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Normalize directory path to forward slash in sourcemap source property #110

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liy opened this issue Oct 22, 2014 · 2 comments
Closed

Normalize directory path to forward slash in sourcemap source property #110

liy opened this issue Oct 22, 2014 · 2 comments

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@liy
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liy commented Oct 22, 2014

Under windows, sourcemap.js produces: sources:[ "..\\main.js"].

In this case, devtools cannot map it to the correct file. It could be the path.relative always returns backslash in windows.

@kirubasankars
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Yes. I having the same issue. its windows only. when I track it down. I got a temporary fix.

node_modules\grunt-contrib-concat\tasks\lib\sourcemap.js

may be line number 96 :

SourceMapConcatHelper.prototype.addlines = function(src, filename) {
    var relativeFilename = path.relative(path.dirname(this.dest), filename);

TO

SourceMapConcatHelper.prototype.addlines = function(src, filename) {
    var relativeFilename = path.relative(path.dirname(this.dest), filename).replace(/\\/g,'/');

Good Luck.

riaann added a commit to riaann/grunt-contrib-concat that referenced this issue Feb 17, 2015
On windows, node's path api returns backslashes for path separators.
Because the source-map library expects forward slashes in all cases,
their relative path logic (specifically their "normalize" function)
gives incorrect results when passing in backslash.  The
mozilla/source-map library won't change this, because they are actually
expecting URLs as input - see
mozilla/source-map#91 (comment).

This fix is similar to the one made for grunt-contrib-uglify:
gruntjs/grunt-contrib-uglify#175.

This should fix issue gruntjs#110 and gruntjs#95.
riaann added a commit to riaann/grunt-contrib-concat that referenced this issue Feb 18, 2015
On windows, node's path api returns backslashes for path separators.
Because the source-map library expects forward slashes in all cases,
their relative path logic (specifically their "normalize" function)
gives incorrect results when passing in backslash.  The
mozilla/source-map library won't change this, because they are actually
expecting URLs as input - see
mozilla/source-map#91 (comment).

This fix is similar to the one made for grunt-contrib-uglify:
gruntjs/grunt-contrib-uglify#175.

Standardized line endings for test fixtures by enforcing LF end of files for fixtures directory
(through repository .gitattributes).  This change was needed
because the expected output of source maps are based on input files with LF, rather
than CRLF. Before this change the tests were breaking due to git autocrlf on Windows.
The difference between the source maps generated from input
files using CRLF and the source maps generated from input files using
only LF can't be normalized in the test, due to the nature of the
changes:  the offsets in the source map are changed, as well as the
embedded source.  These kinds of changes aren't as simple to normalize
as just line feeds in output files - and such normalization would be too
invasive, to the point of making the test less effective.

This should fix issue gruntjs#110 and gruntjs#95 and all unit tests should now pass.
@XhmikosR
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Duplicate of #95.

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