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299 lines
24 KiB
299 lines
24 KiB
4 years ago
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"use strict";
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exports.__esModule = true;
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exports.default = void 0;
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var _supportsColor = _interopRequireDefault(require("supports-color"));
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var _chalk = _interopRequireDefault(require("chalk"));
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var _terminalHighlight = _interopRequireDefault(require("./terminal-highlight"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
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function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
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function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }
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function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
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function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
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function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }
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function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
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function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
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/**
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* The CSS parser throws this error for broken CSS.
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*
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* Custom parsers can throw this error for broken custom syntax using
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* the {@link Node#error} method.
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*
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* PostCSS will use the input source map to detect the original error location.
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* If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS,
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* PostCSS will show the original position in the Sass file.
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*
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* If you need the position in the PostCSS input
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* (e.g., to debug the previous compiler), use `error.input.file`.
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*
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* @example
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* // Catching and checking syntax error
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* try {
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* postcss.parse('a{')
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* } catch (error) {
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* if (error.name === 'CssSyntaxError') {
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* error //=> CssSyntaxError
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* }
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* }
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*
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* @example
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* // Raising error from plugin
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* throw node.error('Unknown variable', { plugin: 'postcss-vars' })
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*/
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var CssSyntaxError = /*#__PURE__*/function (_Error) {
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_inheritsLoose(CssSyntaxError, _Error);
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/**
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* @param {string} message Error message.
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* @param {number} [line] Source line of the error.
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* @param {number} [column] Source column of the error.
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* @param {string} [source] Source code of the broken file.
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* @param {string} [file] Absolute path to the broken file.
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* @param {string} [plugin] PostCSS plugin name, if error came from plugin.
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*/
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function CssSyntaxError(message, line, column, source, file, plugin) {
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var _this;
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_this = _Error.call(this, message) || this;
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/**
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* Always equal to `'CssSyntaxError'`. You should always check error type
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* by `error.name === 'CssSyntaxError'`
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* instead of `error instanceof CssSyntaxError`,
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* because npm could have several PostCSS versions.
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*
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* @type {string}
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*
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* @example
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* if (error.name === 'CssSyntaxError') {
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* error //=> CssSyntaxError
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* }
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*/
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_this.name = 'CssSyntaxError';
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/**
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* Error message.
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*
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* @type {string}
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*
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* @example
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* error.message //=> 'Unclosed block'
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*/
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_this.reason = message;
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if (file) {
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/**
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* Absolute path to the broken file.
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*
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* @type {string}
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*
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* @example
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* error.file //=> 'a.sass'
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* error.input.file //=> 'a.css'
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*/
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_this.file = file;
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}
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if (source) {
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/**
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* Source code of the broken file.
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*
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* @type {string}
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*
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* @example
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* error.source //=> 'a { b {} }'
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* error.input.column //=> 'a b { }'
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*/
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_this.source = source;
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}
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if (plugin) {
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/**
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* Plugin name, if error came from plugin.
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*
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* @type {string}
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*
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* @example
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* error.plugin //=> 'postcss-vars'
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*/
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_this.plugin = plugin;
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}
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if (typeof line !== 'undefined' && typeof column !== 'undefined') {
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/**
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* Source line of the error.
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*
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* @type {number}
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*
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* @example
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* error.line //=> 2
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* error.input.line //=> 4
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*/
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_this.line = line;
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/**
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* Source column of the error.
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*
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* @type {number}
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*
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* @example
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* error.column //=> 1
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* error.input.column //=> 4
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*/
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_this.column = column;
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}
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_this.setMessage();
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if (Error.captureStackTrace) {
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Error.captureStackTrace(_assertThisInitialized(_this), CssSyntaxError);
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}
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return _this;
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}
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var _proto = CssSyntaxError.prototype;
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_proto.setMessage = function setMessage() {
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/**
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* Full error text in the GNU error format
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* with plugin, file, line and column.
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*
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* @type {string}
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*
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* @example
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* error.message //=> 'a.css:1:1: Unclosed block'
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*/
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this.message = this.plugin ? this.plugin + ': ' : '';
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this.message += this.file ? this.file : '<css input>';
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if (typeof this.line !== 'undefined') {
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this.message += ':' + this.line + ':' + this.column;
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}
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this.message += ': ' + this.reason;
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}
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/**
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* Returns a few lines of CSS source that caused the error.
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*
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* If the CSS has an input source map without `sourceContent`,
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* this method will return an empty string.
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*
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* @param {boolean} [color] Whether arrow will be colored red by terminal
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* color codes. By default, PostCSS will detect
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* color support by `process.stdout.isTTY`
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* and `process.env.NODE_DISABLE_COLORS`.
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*
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* @example
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* error.showSourceCode() //=> " 4 | }
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* // 5 | a {
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* // > 6 | bad
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* // | ^
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* // 7 | }
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* // 8 | b {"
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*
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* @return {string} Few lines of CSS source that caused the error.
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*/
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;
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_proto.showSourceCode = function showSourceCode(color) {
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var _this2 = this;
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if (!this.source) return '';
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var css = this.source;
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if (_terminalHighlight.default) {
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if (typeof color === 'undefined') color = _supportsColor.default.stdout;
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if (color) css = (0, _terminalHighlight.default)(css);
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}
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var lines = css.split(/\r?\n/);
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var start = Math.max(this.line - 3, 0);
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var end = Math.min(this.line + 2, lines.length);
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var maxWidth = String(end).length;
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function mark(text) {
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if (color && _chalk.default.red) {
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return _chalk.default.red.bold(text);
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}
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return text;
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}
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function aside(text) {
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if (color && _chalk.default.gray) {
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return _chalk.default.gray(text);
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}
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return text;
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}
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return lines.slice(start, end).map(function (line, index) {
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var number = start + 1 + index;
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var gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | ';
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if (number === _this2.line) {
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var spacing = aside(gutter.replace(/\d/g, ' ')) + line.slice(0, _this2.column - 1).replace(/[^\t]/g, ' ');
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return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^');
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}
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return ' ' + aside(gutter) + line;
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}).join('\n');
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}
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/**
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* Returns error position, message and source code of the broken part.
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*
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* @example
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* error.toString() //=> "CssSyntaxError: app.css:1:1: Unclosed block
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* // > 1 | a {
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* // | ^"
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*
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* @return {string} Error position, message and source code.
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*/
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;
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_proto.toString = function toString() {
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var code = this.showSourceCode();
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if (code) {
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code = '\n\n' + code + '\n';
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}
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return this.name + ': ' + this.message + code;
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}
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/**
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* @memberof CssSyntaxError#
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* @member {Input} input Input object with PostCSS internal information
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* about input file. If input has source map
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* from previous tool, PostCSS will use origin
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* (for example, Sass) source. You can use this
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* object to get PostCSS input source.
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*
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* @example
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* error.input.file //=> 'a.css'
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* error.file //=> 'a.sass'
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*/
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;
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return CssSyntaxError;
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}( /*#__PURE__*/_wrapNativeSuper(Error));
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var _default = CssSyntaxError;
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exports.default = _default;
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module.exports = exports.default;
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