44 lines
1016 B
JavaScript
44 lines
1016 B
JavaScript
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var util = require('../core').util;
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/**
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* An object recognizable as a numeric value that stores the underlying number
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* as a string.
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*
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* Intended to be a deserialization target for the DynamoDB Document Client when
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* the `wrapNumbers` flag is set. This allows for numeric values that lose
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* precision when converted to JavaScript's `number` type.
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*/
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var DynamoDBNumberValue = util.inherit({
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constructor: function NumberValue(value) {
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this.wrapperName = 'NumberValue';
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this.value = value.toString();
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},
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/**
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* Render the underlying value as a number when converting to JSON.
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*/
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toJSON: function () {
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return this.toNumber();
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},
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/**
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* Convert the underlying value to a JavaScript number.
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*/
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toNumber: function () {
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return Number(this.value);
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},
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/**
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* Return a string representing the unaltered value provided to the
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* constructor.
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*/
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toString: function () {
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return this.value;
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}
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});
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/**
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* @api private
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*/
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module.exports = DynamoDBNumberValue;
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