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vue-context-data

v0.1.2

Published

Vue context, used for vue generation components to synchronize data data, similar to the context function of react

Downloads

7

Readme

vue-context-data

React context for vue, mainly used for data communication between father component and son component. The main function of this vue plugin is to communicate between parent and child, not just to simulate react mainly to solve the following two problems.

  1. Simple application simplifies the sharing of parent and child component communication and the sharing and change of the same data without introducing vuex (vuex can really manage the data and state of the application well, but in fact the development cost of maintaining the store is relatively high, Simple application or simple module data. The introduction of complex data management in closed applications is not necessarily a good choice.
  2. The decoupling between the component between the business component and the common component under vuex and vuex (sorry, I prefer the method of connect-react-redux for data binding, vuex officially recommended calling mode for business data The components that are processed, but at the same time versatile components are not particularly friendly, and the way to introduce and distribute is easy to couple components with vuex)

Installation

npm install vue-context-data --save

Basic use

Global registration vue-context-data

import VueContextData from 'vue-context-data';

Vue.use(VueContextData);

The parent component declares Context Data via context

export default {
    name: 'u-main',
    context: {
        nodes: Array,
        instance: Object,
    },
    data() {
        return {
            type: 0,
        };
    },
    created() {
        this.instance = {
            name: 'test',
        };
    },
}

The child component declares the accepted context data type through contextTypes, and declares that the context will automatically bind the context in the parent component of the most recent and declared context.

export default {
    contextTypes: {
        nodes: Array,
        instance: Object
    },
}

Set default value

The vue-context-data property setting refers to the props of vue, allowing the user to set the default value. If the parent of the child component does not set the value in the context data, the default value will automatically fill the default declared in the contextTypes. At the same time, if the parent component's context declares value, it will be automatically populated at initialization time. a context declaration in the parent component

export default {
    name: 'u-main',
    context: {
        nodes: Array,
        instance: {
            type: Object,
            value: {
                name: 'test',
            }
        }
    },
    data() {
        return {
            type: 0,
        };
    },
}

a contextTypes declaration in a child component

export default {
    contextTypes: {
        nodes: Array,
        instance: {
            type: Object,
            dafault: {
                name: 'test',
            }
        }
    },
    created() {
        console.log(this.nodes);
    }
}

Custom selection parent node

a context declaration in the parent component

export default {
    name: 'u-main',
    context: {
        nodes: Array,
        instance: {
            type: Object,
            value: {
                name: 'test',
            }
        }
    },
    data() {
        return {
            type: 0,
        };
    },
}

a contextTypes declaration in a child component

export default {
    contextTypes: {
        nodes: Array,
        instance: {
            type: Object,
            dafault: {
                name: 'test',
            },
            parent(dom) {
                return dom.$options.name === 'u-main';
            },
        }
    },
    created() {
        console.log(this.instance);
    }
}

Changelog

See Releases

Suggestions and bugs

See Releases

License

See LICENSE