mirror of https://github.com/jkjoy/sunpeiwen.git
57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
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import type {CodeKeywordDefinition, AnySchema} from "../../types"
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import type KeywordCxt from "../../compile/context"
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import {_} from "../../compile/codegen"
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import {alwaysValidSchema, mergeEvaluated} from "../../compile/util"
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import {checkStrictMode} from "../../compile/validate"
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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 {gen, schema, it} = cxt
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if (Array.isArray(schema)) {
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if (it.opts.unevaluated && schema.length && it.items !== true) {
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it.items = mergeEvaluated.items(gen, schema.length, it.items)
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}
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validateTuple(schema)
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} else {
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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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function validateTuple(schArr: AnySchema[]): void {
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const {parentSchema, data} = cxt
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if (it.opts.strictTuples && !fullTupleSchema(schArr.length, parentSchema)) {
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const msg = `"items" is ${schArr.length}-tuple, but minItems or maxItems/additionalItems are not specified or different`
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checkStrictMode(it, msg, it.opts.strictTuples)
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}
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const valid = gen.name("valid")
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const len = gen.const("len", _`${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: "items",
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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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}
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},
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}
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function fullTupleSchema(len: number, sch: any): boolean {
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return len === sch.minItems && (len === sch.maxItems || sch.additionalItems === false)
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}
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export default def
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