109 lines
3.2 KiB
TypeScript
Executable file
109 lines
3.2 KiB
TypeScript
Executable file
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
|