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35 lines
774 B
35 lines
774 B
5 years ago
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'use strict';
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const isDefiningProjection = require('./isDefiningProjection');
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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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return true;
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}
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}
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return false;
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};
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