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

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2023-09-25 15:58:56 +08:00
import type {
CodeKeywordDefinition,
ErrorObject,
KeywordErrorDefinition,
AnySchema,
} from "../../types"
import type {SchemaObjCxt} from "../../compile"
import type KeywordCxt from "../../compile/context"
import {_, str, not, Name} from "../../compile/codegen"
import {alwaysValidSchema} from "../../compile/util"
import {checkStrictMode} from "../../compile/validate"
export type IfKeywordError = ErrorObject<"if", {failingKeyword: string}, AnySchema>
const error: KeywordErrorDefinition = {
message: ({params}) => str`should match "${params.ifClause}" schema`,
params: ({params}) => _`{failingKeyword: ${params.ifClause}}`,
}
const def: CodeKeywordDefinition = {
keyword: "if",
schemaType: ["object", "boolean"],
trackErrors: true,
error,
code(cxt: KeywordCxt) {
const {gen, parentSchema, it} = cxt
if (parentSchema.then === undefined && parentSchema.else === undefined) {
checkStrictMode(it, '"if" without "then" and "else" is ignored')
}
const hasThen = hasSchema(it, "then")
const hasElse = hasSchema(it, "else")
if (!hasThen && !hasElse) return
const valid = gen.let("valid", true)
const schValid = gen.name("_valid")
validateIf()
cxt.reset()
if (hasThen && hasElse) {
const ifClause = gen.let("ifClause")
cxt.setParams({ifClause})
gen.if(schValid, validateClause("then", ifClause), validateClause("else", ifClause))
} else if (hasThen) {
gen.if(schValid, validateClause("then"))
} else {
gen.if(not(schValid), validateClause("else"))
}
cxt.pass(valid, () => cxt.error(true))
function validateIf(): void {
const schCxt = cxt.subschema(
{
keyword: "if",
compositeRule: true,
createErrors: false,
allErrors: false,
},
schValid
)
cxt.mergeEvaluated(schCxt)
}
function validateClause(keyword: string, ifClause?: Name): () => void {
return () => {
const schCxt = cxt.subschema({keyword}, schValid)
gen.assign(valid, schValid)
cxt.mergeValidEvaluated(schCxt, valid)
if (ifClause) gen.assign(ifClause, _`${keyword}`)
else cxt.setParams({ifClause: keyword})
}
}
},
}
function hasSchema(it: SchemaObjCxt, keyword: string): boolean {
const schema = it.schema[keyword]
return schema !== undefined && !alwaysValidSchema(it, schema)
}
export default def