121 lines
3.9 KiB
TypeScript
121 lines
3.9 KiB
TypeScript
import type {
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AddedFormat,
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FormatValidator,
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AsyncFormatValidator,
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CodeKeywordDefinition,
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KeywordErrorDefinition,
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ErrorObject,
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} from "../../types"
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import type {KeywordCxt} from "../../compile/validate"
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import {_, str, nil, or, Code, getProperty, regexpCode} from "../../compile/codegen"
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type FormatValidate =
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| FormatValidator<string>
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| FormatValidator<number>
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| AsyncFormatValidator<string>
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| AsyncFormatValidator<number>
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| RegExp
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| string
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| true
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export type FormatError = ErrorObject<"format", {format: string}, string | {$data: string}>
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const error: KeywordErrorDefinition = {
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message: ({schemaCode}) => str`must match format "${schemaCode}"`,
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params: ({schemaCode}) => _`{format: ${schemaCode}}`,
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}
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const def: CodeKeywordDefinition = {
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keyword: "format",
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type: ["number", "string"],
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schemaType: "string",
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$data: true,
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error,
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code(cxt: KeywordCxt, ruleType?: string) {
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const {gen, data, $data, schema, schemaCode, it} = cxt
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const {opts, errSchemaPath, schemaEnv, self} = it
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if (!opts.validateFormats) return
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if ($data) validate$DataFormat()
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else validateFormat()
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function validate$DataFormat(): void {
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const fmts = gen.scopeValue("formats", {
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ref: self.formats,
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code: opts.code.formats,
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})
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const fDef = gen.const("fDef", _`${fmts}[${schemaCode}]`)
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const fType = gen.let("fType")
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const format = gen.let("format")
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// TODO simplify
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gen.if(
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_`typeof ${fDef} == "object" && !(${fDef} instanceof RegExp)`,
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() => gen.assign(fType, _`${fDef}.type || "string"`).assign(format, _`${fDef}.validate`),
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() => gen.assign(fType, _`"string"`).assign(format, fDef)
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)
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cxt.fail$data(or(unknownFmt(), invalidFmt()))
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function unknownFmt(): Code {
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if (opts.strictSchema === false) return nil
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return _`${schemaCode} && !${format}`
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}
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function invalidFmt(): Code {
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const callFormat = schemaEnv.$async
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? _`(${fDef}.async ? await ${format}(${data}) : ${format}(${data}))`
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: _`${format}(${data})`
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const validData = _`(typeof ${format} == "function" ? ${callFormat} : ${format}.test(${data}))`
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return _`${format} && ${format} !== true && ${fType} === ${ruleType} && !${validData}`
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}
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}
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function validateFormat(): void {
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const formatDef: AddedFormat | undefined = self.formats[schema]
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if (!formatDef) {
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unknownFormat()
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return
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}
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if (formatDef === true) return
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const [fmtType, format, fmtRef] = getFormat(formatDef)
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if (fmtType === ruleType) cxt.pass(validCondition())
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function unknownFormat(): void {
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if (opts.strictSchema === false) {
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self.logger.warn(unknownMsg())
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return
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}
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throw new Error(unknownMsg())
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function unknownMsg(): string {
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return `unknown format "${schema as string}" ignored in schema at path "${errSchemaPath}"`
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}
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}
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function getFormat(fmtDef: AddedFormat): [string, FormatValidate, Code] {
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const code =
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fmtDef instanceof RegExp
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? regexpCode(fmtDef)
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: opts.code.formats
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? _`${opts.code.formats}${getProperty(schema)}`
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: undefined
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const fmt = gen.scopeValue("formats", {key: schema, ref: fmtDef, code})
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if (typeof fmtDef == "object" && !(fmtDef instanceof RegExp)) {
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return [fmtDef.type || "string", fmtDef.validate, _`${fmt}.validate`]
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}
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return ["string", fmtDef, fmt]
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}
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function validCondition(): Code {
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if (typeof formatDef == "object" && !(formatDef instanceof RegExp) && formatDef.async) {
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if (!schemaEnv.$async) throw new Error("async format in sync schema")
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return _`await ${fmtRef}(${data})`
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}
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return typeof format == "function" ? _`${fmtRef}(${data})` : _`${fmtRef}.test(${data})`
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}
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}
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},
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}
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export default def
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