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56 lines
1.8 KiB
CoffeeScript
56 lines
1.8 KiB
CoffeeScript
# Override exported methods for non-Node.js engines.
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CoffeeScript = require './coffee-script'
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CoffeeScript.require = require
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# Use standard JavaScript `eval` to eval code.
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CoffeeScript.eval = (code, options = {}) ->
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options.bare ?= on
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eval CoffeeScript.compile code, options
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# Running code does not provide access to this scope.
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CoffeeScript.run = (code, options = {}) ->
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options.bare = on
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Function(CoffeeScript.compile code, options)()
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# If we're not in a browser environment, we're finished with the public API.
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return unless window?
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# Load a remote script from the current domain via XHR.
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CoffeeScript.load = (url, callback) ->
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xhr = new (window.ActiveXObject or XMLHttpRequest)('Microsoft.XMLHTTP')
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xhr.open 'GET', url, true
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xhr.overrideMimeType 'text/plain' if 'overrideMimeType' of xhr
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xhr.onreadystatechange = ->
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if xhr.readyState is 4
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if xhr.status in [0, 200]
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CoffeeScript.run xhr.responseText
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else
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throw new Error "Could not load #{url}"
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callback() if callback
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xhr.send null
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# Activate CoffeeScript in the browser by having it compile and evaluate
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# all script tags with a content-type of `text/coffeescript`.
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# This happens on page load.
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runScripts = ->
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scripts = document.getElementsByTagName 'script'
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coffees = (s for s in scripts when s.type is 'text/coffeescript')
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index = 0
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length = coffees.length
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do execute = ->
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script = coffees[index++]
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if script?.type is 'text/coffeescript'
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if script.src
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CoffeeScript.load script.src, execute
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else
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CoffeeScript.run script.innerHTML
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execute()
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null
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# Listen for window load, both in browsers and in IE.
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if window.addEventListener
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addEventListener 'DOMContentLoaded', runScripts, no
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else
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attachEvent 'onload', runScripts
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