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Module: Opal

Extended by:
UseGem
Defined in:
opal/lib/opal.rb,
opal/lib/opal/cli.rb,
opal/lib/opal/erb.rb,
opal/lib/opal/util.rb,
opal/lib/tilt/opal.rb,
opal/lib/opal/paths.rb,
opal/lib/opal/config.rb,
opal/lib/opal/parser.rb,
opal/lib/opal/builder.rb,
opal/lib/opal/version.rb,
opal/lib/opal/compiler.rb,
opal/lib/opal/fragment.rb,
opal/lib/opal/nodes/if.rb,
opal/lib/opal/nodes/def.rb,
opal/lib/opal/nodes/for.rb,
opal/lib/opal/nodes/top.rb,
opal/lib/opal/sprockets.rb,
opal/lib/opal/nodes/base.rb,
opal/lib/opal/nodes/call.rb,
opal/lib/opal/nodes/case.rb,
opal/lib/opal/nodes/hash.rb,
opal/lib/opal/nodes/iter.rb,
opal/lib/opal/source_map.rb,
opal/lib/opal/cli_options.rb,
opal/lib/opal/cli_runners.rb,
opal/lib/opal/nodes/array.rb,
opal/lib/opal/nodes/class.rb,
opal/lib/opal/nodes/logic.rb,
opal/lib/opal/nodes/masgn.rb,
opal/lib/opal/nodes/scope.rb,
opal/lib/opal/nodes/super.rb,
opal/lib/opal/nodes/while.rb,
opal/lib/opal/nodes/yield.rb,
opal/lib/opal/parser/sexp.rb,
opal/lib/opal/path_reader.rb,
opal/lib/opal/nodes/module.rb,
opal/lib/opal/nodes/rescue.rb,
opal/lib/opal/parser/lexer.rb,
opal/lib/opal/nodes/arglist.rb,
opal/lib/opal/nodes/defined.rb,
opal/lib/opal/nodes/helpers.rb,
opal/lib/opal/nodes/literal.rb,
opal/lib/opal/sprockets/erb.rb,
opal/lib/opal/parser/grammar.rb,
opal/lib/opal/regexp_anchors.rb,
opal/lib/opal/nodes/constants.rb,
opal/lib/opal/nodes/variables.rb,
opal/lib/opal/parser/keywords.rb,
opal/lib/opal/hike_path_finder.rb,
opal/lib/opal/sprockets/server.rb,
opal/lib/opal/nodes/definitions.rb,
opal/lib/opal/builder_processors.rb,
opal/lib/opal/cli_runners/nodejs.rb,
opal/lib/opal/cli_runners/server.rb,
opal/lib/opal/nodes/call_special.rb,
opal/lib/opal/cli_runners/nashorn.rb,
opal/lib/opal/parser/parser_scope.rb,
opal/lib/opal/sprockets/processor.rb,
opal/lib/opal/cli_runners/phantomjs.rb,
opal/lib/opal/nodes/runtime_helpers.rb,
opal/lib/opal/nodes/singleton_class.rb,
opal/lib/opal/sprockets/environment.rb,
opal/lib/opal/sprockets/path_reader.rb,
opal/lib/opal/cli_runners/apple_script.rb,
opal/lib/opal/sprockets/source_map_server.rb,
opal/lib/opal/sprockets/source_map_header_patch.rb

Overview

Opal is a ruby to javascript compiler, with a runtime for running in any JavaScript environment.

Defined Under Namespace

Modules: BuilderProcessors , CliRunners , Config , ERB , Keywords , Nodes , Sprockets , UseGem , Util Classes: Builder , CLI , CLIOptions , Compiler , Environment , Fragment , HikePathFinder , Lexer , Parser , ParserScope , PathReader , Processor , Server , Sexp , SourceMap , SourceMapServer , TiltTemplate

Constant Summary

VERSION =

WHEN RELEASING: Remember to update RUBY_ENGINE_VERSION in opal/corelib/constants.rb too!

'0.9.2'
REGEXP_START = 
RUBY_ENGINE == 'opal' ? '^' : '\A'.freeze
REGEXP_END = 
RUBY_ENGINE == 'opal' ? '$' : '\z'.freeze

Class Method Summary collapse

Methods included from UseGem

use_gem

Class Method Details

.append_path(path) ⇒ Object

Add a file path to opals load path. Any gem containing ruby code that Opal has access to should add a load path through this method. Load paths added here should only be paths which contain code targeted at being compiled by Opal.

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# File 'opal/lib/opal/paths.rb', line 18
def self.append_path(path)
 append_paths(path)
end

.append_paths(*paths) ⇒ Object

Same as #append_path but can take multiple paths.

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# File 'opal/lib/opal/paths.rb', line 23
def self.append_paths(*paths)
 @paths.concat(paths)
 nil
end

.compile(source, options = {}) ⇒ String

Compile a string of ruby code into javascript.

Examples:


Opal .compile "ruby_code"
# => "string of javascript code"

Parameters:

  • source (String) —

    ruby source

  • options (Hash) (defaults to: {}) —

    compiler options

Returns:

  • (String) —

    javascript code

See Also:

  • for compiler options
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# File 'opal/lib/opal/compiler.rb', line 20
def self.compile(source, options = {})
 Compiler .new (source, options).compile 
end

.core_dir ⇒ Object 

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# File 'opal/lib/opal/paths.rb', line 6
def self.core_dir
 File.expand_path('../../../opal', __FILE__.untaint)
end

.gem_dir ⇒ Object 

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# File 'opal/lib/opal/paths.rb', line 2
def self.gem_dir
 File.expand_path('../..', __FILE__.untaint)
end

.paths ⇒ Object 

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# File 'opal/lib/opal/paths.rb', line 61
def self.paths
 @paths.dup.freeze
end

.process(asset) ⇒ Object

Deprecated. 
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# File 'opal/lib/opal/sprockets/environment.rb', line 7
def self.process asset
 Environment .new [asset].to_s
end

.reset_paths! ⇒ Object

Resets Opal.paths to the default value (includes corelib, stdlib, opal/lib)

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# File 'opal/lib/opal/paths.rb', line 66
def self.reset_paths!
 @paths = [core_dir.untaint, std_dir.untaint, gem_dir.untaint]
 nil
end

.std_dir ⇒ Object 

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# File 'opal/lib/opal/paths.rb', line 10
def self.std_dir
 File.expand_path('../../../stdlib', __FILE__.untaint)
end

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