37 lines
1021 B
CoffeeScript
37 lines
1021 B
CoffeeScript
###*
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Definition of the SyntaxErrorEx class.
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@module utils/syntax-error-ex
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@license MIT. See LICENSE.md for details.
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###
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###*
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Represents a SyntaxError exception with line and column info.
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Collect syntax error information from the provided exception object. The
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JavaScript `SyntaxError` exception isn't interpreted uniformly across environ-
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ments, so we reparse on error to grab the line and column.
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See: http://stackoverflow.com/q/13323356
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@class SyntaxErrorEx
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###
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class SyntaxErrorEx
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constructor: ( ex, rawData ) ->
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lineNum = null
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colNum = null
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JSONLint = require 'json-lint'
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lint = JSONLint rawData, { comments: false }
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[@line, @col] = [lint.line, lint.character] if lint.error
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if !lint.error
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JSONLint = require 'jsonlint'
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try
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JSONLint.parse rawData
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catch err
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@line = (/on line (\d+)/.exec err)[1]
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# Return true if the supplied parameter is a JavaScript SyntaxError
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SyntaxErrorEx.is = ( ex ) -> ex instanceof SyntaxError
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module.exports = SyntaxErrorEx;
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