15 lines
343 B
15 lines
343 B
3 years ago
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export default def upload_json_file e
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return new Promise! do |resolve|
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let files = e.target.files
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resolve no if files.length < 1
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let file = files[0]
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let reader = new FileReader()
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reader.onloadend = do
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try
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resolve JSON.parse(reader.result)
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catch
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resolve no
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reader.onerror = do
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resolve no
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reader.readAsText(file)
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