@blinkk/selective-edit/dist/selective/rule/require.js

Selective structured text editor.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RequireRule = void 0;
const validationRules_1 = require("../validationRules");
const dataType_1 = require("../../utility/dataType");
class RequireRule extends validationRules_1.Rule {
    constructor(config) {
        super(config);
        this.defaultMessage = 'Value is required. Cannot be empty.';
        this.config = config;
    }
    /**
     * Required rule makes the field required.
     */
    get isRequired() {
        return true;
    }
    validate(value) {
        if (!value) {
            return this.message;
        }
        // Handle required array values.
        if (dataType_1.DataType.isArray(value)) {
            if (value.length < 1) {
                return this.message;
            }
        }
        // Require that it be more than just whitespace.
        try {
            value = value.trim();
            if (!value.length) {
                return this.message;
            }
        }
        catch (e) {
            if (e instanceof TypeError) {
                // Value type doesn't have a trim or length.
            }
            else {
                throw e;
            }
        }
        // Some fields a blank is not an empty value. Allow for setting
        // alternative values that are also considered as being empty.
        for (const alternativeEmpty of this.config.alternativeEmpties || []) {
            if (value === alternativeEmpty) {
                return this.message;
            }
        }
        return null;
    }
}
exports.RequireRule = RequireRule;
//# sourceMappingURL=require.js.map