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23 lines
699 B
CoffeeScript
23 lines
699 B
CoffeeScript
request = require("request").defaults(jar: false)
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fs = require("fs")
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module.exports = UrlFetcher =
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pipeUrlToFile: (url, filePath, _callback = (error) ->) ->
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callbackOnce = (error) ->
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_callback(error)
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_callback = () ->
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urlStream = request.get(url)
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fileStream = fs.createWriteStream(filePath)
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urlStream.on "response", (res) ->
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if res.statusCode >= 200 and res.statusCode < 300
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urlStream.pipe(fileStream)
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else
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callbackOnce(new Error("URL returned non-success status code: #{res.statusCode} #{url}"))
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urlStream.on "error", (error) ->
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callbackOnce(error or new Error("Something went wrong downloading the URL #{url}"))
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urlStream.on "end", () ->
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callbackOnce()
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