56 lines
1.8 KiB
TypeScript
Executable file
56 lines
1.8 KiB
TypeScript
Executable file
import type {
|
|
CodeKeywordDefinition,
|
|
ErrorObject,
|
|
KeywordErrorDefinition,
|
|
AnySchema,
|
|
} from "../../types"
|
|
import type {KeywordCxt} from "../../compile/validate"
|
|
import {_, str, not, Name} from "../../compile/codegen"
|
|
import {alwaysValidSchema, checkStrictMode, Type} from "../../compile/util"
|
|
|
|
export type AdditionalItemsError = ErrorObject<"additionalItems", {limit: number}, AnySchema>
|
|
|
|
const error: KeywordErrorDefinition = {
|
|
message: ({params: {len}}) => str`must NOT have more than ${len} items`,
|
|
params: ({params: {len}}) => _`{limit: ${len}}`,
|
|
}
|
|
|
|
const def: CodeKeywordDefinition = {
|
|
keyword: "additionalItems" as const,
|
|
type: "array",
|
|
schemaType: ["boolean", "object"],
|
|
before: "uniqueItems",
|
|
error,
|
|
code(cxt: KeywordCxt) {
|
|
const {parentSchema, it} = cxt
|
|
const {items} = parentSchema
|
|
if (!Array.isArray(items)) {
|
|
checkStrictMode(it, '"additionalItems" is ignored when "items" is not an array of schemas')
|
|
return
|
|
}
|
|
validateAdditionalItems(cxt, items)
|
|
},
|
|
}
|
|
|
|
export function validateAdditionalItems(cxt: KeywordCxt, items: AnySchema[]): void {
|
|
const {gen, schema, data, keyword, it} = cxt
|
|
it.items = true
|
|
const len = gen.const("len", _`${data}.length`)
|
|
if (schema === false) {
|
|
cxt.setParams({len: items.length})
|
|
cxt.pass(_`${len} <= ${items.length}`)
|
|
} else if (typeof schema == "object" && !alwaysValidSchema(it, schema)) {
|
|
const valid = gen.var("valid", _`${len} <= ${items.length}`) // TODO var
|
|
gen.if(not(valid), () => validateItems(valid))
|
|
cxt.ok(valid)
|
|
}
|
|
|
|
function validateItems(valid: Name): void {
|
|
gen.forRange("i", items.length, len, (i) => {
|
|
cxt.subschema({keyword, dataProp: i, dataPropType: Type.Num}, valid)
|
|
if (!it.allErrors) gen.if(not(valid), () => gen.break())
|
|
})
|
|
}
|
|
}
|
|
|
|
export default def
|