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41 lines
1.5 KiB
41 lines
1.5 KiB
import * as util from "util";
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import { getDeepKeys } from "./to-json";
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// The `inspect()` method is actually a Symbol, not a string key.
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// https://nodejs.org/api/util.html#util_util_inspect_custom
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const inspectMethod = util.inspect.custom || Symbol.for("nodejs.util.inspect.custom");
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/**
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* Ono supports Node's `util.format()` formatting for error messages.
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*
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* @see https://nodejs.org/api/util.html#util_util_format_format_args
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*/
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export const format = util.format;
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/**
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* Adds an `inspect()` method to support Node's `util.inspect()` function.
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*
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* @see https://nodejs.org/api/util.html#util_util_inspect_custom
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*/
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export function addInspectMethod(newError) {
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// @ts-expect-error - TypeScript doesn't support symbol indexers
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newError[inspectMethod] = inspect;
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}
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/**
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* Returns a representation of the error for Node's `util.inspect()` method.
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*
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* @see https://nodejs.org/api/util.html#util_custom_inspection_functions_on_objects
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*/
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function inspect() {
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// HACK: We have to cast the objects to `any` so we can use symbol indexers.
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// see https://github.com/Microsoft/TypeScript/issues/1863
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let pojo = {};
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let error = this;
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for (let key of getDeepKeys(error)) {
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let value = error[key];
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pojo[key] = value;
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}
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// Don't include the `inspect()` method on the output object,
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// otherwise it will cause `util.inspect()` to go into an infinite loop
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// eslint-disable-next-line @typescript-eslint/no-dynamic-delete
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delete pojo[inspectMethod];
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return pojo;
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}
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//# sourceMappingURL=isomorphic.node.js.map
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