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77 lines
2.3 KiB
77 lines
2.3 KiB
3 years ago
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import type {CodeKeywordDefinition, AnySchemaObject} from "../../types"
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import type {KeywordCxt} from "../../compile/validate"
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import {compileSchema, SchemaEnv} from "../../compile"
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import {_, not, nil, stringify} from "../../compile/codegen"
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import MissingRefError from "../../compile/ref_error"
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import N from "../../compile/names"
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import {getValidate, callRef} from "../core/ref"
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import {checkMetadata} from "./metadata"
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const def: CodeKeywordDefinition = {
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keyword: "ref",
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schemaType: "string",
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code(cxt: KeywordCxt) {
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checkMetadata(cxt)
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const {gen, data, schema: ref, parentSchema, it} = cxt
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const {
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schemaEnv: {root},
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} = it
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const valid = gen.name("valid")
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if (parentSchema.nullable) {
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gen.var(valid, _`${data} === null`)
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gen.if(not(valid), validateJtdRef)
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} else {
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gen.var(valid, false)
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validateJtdRef()
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}
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cxt.ok(valid)
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function validateJtdRef(): void {
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const refSchema = (root.schema as AnySchemaObject).definitions?.[ref]
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if (!refSchema) {
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throw new MissingRefError(it.opts.uriResolver, "", ref, `No definition ${ref}`)
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}
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if (hasRef(refSchema) || !it.opts.inlineRefs) callValidate(refSchema)
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else inlineRefSchema(refSchema)
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}
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function callValidate(schema: AnySchemaObject): void {
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const sch = compileSchema.call(
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it.self,
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new SchemaEnv({schema, root, schemaPath: `/definitions/${ref}`})
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)
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const v = getValidate(cxt, sch)
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const errsCount = gen.const("_errs", N.errors)
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callRef(cxt, v, sch, sch.$async)
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gen.assign(valid, _`${errsCount} === ${N.errors}`)
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}
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function inlineRefSchema(schema: AnySchemaObject): void {
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const schName = gen.scopeValue(
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"schema",
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it.opts.code.source === true ? {ref: schema, code: stringify(schema)} : {ref: schema}
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)
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cxt.subschema(
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{
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schema,
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dataTypes: [],
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schemaPath: nil,
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topSchemaRef: schName,
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errSchemaPath: `/definitions/${ref}`,
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},
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valid
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)
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}
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},
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}
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export function hasRef(schema: AnySchemaObject): boolean {
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for (const key in schema) {
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let sch: AnySchemaObject
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if (key === "ref" || (typeof (sch = schema[key]) == "object" && hasRef(sch))) return true
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}
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return false
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}
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export default def
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