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Add Object.seal checks and warning #2

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Add Object.seal checks and warning #2

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7 changes: 7 additions & 0 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@ export const ReactChopper = (target, componentReference) => {
if (typeof value === "object") {
value = proxify(value, [...path, key]);
}
if (!Object.prototype.hasOwnProperty.call(target, key)) {
console.warn("You are trying to set a new property \"" + key + "\" to your proxified object which was not present in the beginning. This will not work in polyfilled browsers as properties need to be sealed.");
}
target[key] = value;
componentReference.setState({ [key]: value });
return true;
Expand All @@ -21,6 +24,10 @@ export const ReactChopper = (target, componentReference) => {
}
}
let p = new Proxy(obj, makeHandler(path));
if (typeof Object.seal === "function") {
Object.seal(obj);
Object.seal(p);
}
preproxy.set(p, obj);
return p;
};
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