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@zakuroishikuro
Created November 20, 2022 01:44
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const defaultDict = <T>(defaultValue: T, object = {}): { [key: string]: T } => {
return new Proxy(object, {
get(obj, prop) {
return prop in obj ? obj[prop] : defaultValue;
},
});
};
const dict = defaultDict(100);
dict.a = 1;
dict.a++;
dict.b /= 10;
console.log(`結果: ${dict.a}, ${dict.b}, ${dict.c}`);
//=> 結果: 2, 10, 100
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