324 lines
13 KiB
JavaScript
324 lines
13 KiB
JavaScript
import { setResponseValueAndErrors } from "../errorMessages.js";
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let emojiRegex;
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/**
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* Generated from the regular expressions found here as of 2024-05-22:
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* https://github.com/colinhacks/zod/blob/master/src/types.ts.
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*
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* Expressions with /i flag have been changed accordingly.
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*/
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export const zodPatterns = {
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/**
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* `c` was changed to `[cC]` to replicate /i flag
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*/
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cuid: /^[cC][^\s-]{8,}$/,
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cuid2: /^[0-9a-z]+$/,
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ulid: /^[0-9A-HJKMNP-TV-Z]{26}$/,
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/**
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* `a-z` was added to replicate /i flag
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*/
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email: /^(?!\.)(?!.*\.\.)([a-zA-Z0-9_'+\-\.]*)[a-zA-Z0-9_+-]@([a-zA-Z0-9][a-zA-Z0-9\-]*\.)+[a-zA-Z]{2,}$/,
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/**
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* Constructed a valid Unicode RegExp
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*
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* Lazily instantiate since this type of regex isn't supported
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* in all envs (e.g. React Native).
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*
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* See:
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* https://github.com/colinhacks/zod/issues/2433
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* Fix in Zod:
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* https://github.com/colinhacks/zod/commit/9340fd51e48576a75adc919bff65dbc4a5d4c99b
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*/
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emoji: () => {
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if (emojiRegex === undefined) {
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emojiRegex = RegExp("^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$", "u");
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}
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return emojiRegex;
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},
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/**
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* Unused
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*/
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uuid: /^[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}$/,
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/**
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* Unused
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*/
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ipv4: /^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$/,
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/**
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* Unused
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*/
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ipv6: /^(([a-f0-9]{1,4}:){7}|::([a-f0-9]{1,4}:){0,6}|([a-f0-9]{1,4}:){1}:([a-f0-9]{1,4}:){0,5}|([a-f0-9]{1,4}:){2}:([a-f0-9]{1,4}:){0,4}|([a-f0-9]{1,4}:){3}:([a-f0-9]{1,4}:){0,3}|([a-f0-9]{1,4}:){4}:([a-f0-9]{1,4}:){0,2}|([a-f0-9]{1,4}:){5}:([a-f0-9]{1,4}:){0,1})([a-f0-9]{1,4}|(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2})))$/,
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base64: /^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/,
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nanoid: /^[a-zA-Z0-9_-]{21}$/,
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};
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export function parseStringDef(def, refs) {
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const res = {
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type: "string",
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};
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function processPattern(value) {
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return refs.patternStrategy === "escape"
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? escapeNonAlphaNumeric(value)
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: value;
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}
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if (def.checks) {
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for (const check of def.checks) {
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switch (check.kind) {
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case "min":
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setResponseValueAndErrors(res, "minLength", typeof res.minLength === "number"
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? Math.max(res.minLength, check.value)
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: check.value, check.message, refs);
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break;
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case "max":
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setResponseValueAndErrors(res, "maxLength", typeof res.maxLength === "number"
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? Math.min(res.maxLength, check.value)
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: check.value, check.message, refs);
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break;
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case "email":
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switch (refs.emailStrategy) {
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case "format:email":
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addFormat(res, "email", check.message, refs);
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break;
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case "format:idn-email":
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addFormat(res, "idn-email", check.message, refs);
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break;
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case "pattern:zod":
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addPattern(res, zodPatterns.email, check.message, refs);
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break;
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}
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break;
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case "url":
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addFormat(res, "uri", check.message, refs);
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break;
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case "uuid":
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addFormat(res, "uuid", check.message, refs);
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break;
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case "regex":
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addPattern(res, check.regex, check.message, refs);
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break;
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case "cuid":
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addPattern(res, zodPatterns.cuid, check.message, refs);
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break;
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case "cuid2":
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addPattern(res, zodPatterns.cuid2, check.message, refs);
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break;
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case "startsWith":
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addPattern(res, RegExp(`^${processPattern(check.value)}`), check.message, refs);
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break;
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case "endsWith":
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addPattern(res, RegExp(`${processPattern(check.value)}$`), check.message, refs);
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break;
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case "datetime":
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addFormat(res, "date-time", check.message, refs);
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break;
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case "date":
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addFormat(res, "date", check.message, refs);
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break;
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case "time":
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addFormat(res, "time", check.message, refs);
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break;
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case "duration":
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addFormat(res, "duration", check.message, refs);
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break;
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case "length":
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setResponseValueAndErrors(res, "minLength", typeof res.minLength === "number"
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? Math.max(res.minLength, check.value)
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: check.value, check.message, refs);
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setResponseValueAndErrors(res, "maxLength", typeof res.maxLength === "number"
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? Math.min(res.maxLength, check.value)
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: check.value, check.message, refs);
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break;
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case "includes": {
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addPattern(res, RegExp(processPattern(check.value)), check.message, refs);
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break;
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}
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case "ip": {
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if (check.version !== "v6") {
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addFormat(res, "ipv4", check.message, refs);
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}
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if (check.version !== "v4") {
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addFormat(res, "ipv6", check.message, refs);
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}
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break;
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}
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case "emoji":
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addPattern(res, zodPatterns.emoji, check.message, refs);
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break;
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case "ulid": {
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addPattern(res, zodPatterns.ulid, check.message, refs);
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break;
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}
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case "base64": {
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switch (refs.base64Strategy) {
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case "format:binary": {
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addFormat(res, "binary", check.message, refs);
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break;
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}
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case "contentEncoding:base64": {
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setResponseValueAndErrors(res, "contentEncoding", "base64", check.message, refs);
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break;
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}
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case "pattern:zod": {
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addPattern(res, zodPatterns.base64, check.message, refs);
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break;
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}
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}
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break;
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}
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case "nanoid": {
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addPattern(res, zodPatterns.nanoid, check.message, refs);
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}
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case "toLowerCase":
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case "toUpperCase":
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case "trim":
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break;
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default:
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/* c8 ignore next */
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((_) => { })(check);
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}
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}
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}
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return res;
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}
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const escapeNonAlphaNumeric = (value) => Array.from(value)
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.map((c) => (/[a-zA-Z0-9]/.test(c) ? c : `\\${c}`))
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.join("");
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const addFormat = (schema, value, message, refs) => {
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if (schema.format || schema.anyOf?.some((x) => x.format)) {
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if (!schema.anyOf) {
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schema.anyOf = [];
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}
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if (schema.format) {
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schema.anyOf.push({
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format: schema.format,
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...(schema.errorMessage &&
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refs.errorMessages && {
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errorMessage: { format: schema.errorMessage.format },
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}),
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});
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delete schema.format;
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if (schema.errorMessage) {
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delete schema.errorMessage.format;
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if (Object.keys(schema.errorMessage).length === 0) {
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delete schema.errorMessage;
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}
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}
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}
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schema.anyOf.push({
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format: value,
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...(message &&
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refs.errorMessages && { errorMessage: { format: message } }),
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});
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}
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else {
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setResponseValueAndErrors(schema, "format", value, message, refs);
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}
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};
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const addPattern = (schema, regex, message, refs) => {
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if (schema.pattern || schema.allOf?.some((x) => x.pattern)) {
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if (!schema.allOf) {
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schema.allOf = [];
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}
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if (schema.pattern) {
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schema.allOf.push({
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pattern: schema.pattern,
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...(schema.errorMessage &&
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refs.errorMessages && {
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errorMessage: { pattern: schema.errorMessage.pattern },
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}),
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});
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delete schema.pattern;
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if (schema.errorMessage) {
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delete schema.errorMessage.pattern;
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if (Object.keys(schema.errorMessage).length === 0) {
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delete schema.errorMessage;
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}
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}
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}
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schema.allOf.push({
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pattern: processRegExp(regex, refs),
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...(message &&
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refs.errorMessages && { errorMessage: { pattern: message } }),
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});
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}
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else {
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setResponseValueAndErrors(schema, "pattern", processRegExp(regex, refs), message, refs);
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}
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};
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// Mutate z.string.regex() in a best attempt to accommodate for regex flags when applyRegexFlags is true
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const processRegExp = (regexOrFunction, refs) => {
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const regex = typeof regexOrFunction === "function" ? regexOrFunction() : regexOrFunction;
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if (!refs.applyRegexFlags || !regex.flags)
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return regex.source;
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// Currently handled flags
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const flags = {
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i: regex.flags.includes("i"),
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m: regex.flags.includes("m"),
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s: regex.flags.includes("s"), // `.` matches newlines
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};
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// The general principle here is to step through each character, one at a time, applying mutations as flags require. We keep track when the current character is escaped, and when it's inside a group /like [this]/ or (also) a range like /[a-z]/. The following is fairly brittle imperative code; edit at your peril!
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const source = flags.i ? regex.source.toLowerCase() : regex.source;
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let pattern = "";
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let isEscaped = false;
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let inCharGroup = false;
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let inCharRange = false;
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for (let i = 0; i < source.length; i++) {
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if (isEscaped) {
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pattern += source[i];
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isEscaped = false;
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continue;
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}
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if (flags.i) {
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if (inCharGroup) {
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if (source[i].match(/[a-z]/)) {
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if (inCharRange) {
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pattern += source[i];
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pattern += `${source[i - 2]}-${source[i]}`.toUpperCase();
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inCharRange = false;
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}
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else if (source[i + 1] === "-" && source[i + 2]?.match(/[a-z]/)) {
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pattern += source[i];
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inCharRange = true;
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}
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else {
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pattern += `${source[i]}${source[i].toUpperCase()}`;
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}
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continue;
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}
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}
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else if (source[i].match(/[a-z]/)) {
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pattern += `[${source[i]}${source[i].toUpperCase()}]`;
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continue;
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}
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}
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if (flags.m) {
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if (source[i] === "^") {
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pattern += `(^|(?<=[\r\n]))`;
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continue;
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}
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else if (source[i] === "$") {
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pattern += `($|(?=[\r\n]))`;
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continue;
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}
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}
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if (flags.s && source[i] === ".") {
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pattern += inCharGroup ? `${source[i]}\r\n` : `[${source[i]}\r\n]`;
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continue;
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}
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pattern += source[i];
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if (source[i] === "\\") {
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isEscaped = true;
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}
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else if (inCharGroup && source[i] === "]") {
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inCharGroup = false;
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}
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else if (!inCharGroup && source[i] === "[") {
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inCharGroup = true;
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}
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}
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try {
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const regexTest = new RegExp(pattern);
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}
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catch {
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console.warn(`Could not convert regex pattern at ${refs.currentPath.join("/")} to a flag-independent form! Falling back to the flag-ignorant source`);
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return regex.source;
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}
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return pattern;
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};
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