esc-json-form-core

Framework-agnostic JSON form engine.

Install

npm install esc-json-form-core

Usage

import { createJsonFormStore } from "esc-json-form-core";

const store = createJsonFormStore({ name: "test", age: 2 });

// Getter
const data = store.getValue();

// Setter (full JSON)
store.setValue({ name: "new", age: 3 });

// Setter (field path)
store.setAtPath(["age"], 42);

// Getter (field path)
const age = store.getAtPath(["age"]);

// Typed form tree (with nested sections)
const tree = store.getTree();

// Array helpers
store.addArrayItem(["tags"]);
store.removeArrayItem(["tags"], 0);

// Validation
store.setSchema({
  type: "object",
  properties: {
    name: { type: "string", rules: { required: true, minLength: 2 } },
    age: { type: "number", rules: { min: 1 } },
  },
});

const errors = store.validate();

API

• createJsonFormStore(initialValue, schema?)
• store.getValue()
• store.setValue(nextValue)
• store.getAtPath(path)
• store.setAtPath(path, value)
• store.setTypeAtPath(path, valueType)
• store.addArrayItem(path, item?)
• store.removeArrayItem(path, index)
• store.setSchema(schema?)
• store.validate()
• store.getTree()
• store.subscribe(listener)