source: trip-planner-front/node_modules/postcss/lib/css-syntax-error.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.2 KB
Line 
1'use strict'
2
3let { red, bold, gray, options: colorette } = require('colorette')
4
5let terminalHighlight = require('./terminal-highlight')
6
7class CssSyntaxError extends Error {
8 constructor(message, line, column, source, file, plugin) {
9 super(message)
10 this.name = 'CssSyntaxError'
11 this.reason = message
12
13 if (file) {
14 this.file = file
15 }
16 if (source) {
17 this.source = source
18 }
19 if (plugin) {
20 this.plugin = plugin
21 }
22 if (typeof line !== 'undefined' && typeof column !== 'undefined') {
23 this.line = line
24 this.column = column
25 }
26
27 this.setMessage()
28
29 if (Error.captureStackTrace) {
30 Error.captureStackTrace(this, CssSyntaxError)
31 }
32 }
33
34 setMessage() {
35 this.message = this.plugin ? this.plugin + ': ' : ''
36 this.message += this.file ? this.file : '<css input>'
37 if (typeof this.line !== 'undefined') {
38 this.message += ':' + this.line + ':' + this.column
39 }
40 this.message += ': ' + this.reason
41 }
42
43 showSourceCode(color) {
44 if (!this.source) return ''
45
46 let css = this.source
47 if (color == null) color = colorette.enabled
48 if (terminalHighlight) {
49 if (color) css = terminalHighlight(css)
50 }
51
52 let lines = css.split(/\r?\n/)
53 let start = Math.max(this.line - 3, 0)
54 let end = Math.min(this.line + 2, lines.length)
55
56 let maxWidth = String(end).length
57
58 let mark, aside
59 if (color) {
60 mark = text => bold(red(text))
61 aside = text => gray(text)
62 } else {
63 mark = aside = str => str
64 }
65
66 return lines
67 .slice(start, end)
68 .map((line, index) => {
69 let number = start + 1 + index
70 let gutter = ' ' + (' ' + number).slice(-maxWidth) + ' | '
71 if (number === this.line) {
72 let spacing =
73 aside(gutter.replace(/\d/g, ' ')) +
74 line.slice(0, this.column - 1).replace(/[^\t]/g, ' ')
75 return mark('>') + aside(gutter) + line + '\n ' + spacing + mark('^')
76 }
77 return ' ' + aside(gutter) + line
78 })
79 .join('\n')
80 }
81
82 toString() {
83 let code = this.showSourceCode()
84 if (code) {
85 code = '\n\n' + code + '\n'
86 }
87 return this.name + ': ' + this.message + code
88 }
89}
90
91module.exports = CssSyntaxError
92CssSyntaxError.default = CssSyntaxError
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