scripts/node_modules/ajv/lib/vocabularies/validation/required.ts

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import type {CodeKeywordDefinition, ErrorObject, KeywordErrorDefinition} from "../../types"
import type {KeywordCxt} from "../../compile/validate"
import {
checkReportMissingProp,
checkMissingProp,
reportMissingProp,
propertyInData,
noPropertyInData,
} from "../code"
import {_, str, nil, not, Name, Code} from "../../compile/codegen"
import {checkStrictMode} from "../../compile/util"
export type RequiredError = ErrorObject<
"required",
{missingProperty: string},
string[] | {$data: string}
>
const error: KeywordErrorDefinition = {
message: ({params: {missingProperty}}) => str`must have required property '${missingProperty}'`,
params: ({params: {missingProperty}}) => _`{missingProperty: ${missingProperty}}`,
}
const def: CodeKeywordDefinition = {
keyword: "required",
type: "object",
schemaType: "array",
$data: true,
error,
code(cxt: KeywordCxt) {
const {gen, schema, schemaCode, data, $data, it} = cxt
const {opts} = it
if (!$data && schema.length === 0) return
const useLoop = schema.length >= opts.loopRequired
if (it.allErrors) allErrorsMode()
else exitOnErrorMode()
if (opts.strictRequired) {
const props = cxt.parentSchema.properties
const {definedProperties} = cxt.it
for (const requiredKey of schema) {
if (props?.[requiredKey] === undefined && !definedProperties.has(requiredKey)) {
const schemaPath = it.schemaEnv.baseId + it.errSchemaPath
const msg = `required property "${requiredKey}" is not defined at "${schemaPath}" (strictRequired)`
checkStrictMode(it, msg, it.opts.strictRequired)
}
}
}
function allErrorsMode(): void {
if (useLoop || $data) {
cxt.block$data(nil, loopAllRequired)
} else {
for (const prop of schema) {
checkReportMissingProp(cxt, prop)
}
}
}
function exitOnErrorMode(): void {
const missing = gen.let("missing")
if (useLoop || $data) {
const valid = gen.let("valid", true)
cxt.block$data(valid, () => loopUntilMissing(missing, valid))
cxt.ok(valid)
} else {
gen.if(checkMissingProp(cxt, schema, missing))
reportMissingProp(cxt, missing)
gen.else()
}
}
function loopAllRequired(): void {
gen.forOf("prop", schemaCode as Code, (prop) => {
cxt.setParams({missingProperty: prop})
gen.if(noPropertyInData(gen, data, prop, opts.ownProperties), () => cxt.error())
})
}
function loopUntilMissing(missing: Name, valid: Name): void {
cxt.setParams({missingProperty: missing})
gen.forOf(
missing,
schemaCode as Code,
() => {
gen.assign(valid, propertyInData(gen, data, missing, opts.ownProperties))
gen.if(not(valid), () => {
cxt.error()
gen.break()
})
},
nil
)
}
},
}
export default def