Function generateZodSchemasForFunc

src/core/friendly_errors/param_validator.js:143–297

(func)

   * @returns {z.ZodSchema} Zod schema
   */
  const generateZodSchemasForFunc = function (func) {
    const { funcName, funcClass } = extractFuncNameAndClass(func);
    let funcInfo = dataDoc[funcClass][funcName];

    if(!funcInfo) return;

    let overloads = [];
    if (funcInfo.hasOwnProperty('overloads')) {
      overloads = funcInfo.overloads;
    }

    // Returns a schema for a single type, i.e. z.boolean() for `boolean`.
    const generateTypeSchema = baseType => {
      if (!baseType) return z.any();

      let typeSchema;

      // Check for constants. Note that because we're ultimately interested in the value of
      // the constant, mapping constants to their values via `constantsMap` is
      // necessary.
      if (baseType in constantsMap) {
        typeSchema = z.literal(constantsMap[baseType]);
      }
      // Some more constants are attached directly to p5.prototype, e.g. by addons:
      else if (baseType.match(/^[A-Z][A-Z0-9]*$/) && baseType in fn) {
        typeSchema = z.literal(fn[baseType]);
      }
      // Function types
      else if (baseType.startsWith('function')) {
        typeSchema = z.function();
      }
      // All p5 objects start with `p5` in the documentation, i.e. `p5.Camera`.
      else if (/^p5\.[a-zA-Z0-9]+$/.exec(baseType) || baseType === 'p5') {
        const className = baseType.substring(baseType.indexOf('.') + 1);
        typeSchema = z.instanceof(p5Constructors[className]);
      }
      // For primitive types and web API objects.
      else if (schemaMap[baseType]) {
        typeSchema = schemaMap[baseType];
      }
      // Tuple types
      else if (
        baseType.startsWith('[') &&
        baseType.endsWith(']') &&
        validBracketNesting(baseType.slice(1, -1))
      ) {
        typeSchema = z.tuple(
          baseType
            .slice(1, -1)
            .split(/, */g)
            .map(entry => generateTypeSchema(entry))
        );
      }
      // JavaScript classes, e.g. Request
      else if (baseType.match(/^[A-Z]/) && baseType in window) {
        typeSchema = z.instanceof(window[baseType]);
      }
      // Generate a schema for a single parameter that can be of multiple