6 examples of 'mongodb aggregate count with condition' in JavaScript

834
count (groupBy) {
835
  return this._aggregate('count', null, groupBy)
836
}

522
async count(field?: string, options?: Object): Promise {
523
    return super.count(field, options);
524
}

749
Model.count = function count(conditions, callback) {
750
  if (typeof conditions === 'function') {
751
    callback = conditions;
752
    conditions = {};
753
  }
754
755
  var query = new Query({}, this, {});
756
  return query.count(conditions, callback);
757
};

103
convertSimpleCondition(condition) {
104
    if (typeof condition.value === 'undefined') {
105
        return {};
106
    }
107
    switch (condition.operator) {
108
        case '=':
109
        case '==':
110
            return lodash_1.set({}, condition.field, condition.value);
111
        case '!=':
112
        case '<>':
113
            return lodash_1.set({}, condition.field, { $ne: condition.value });
114
        case '<':
115
            return lodash_1.set({}, condition.field, { $lt: condition.value });
116
        case '<=':
117
        case '=<':
118
            return lodash_1.set({}, condition.field, { $lte: condition.value });
119
        case '>':
120
            return lodash_1.set({}, condition.field, { $gt: condition.value });
121
        case '>=':
122
        case '=>':
123
            return lodash_1.set({}, condition.field, { $gte: condition.value });
124
        case 'in':
125
            return lodash_1.set({}, condition.field, { $in: condition.value });
126
        case 'not-in':
127
            return lodash_1.set({}, condition.field, { $nin: condition.value });
128
    }
129
}

230
count(table, options, where, callback) {
231
  try {
232
    checkParams({table, options, where, callback})
233
  } catch (err) {
234
    return callback(err)
235
  }
236
  let _options = _.cloneDeep(options)
237
  _options.castIds = false
238
  this._conn.collection(table).count(where, _options, (err, count) => {
239
    return callback(err, count, null)
240
  })
241
}

179
count(conditions: any): Promise {
180
    return this._model.countDocuments(conditions).exec();
181
}