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60 lines
1.8 KiB
60 lines
1.8 KiB
3 years ago
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import type {CodeKeywordDefinition, AnySchema, AnySchemaObject} from "../../types"
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import type {KeywordCxt} from "../../compile/validate"
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import {_} from "../../compile/codegen"
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import {alwaysValidSchema, mergeEvaluated, checkStrictMode} from "../../compile/util"
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import {validateArray} from "../code"
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const def: CodeKeywordDefinition = {
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keyword: "items",
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type: "array",
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schemaType: ["object", "array", "boolean"],
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before: "uniqueItems",
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code(cxt: KeywordCxt) {
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const {schema, it} = cxt
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if (Array.isArray(schema)) return validateTuple(cxt, "additionalItems", schema)
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it.items = true
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if (alwaysValidSchema(it, schema)) return
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cxt.ok(validateArray(cxt))
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},
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}
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export function validateTuple(
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cxt: KeywordCxt,
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extraItems: string,
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schArr: AnySchema[] = cxt.schema
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): void {
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const {gen, parentSchema, data, keyword, it} = cxt
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checkStrictTuple(parentSchema)
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if (it.opts.unevaluated && schArr.length && it.items !== true) {
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it.items = mergeEvaluated.items(gen, schArr.length, it.items)
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}
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const valid = gen.name("valid")
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const len = gen.const("len", _`${data}.length`)
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schArr.forEach((sch: AnySchema, i: number) => {
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if (alwaysValidSchema(it, sch)) return
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gen.if(_`${len} > ${i}`, () =>
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cxt.subschema(
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{
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keyword,
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schemaProp: i,
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dataProp: i,
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},
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valid
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)
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)
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cxt.ok(valid)
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})
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function checkStrictTuple(sch: AnySchemaObject): void {
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const {opts, errSchemaPath} = it
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const l = schArr.length
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const fullTuple = l === sch.minItems && (l === sch.maxItems || sch[extraItems] === false)
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if (opts.strictTuples && !fullTuple) {
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const msg = `"${keyword}" is ${l}-tuple, but minItems or maxItems/${extraItems} are not specified or different at path "${errSchemaPath}"`
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checkStrictMode(it, msg, opts.strictTuples)
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}
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}
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}
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export default def
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