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| Current File : //usr/local/lib/node_modules/serve/node_modules/ajv/lib/vocabularies/applicator/contains.ts |
import type {
CodeKeywordDefinition,
KeywordErrorDefinition,
ErrorObject,
AnySchema,
} from "../../types"
import type {KeywordCxt} from "../../compile/validate"
import {_, str, Name} from "../../compile/codegen"
import {alwaysValidSchema, checkStrictMode, Type} from "../../compile/util"
export type ContainsError = ErrorObject<
"contains",
{minContains: number; maxContains?: number},
AnySchema
>
const error: KeywordErrorDefinition = {
message: ({params: {min, max}}) =>
max === undefined
? str`must contain at least ${min} valid item(s)`
: str`must contain at least ${min} and no more than ${max} valid item(s)`,
params: ({params: {min, max}}) =>
max === undefined ? _`{minContains: ${min}}` : _`{minContains: ${min}, maxContains: ${max}}`,
}
const def: CodeKeywordDefinition = {
keyword: "contains",
type: "array",
schemaType: ["object", "boolean"],
before: "uniqueItems",
trackErrors: true,
error,
code(cxt: KeywordCxt) {
const {gen, schema, parentSchema, data, it} = cxt
let min: number
let max: number | undefined
const {minContains, maxContains} = parentSchema
if (it.opts.next) {
min = minContains === undefined ? 1 : minContains
max = maxContains
} else {
min = 1
}
const len = gen.const("len", _`${data}.length`)
cxt.setParams({min, max})
if (max === undefined && min === 0) {
checkStrictMode(it, `"minContains" == 0 without "maxContains": "contains" keyword ignored`)
return
}
if (max !== undefined && min > max) {
checkStrictMode(it, `"minContains" > "maxContains" is always invalid`)
cxt.fail()
return
}
if (alwaysValidSchema(it, schema)) {
let cond = _`${len} >= ${min}`
if (max !== undefined) cond = _`${cond} && ${len} <= ${max}`
cxt.pass(cond)
return
}
it.items = true
const valid = gen.name("valid")
if (max === undefined && min === 1) {
validateItems(valid, () => gen.if(valid, () => gen.break()))
} else if (min === 0) {
gen.let(valid, true)
if (max !== undefined) gen.if(_`${data}.length > 0`, validateItemsWithCount)
} else {
gen.let(valid, false)
validateItemsWithCount()
}
cxt.result(valid, () => cxt.reset())
function validateItemsWithCount(): void {
const schValid = gen.name("_valid")
const count = gen.let("count", 0)
validateItems(schValid, () => gen.if(schValid, () => checkLimits(count)))
}
function validateItems(_valid: Name, block: () => void): void {
gen.forRange("i", 0, len, (i) => {
cxt.subschema(
{
keyword: "contains",
dataProp: i,
dataPropType: Type.Num,
compositeRule: true,
},
_valid
)
block()
})
}
function checkLimits(count: Name): void {
gen.code(_`${count}++`)
if (max === undefined) {
gen.if(_`${count} >= ${min}`, () => gen.assign(valid, true).break())
} else {
gen.if(_`${count} > ${max}`, () => gen.assign(valid, false).break())
if (min === 1) gen.assign(valid, true)
else gen.if(_`${count} >= ${min}`, () => gen.assign(valid, true))
}
}
},
}
export default def
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