| 1 | import type {FuncKeywordDefinition, AnySchemaObject} from "ajv"
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| 2 | import equal = require("fast-deep-equal")
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| 3 |
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| 4 | const SCALAR_TYPES = ["number", "integer", "string", "boolean", "null"]
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| 5 |
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| 6 | export default function getDef(): FuncKeywordDefinition {
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| 7 | return {
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| 8 | keyword: "uniqueItemProperties",
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| 9 | type: "array",
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| 10 | schemaType: "array",
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| 11 | compile(keys: string[], parentSchema: AnySchemaObject) {
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| 12 | const scalar = getScalarKeys(keys, parentSchema)
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| 13 |
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| 14 | return (data) => {
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| 15 | if (data.length <= 1) return true
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| 16 | for (let k = 0; k < keys.length; k++) {
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| 17 | const key = keys[k]
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| 18 | if (scalar[k]) {
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| 19 | const hash: Record<string, any> = {}
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| 20 | for (const x of data) {
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| 21 | if (!x || typeof x != "object") continue
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| 22 | let p = x[key]
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| 23 | if (p && typeof p == "object") continue
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| 24 | if (typeof p == "string") p = '"' + p
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| 25 | if (hash[p]) return false
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| 26 | hash[p] = true
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| 27 | }
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| 28 | } else {
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| 29 | for (let i = data.length; i--; ) {
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| 30 | const x = data[i]
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| 31 | if (!x || typeof x != "object") continue
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| 32 | for (let j = i; j--; ) {
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| 33 | const y = data[j]
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| 34 | if (y && typeof y == "object" && equal(x[key], y[key])) return false
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| 35 | }
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| 36 | }
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| 37 | }
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| 38 | }
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| 39 | return true
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| 40 | }
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| 41 | },
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| 42 | metaSchema: {
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| 43 | type: "array",
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| 44 | items: {type: "string"},
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| 45 | },
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | function getScalarKeys(keys: string[], schema: AnySchemaObject): boolean[] {
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| 50 | return keys.map((key) => {
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| 51 | const t = schema.items?.properties?.[key]?.type
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| 52 | return Array.isArray(t)
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| 53 | ? !t.includes("object") && !t.includes("array")
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| 54 | : SCALAR_TYPES.includes(t)
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| 55 | })
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| 56 | }
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| 57 |
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| 58 | module.exports = getDef
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