Update 3 files

sandpack-client/package.json

@@ -51,8 +51,7 @@
   "dependencies": {
     "@codesandbox/nodebox": "0.1.4",
     "buffer": "^6.0.3",
-    "dequal": "^2.0.2",
-    "outvariant": "1.3.0"
+    "dequal": "^2.0.2"
   },
   "devDependencies": {
     "@types/node": "^9.3.0",

sandpack-client/src/outvariant.ts

@@ -0,0 +1,144 @@
+/* eslint-disable @typescript-eslint/no-explicit-any,@typescript-eslint/ban-ts-comment */
+const POSITIONALS_EXP = /(%?)(%([sdjo]))/g;
+
+function serializePositional(positional: any, flag: string): any {
+  switch (flag) {
+    // Strings.
+    case "s":
+      return positional;
+
+    // Digits.
+    case "d":
+    case "i":
+      return Number(positional);
+
+    // JSON.
+    case "j":
+      return JSON.stringify(positional);
+
+    // Objects.
+    case "o": {
+      // Preserve stings to prevent extra quotes around them.
+      if (typeof positional === "string") {
+        return positional;
+      }
+
+      const json = JSON.stringify(positional);
+
+      // If the positional isn't serializable, return it as-is.
+      if (json === "{}" || json === "[]" || /^\[object .+?\]$/.test(json)) {
+        return positional;
+      }
+
+      return json;
+    }
+  }
+}
+
+function format(message: string, ...positionals: any[]): string {
+  if (positionals.length === 0) {
+    return message;
+  }
+
+  let positionalIndex = 0;
+  let formattedMessage = message.replace(
+    POSITIONALS_EXP,
+    (match, isEscaped, _, flag) => {
+      const positional = positionals[positionalIndex];
+      const value = serializePositional(positional, flag);
+
+      if (!isEscaped) {
+        positionalIndex++;
+        return value;
+      }
+
+      return match;
+    }
+  );
+
+  // Append unresolved positionals to string as-is.
+  if (positionalIndex < positionals.length) {
+    formattedMessage += ` ${positionals.slice(positionalIndex).join(" ")}`;
+  }
+
+  formattedMessage = formattedMessage.replace(/%{2,2}/g, "%");
+
+  return formattedMessage;
+}
+
+const STACK_FRAMES_TO_IGNORE = 2;
+
+/**
+ * Remove the "outvariant" package trace from the given error.
+ * This scopes down the error stack to the relevant parts
+ * when used in other applications.
+ */
+function cleanErrorStack(error: Error): void {
+  if (!error.stack) {
+    return;
+  }
+
+  const nextStack = error.stack.split("\n");
+  nextStack.splice(1, STACK_FRAMES_TO_IGNORE);
+  error.stack = nextStack.join("\n");
+}
+
+export class InvariantError extends Error {
+  name = "Invariant Violation";
+
+  constructor(public readonly message: string, ...positionals: any[]) {
+    super(message);
+    this.message = format(message, ...positionals);
+    cleanErrorStack(this);
+  }
+}
+
+export interface CustomErrorConstructor {
+  new (message: string): Error;
+}
+
+export interface CustomErrorFactory {
+  (message: string): Error;
+}
+
+export type CustomError = CustomErrorConstructor | CustomErrorFactory;
+
+interface Invariant {
+  (
+    predicate: unknown,
+    message: string,
+    ...positionals: any[]
+  ): asserts predicate;
+
+  as(
+    ErrorConstructor: CustomError,
+    predicate: unknown,
+    message: string,
+    ...positionals: unknown[]
+  ): asserts predicate;
+}
+
+export const invariant: Invariant = (
+  predicate,
+  message,
+  ...positionals
+): asserts predicate => {
+  if (!predicate) {
+    // @ts-ignore
+    throw new InvariantError(message, ...positionals);
+  }
+};
+
+invariant.as = (ErrorConstructor, predicate, message, ...positionals) => {
+  if (!predicate) {
+    const isConstructor = ErrorConstructor.prototype.name != null;
+
+    const error: Error = isConstructor
+      ? // @ts-ignore
+        new ErrorConstructor(format(message, positionals))
+      : // @ts-ignore
+        ErrorConstructor(format(message, positionals));
+
+    throw error;
+  }
+};

yarn.lock

@@ -13677,7 +13677,7 @@ osenv@^0.1.4:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
-outvariant@1.3.0, outvariant@^1.3.0:
+outvariant@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/outvariant/-/outvariant-1.3.0.tgz#c39723b1d2cba729c930b74bf962317a81b9b1c9"
   integrity sha512-yeWM9k6UPfG/nzxdaPlJkB2p08hCg4xP6Lx99F+vP8YF7xyZVfTmJjrrNalkmzudD4WFvNLVudQikqUmF8zhVQ==