57 lines
2.4 KiB
CoffeeScript
57 lines
2.4 KiB
CoffeeScript
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Utils = require './Utils'
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Inline = require './Inline'
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# Dumper dumps JavaScript variables to YAML strings.
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#
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class Dumper
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# The amount of spaces to use for indentation of nested nodes.
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@indentation: 4
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# Dumps a JavaScript value to YAML.
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#
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# @param [Object] input The JavaScript value
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# @param [Integer] inline The level where you switch to inline YAML
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# @param [Integer] indent The level of indentation (used internally)
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# @param [Boolean] exceptionOnInvalidType true if an exception must be thrown on invalid types (a JavaScript resource or object), false otherwise
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# @param [Function] objectEncoder A function to serialize custom objects, null otherwise
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#
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# @return [String] The YAML representation of the JavaScript value
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#
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dump: (input, inline = 0, indent = 0, exceptionOnInvalidType = false, objectEncoder = null) ->
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output = ''
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prefix = (if indent then Utils.strRepeat(' ', indent) else '')
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if inline <= 0 or typeof(input) isnt 'object' or input instanceof Date or Utils.isEmpty(input)
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output += prefix + Inline.dump(input, exceptionOnInvalidType, objectEncoder)
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else
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if input instanceof Array
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for value in input
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willBeInlined = (inline - 1 <= 0 or typeof(value) isnt 'object' or Utils.isEmpty(value))
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output +=
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prefix +
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'-' +
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(if willBeInlined then ' ' else "\n") +
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@dump(value, inline - 1, (if willBeInlined then 0 else indent + @indentation), exceptionOnInvalidType, objectEncoder) +
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(if willBeInlined then "\n" else '')
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else
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for key, value of input
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willBeInlined = (inline - 1 <= 0 or typeof(value) isnt 'object' or Utils.isEmpty(value))
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output +=
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prefix +
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Inline.dump(key, exceptionOnInvalidType, objectEncoder) + ':' +
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(if willBeInlined then ' ' else "\n") +
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@dump(value, inline - 1, (if willBeInlined then 0 else indent + @indentation), exceptionOnInvalidType, objectEncoder) +
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(if willBeInlined then "\n" else '')
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return output
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module.exports = Dumper
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