@httpc/kit/dist/esm/validation/NativeTypeValidator.js

httpc toolbox for building function-based API with minimal code and end-to-end type safety

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
import { singleton } from "tsyringe";
import { alias, KEY, options } from "../di";
const DEFAULT_OPTIONS = {};
let NativeTypeValidator = class NativeTypeValidator {
    constructor(options = DEFAULT_OPTIONS) {
        this.options = options;
    }
    canValidate(object, schema, options) {
        return (schema === String ||
            schema === Number ||
            schema === Boolean ||
            schema === Object ||
            schema === Date ||
            schema === Array);
    }
    validate(object, schema, options) {
        const { disableParsing } = this.options;
        if (schema === String) {
            if (typeof object !== "string") {
                return this.validationFailed(String);
            }
        }
        else if (schema === Number) {
            if (typeof object !== "number") {
                if (!disableParsing && typeof object === "string" && object !== "" && !isNaN(object)) {
                    object = Number(object);
                }
                else {
                    return this.validationFailed(Number);
                }
            }
        }
        else if (schema === Boolean) {
            if (typeof object !== "boolean") {
                let lowercase;
                if (!disableParsing && typeof object === "string" &&
                    (lowercase = object.toLowerCase()) && (lowercase === "true" ||
                    lowercase === "false")) {
                    object = lowercase === "true";
                }
                else {
                    return this.validationFailed(Boolean);
                }
            }
        }
        else if (schema === Date) {
            if (typeof object !== "object" || !(object instanceof Date)) {
                let parsed;
                if (!disableParsing && typeof object === "string" &&
                    (parsed = new Date(object)) &&
                    !isNaN(parsed.getTime()) // is a valid date
                ) {
                    object = parsed;
                }
                else {
                    return this.validationFailed(Date);
                }
            }
        }
        else if (schema === Array) {
            if (!Array.isArray(object)) {
                return this.validationFailed(Array);
            }
        }
        else if (schema === Object) {
            if (typeof object !== "object" || object === null || object instanceof Date || Array.isArray(object)) {
                return this.validationFailed(Object);
            }
        }
        else {
            throw new Error("Invalid schema: " + schema);
        }
        return {
            success: true,
            object
        };
    }
    validationFailed(schema) {
        return {
            success: false,
            errors: ["Not valid " + schema.name]
        };
    }
};
NativeTypeValidator = __decorate([
    singleton(),
    alias(KEY("IValidator")),
    __param(0, options(undefined)),
    __metadata("design:paramtypes", [Object])
], NativeTypeValidator);
export { NativeTypeValidator };