diff options
Diffstat (limited to 'lib/moduleEnv.js')
-rw-r--r-- | lib/moduleEnv.js | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/lib/moduleEnv.js b/lib/moduleEnv.js index 29c407c..789ea2f 100644 --- a/lib/moduleEnv.js +++ b/lib/moduleEnv.js @@ -3,47 +3,32 @@ var Module = require("module"), fs = require("fs"), babelCore = require("babel-core"), + // Requiring the babel plugin here because otherwise it will be lazy-loaded by Babel during rewire() + transformBlockScoping = require("babel-plugin-transform-es2015-block-scoping"), coffee; - // caching original wrapper var moduleWrapper0 = Module.wrapper[0], moduleWrapper1 = Module.wrapper[1], originalExtensions = {}, + matchCoffeeExt = /\.coffee$/, nodeRequire, currentModule; -function load(targetModule, isTransform) { +function load(targetModule) { nodeRequire = targetModule.require; targetModule.require = requireProxy; currentModule = targetModule; registerExtensions(); - targetModule.load(targetModule.id); // This is only necessary if nothing has been required within the module reset(); } -function compile(targetModule, src, filename) { - nodeRequire = targetModule.require; - targetModule.require = requireProxy; - targetModule.filename = filename; - currentModule = targetModule; - - var convertedSrc = babelCore.transform(stripBOM(src), { - plugins: ["transform-es2015-constants"] - }); - - targetModule._compile(convertedSrc.code, filename); - - reset(); -} - function reset() { Module.wrapper[0] = moduleWrapper0; Module.wrapper[1] = moduleWrapper1; - restoreExtensions(); } function inject(prelude, appendix) { @@ -64,23 +49,48 @@ function requireProxy(path) { } function registerExtensions() { + var originalJsExtension = require.extensions[".js"]; var originalCoffeeExtension = require.extensions[".coffee"]; + if (originalJsExtension) { + originalExtensions.js = originalJsExtension; + } if (originalCoffeeExtension) { originalExtensions.coffee = originalCoffeeExtension; } + require.extensions[".js"] = jsExtension; require.extensions[".coffee"] = coffeeExtension; } function restoreExtensions() { + if ("js" in originalExtensions) { + require.extensions[".js"] = originalExtensions.js; + } if ("coffee" in originalExtensions) { require.extensions[".coffee"] = originalExtensions.coffee; } } +function jsExtension(module, filename) { + var _compile = module._compile; + + module._compile = function (content, filename) { + content = babelCore.transform(content, { + plugins: ["transform-es2015-block-scoping"], + retainLines: true, + filename: filename + }).code; + _compile.call(module, content, filename); + }; + + restoreExtensions(); + originalExtensions.js(module, filename); +} + function coffeeExtension(module, filename) { var content = stripBOM(fs.readFileSync(filename, "utf8")); + restoreExtensions(); content = coffee.compile(content, { filename: filename, bare: true @@ -108,5 +118,4 @@ try { } exports.load = load; -exports.compile = compile; exports.inject = inject; |