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744 BJavaScriptView Raw
1"use strict";
2
3exports.__esModule = true;
4exports.default = isModule;
5
6function isModule(path, requireUnambiguous) {
7 if (requireUnambiguous === void 0) {
8 requireUnambiguous = false;
9 }
10
11 var sourceType = path.node.sourceType;
12
13 if (sourceType !== "module" && sourceType !== "script") {
14 throw path.buildCodeFrameError("Unknown sourceType \"" + sourceType + "\", cannot transform.");
15 }
16
17 var filename = path.hub.file.opts.filename;
18
19 if (/\.mjs$/.test(filename)) {
20 requireUnambiguous = false;
21 }
22
23 return path.node.sourceType === "module" && (!requireUnambiguous || isUnambiguousModule(path));
24}
25
26function isUnambiguousModule(path) {
27 return path.get("body").some(function (p) {
28 return p.isModuleDeclaration();
29 });
30}
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