ajv#KeywordCxt TypeScript Examples

The following examples show how to use ajv#KeywordCxt. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: limit.ts    From ajv-formats with MIT License 5 votes vote down vote up 
formatLimitDefinition: CodeKeywordDefinition = {
  keyword: Object.keys(KWDs),
  type: "string",
  schemaType: "string",
  $data: true,
  error,
  code(cxt) {
    const {gen, data, schemaCode, keyword, it} = cxt
    const {opts, self} = it
    if (!opts.validateFormats) return

    const fCxt = new KeywordCxt(it, (self.RULES.all.format as Rule).definition, "format")
    if (fCxt.$data) validate$DataFormat()
    else validateFormat()

    function validate$DataFormat(): void {
      const fmts = gen.scopeValue("formats", {
        ref: self.formats,
        code: opts.code.formats,
      })
      const fmt = gen.const("fmt", _`${fmts}[${fCxt.schemaCode}]`)
      cxt.fail$data(
        or(
          _`typeof ${fmt} != "object"`,
          _`${fmt} instanceof RegExp`,
          _`typeof ${fmt}.compare != "function"`,
          compareCode(fmt)
        )
      )
    }

    function validateFormat(): void {
      const format = fCxt.schema as string
      const fmtDef: AddedFormat | undefined = self.formats[format]
      if (!fmtDef || fmtDef === true) return
      if (
        typeof fmtDef != "object" ||
        fmtDef instanceof RegExp ||
        typeof fmtDef.compare != "function"
      ) {
        throw new Error(`"${keyword}": format "${format}" does not define "compare" function`)
      }
      const fmt = gen.scopeValue("formats", {
        key: format,
        ref: fmtDef,
        code: opts.code.formats ? _`${opts.code.formats}${getProperty(format)}` : undefined,
      })

      cxt.fail$data(compareCode(fmt))
    }

    function compareCode(fmt: Name): Code {
      return _`${fmt}.compare(${data}, ${schemaCode}) ${KWDs[keyword as Kwd].fail} 0`
    }
  },
  dependencies: ["format"],
}