kopia lustrzana https://github.com/c9/core
31 wiersze
674 B
JavaScript
31 wiersze
674 B
JavaScript
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"use strict";
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var _ = require("lodash");
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/**
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* Substract all values of used from quota + extra
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* This is the so-called "uncountedQuota" logic.
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*/
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function available(quota, used, extra) {
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var keys = _.union(_.keys(quota), _.keys(used));
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extra = extra || {};
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return keys.reduce(function(available, key) {
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available[key] = quota[key] || 0;
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extra[key] = extra[key] || 0;
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if (!used[key])
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return available;
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var needed = used[key] - extra[key];
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if (!needed)
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return available;
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available[key] = available[key] - needed;
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return available;
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}, {});
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}
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module.exports = available;
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