fix: handle static eval for sequence expression (fix TS 4.4+) (#289)

- Fixes #288

src/utils/static-eval.ts

@@ -415,6 +415,13 @@ const visitors: Record<string, (this: State, node: Node, walk: Walk) => Promise<
     }
     return { value: obj };
   },
+  'SequenceExpression': async function SequenceExpression(this: State, node: Node, walk: Walk) {
+    if ('expressions' in node && node.expressions.length === 2 && node.expressions[0].type === 'Literal' && node.expressions[0].value === 0 && node.expressions[1].type === 'MemberExpression') {
+      const arg = await walk(node.expressions[1]);
+      return arg;
+    }
+    return undefined;
+  },
   'TemplateLiteral': async function TemplateLiteral(this: State, node: Node, walk: Walk) {
     let val: StaticValue | ConditionalValue = { value: '' };
     for (var i = 0; i < node.expressions.length; i++) {

test/unit/ts-path-join/file.txt

@@ -0,0 +1 @@
+file content

test/unit/ts-path-join/input.js

@@ -0,0 +1,7 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const path_1 = require("path");
+// See https://devblogs.microsoft.com/typescript/announcing-typescript-4-4/#more-compliant-indirect-calls-for-imported-functions
+// Also https://2ality.com/2015/12/references.html
+const file = (0, path_1.join)(__dirname, 'file.txt');
+console.log(file);

test/unit/ts-path-join/output.js

@@ -0,0 +1,5 @@
+[
+  "package.json",
+  "test/unit/ts-path-join/file.txt",
+  "test/unit/ts-path-join/input.js"
+]