my-idlers/node_modules/css-tree/lib/common/SyntaxError.js
cp6 fd22b0bf58 V2 (Laravel re-make)
V2 (Laravel re-make)
2022-03-06 02:02:12 +11:00

83 lines
2.5 KiB
JavaScript
Vendored

var createCustomError = require('../utils/createCustomError');
var MAX_LINE_LENGTH = 100;
var OFFSET_CORRECTION = 60;
var TAB_REPLACEMENT = ' ';
function sourceFragment(error, extraLines) {
function processLines(start, end) {
return lines.slice(start, end).map(function(line, idx) {
var num = String(start + idx + 1);
while (num.length < maxNumLength) {
num = ' ' + num;
}
return num + ' |' + line;
}).join('\n');
}
var lines = error.source.split(/\r\n?|\n|\f/);
var line = error.line;
var column = error.column;
var startLine = Math.max(1, line - extraLines) - 1;
var endLine = Math.min(line + extraLines, lines.length + 1);
var maxNumLength = Math.max(4, String(endLine).length) + 1;
var cutLeft = 0;
// column correction according to replaced tab before column
column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\t/g) || []).length;
if (column > MAX_LINE_LENGTH) {
cutLeft = column - OFFSET_CORRECTION + 3;
column = OFFSET_CORRECTION - 2;
}
for (var i = startLine; i <= endLine; i++) {
if (i >= 0 && i < lines.length) {
lines[i] = lines[i].replace(/\t/g, TAB_REPLACEMENT);
lines[i] =
(cutLeft > 0 && lines[i].length > cutLeft ? '\u2026' : '') +
lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +
(lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\u2026' : '');
}
}
return [
processLines(startLine, line),
new Array(column + maxNumLength + 2).join('-') + '^',
processLines(line, endLine)
].filter(Boolean).join('\n');
}
var SyntaxError = function(message, source, offset, line, column) {
var error = createCustomError('SyntaxError', message);
error.source = source;
error.offset = offset;
error.line = line;
error.column = column;
error.sourceFragment = function(extraLines) {
return sourceFragment(error, isNaN(extraLines) ? 0 : extraLines);
};
Object.defineProperty(error, 'formattedMessage', {
get: function() {
return (
'Parse error: ' + error.message + '\n' +
sourceFragment(error, 2)
);
}
});
// for backward capability
error.parseError = {
offset: offset,
line: line,
column: column
};
return error;
};
module.exports = SyntaxError;