| 27 | |
| 28 | function buildWhere(condition: Condition): Filter<Document> { |
| 29 | function doc(name: string, op: Operator, value: unknown): Filter<Document> { |
| 30 | switch (op) { |
| 31 | case "=": |
| 32 | case "is": |
| 33 | if (value == null) return { [name]: { $exists: false } }; |
| 34 | |
| 35 | return { [name]: value }; |
| 36 | case "!=": |
| 37 | case "is not": |
| 38 | if (value == null) return { [name]: { $exists: true } }; |
| 39 | |
| 40 | return { [name]: { $ne: value } }; |
| 41 | case ">": |
| 42 | return { [name]: { $gt: value } }; |
| 43 | case ">=": |
| 44 | return { [name]: { $gte: value } }; |
| 45 | case "<": |
| 46 | return { [name]: { $lt: value } }; |
| 47 | case "<=": |
| 48 | return { [name]: { $lte: value } }; |
| 49 | case "in": |
| 50 | return { [name]: { $in: value } }; |
| 51 | case "not in": |
| 52 | return { [name]: { $nin: value } }; |
| 53 | case "starts with": |
| 54 | return { [name]: { $regex: `^${value}`, $options: "i" } }; |
| 55 | case "not starts with": |
| 56 | return { [name]: { $not: { $regex: `^${value}`, $options: "i" } } }; |
| 57 | case "contains": |
| 58 | return { [name]: { $regex: value, $options: "i" } }; |
| 59 | case "not contains": |
| 60 | return { [name]: { $not: { $regex: value, $options: "i" } } }; |
| 61 | case "ends with": |
| 62 | return { [name]: { $regex: `${value}$`, $options: "i" } }; |
| 63 | case "not ends with": |
| 64 | return { [name]: { $not: { $regex: `${value}$`, $options: "i" } } }; |
| 65 | default: |
| 66 | throw new Error(`Unsupported operator: ${op}`); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | function expr(exp1: string, op: Operator, exp2: string): Filter<Document> { |
| 71 | switch (op) { |