diff --git a/.travis.yml b/.travis.yml index 929d5ed..2b15e35 100644 --- a/.travis.yml +++ b/.travis.yml @@ -4,6 +4,7 @@ node_js: - "0.12" - "4" - "5" + - "6" script: - npm test diff --git a/README.md b/README.md index da42d46..108c7a9 100644 --- a/README.md +++ b/README.md @@ -139,9 +139,6 @@ myModule.__with__({ Limitations ----------- -**Using `const`**
-It's not possible to rewire `const` (see [#79](https://github.com/jhnns/rewire/issues/79)). This can probably be solved with [proxies](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Proxy) someday but requires further research. - **Transpilers**
Some transpilers, like babel, rename variables in order to emulate certain language features. Rewire will not work in these cases (see [#62](https://github.com/jhnns/rewire/issues/62)). A possible solution might be switching to [babel-plugin-rewire](https://github.com/speedskater/babel-plugin-rewire). diff --git a/lib/index.js b/lib/index.js index 11229ff..0edcd2c 100644 --- a/lib/index.js +++ b/lib/index.js @@ -13,4 +13,4 @@ function rewire(filename) { module.exports = rewire; -delete require.cache[__filename]; // deleting self from module cache so the parent module is always up to date \ No newline at end of file +delete require.cache[__filename]; // deleting self from module cache so the parent module is always up to date diff --git a/lib/moduleEnv.js b/lib/moduleEnv.js index 8ad7891..dd003d7 100644 --- a/lib/moduleEnv.js +++ b/lib/moduleEnv.js @@ -2,6 +2,7 @@ var Module = require("module"), fs = require("fs"), + babelCore = require("babel-core"), coffee; // caching original wrapper @@ -17,12 +18,28 @@ function load(targetModule) { 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; @@ -91,4 +108,5 @@ try { } exports.load = load; +exports.compile = compile; exports.inject = inject; diff --git a/lib/rewire.js b/lib/rewire.js index c52bbeb..536929d 100644 --- a/lib/rewire.js +++ b/lib/rewire.js @@ -1,5 +1,6 @@ var Module = require("module"), fs = require("fs"), + path = require("path"), getImportGlobalsSrc = require("./getImportGlobalsSrc.js"), getDefinePropertySrc = require("./getDefinePropertySrc.js"), detectStrictMode = require("./detectStrictMode.js"), @@ -54,7 +55,13 @@ function internalRewire(parentModulePath, targetPath) { } moduleEnv.inject(prelude, appendix); - moduleEnv.load(targetModule); + + if (targetPath.match(/\.coffee$/)) { + moduleEnv.load(targetModule); + } else { + moduleEnv.compile(targetModule, src, targetPath); + } + return targetModule.exports; } diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..18e4793 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,668 @@ +{ + "name": "rewire", + "version": "2.5.2", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "ansi-regex": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz", + "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=" + }, + "ansi-styles": { + "version": "2.2.1", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz", + "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=" + }, + "babel-code-frame": { + "version": "6.26.0", + "resolved": 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b/package.json index 223a59b..3987512 100644 --- a/package.json +++ b/package.json @@ -36,7 +36,11 @@ }, "license": "MIT", "scripts": { - "test": "mocha -R spec --check-leaks", + "test": "mocha -R spec --check-leaks --globals __core-js_shared__", "coverage": "istanbul cover ./node_modules/mocha/bin/_mocha" + }, + "dependencies": { + "babel-core": "~6.26.0", + "babel-plugin-transform-es2015-constants": "~6.1.4" } } diff --git a/testLib/ES2015Module.js b/testLib/ES2015Module.js new file mode 100644 index 0000000..81eba2b --- /dev/null +++ b/testLib/ES2015Module.js @@ -0,0 +1,14 @@ + +const someOtherModule = require("./someOtherModule"); +const language = "nl"; + +module.exports.getLang = () => { + return language; +} + +exports.getOtherModuleName = () => { + return someOtherModule.name; +} + +exports.filename = __filename; +exports.dirname = __dirname; diff --git a/testLib/sharedTestCases.js b/testLib/sharedTestCases.js index 54e4218..ddb8b04 100644 --- a/testLib/sharedTestCases.js +++ b/testLib/sharedTestCases.js @@ -372,4 +372,51 @@ describe("rewire " + (typeof testEnv === "undefined"? "(node)": "(" + testEnv + revert(); }); + it("Should be possible to mock a const variable using __with__ syntax", function() { + var ES2015Module = rewire("./ES2015Module", { + convertConst: true + }); + + ES2015Module.__with__({ + language: "en" + })(function() { + expect(ES2015Module.getLang()).to.equal("en"); + expect(ES2015Module.getOtherModuleName()).to.equal("somOtherModule"); + }); + }); + + it("Should be possible to mock a const required variable using __with__ syntax", function() { + var ES2015Module = rewire("./ES2015Module", { + convertConst: true + }); + + ES2015Module.__with__({ + someOtherModule: { + name: "mocked" + } + })(function() { + expect(ES2015Module.getLang()).to.equal("nl"); + expect(ES2015Module.getOtherModuleName()).to.equal("mocked"); + }); + }); + + it("Should be possible to mock a set a const variable using __set__ syntax", function() { + var ES2015Module = rewire("./ES2015Module", { + convertConst: true + }); + + ES2015Module.__set__("language", "de"); + + expect(ES2015Module.getLang()).to.equal("de"); + + ES2015Module.__set__("language", "nl"); + + expect(ES2015Module.getLang()).to.equal("nl"); + }) + + it("Should have correct __filename and __dirname when mocked using convertConst", function() { + expect(rewire("./ES2015Module", { convertConst: true }).filename).to.equal(require("./ES2015Module").filename); + expect(rewire("./ES2015Module", { convertConst: true }).dirname).to.equal(require("./ES2015Module").dirname); + }); + }); diff --git a/testLib/someOtherModule.js b/testLib/someOtherModule.js index da38f4c..fe6bbd7 100644 --- a/testLib/someOtherModule.js +++ b/testLib/someOtherModule.js @@ -3,4 +3,5 @@ __filename = "/test/testModules/someOtherModule.js"; exports.fs = {}; -exports.filename = __filename; \ No newline at end of file +exports.filename = __filename; +exports.name = "somOtherModule";