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jashkenasjashkenas
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Fixes jashkenas#2389 -- strip the BOM for once and for all
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‎lib/coffee-script/lexer.js‎

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‎src/lexer.coffee‎

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@@ -67,6 +67,7 @@ exports.Lexer = class Lexer
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# returns, etc. If we're lexing literate CoffeeScript, strip external Markdown
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# by removing all lines that aren't indented by at least four spaces.
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clean: (code) ->
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code = code.slice(1) if code.charCodeAt(0) is BOM
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code = "\n#{code}" if WHITESPACE.test code
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code = code.replace(/\r/g, '').replace TRAILING_SPACES, ''
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if @literate
@@ -605,6 +606,9 @@ JS_FORBIDDEN = JS_KEYWORDS.concat(RESERVED).concat(STRICT_PROSCRIBED)
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exports.RESERVED = RESERVED.concat(JS_KEYWORDS).concat(COFFEE_KEYWORDS).concat(STRICT_PROSCRIBED)
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exports.STRICT_PROSCRIBED = STRICT_PROSCRIBED
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# The character code of the nasty Microsoft madness otherwise known as the BOM.
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BOM = 65279
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# Token matching regexes.
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IDENTIFIER = /// ^
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( [$A-Za-z_\x7f-\uffff][$\w\x7f-\uffff]* )

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