64 lines
2.7 KiB
JavaScript
64 lines
2.7 KiB
JavaScript
/*!
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* Copyright (c) Squirrel Chat et al., All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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function getLineColFromPtr(string, ptr) {
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let lines = string.slice(0, ptr).split(/\r\n|\n|\r/g);
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return [lines.length, lines.pop().length + 1];
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}
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function makeCodeBlock(string, line, column) {
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let lines = string.split(/\r\n|\n|\r/g);
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let codeblock = '';
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let numberLen = (Math.log10(line + 1) | 0) + 1;
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for (let i = line - 1; i <= line + 1; i++) {
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let l = lines[i - 1];
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if (!l)
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continue;
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codeblock += i.toString().padEnd(numberLen, ' ');
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codeblock += ': ';
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codeblock += l;
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codeblock += '\n';
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if (i === line) {
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codeblock += ' '.repeat(numberLen + column + 2);
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codeblock += '^\n';
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}
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}
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return codeblock;
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}
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export class TomlError extends Error {
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line;
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column;
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codeblock;
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constructor(message, options) {
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const [line, column] = getLineColFromPtr(options.toml, options.ptr);
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const codeblock = makeCodeBlock(options.toml, line, column);
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super(`Invalid TOML document: ${message}\n\n${codeblock}`, options);
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this.line = line;
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this.column = column;
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this.codeblock = codeblock;
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}
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}
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