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39 lines
934 B
39 lines
934 B
'use strict'; |
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const isDefiningProjection = require('./isDefiningProjection'); |
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const isPOJO = require('../isPOJO'); |
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/*! |
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* ignore |
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*/ |
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module.exports = function isInclusive(projection) { |
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if (projection == null) { |
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return false; |
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} |
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const props = Object.keys(projection); |
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const numProps = props.length; |
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if (numProps === 0) { |
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return false; |
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} |
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for (let i = 0; i < numProps; ++i) { |
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const prop = props[i]; |
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// Plus paths can't define the projection (see gh-7050) |
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if (prop.startsWith('+')) { |
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continue; |
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} |
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// If field is truthy (1, true, etc.) and not an object, then this |
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// projection must be inclusive. If object, assume its $meta, $slice, etc. |
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if (isDefiningProjection(projection[prop]) && !!projection[prop]) { |
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if (isPOJO(projection[prop])) { |
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return isInclusive(projection[prop]); |
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} else { |
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return !!projection[prop]; |
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} |
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} |
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} |
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return false; |
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};
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