feat(experimental-utils): expose ReferenceTracker.ESM (typescript-eslint#3532)

MageJohn · Yuri Pieters · web-flow · commit 4ac67c4c9401 · 2021-06-16T21:40:50.000-07:00
Co-authored-by: Yuri Pieters &lt;yuri.pieters@anaplan.com&gt;
diff --git a/packages/experimental-utils/src/ast-utils/eslint-utils/ReferenceTracker.ts b/packages/experimental-utils/src/ast-utils/eslint-utils/ReferenceTracker.ts
@@ -7,6 +7,7 @@ const ReferenceTrackerREAD: unique symbol = eslintUtils.ReferenceTracker.READ;
 const ReferenceTrackerCALL: unique symbol = eslintUtils.ReferenceTracker.CALL;
 const ReferenceTrackerCONSTRUCT: unique symbol =
   eslintUtils.ReferenceTracker.CONSTRUCT;
+const ReferenceTrackerESM: unique symbol = eslintUtils.ReferenceTracker.ESM;
 
 interface ReferenceTracker {
   /**
@@ -59,19 +60,22 @@ interface ReferenceTrackerStatic {
   readonly READ: typeof ReferenceTrackerREAD;
   readonly CALL: typeof ReferenceTrackerCALL;
   readonly CONSTRUCT: typeof ReferenceTrackerCONSTRUCT;
+  readonly ESM: typeof ReferenceTrackerESM;
 }
 
 namespace ReferenceTracker {
   export type READ = ReferenceTrackerStatic['READ'];
   export type CALL = ReferenceTrackerStatic['CALL'];
   export type CONSTRUCT = ReferenceTrackerStatic['CONSTRUCT'];
+  export type ESM = ReferenceTrackerStatic['ESM'];
   export type ReferenceType = READ | CALL | CONSTRUCT;
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   export type TraceMap<T = any> = Record<string, TraceMapElement<T>>;
   export interface TraceMapElement<T> {
     [ReferenceTrackerREAD]?: T;
     [ReferenceTrackerCALL]?: T;
     [ReferenceTrackerCONSTRUCT]?: T;
+    [ReferenceTrackerESM]?: true;
     [key: string]: TraceMapElement<T>;
   }
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
diff --git a/packages/experimental-utils/typings/eslint-utils.d.ts b/packages/experimental-utils/typings/eslint-utils.d.ts
@@ -35,6 +35,7 @@ declare module 'eslint-utils' {
     readonly READ: never;
     readonly CALL: never;
     readonly CONSTRUCT: never;
+    readonly ESM: never;
     new (): never;
   };
 }

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,7 @@ declare module 'eslint-utils' {`
`35`	`35`	`readonly READ: never;`
`36`	`36`	`readonly CALL: never;`
`37`	`37`	`readonly CONSTRUCT: never;`
	`38`	`+ readonly ESM: never;`
`38`	`39`	`new (): never;`
`39`	`40`	`};`
`40`	`41`	`}`