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57 lines
2.1 KiB
CoffeeScript
57 lines
2.1 KiB
CoffeeScript
# Users may have this environment variable set. Currently, it causes babel to
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# log to stderr, which causes errors on Windows.
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# See https://github.com/atom/electron/issues/2033
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process.env.DEBUG='*'
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path = require 'path'
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temp = require('temp').track()
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CompileCache = require '../src/compile-cache'
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describe "Babel transpiler support", ->
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originalCacheDir = null
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beforeEach ->
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originalCacheDir = CompileCache.getCacheDirectory()
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CompileCache.setCacheDirectory(temp.mkdirSync('compile-cache'))
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for cacheKey in Object.keys(require.cache)
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if cacheKey.startsWith(path.join(__dirname, 'fixtures', 'babel'))
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delete require.cache[cacheKey]
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afterEach ->
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CompileCache.setCacheDirectory(originalCacheDir)
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temp.cleanupSync()
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describe 'when a .js file starts with /** @babel */;', ->
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it "transpiles it using babel", ->
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transpiled = require('./fixtures/babel/babel-comment.js')
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expect(transpiled(3)).toBe 4
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describe "when a .js file starts with 'use babel';", ->
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it "transpiles it using babel", ->
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transpiled = require('./fixtures/babel/babel-single-quotes.js')
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expect(transpiled(3)).toBe 4
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describe 'when a .js file starts with "use babel";', ->
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it "transpiles it using babel", ->
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transpiled = require('./fixtures/babel/babel-double-quotes.js')
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expect(transpiled(3)).toBe 4
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describe 'when a .js file starts with /* @flow */', ->
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it "transpiles it using babel", ->
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transpiled = require('./fixtures/babel/flow-comment.js')
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expect(transpiled(3)).toBe 4
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describe "when a .js file does not start with 'use babel';", ->
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it "does not transpile it using babel", ->
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spyOn(console, 'error')
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expect(-> require('./fixtures/babel/invalid.js')).toThrow()
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it "does not try to log to stdout or stderr while parsing the file", ->
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spyOn(process.stderr, 'write')
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spyOn(process.stdout, 'write')
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transpiled = require('./fixtures/babel/babel-double-quotes.js')
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expect(process.stdout.write).not.toHaveBeenCalled()
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expect(process.stderr.write).not.toHaveBeenCalled()
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