e.g.: FF0000')
}
var defHexColor = _defColors[key]
if (!hex[0]) {
hex[0] = defHexColor[0]
}
if (hex.length === 1 || !hex[1]) {
hex = [hex[0]]
hex.push(defHexColor[1])
}
hex = hex.slice(0, 2)
} else if (typeof hex !== 'string') {
throw new Error('The value of `' + key + '` property must be a hex string, e.g.: FF0000')
}
_finalColors[key] = hex
}
_setTags(_finalColors)
}
/**
* Reset colors.
*/
ansiHTML.reset = function () {
_setTags(_defColors)
}
/**
* Expose tags, including open and close.
* @type {Object}
*/
ansiHTML.tags = {}
if (Object.defineProperty) {
Object.defineProperty(ansiHTML.tags, 'open', {
get: function () { return _openTags }
})
Object.defineProperty(ansiHTML.tags, 'close', {
get: function () { return _closeTags }
})
} else {
ansiHTML.tags.open = _openTags
ansiHTML.tags.close = _closeTags
}
function _setTags (colors) {
// reset all
_openTags['0'] = 'font-weight:normal;opacity:1;color:#' + colors.reset[0] + ';background:#' + colors.reset[1]
// inverse
_openTags['7'] = 'color:#' + colors.reset[1] + ';background:#' + colors.reset[0]
// dark grey
_openTags['90'] = 'color:#' + colors.darkgrey
for (var code in _styles) {
var color = _styles[code]
var oriColor = colors[color] || '000'
_openTags[code] = 'color:#' + oriColor
code = parseInt(code)
_openTags[(code + 10).toString()] = 'background:#' + oriColor
}
}
ansiHTML.reset()
|