katharos

library1.0.1267jsnpmunverified

Katharos is a framework for building enterprise user interfaces, focusing on the model and view layers. Current stable version is 1.0.1267. It supports ES5-compliant browsers (IE11 and below not supported). The framework has an ecosystem of supporting libraries, including katharos-router for web application routing. It aims to scale between an integration and a full framework depending on business needs, differentiating by its focus on enterprise complexity management and modular architecture.

web-framework

npm install katharos

github ↗package ↗

INSTALL

IMPORT

SIG · KATHAROS

katharos

web-frameworkjavascriptv1.0.1267

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Katharos

✓ import { Katharos } from 'katharos'

✗ const katharos = require('katharos')

ESM-only; requires bundler or ES module support.

Model

✓ import { Model } from 'katharos'

✗ import Model from 'katharos'

Named export; not a default export.

View

✓ import { View } from 'katharos'

✗ import { view } from 'katharos'

Case-sensitive named export.

Creates a Katharos app with a Model and View, then renders the view into the DOM.

import { Katharos, Model, View } from 'katharos'; const app = new Katharos(); class UserModel extends Model { get defaults() { return { name: '', email: '' }; } } class UserView extends View { render() { return `<div>${this.model.name} (${this.model.email})</div>`; } } const userModel = new UserModel({ name: 'Jane', email: 'jane@example.com' }); const userView = new UserView({ model: userModel }); app.render(userView, document.getElementById('app'));

Debug

Known issues

deprecatedThe 'createModel' function is deprecated in favor of class-based Model.

fix

Use 'class MyModel extends Model' instead of 'createModel()'.

affects: >=1.0.0

gotchaModel defaults are mutable; changes to defaults object affect all instances.

fix

Return a new object from the defaults getter each time.

affects: >=1.0.0

breakingVersion 1.0 removed support for IE11 and below.

fix

Ensure your target environment is ES5-compliant (not IE11).

affects: >=1.0.0

Errors

Common errors & fixes

Cannot find module 'katharos'

Package not installed or import path incorrect.

fix

Run 'npm install katharos' and ensure you use the correct import statement: 'import { Katharos } from 'katharos'

TypeError: Katharos is not a constructor

Using default import instead of named import.

fix

Use 'import { Katharos } from 'katharos' (curly braces) instead of 'import Katharos from 'katharos'

Cannot read property 'render' of undefined

View instance not properly initialized with a model.

fix

Ensure you pass a model instance: 'new UserView({ model: userModel })'

Upgrade

Version history

1.0.1267latest on npm

Audit

Dependencies

katharos-routeroptionalRouting functionality for web applications

Agent activity

2 hits · last 30 days

node

Resources

githubhttps://github.com/cnsdetroit/katharos ↗

packagehttps://www.npmjs.com/package/katharos ↗