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Copy pathserializeError.js
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82 lines (67 loc) · 1.96 KB
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// Serialize error
// https://github.com/sindresorhus/serialize-error/blob/master/index.js
const commonProperties = [
{ property: "name", enumerable: false },
{ property: "message", enumerable: false },
{ property: "stack", enumerable: false },
{ property: "code", enumerable: true },
];
const destroyCircular = ({ from, seen, to_, forceEnumerable }) => {
const to = to_ || (Array.isArray(from) ? [] : {});
seen.push(from);
for (const [key, value] of Object.entries(from)) {
if (typeof value === "function") {
continue;
}
if (!value || typeof value !== "object") {
to[key] = value;
continue;
}
if (!seen.includes(from[key])) {
to[key] = destroyCircular({
from: from[key],
seen: seen.slice(),
forceEnumerable,
});
continue;
}
to[key] = "[Circular]";
}
for (const { property, enumerable } of commonProperties) {
if (typeof from[property] === "string") {
Object.defineProperty(to, property, {
value: from[property],
enumerable: forceEnumerable ? true : enumerable,
configurable: true,
writable: true,
});
}
}
return to;
};
const serializeError = (value) => {
if (typeof value === "object" && value !== null) {
return destroyCircular({ from: value, seen: [], forceEnumerable: true });
}
// People sometimes throw things besides Error objects…
if (typeof value === "function") {
// `JSON.stringify()` discards functions. We do too, unless a function is thrown directly.
return `[Function: ${value.name || "anonymous"}]`;
}
return value;
};
const deserializeError = (value) => {
if (value instanceof Error) {
return value;
}
if (typeof value === "object" && value !== null && !Array.isArray(value)) {
const newError = new Error();
destroyCircular({ from: value, seen: [], to_: newError });
return newError;
}
return value;
};
module.exports = {
serializeError,
deserializeError,
};