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40 lines
1.1 KiB
40 lines
1.1 KiB
2 months ago
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function requireUtil() {
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try {
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// eslint-disable-next-line no-restricted-modules
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return require("util");
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} catch (e) {
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return null;
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}
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}
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// for v10.12.0+
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function lookupCustomInspectSymbol() {
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return Symbol.for("nodejs.util.inspect.custom");
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}
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// for older node environments
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function tryReadingCustomSymbolFromUtilInspect(options) {
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const _requireUtil = options.requireUtil || requireUtil;
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const util = _requireUtil();
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return util ? util.inspect.custom : null;
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}
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exports.getUtilInspect = function getUtilInspect(fallback, options = {}) {
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const _requireUtil = options.requireUtil || requireUtil;
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const util = _requireUtil();
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return function inspect(value, showHidden, depth) {
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return util ? util.inspect(value, showHidden, depth) : fallback(value);
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};
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};
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exports.getCustomInspectSymbol = function getCustomInspectSymbol(options = {}) {
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const _lookupCustomInspectSymbol =
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options.lookupCustomInspectSymbol || lookupCustomInspectSymbol;
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// get custom inspect symbol for node environments
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return (
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_lookupCustomInspectSymbol() ||
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tryReadingCustomSymbolFromUtilInspect(options)
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);
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};
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