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Fix broken sourcemaps when using esbuild --public-path #515

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Fix broken sourcemaps when using esbuild --public-path #515

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014c84a
When resolving a sourcemap URL, ignore any leading directory that may
richardkmiller Jan 18, 2023
0ea4c35
tested
nicklozon Mar 5, 2024
92fff09
make prefix differ
nicklozon Mar 5, 2024
af2cbbb
Merge pull request #1 from nicklozon/fix-missing-sourcemap-with-esbui…
richardkmiller Mar 15, 2024
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2 changes: 1 addition & 1 deletion lib/sprockets/rails/sourcemapping_url_processor.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ module Sprockets
module Rails
# Rewrites source mapping urls with the digested paths and protect against semicolon appending with a dummy comment line
class SourcemappingUrlProcessor
REGEX = /\/\/# sourceMappingURL=(.*\.map)/
REGEX = /\/\/# sourceMappingURL=(?:.*\/)?(.*\.map)/

class << self
def call(input)
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20 changes: 20 additions & 0 deletions test/test_sourcemapping_url_processor.rb
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Expand Up @@ -23,6 +23,26 @@ def asset_path(path, options = {})
assert_equal({ data: "var mapped;\n//# sourceMappingURL=/assets/mapped-HEXGOESHERE.js.map\n//!\n" }, output)
end

def test_removing_path_prefix
@env.context_class.class_eval do
def resolve(path, **kargs)
if path == 'mapped.js.map'
"/assets/mapped.js.map"
else
raise Sprockets::FileNotFound
end
end

def asset_path(path, options = {})
"/assets/mapped-HEXGOESHERE.js.map"
end
end

input = { environment: @env, data: "var mapped;\n//# sourceMappingURL=/some/prefix/mapped.js.map", name: 'mapped', filename: 'mapped.js', metadata: {} }
output = Sprockets::Rails::SourcemappingUrlProcessor.call(input)
assert_equal({ data: "var mapped;\n//# sourceMappingURL=/assets/mapped-HEXGOESHERE.js.map\n//!\n" }, output)
end

def test_resolving_erroneously_without_map_extension
@env.context_class.class_eval do
def resolve(path, **kargs)
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