|
|
- "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 || opts.forceColor;
- var chalk = _chalk2.default;
- if (opts.forceColor) {
- chalk = new _chalk2.default.constructor({ enabled: true });
- }
- var maybeHighlight = function maybeHighlight(chalkFn, string) {
- return highlighted ? chalkFn(string) : string;
- };
- var defs = getDefs(chalk);
- if (highlighted) rawLines = highlight(defs, 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 chalk.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 }; }
-
- function getDefs(chalk) {
- return {
- keyword: chalk.cyan,
- capitalized: chalk.yellow,
- jsx_tag: chalk.yellow,
- punctuator: chalk.yellow,
-
- number: chalk.magenta,
- string: chalk.green,
- regex: chalk.magenta,
- comment: chalk.grey,
- invalid: chalk.white.bgRed.bold,
- gutter: chalk.grey,
- marker: chalk.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),
- offset = _match$slice[0],
- text = _match$slice[1];
-
- var token = (0, _jsTokens.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(defs, 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"];
|