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node_modules/readable-stream/lib/ours/util/inspect.js

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+'use strict'
+
+/*
+  This file is a reduced and adapted version of the main lib/internal/util/inspect.js file defined at
+
+  https://github.com/nodejs/node/blob/main/lib/internal/util/inspect.js
+
+  Don't try to replace with the original file and keep it up to date with the upstream file.
+*/
+module.exports = {
+  format(format, ...args) {
+    // Simplified version of https://nodejs.org/api/util.html#utilformatformat-args
+    return format.replace(/%([sdifj])/g, function (...[_unused, type]) {
+      const replacement = args.shift()
+      if (type === 'f') {
+        return replacement.toFixed(6)
+      } else if (type === 'j') {
+        return JSON.stringify(replacement)
+      } else if (type === 's' && typeof replacement === 'object') {
+        const ctor = replacement.constructor !== Object ? replacement.constructor.name : ''
+        return `${ctor} {}`.trim()
+      } else {
+        return replacement.toString()
+      }
+    })
+  },
+  inspect(value) {
+    // Vastly simplified version of https://nodejs.org/api/util.html#utilinspectobject-options
+    switch (typeof value) {
+      case 'string':
+        if (value.includes("'")) {
+          if (!value.includes('"')) {
+            return `"${value}"`
+          } else if (!value.includes('`') && !value.includes('${')) {
+            return `\`${value}\``
+          }
+        }
+        return `'${value}'`
+      case 'number':
+        if (isNaN(value)) {
+          return 'NaN'
+        } else if (Object.is(value, -0)) {
+          return String(value)
+        }
+        return value
+      case 'bigint':
+        return `${String(value)}n`
+      case 'boolean':
+      case 'undefined':
+        return String(value)
+      case 'object':
+        return '{}'
+    }
+  }
+}