48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
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import ApplicationComponent from "../ApplicationComponent";
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import {Express, Router} from "express";
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export default class FormHelperComponent extends ApplicationComponent<void> {
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public async start(app: Express, router: Router): Promise<void> {
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router.use((req, res, next) => {
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if (!req.session) {
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throw new Error('Session is unavailable.');
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}
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res.locals.query = req.query;
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let _validation: any = 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: any = 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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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') {
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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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public async stop(): Promise<void> {
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}
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}
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