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"use strict";
// This file was originally written by @drudru (https://github.com/drudru/ansi_up), MIT, 2011
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var ANSI_COLORS = [[{ color: "0, 0, 0", "class": "ansi-black" }, { color: "187, 0, 0", "class": "ansi-red" }, { color: "0, 187, 0", "class": "ansi-green" }, { color: "187, 187, 0", "class": "ansi-yellow" }, { color: "0, 0, 187", "class": "ansi-blue" }, { color: "187, 0, 187", "class": "ansi-magenta" }, { color: "0, 187, 187", "class": "ansi-cyan" }, { color: "255,255,255", "class": "ansi-white" }], [{ color: "85, 85, 85", "class": "ansi-bright-black" }, { color: "255, 85, 85", "class": "ansi-bright-red" }, { color: "0, 255, 0", "class": "ansi-bright-green" }, { color: "255, 255, 85", "class": "ansi-bright-yellow" }, { color: "85, 85, 255", "class": "ansi-bright-blue" }, { color: "255, 85, 255", "class": "ansi-bright-magenta" }, { color: "85, 255, 255", "class": "ansi-bright-cyan" }, { color: "255, 255, 255", "class": "ansi-bright-white" }]];
var Anser = function () {
_createClass(Anser, null, [{
key: "escapeForHtml",
/**
* Anser.escapeForHtml
* Escape the input HTML.
*
* This does the minimum escaping of text to make it compliant with HTML.
* In particular, the '&','<', and '>' characters are escaped. This should
* be run prior to `ansiToHtml`.
*
* @name Anser.escapeForHtml
* @function
* @param {String} txt The input text (containing the ANSI snippets).
* @returns {String} The escaped html.
*/
value: function escapeForHtml(txt) {
return new Anser().escapeForHtml(txt);
}
/**
* Anser.linkify
* Adds the links in the HTML.
*
* This replaces any links in the text with anchor tags that display the
* link. The links should have at least one whitespace character
* surrounding it. Also, you should apply this after you have run
* `ansiToHtml` on the text.
*
* @name Anser.linkify
* @function
* @param {String} txt The input text.
* @returns {String} The HTML containing the <a> tags (unescaped).
*/
}, {
key: "linkify",
value: function linkify(txt) {
return new Anser().linkify(txt);
}
/**
* Anser.ansiToHtml
* This replaces ANSI terminal escape codes with SPAN tags that wrap the
* content.
*
* This function only interprets ANSI SGR (Select Graphic Rendition) codes
* that can be represented in HTML.
* For example, cursor movement codes are ignored and hidden from output.
* The default style uses colors that are very close to the prescribed
* standard. The standard assumes that the text will have a black
* background. These colors are set as inline styles on the SPAN tags.
*
* Another option is to set `use_classes: true` in the options argument.
* This will instead set classes on the spans so the colors can be set via
* CSS. The class names used are of the format `ansi-*-fg/bg` and
* `ansi-bright-*-fg/bg` where `*` is the color name,
* i.e black/red/green/yellow/blue/magenta/cyan/white.
*
* @name Anser.ansiToHtml
* @function
* @param {String} txt The input text.
* @param {Object} options The options passed to the ansiToHTML method.
* @returns {String} The HTML output.
*/
}, {
key: "ansiToHtml",
value: function ansiToHtml(txt, options) {
return new Anser().ansiToHtml(txt, options);
}
/**
* Anser.ansiToJson
* Converts ANSI input into JSON output.
*
* @name Anser.ansiToJson
* @function
* @param {String} txt The input text.
* @param {Object} options The options passed to the ansiToHTML method.
* @returns {String} The HTML output.
*/
}, {
key: "ansiToJson",
value: function ansiToJson(txt, options) {
return new Anser().ansiToJson(txt, options);
}
/**
* Anser.ansiToText
* Converts ANSI input into text output.
*
* @name Anser.ansiToText
* @function
* @param {String} txt The input text.
* @returns {String} The text output.
*/
}, {
key: "ansiToText",
value: function ansiToText(txt) {
return new Anser().ansiToText(txt);
}
/**
* Anser
* The `Anser` class.
*
* @name Anser
* @function
* @returns {Anser}
*/
}]);
function Anser() {
_classCallCheck(this, Anser);
this.fg = this.bg = this.fg_truecolor = this.bg_truecolor = null;
this.bright = 0;
}
/**
* setupPalette
* Sets up the palette.
*
* @name setupPalette
* @function
*/
_createClass(Anser, [{
key: "setupPalette",
value: function setupPalette() {
this.PALETTE_COLORS = [];
// Index 0..15 : System color
for (var i = 0; i < 2; ++i) {
for (var j = 0; j < 8; ++j) {
this.PALETTE_COLORS.push(ANSI_COLORS[i][j].color);
}
}
// Index 16..231 : RGB 6x6x6
// https://gist.github.com/jasonm23/2868981#file-xterm-256color-yaml
var levels = [0, 95, 135, 175, 215, 255];
var format = function format(r, g, b) {
return levels[r] + ", " + levels[g] + ", " + levels[b];
};
var r = void 0,
g = void 0,
b = void 0;
for (var _r = 0; _r < 6; ++_r) {
for (var _g = 0; _g < 6; ++_g) {
for (var _b = 0; _b < 6; ++_b) {
this.PALETTE_COLORS.push(format(_r, _g, _b));
}
}
}
// Index 232..255 : Grayscale
var level = 8;
for (var _i = 0; _i < 24; ++_i, level += 10) {
this.PALETTE_COLORS.push(format(level, level, level));
}
}
/**
* escapeForHtml
* Escapes the input text.
*
* @name escapeForHtml
* @function
* @param {String} txt The input text.
* @returns {String} The escpaed HTML output.
*/
}, {
key: "escapeForHtml",
value: function escapeForHtml(txt) {
return txt.replace(/[&<>]/gm, function (str) {
return str == "&" ? "&" : str == "<" ? "<" : str == ">" ? ">" : "";
});
}
/**
* linkify
* Adds HTML link elements.
*
* @name linkify
* @function
* @param {String} txt The input text.
* @returns {String} The HTML output containing link elements.
*/
}, {
key: "linkify",
value: function linkify(txt) {
return txt.replace(/(https?:\/\/[^\s]+)/gm, function (str) {
return "<a href=\"" + str + "\">" + str + "</a>";
});
}
/**
* ansiToHtml
* Converts ANSI input into HTML output.
*
* @name ansiToHtml
* @function
* @param {String} txt The input text.
* @param {Object} options The options passed ot the `process` method.
* @returns {String} The HTML output.
*/
}, {
key: "ansiToHtml",
value: function ansiToHtml(txt, options) {
return this.process(txt, options, true);
}
/**
* ansiToJson
* Converts ANSI input into HTML output.
*
* @name ansiToJson
* @function
* @param {String} txt The input text.
* @param {Object} options The options passed ot the `process` method.
* @returns {String} The JSON output.
*/
}, {
key: "ansiToJson",
value: function ansiToJson(txt, options) {
options = options || {};
options.json = true;
options.clearLine = false;
return this.process(txt, options, true);
}
/**
* ansiToText
* Converts ANSI input into HTML output.
*
* @name ansiToText
* @function
* @param {String} txt The input text.
* @returns {String} The text output.
*/
}, {
key: "ansiToText",
value: function ansiToText(txt) {
return this.process(txt, {}, false);
}
/**
* process
* Processes the input.
*
* @name process
* @function
* @param {String} txt The input text.
* @param {Object} options An object passed to `processChunk` method, extended with:
*
* - `json` (Boolean): If `true`, the result will be an object.
* - `use_classes` (Boolean): If `true`, HTML classes will be appended to the HTML output.
*
* @param {Boolean} markup
*/
}, {
key: "process",
value: function process(txt, options, markup) {
var _this = this;
var self = this;
var raw_text_chunks = txt.split(/\033\[/);
var first_chunk = raw_text_chunks.shift(); // the first chunk is not the result of the split
if (options === undefined || options === null) {
options = {};
}
options.clearLine = /\r/.test(txt); // check for Carriage Return
var color_chunks = raw_text_chunks.map(function (chunk) {
return _this.processChunk(chunk, options, markup);
});
if (options && options.json) {
var first = self.processChunkJson("");
first.content = first_chunk;
first.clearLine = options.clearLine;
color_chunks.unshift(first);
if (options.remove_empty) {
color_chunks = color_chunks.filter(function (c) {
return !c.isEmpty();
});
}
return color_chunks;
} else {
color_chunks.unshift(first_chunk);
}
return color_chunks.join("");
}
/**
* processChunkJson
* Processes the current chunk into json output.
*
* @name processChunkJson
* @function
* @param {String} text The input text.
* @param {Object} options An object containing the following fields:
*
* - `json` (Boolean): If `true`, the result will be an object.
* - `use_classes` (Boolean): If `true`, HTML classes will be appended to the HTML output.
*
* @param {Boolean} markup If false, the colors will not be parsed.
* @return {Object} The result object:
*
* - `content` (String): The text.
* - `fg` (String|null): The foreground color.
* - `bg` (String|null): The background color.
* - `fg_truecolor` (String|null): The foreground true color (if 16m color is enabled).
* - `bg_truecolor` (String|null): The background true color (if 16m color is enabled).
* - `clearLine` (Boolean): `true` if a carriageReturn \r was fount at end of line.
* - `was_processed` (Bolean): `true` if the colors were processed, `false` otherwise.
* - `isEmpty` (Function): A function returning `true` if the content is empty, or `false` otherwise.
*
*/
}, {
key: "processChunkJson",
value: function processChunkJson(text, options, markup) {
// Are we using classes or styles?
options = typeof options == "undefined" ? {} : options;
var use_classes = options.use_classes = typeof options.use_classes != "undefined" && options.use_classes;
var key = options.key = use_classes ? "class" : "color";
var result = {
content: text,
fg: null,
bg: null,
fg_truecolor: null,
bg_truecolor: null,
clearLine: options.clearLine,
decoration: null,
was_processed: false,
isEmpty: function isEmpty() {
return !result.content;
}
};
// Each "chunk" is the text after the CSI (ESC + "[") and before the next CSI/EOF.
//
// This regex matches four groups within a chunk.
//
// The first and third groups match code type.
// We supported only SGR command. It has empty first group and "m" in third.
//
// The second group matches all of the number+semicolon command sequences
// before the "m" (or other trailing) character.
// These are the graphics or SGR commands.
//
// The last group is the text (including newlines) that is colored by
// the other group"s commands.
var matches = text.match(/^([!\x3c-\x3f]*)([\d;]*)([\x20-\x2c]*[\x40-\x7e])([\s\S]*)/m);
if (!matches) return result;
var orig_txt = result.content = matches[4];
var nums = matches[2].split(";");
// We currently support only "SGR" (Select Graphic Rendition)
// Simply ignore if not a SGR command.
if (matches[1] !== "" || matches[3] !== "m") {
return result;
}
if (!markup) {
return result;
}
var self = this;
self.decoration = null;
while (nums.length > 0) {
var num_str = nums.shift();
var num = parseInt(num_str);
if (isNaN(num) || num === 0) {
self.fg = self.bg = self.decoration = null;
} else if (num === 1) {
self.decoration = "bold";
} else if (num === 2) {
self.decoration = "dim";
// Enable code 2 to get string
} else if (num == 3) {
self.decoration = "italic";
} else if (num == 4) {
self.decoration = "underline";
} else if (num == 5) {
self.decoration = "blink";
} else if (num === 7) {
self.decoration = "reverse";
} else if (num === 8) {
self.decoration = "hidden";
// Enable code 9 to get strikethrough
} else if (num === 9) {
self.decoration = "strikethrough";
} else if (num == 39) {
self.fg = null;
} else if (num == 49) {
self.bg = null;
// Foreground color
} else if (num >= 30 && num < 38) {
self.fg = ANSI_COLORS[0][num % 10][key];
// Foreground bright color
} else if (num >= 90 && num < 98) {
self.fg = ANSI_COLORS[1][num % 10][key];
// Background color
} else if (num >= 40 && num < 48) {
self.bg = ANSI_COLORS[0][num % 10][key];
// Background bright color
} else if (num >= 100 && num < 108) {
self.bg = ANSI_COLORS[1][num % 10][key];
} else if (num === 38 || num === 48) {
// extend color (38=fg, 48=bg)
var is_foreground = num === 38;
if (nums.length >= 1) {
var mode = nums.shift();
if (mode === "5" && nums.length >= 1) {
// palette color
var palette_index = parseInt(nums.shift());
if (palette_index >= 0 && palette_index <= 255) {
if (!use_classes) {
if (!this.PALETTE_COLORS) {
self.setupPalette();
}
if (is_foreground) {
self.fg = this.PALETTE_COLORS[palette_index];
} else {
self.bg = this.PALETTE_COLORS[palette_index];
}
} else {
var klass = palette_index >= 16 ? "ansi-palette-" + palette_index : ANSI_COLORS[palette_index > 7 ? 1 : 0][palette_index % 8]["class"];
if (is_foreground) {
self.fg = klass;
} else {
self.bg = klass;
}
}
}
} else if (mode === "2" && nums.length >= 3) {
// true color
var r = parseInt(nums.shift());
var g = parseInt(nums.shift());
var b = parseInt(nums.shift());
if (r >= 0 && r <= 255 && g >= 0 && g <= 255 && b >= 0 && b <= 255) {
var color = r + ", " + g + ", " + b;
if (!use_classes) {
if (is_foreground) {
self.fg = color;
} else {
self.bg = color;
}
} else {
if (is_foreground) {
self.fg = "ansi-truecolor";
self.fg_truecolor = color;
} else {
self.bg = "ansi-truecolor";
self.bg_truecolor = color;
}
}
}
}
}
}
}
if (self.fg === null && self.bg === null && self.decoration === null) {
return result;
} else {
var styles = [];
var classes = [];
var data = {};
result.fg = self.fg;
result.bg = self.bg;
result.fg_truecolor = self.fg_truecolor;
result.bg_truecolor = self.bg_truecolor;
result.decoration = self.decoration;
result.was_processed = true;
return result;
}
}
/**
* processChunk
* Processes the current chunk of text.
*
* @name processChunk
* @function
* @param {String} text The input text.
* @param {Object} options An object containing the following fields:
*
* - `json` (Boolean): If `true`, the result will be an object.
* - `use_classes` (Boolean): If `true`, HTML classes will be appended to the HTML output.
*
* @param {Boolean} markup If false, the colors will not be parsed.
* @return {Object|String} The result (object if `json` is wanted back or string otherwise).
*/
}, {
key: "processChunk",
value: function processChunk(text, options, markup) {
var _this2 = this;
var self = this;
options = options || {};
var jsonChunk = this.processChunkJson(text, options, markup);
if (options.json) {
return jsonChunk;
}
if (jsonChunk.isEmpty()) {
return "";
}
if (!jsonChunk.was_processed) {
return jsonChunk.content;
}
var use_classes = options.use_classes;
var styles = [];
var classes = [];
var data = {};
var render_data = function render_data(data) {
var fragments = [];
var key = void 0;
for (key in data) {
if (data.hasOwnProperty(key)) {
fragments.push("data-" + key + "=\"" + _this2.escapeForHtml(data[key]) + "\"");
}
}
return fragments.length > 0 ? " " + fragments.join(" ") : "";
};
if (jsonChunk.fg) {
if (use_classes) {
classes.push(jsonChunk.fg + "-fg");
if (jsonChunk.fg_truecolor !== null) {
data["ansi-truecolor-fg"] = jsonChunk.fg_truecolor;
jsonChunk.fg_truecolor = null;
}
} else {
styles.push("color:rgb(" + jsonChunk.fg + ")");
}
}
if (jsonChunk.bg) {
if (use_classes) {
classes.push(jsonChunk.bg + "-bg");
if (jsonChunk.bg_truecolor !== null) {
data["ansi-truecolor-bg"] = jsonChunk.bg_truecolor;
jsonChunk.bg_truecolor = null;
}
} else {
styles.push("background-color:rgb(" + jsonChunk.bg + ")");
}
}
if (jsonChunk.decoration) {
if (use_classes) {
classes.push("ansi-" + jsonChunk.decoration);
} else if (jsonChunk.decoration === "bold") {
styles.push("font-weight:bold");
} else if (jsonChunk.decoration === "dim") {
styles.push("opacity:0.5");
} else if (jsonChunk.decoration === "italic") {
styles.push("font-style:italic");
// underline and blink are treated bellow
} else if (jsonChunk.decoration === "reverse") {
styles.push("filter:invert(100%)");
} else if (jsonChunk.decoration === "hidden") {
styles.push("visibility:hidden");
} else if (jsonChunk.decoration === "strikethrough") {
styles.push("text-decoration:line-through");
} else {
styles.push("text-decoration:" + jsonChunk.decoration);
}
}
if (use_classes) {
return "<span class=\"" + classes.join(" ") + "\"" + render_data(data) + ">" + jsonChunk.content + "</span>";
} else {
return "<span style=\"" + styles.join(";") + "\"" + render_data(data) + ">" + jsonChunk.content + "</span>";
}
}
}]);
return Anser;
}();
;
module.exports = Anser;