deno.land / x / mongoose@6.7.5 / test / types / expressions.test.ts
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// ArithmeticExpressionOperators
const abs1: Expression = { $abs: '$date' };const abs2: Expression = { $abs: { $add: ['$price', '$fee'] } };
const add1: Expression = { $add: ['$date', 3 * 24 * 60 * 60000] };const add2: Expression = { $add: ['$price', '$fee'] };
const ceil: Expression = { $ceil: '$value' };
const divide: Expression = { $divide: ['$hours', 8] };
const exp: Expression = { $exp: '$rate' };
const floor: Expression = { $floor: '$value' };
const ln: Expression = { $ln: '$sales' };
const log: Expression = { $log: ['$positiveInt', 2] };
const log10: Expression = { $log10: '$H3O' };
const mod: Expression = { $mod: ['$hours', '$tasks'] };
const multiply1: Expression = { $multiply: ['$price', '$quantity'] };const multiply2: Expression = { $multiply: ['$price', '$quantity', '$quantity'] };
const pow: Expression = { $pow: [{ $stdDevPop: '$scores.score' }, 2] };
const round1: Expression = { $round: ['$value'] };const round2: Expression = { $round: ['$value', 1] };const round3: Expression = { $round: ['$value', -1] };
const sqrt: Expression = { $sqrt: { $add: [ { $pow: [{ $subtract: ['$p2.y', '$p1.y'] }, 2] }, { $pow: [{ $subtract: ['$p2.x', '$p1.x'] }, 2] } ] }};
const subtract1: Expression = { $subtract: ['$date', 3 * 24 * 60 * 60000] };const subtract2: Expression = { $subtract: ['$price', '$fee'] };
const trunc1: Expression = { $trunc: ['$value', 1] };const trunc2: Expression = { $trunc: ['$value'] };
// TextExpressionOperators
const meta1: Expression = { $meta: 'textScore' };const meta2: Expression = { $meta: 'indexKey' };
// TrigonometryExpressionOperatorsconst tanh1: Expression = { $tanh: { $degreesToRadians: '$angle' } };
const isoWeekYear: Expression = { $isoWeekYear: { date: new Date('2017-01-02T00:00:00Z'), timezone: '-0500' } };
const millisecond1: Expression = { $millisecond: new Date('2016-01-01') };const millisecond2: Expression = { $millisecond: { date: new Date('Jan 7, 2003') } };const millisecond3: Expression = { $millisecond: { date: new Date('August 14, 2011'), timezone: 'America/Chicago' } };const millisecond4: Expression = { $millisecond: '$date' };
const dateTrunc: Expression = { $dateTrunc: { date: '$orderDate', unit: 'week', binSize: 2, timezone: 'America/Los_Angeles', startOfWeek: 'Monday' }};
const yearMonthDayUTCDateToString: Expression = { $dateToString: { format: '%Y-%m-%d', date: '$date' } };const timewithOffsetNYDateToString: Expression = { $dateToString: { format: '%H:%M:%S:%L%z', date: '$date', timezone: 'America/New_York' } };const timewithOffset430DateToString: Expression = { $dateToString: { format: '%H:%M:%S:%L%z', date: '$date', timezone: '+04:30' } };const minutesOffsetNYDateToString: Expression = { $dateToString: { format: '%Z', date: '$date', timezone: 'America/New_York' } };const minutesOffset430DateToString: Expression = { $dateToString: { format: '%Z', date: '$date', timezone: '+04:30' } };
const topN: Expression.TopN = { $topN: { output: ['$playerId', '$score'], sortBy: { score: 1 }, n: 3 }};
const d: Expression.Avg = { $avg: { $subtract: [{ $ifNull: ['$end', new Date()] }, '$start'] } };
const dateSubtract1: Expression = { $dateSubtract: { startDate: new Date('2021-03-31T12:10:05Z'), unit: 'month', amount: 1 }};
const dateSubtract2: Expression = { $dateSubtract: { startDate: '$logout', unit: 'hour', amount: 3, timezone: 'Europe/Amsterdam' }};
const dateFromParts: Expression = { $dateFromParts: { year: 'asdf', hour: 'asdf' }};
const accumulator: Expression = { $accumulator: { init: function() { // Set the initial state return { count: 0, sum: 0 }; }, accumulate: function(state, numCopies) { // Define how to update the state return { count: state.count + 1, sum: state.sum + numCopies }; }, accumulateArgs: ['$copies'], // Argument required by the accumulate function merge: function(state1, state2) { // When the operator performs a merge, return { // add the fields from the two states count: state1.count + state2.count, sum: state1.sum + state2.sum }; }, finalize: function(state) { // After collecting the results from all documents, return (state.sum / state.count); // calculate the average }, lang: 'js' }};
const toObjectId: Expression = { $toObjectId: '1234567890' };
const type: Expression = { $type: '$a' };
const binarySize: Expression = { $binarySize: '$binary' };
const bsonSize: Expression = { $bsonSize: '$current_task' };
const functionExpr: Expression = { $function: { body: function(name) { return name == 'Detlef'; }, args: ['$name'], lang: 'js' }};
const letExpr: Expression = { $let: { vars: { total: { $add: ['$price', '$tax'] }, discounted: { $cond: { if: '$applyDiscount', then: 0.9, else: 1 } } }, in: { $multiply: ['$$total', '$$discounted'] } }};
const addWithNull: Expression.Add = { $add: [ '$price', { $ifNull: ['$tax', 0] } ]};
const condWithIn: Expression.Cond = { $cond: { if: { $in: [] }, then: '$foo', else: '$bar' }};
const toLong: Expression = { $toLong: '$qty' };
const nullExpr: Expression = { $ne: null};
const nullNETupleExpr: Expression = { $ne: ['$name', null]};
const switchExpr: Expression.Switch = { $switch: { branches: [ { case: { $eq: ['$name', 'Detlef'] }, then: 'Detlef' }, { case: { $eq: ['$name', 'John'] }, then: 'John' } ], default: 'Hello' }};
const filterExprMinimumRequiredFields: Expression.Filter = { $filter: { input: '$items', cond: { $gte: ['$$item.price', 100] } }};
const filterExprAs: Expression.Filter = { $filter: { input: '$items', as: 'items', cond: { $gte: ['$$item.price', 100] } }};
const filterLimit: Expression.Filter = { $filter: { input: '$items', cond: { $gte: ['$$item.price', 100] }, limit: 5 }};
(function gh12058() { const concat: Expression.ConcatArrays = { $concatArrays: [ { $cond: { if: { $eq: ['foo', true] }, then: [1], else: [2] } } ] };})();
(function gh12149() { const count: Expression.Count = { $count: '$value' };})();
(function gh12417() { const query: PipelineStage[] = [ { $group: { group: { $topN: { output: ['$field'], sortBy: { field: -1.0 }, n: 7.0 } } } } ];})();
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