@codelet/core/dist/utils/storage.js

mini core

import { isArray, isObject } from '@daysnap/utils';
import { col } from '../codelet';
export class Storage {
    key;
    value = null;
    options = { debug: false, cached: false };
    constructor(key, options) {
        const { initialValue, ...rest } = options || {};
        this.key = key;
        if (options) {
            Object.assign(this.options, rest);
        }
        if (initialValue != undefined) {
            this.setItem(initialValue);
        }
    }
    _debug(...args) {
        if (this.options.debug) {
            console.log(`【Storage】=> `, ...args);
        }
    }
    /**
     * 设置值
     */
    setItem(val) {
        col.setStorageSync(this.key, val);
        if (this.options.cached) {
            this.value = this.getItem();
        }
        return val;
    }
    getItem(defaultVal) {
        const val = col.getStorageSync(this.key) || null;
        if (val === null) {
            return defaultVal ?? null;
        }
        return val;
    }
    /**
     * 删除值
     */
    removeItem() {
        this.value = null;
        col.removeStorageSync(this.key);
    }
    /**
     * 更新值
     */
    updateItem(val) {
        this.value = null;
        const oldVal = this.getItem();
        if (isArray(val) && isArray(oldVal)) {
            val = [...oldVal, ...val];
        }
        else if (isObject(val) && isObject(oldVal)) {
            val = { ...oldVal, ...val };
        }
        return this.setItem(val);
    }
    getItemOnce(defaultVal) {
        const val = this.getItem(defaultVal);
        this.removeItem();
        return val;
    }
    getItemWithCache(defaultVal) {
        if (this.value !== null) {
            this._debug(`${this.key}: 命中缓存！`);
            return this.value;
        }
        this._debug(`${this.key}: 读取存储！`);
        const val = this.getItem();
        if (val === null) {
            return defaultVal ?? null;
        }
        this.value = val;
        return this.value;
    }
    /**
     * 清除缓存
     */
    clearCache() {
        this.value = null;
    }
}