function-performer/dist/deduplicate.js

Performer providing API for debounce, throttle, deduplication and limiting functions

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "Deduplicate", {
    enumerable: true,
    get: function() {
        return Deduplicate;
    }
});
const _fastdeepequal = /*#__PURE__*/ _interop_require_default(require("fast-deep-equal"));
function _define_property(obj, key, value) {
    if (key in obj) {
        Object.defineProperty(obj, key, {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
        });
    } else {
        obj[key] = value;
    }
    return obj;
}
function _interop_require_default(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
class Deduplicate {
    execute(config, func, ...args) {
        let calls = this._calls.get(func);
        if (calls === undefined) {
            calls = this._calls.set(func, []).get(func);
        }
        let call = calls?.find((item)=>(0, _fastdeepequal.default)(item.args, args));
        const shouldDeduplicate = call !== undefined;
        if (call === undefined) {
            call = {
                timeout: null,
                args,
                count: 1
            };
            calls?.push(call);
        } else {
            call.count++;
        }
        if (call.timeout !== null && shouldDeduplicate) {
            clearTimeout(call.timeout);
            call.timeout = null;
        }
        return new Promise((resolve)=>{
            call.timeout = setTimeout(()=>{
                this._calls.delete(func);
                resolve(func(call.count, ...args));
            }, config?.interval ?? this._interval);
        });
    }
    constructor(config){
        _define_property(this, "_calls", void 0);
        _define_property(this, "_interval", void 0);
        this._calls = new Map();
        this._interval = config?.interval ?? 0;
    }
}