19 lines
412 B
JavaScript
19 lines
412 B
JavaScript
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var moment = require('moment');
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var _ = require('underscore');
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var helper = {};
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helper.substractOneUnit = function (timestamp, aggregation) {
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if (!_.isNumber(timestamp)) {
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return timestamp;
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}
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var result = moment.unix(timestamp).utc();
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aggregation && aggregation === 'week'
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? result.subtract(1, 'day')
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: result.subtract(1, aggregation);
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return result.unix();
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};
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module.exports = helper;
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