@exposure-lib/vue2/dist/index.cjs.js

@exposure-lib/vue2

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var core = require('@exposure-lib/core');

let Vue;
let exposure;
const Logger = console;
const useResetExposure = core.resetExposure;
const bind = (el, binding, vnode) => {
    let { value, arg } = binding;
    let threshold;
    const { context } = vnode;
    if (!context) {
        return;
    }
    if (!exposure) {
        Logger.error('exposure is not initialized, please use Vue.use(Exposure)');
        return;
    }
    threshold = Number(arg);
    if ((arg && typeof arg !== 'number') || !arg) {
        arg && Logger.error('element arguments  must be number type');
        threshold = exposure.threshold;
    }
    if (context.$resetExposure && context.$resetExposure !== useResetExposure) {
        Logger.error('context bind $resetExposure propertyKey');
        return;
    }
    !context.$resetExposure && (context.$resetExposure = useResetExposure);
    exposure.observe(el, value, threshold);
};
const unbind = (el) => {
    if (!exposure) {
        Logger.error('exposure is not initialized, please use Vue.use(Exposure)');
        return;
    }
    exposure.unobserve(el);
};
const installDirective = () => {
    Vue.directive('exposure', {
        bind,
        unbind,
    });
};
const install = (_Vue, options) => {
    if (!Vue) {
        Vue = _Vue;
    }
    let golablThreshold;
    if (options && options.threshold) {
        golablThreshold = options.threshold;
    }
    if (!exposure) {
        exposure = core.createExposure(golablThreshold);
    }
    installDirective();
};
const ExposurePLugin = {
    install,
};

exports["default"] = ExposurePLugin;
exports.useResetExposure = useResetExposure;