ts-edifact/lib/cache.js

Edifact parser library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Cache = void 0;
class Cache {
    constructor(size) {
        this.data = {};
        this.queue = new Array(size);
        this.begin = 0;
        this.end = size;
    }
    insert(key, value) {
        if (!this.contains(key)) {
            if ((this.end + 1 - this.begin) % this.queue.length === 0) {
                delete this.data[this.queue[this.begin]];
                this.begin = (this.begin + 1) % this.queue.length;
            }
            this.end = (this.end + 1) % this.queue.length;
            this.queue[this.end] = key;
        }
        this.data[key] = value;
    }
    contains(key) {
        if (Object.prototype.hasOwnProperty.call(this.data, key)) {
            return true;
        }
        return false;
    }
    get(key) {
        return this.data[key];
    }
    length() {
        return this.queue.length;
    }
}
exports.Cache = Cache;
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