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27 lines
907 B
27 lines
907 B
exports = module.exports = stringify |
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exports.getSerialize = serializer |
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function stringify(obj, replacer, spaces, cycleReplacer) { |
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return JSON.stringify(obj, serializer(replacer, cycleReplacer), spaces) |
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} |
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function serializer(replacer, cycleReplacer) { |
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var stack = [], keys = [] |
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if (cycleReplacer == null) cycleReplacer = function(key, value) { |
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if (stack[0] === value) return "[Circular ~]" |
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return "[Circular ~." + keys.slice(0, stack.indexOf(value)).join(".") + "]" |
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} |
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return function(key, value) { |
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if (stack.length > 0) { |
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var thisPos = stack.indexOf(this) |
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~thisPos ? stack.splice(thisPos + 1) : stack.push(this) |
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~thisPos ? keys.splice(thisPos, Infinity, key) : keys.push(key) |
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if (~stack.indexOf(value)) value = cycleReplacer.call(this, key, value) |
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} |
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else stack.push(value) |
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return replacer == null ? value : replacer.call(this, key, value) |
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} |
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}
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