hexo/node_modules/ajv/lib/vocabularies/applicator/oneOf.ts

82 lines
2.1 KiB
TypeScript

import type {
CodeKeywordDefinition,
ErrorObject,
KeywordErrorDefinition,
AnySchema,
} from "../../types"
import type KeywordCxt from "../../compile/context"
import {_, Name} from "../../compile/codegen"
import {alwaysValidSchema} from "../../compile/util"
import {SchemaCxt} from "../../compile"
export type OneOfError = ErrorObject<
"oneOf",
{passingSchemas: [number, number] | null},
AnySchema[]
>
const error: KeywordErrorDefinition = {
message: "should match exactly one schema in oneOf",
params: ({params}) => _`{passingSchemas: ${params.passing}}`,
}
const def: CodeKeywordDefinition = {
keyword: "oneOf",
schemaType: "array",
trackErrors: true,
error,
code(cxt: KeywordCxt) {
const {gen, schema, it} = cxt
/* istanbul ignore if */
if (!Array.isArray(schema)) throw new Error("ajv implementation error")
const schArr: AnySchema[] = schema
const valid = gen.let("valid", false)
const passing = gen.let("passing", null)
const schValid = gen.name("_valid")
cxt.setParams({passing})
// TODO possibly fail straight away (with warning or exception) if there are two empty always valid schemas
gen.block(validateOneOf)
cxt.result(
valid,
() => cxt.reset(),
() => cxt.error(true)
)
function validateOneOf(): void {
schArr.forEach((sch: AnySchema, i: number) => {
let schCxt: SchemaCxt | undefined
if (alwaysValidSchema(it, sch)) {
gen.var(schValid, true)
} else {
schCxt = cxt.subschema(
{
keyword: "oneOf",
schemaProp: i,
compositeRule: true,
},
schValid
)
}
if (i > 0) {
gen
.if(_`${schValid} && ${valid}`)
.assign(valid, false)
.assign(passing, _`[${passing}, ${i}]`)
.else()
}
gen.if(schValid, () => {
gen.assign(valid, true)
gen.assign(passing, i)
if (schCxt) cxt.mergeEvaluated(schCxt, Name)
})
})
}
},
}
export default def