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"use strict";
exports.__esModule = true;
exports.default = function (rawLines, lineNumber, colNumber) {
var opts = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
colNumber = Math.max(colNumber, 0);
var highlighted = opts.highlightCode && _chalk2.default.supportsColor;
var maybeHighlight = function maybeHighlight(chalkFn, string) {
return highlighted ? chalkFn(string) : string;
};
if (highlighted) rawLines = highlight(rawLines);
var linesAbove = opts.linesAbove || 2;
var linesBelow = opts.linesBelow || 3;
var lines = rawLines.split(NEWLINE);
var start = Math.max(lineNumber - (linesAbove + 1), 0);
var end = Math.min(lines.length, lineNumber + linesBelow);
if (!lineNumber && !colNumber) {
start = 0;
end = lines.length;
}
var numberMaxWidth = String(end).length;
var frame = lines.slice(start, end).map(function (line, index) {
var number = start + 1 + index;
var paddedNumber = (" " + number).slice(-numberMaxWidth);
var gutter = " " + paddedNumber + " | ";
if (number === lineNumber) {
var markerLine = "";
if (colNumber) {
var markerSpacing = line.slice(0, colNumber - 1).replace(/[^\t]/g, " ");
markerLine = ["\n ", maybeHighlight(defs.gutter, gutter.replace(/\d/g, " ")), markerSpacing, maybeHighlight(defs.marker, "^")].join("");
}
return [maybeHighlight(defs.marker, ">"), maybeHighlight(defs.gutter, gutter), line, markerLine].join("");
} else {
return " " + maybeHighlight(defs.gutter, gutter) + line;
}
}).join("\n");
if (highlighted) {
return _chalk2.default.reset(frame);
} else {
return frame;
}
};
var _jsTokens = require("js-tokens");
var _jsTokens2 = _interopRequireDefault(_jsTokens);
var _esutils = require("esutils");
var _esutils2 = _interopRequireDefault(_esutils);
var _chalk = require("chalk");
var _chalk2 = _interopRequireDefault(_chalk);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var defs = {
keyword: _chalk2.default.cyan,
capitalized: _chalk2.default.yellow,
jsx_tag: _chalk2.default.yellow,
punctuator: _chalk2.default.yellow,
number: _chalk2.default.magenta,
string: _chalk2.default.green,
regex: _chalk2.default.magenta,
comment: _chalk2.default.grey,
invalid: _chalk2.default.white.bgRed.bold,
gutter: _chalk2.default.grey,
marker: _chalk2.default.red.bold
};
var NEWLINE = /\r\n|[\n\r\u2028\u2029]/;
var JSX_TAG = /^[a-z][\w-]*$/i;
var BRACKET = /^[()\[\]{}]$/;
function getTokenType(match) {
var _match$slice = match.slice(-2);
var offset = _match$slice[0];
var text = _match$slice[1];
var token = _jsTokens2.default.matchToToken(match);
if (token.type === "name") {
if (_esutils2.default.keyword.isReservedWordES6(token.value)) {
return "keyword";
}
if (JSX_TAG.test(token.value) && (text[offset - 1] === "<" || text.substr(offset - 2, 2) == "</")) {
return "jsx_tag";
}
if (token.value[0] !== token.value[0].toLowerCase()) {
return "capitalized";
}
}
if (token.type === "punctuator" && BRACKET.test(token.value)) {
return "bracket";
}
return token.type;
}
function highlight(text) {
return text.replace(_jsTokens2.default, function () {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var type = getTokenType(args);
var colorize = defs[type];
if (colorize) {
return args[0].split(NEWLINE).map(function (str) {
return colorize(str);
}).join("\n");
} else {
return args[0];
}
});
}
module.exports = exports["default"];
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