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Direktori : /var/www/html/node_modules/postcss/lib/ |
Current File : /var/www/html/node_modules/postcss/lib/css-syntax-error.js |
'use strict' let pico = require('picocolors') let terminalHighlight = require('./terminal-highlight') class CssSyntaxError extends Error { constructor(message, line, column, source, file, plugin) { super(message) this.name = 'CssSyntaxError' this.reason = message if (file) { this.file = file } if (source) { this.source = source } if (plugin) { this.plugin = plugin } if (typeof line !== 'undefined' && typeof column !== 'undefined') { if (typeof line === 'number') { this.line = line this.column = column } else { this.line = line.line this.column = line.column this.endLine = column.line this.endColumn = column.column } } this.setMessage() if (Error.captureStackTrace) { Error.captureStackTrace(this, CssSyntaxError) } } setMessage() { this.message = this.plugin ? this.plugin + ': ' : '' this.message += this.file ? this.file : '<css input>' if (typeof this.line !== 'undefined') { this.message += ':' + this.line + ':' + this.column } this.message += ': ' + this.reason } showSourceCode(color) { if (!this.source) return '' let css = this.source if (color == null) color = pico.isColorSupported if (terminalHighlight) { if (color) css = terminalHighlight(css) } let lines = css.split(/\r?\n/) let start = Math.max(this.line - 3, 0) let end = Math.min(this.line + 2, lines.length) let maxWidth = String(end).length let mark, aside if (color) { let { bold, red, gray } = pico.createColors(true) mark = text => bold(red(text)) aside = text => gray(text) } else { mark = aside = str => str } return lines .slice(start, end) .map((line, index) => { let number = start + 1 + index let gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | ' if (number === this.line) { let spacing = aside(gutter.replace(/\d/g, ' ')) + line.slice(0, this.column - 1).replace(/[^\t]/g, ' ') return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^') } return ' ' + aside(gutter) + line }) .join('\n') } toString() { let code = this.showSourceCode() if (code) { code = '\n\n' + code + '\n' } return this.name + ': ' + this.message + code } } module.exports = CssSyntaxError CssSyntaxError.default = CssSyntaxError