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Viewing / Editing File: limitLength.ts

import type {CodeKeywordDefinition, KeywordErrorDefinition} from "../../types"
import type {KeywordCxt} from "../../compile/validate"
import {_, str, operators} from "../../compile/codegen"
import {useFunc} from "../../compile/util"
import ucs2length from "../../runtime/ucs2length"

const error: KeywordErrorDefinition = {
  message({keyword, schemaCode}) {
    const comp = keyword === "maxLength" ? "more" : "fewer"
    return str`must NOT have ${comp} than ${schemaCode} characters`
  },
  params: ({schemaCode}) => _`{limit: ${schemaCode}}`,
}

const def: CodeKeywordDefinition = {
  keyword: ["maxLength", "minLength"],
  type: "string",
  schemaType: "number",
  $data: true,
  error,
  code(cxt: KeywordCxt) {
    const {keyword, data, schemaCode, it} = cxt
    const op = keyword === "maxLength" ? operators.GT : operators.LT
    const len =
      it.opts.unicode === false ? _`${data}.length` : _`${useFunc(cxt.gen, ucs2length)}(${data})`
    cxt.fail$data(_`${len} ${op} ${schemaCode}`)
  },
}

export default def

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Viewing / Editing File: limitLength.ts

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