MediaWiki:Gadget-LocalObjectStorage.js
来自存档计划，Project Archive by Lakejason0
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- Opera：按 Ctrl-F5。
/* [[moe:User:AnnAngela/js/LocalObjectStorage.js]] */
/* eslint-disable */
"use strict";
(function () {
var __spreadArray = function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
};
var builtinTransformations = [
{
type: "undefined",
match: function (t) { return typeof t === "undefined"; },
encode: function () { return "undefined"; },
decode: function () { return undefined; },
},
{
type: "bigint",
match: function (t) { return typeof t === "bigint"; },
encode: function (b) { return "" + b; },
decode: function (b) { return BigInt(b); },
},
{
type: "date",
match: function (t) { return t instanceof Date; },
encode: function (d) { return d.toISOString(); },
decode: function (d) { return new Date(d); },
},
{
type: "set",
match: function (t) { return t instanceof Set; },
encode: function (s) { return JSON.stringify(__spreadArray([], s.values())); },
decode: function (s) { return new Set(JSON.parse(s)); },
},
{
type: "map",
match: function (t) { return t instanceof Map; },
encode: function (m) { return JSON.stringify(__spreadArray([], m.entries())); },
decode: function (m) { return new Map(JSON.parse(m)); },
},
{
type: "regexp",
match: function (t) { return t instanceof RegExp; },
encode: function (r) { return "" + r; },
decode: function (r) { return new RegExp(r.slice(1, r.length - 1)); },
},
];
var LocalObjectStorage = /** @class */ (function () {
function LocalObjectStorage(prefix) {
if (prefix === void 0) { prefix = ""; }
if (prefix === "default") {
throw new Error("LocalObjectStorage can't accept prefix \"" + prefix + "\".");
}
if (prefix.includes("/")) {
throw new Error("LocalObjectStorage can't accept prefix \"" + prefix + "\" including \"/\".");
}
this._keyPrefix = "AnnTool-localObjectStorage/" + ((prefix === null || prefix === void 0 ? void 0 : prefix.length) > 0 ? prefix + "/" : "");
}
LocalObjectStorage.prototype._getAllKeys = function () {
var _this = this;
return Object.keys(localStorage).filter(function (key) { return key.startsWith(_this._keyPrefix); });
};
Object.defineProperty(LocalObjectStorage.prototype, "length", {
get: function () {
return this._getAllKeys().length;
},
enumerable: false,
configurable: true
});
LocalObjectStorage.prototype.getItem = function (key, fallback) {
var value = localStorage.getItem("" + this._keyPrefix + key);
if (value === null) {
return fallback || value;
}
for (var _i = 0, _a = builtinTransformations.concat(LocalObjectStorage.plugins.transformations.list); _i < _a.length; _i++) {
var _b = _a[_i], type = _b.type, decode = _b.decode;
if (type.includes("|")) {
console.error("LocalObjectStorage can't accept type name \"" + type + "\" including \"|\", skip...");
continue;
}
if (type === "JSON") {
console.error("LocalObjectStorage can't accept type name \"" + type + "\", skip...");
continue;
}
if (value.startsWith(type + "|")) {
try {
return decode(value.replace(type + "|", ""));
}
catch (e) {
console.error("LocalObjectStorage can's transform value of key \"" + key + "\" to type \"" + type + "\" and skip...");
}
}
}
try {
return JSON.parse(value.replace("JSON|", ""));
}
catch (e) {
console.error("LocalObjectStorage can's transform value of key \"" + key + "\" to JSON and return raw value...");
return value;
}
};
LocalObjectStorage.prototype.setItem = function (key, value) {
for (var _i = 0, _a = builtinTransformations.concat(LocalObjectStorage.plugins.transformations.list); _i < _a.length; _i++) {
var _b = _a[_i], type = _b.type, match = _b.match, encode = _b.encode;
if (type.includes("|")) {
console.error("LocalObjectStorage can't accept type name \"" + type + "\" including \"|\", skip...");
continue;
}
if (type === "JSON") {
console.error("LocalObjectStorage can't accept type name \"" + type + "\", skip...");
continue;
}
if (match(value)) {
try {
localStorage.setItem("" + this._keyPrefix + key, type + "|" + encode(value));
return;
}
catch (e) {
console.error("LocalObjectStorage can's transform value of key \"" + key + "\" from type \"" + type + "\" and skip...");
}
}
}
try {
localStorage.setItem("" + this._keyPrefix + key, "JSON|" + JSON.stringify(value));
return;
}
catch (e) {
console.error("LocalObjectStorage can's transform value of key \"" + key + "\" from JSON and store raw value...");
localStorage.setItem("" + this._keyPrefix + key, value);
}
};
LocalObjectStorage.prototype.removeItem = function (key) {
localStorage.removeItem("" + this._keyPrefix + key);
};
LocalObjectStorage.prototype.clear = function () {
this._getAllKeys().forEach(function (key) {
localStorage.removeItem(key);
});
this.length = 0;
};
LocalObjectStorage.prototype.key = function (index) {
return this._getAllKeys()[index];
};
return LocalObjectStorage;
}());
var externalTransformations = [];
LocalObjectStorage.plugins = {
transformations: {
get list() {
return externalTransformations;
},
add: function (_a) {
var type = _a.type, match = _a.match, decode = _a.decode, encode = _a.encode;
if (type.includes("|")) {
console.error("LocalObjectStorage can't accept type name \"" + type + "\" including \"|\", skip...");
return false;
}
if (type === "JSON") {
console.error("LocalObjectStorage can't accept type name \"" + type + "\", skip...");
return false;
}
if (builtinTransformations.concat(LocalObjectStorage.plugins.transformations.list).filter(function (_a) {
var eType = _a.type;
return eType === type;
}).length > 0) {
console.error("LocalObjectStorage can't accept duplicated type name \"" + type + "\", skip...");
return false;
}
if (typeof match !== "function" || typeof decode !== "function" || typeof encode !== "function") {
console.error("LocalObjectStorage can't accept broken transformation [ type: \"" + type + "\", match: " + typeof match + ", decode: " + typeof decode + ", encode: " + typeof encode + " ], skip...");
return false;
}
externalTransformations.push({ type: type, match: match, decode: decode, encode: encode });
return true;
},
},
};
window.LocalObjectStorage = LocalObjectStorage;
})();