[6a3a178] | 1 | import { FilePosition } from './input.js'
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| 2 |
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| 3 | /**
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| 4 | * The CSS parser throws this error for broken CSS.
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| 5 | *
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| 6 | * Custom parsers can throw this error for broken custom syntax using
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| 7 | * the `Node#error` method.
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| 8 | *
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| 9 | * PostCSS will use the input source map to detect the original error location.
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| 10 | * If you wrote a Sass file, compiled it to CSS and then parsed it with PostCSS,
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| 11 | * PostCSS will show the original position in the Sass file.
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| 12 | *
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| 13 | * If you need the position in the PostCSS input
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| 14 | * (e.g., to debug the previous compiler), use `error.input.file`.
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| 15 | *
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| 16 | * ```js
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| 17 | * // Raising error from plugin
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| 18 | * throw node.error('Unknown variable', { plugin: 'postcss-vars' })
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| 19 | * ```
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| 20 | *
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| 21 | * ```js
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| 22 | * // Catching and checking syntax error
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| 23 | * try {
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| 24 | * postcss.parse('a{')
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| 25 | * } catch (error) {
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| 26 | * if (error.name === 'CssSyntaxError') {
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| 27 | * error //=> CssSyntaxError
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| 28 | * }
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| 29 | * }
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| 30 | * ```
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| 31 | */
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| 32 | export default class CssSyntaxError {
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| 33 | /**
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| 34 | * @param message Error message.
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| 35 | * @param line Source line of the error.
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| 36 | * @param column Source column of the error.
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| 37 | * @param source Source code of the broken file.
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| 38 | * @param file Absolute path to the broken file.
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| 39 | * @param plugin PostCSS plugin name, if error came from plugin.
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| 40 | */
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| 41 | constructor(
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| 42 | message: string,
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| 43 | line?: number,
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| 44 | column?: number,
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| 45 | source?: string,
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| 46 | file?: string,
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| 47 | plugin?: string
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| 48 | )
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| 49 |
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| 50 | stack: string
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| 51 |
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| 52 | /**
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| 53 | * Always equal to `'CssSyntaxError'`. You should always check error type
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| 54 | * by `error.name === 'CssSyntaxError'`
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| 55 | * instead of `error instanceof CssSyntaxError`,
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| 56 | * because npm could have several PostCSS versions.
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| 57 | *
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| 58 | * ```js
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| 59 | * if (error.name === 'CssSyntaxError') {
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| 60 | * error //=> CssSyntaxError
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| 61 | * }
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| 62 | * ```
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| 63 | */
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| 64 | name: 'CssSyntaxError'
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| 65 |
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| 66 | /**
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| 67 | * Error message.
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| 68 | *
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| 69 | * ```js
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| 70 | * error.message //=> 'Unclosed block'
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| 71 | * ```
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| 72 | */
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| 73 | reason: string
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| 74 |
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| 75 | /**
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| 76 | * Full error text in the GNU error format
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| 77 | * with plugin, file, line and column.
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| 78 | *
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| 79 | * ```js
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| 80 | * error.message //=> 'a.css:1:1: Unclosed block'
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| 81 | * ```
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| 82 | */
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| 83 | message: string
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| 84 |
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| 85 | /**
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| 86 | * Absolute path to the broken file.
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| 87 | *
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| 88 | * ```js
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| 89 | * error.file //=> 'a.sass'
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| 90 | * error.input.file //=> 'a.css'
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| 91 | * ```
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| 92 | *
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| 93 | * PostCSS will use the input source map to detect the original location.
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| 94 | * If you need the position in the PostCSS input, use `error.input.file`.
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| 95 | */
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| 96 | file?: string
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| 97 |
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| 98 | /**
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| 99 | * Source line of the error.
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| 100 | *
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| 101 | * ```js
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| 102 | * error.line //=> 2
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| 103 | * error.input.line //=> 4
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| 104 | * ```
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| 105 | *
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| 106 | * PostCSS will use the input source map to detect the original location.
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| 107 | * If you need the position in the PostCSS input, use `error.input.line`.
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| 108 | */
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| 109 | line?: number
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| 110 |
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| 111 | /**
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| 112 | * Source column of the error.
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| 113 | *
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| 114 | * ```js
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| 115 | * error.column //=> 1
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| 116 | * error.input.column //=> 4
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| 117 | * ```
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| 118 | *
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| 119 | * PostCSS will use the input source map to detect the original location.
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| 120 | * If you need the position in the PostCSS input, use `error.input.column`.
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| 121 | */
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| 122 | column?: number
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| 123 |
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| 124 | /**
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| 125 | * Source code of the broken file.
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| 126 | *
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| 127 | * ```js
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| 128 | * error.source //=> 'a { b {} }'
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| 129 | * error.input.source //=> 'a b { }'
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| 130 | * ```
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| 131 | */
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| 132 | source?: string
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| 133 |
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| 134 | /**
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| 135 | * Plugin name, if error came from plugin.
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| 136 | *
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| 137 | * ```js
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| 138 | * error.plugin //=> 'postcss-vars'
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| 139 | * ```
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| 140 | */
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| 141 | plugin?: string
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| 142 |
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| 143 | /**
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| 144 | * Input object with PostCSS internal information
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| 145 | * about input file. If input has source map
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| 146 | * from previous tool, PostCSS will use origin
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| 147 | * (for example, Sass) source. You can use this
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| 148 | * object to get PostCSS input source.
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| 149 | *
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| 150 | * ```js
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| 151 | * error.input.file //=> 'a.css'
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| 152 | * error.file //=> 'a.sass'
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| 153 | * ```
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| 154 | */
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| 155 | input?: FilePosition
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| 156 |
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| 157 | /**
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| 158 | * Returns error position, message and source code of the broken part.
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| 159 | *
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| 160 | * ```js
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| 161 | * error.toString() //=> "CssSyntaxError: app.css:1:1: Unclosed block
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| 162 | * // > 1 | a {
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| 163 | * // | ^"
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| 164 | * ```
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| 165 | *
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| 166 | * @return Error position, message and source code.
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| 167 | */
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| 168 | toString(): string
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| 169 |
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| 170 | /**
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| 171 | * Returns a few lines of CSS source that caused the error.
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| 172 | *
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| 173 | * If the CSS has an input source map without `sourceContent`,
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| 174 | * this method will return an empty string.
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| 175 | *
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| 176 | * ```js
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| 177 | * error.showSourceCode() //=> " 4 | }
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| 178 | * // 5 | a {
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| 179 | * // > 6 | bad
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| 180 | * // | ^
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| 181 | * // 7 | }
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| 182 | * // 8 | b {"
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| 183 | * ```
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| 184 | *
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| 185 | * @param color Whether arrow will be colored red by terminal
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| 186 | * color codes. By default, PostCSS will detect
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| 187 | * color support by `process.stdout.isTTY`
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| 188 | * and `process.env.NODE_DISABLE_COLORS`.
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| 189 | * @return Few lines of CSS source that caused the error.
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| 190 | */
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| 191 | showSourceCode(color?: boolean): string
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| 192 | }
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