48 lines
1.5 KiB
TypeScript
48 lines
1.5 KiB
TypeScript
import ApplicationComponent from "../ApplicationComponent";
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import {Router} from "express";
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export default class FormHelperComponent extends ApplicationComponent {
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public async init(router: Router): Promise<void> {
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router.use((req, res, next) => {
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let _validation: unknown | null;
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res.locals.validation = () => {
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if (!_validation) {
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const v = req.flash('validation');
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_validation = v.length > 0 ? v[0] : null;
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}
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return _validation;
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};
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let _previousFormData: unknown | null = null;
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res.locals.previousFormData = () => {
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if (!_previousFormData) {
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const v = req.flash('previousFormData');
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_previousFormData = v.length > 0 ? v [0] : null;
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}
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return _previousFormData;
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};
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let _formPrefix: string | null;
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res.locals.getFormPrefix = () => {
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return _formPrefix;
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};
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res.locals.setFormPrefix = (formPrefix: string) => {
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_formPrefix = formPrefix;
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return '';
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};
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next();
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});
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router.use((req, res, next) => {
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if (['GET', 'POST'].find(m => m === req.method)) {
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if (typeof req.body === 'object' && Object.keys(req.body).length > 0) {
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req.flash('previousFormData', req.body);
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}
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}
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next();
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});
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}
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}
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