91 lines
2.2 KiB
JavaScript
91 lines
2.2 KiB
JavaScript
const HMR = globalThis.HMR = {
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Time: 0,
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/** @type {Record<string, string>} */
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Temp:{},
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Tick()
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{
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for(const k in HMR.Temp)
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{
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sessionStorage.setItem(k, HMR.Temp[k]);
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}
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HMR.Temp = {};
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HMR.Time = 0;
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},
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/** @type {(key:string, value:string)=>void} */
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Save(key, value)
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{
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this.Temp[key] = value;
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if(!this.Time)
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{
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this.Time = setTimeout(this.Tick, 500);
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}
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console.log("SAVE", key, value);
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},
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/** @type {(key:string)=>string|null} */
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Load(key)
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{
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const value = sessionStorage.getItem(key);
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console.log("LOAD", key, value);
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return value;
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},
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/** @type {string|undefined} */
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_ID: undefined,
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_index: 0,
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/** @type {(id:string|undefined = undefined)=>void} */
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StartID(id)
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{
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this._index = 0;
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this._ID = id;
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},
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NextID()
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{
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return this._ID ? this._ID + "_" + (this._index++) + "_" : "";
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},
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BindVan()
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{
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//bind Van
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const origninalState = globalThis.van.state;
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globalThis.van.state =(value, key="")=>
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{
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const type = typeof value;
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let reader =d=>d;
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let writer =d=>d?.toString() || null;
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switch(type)
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{
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case "boolean" :
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reader =(data)=> data === "true"; break;
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case "number" :
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reader = parseFloat; break;
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case "object" :
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reader = JSON.parse;
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writer = JSON.stringify;
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break;
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}
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const fullKey = "HMR_" + HMR.NextID() + key;
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const stringValue = HMR.Load(fullKey);
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const signal = origninalState((stringValue ? reader(stringValue) : value));
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van.derive(()=>HMR.Save(fullKey, writer(signal.val)));
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return signal;
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};
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},
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BindVanX()
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{
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//bind VanX
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const originalReactive = globalThis.vanX.reactive;
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globalThis.vanX.reactive =(obj, id)=>
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{
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HMR.StartID(id);
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const state = originalReactive(obj);
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HMR.StartID();
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return state;
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}
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}
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}
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