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67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
'use strict';
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const itype = require('itype/legacy');
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const jonny = require('jonny/legacy');
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const exec = require('execon');
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const tryCatch = require('try-catch');
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const setItem = localStorage.setItem.bind(localStorage);
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/** remove element */
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module.exports.remove = (item, callback) => {
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localStorage.removeItem(item);
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exec(callback, null);
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return module.exports;
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};
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module.exports.removeMatch = (string, callback) => {
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const reg = RegExp('^' + string + '.*$');
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const test = (a) => reg.test(a);
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const remove = (a) => localStorage.removeItem(a);
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Object.keys(localStorage)
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.filter(test)
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.forEach(remove);
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exec(callback);
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return module.exports;
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};
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/** если доступен localStorage и
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* в нём есть нужная нам директория -
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* записываем данные в него
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*/
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module.exports.set = (name, data, callback) => {
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let str;
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let error;
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if (itype.object(data))
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str = jonny.stringify(data);
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if (name)
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[error] = tryCatch(setItem, name, str || data);
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exec(callback, error);
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return module.exports;
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},
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/** Если доступен Storage принимаем из него данные*/
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module.exports.get = (name, callback) => {
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const ret = localStorage.getItem(name);
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exec(callback, null, ret);
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return module.exports;
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},
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/** функция чистит весь кэш для всех каталогов*/
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module.exports.clear = (callback) => {
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localStorage.clear();
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exec(callback);
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return module.exports;
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};
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