1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
diff --git a/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js b/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
index 48a1409..ef185c9 100644
--- a/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
+++ b/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
@@ -70,14 +70,19 @@ function wrapModule(
importDefaultName,
importAllName,
dependencyMapName,
- globalPrefix
+ globalPrefix,
+ moduleFactoryName
) {
const params = buildParameters(
importDefaultName,
importAllName,
dependencyMapName
);
- const factory = functionFromProgram(fileAst.program, params);
+ const factory = functionFromProgram(
+ fileAst.program,
+ params,
+ moduleFactoryName
+ );
const def = t.callExpression(t.identifier(`${globalPrefix}__d`), [factory]);
const ast = t.file(t.program([t.expressionStatement(def)]));
const requireName = renameRequires(ast);
@@ -107,7 +112,16 @@ function wrapJson(source, globalPrefix) {
"});",
].join("\n");
}
-function functionFromProgram(program, parameters) {
+const JS_INVALID_IDENT_RE = /[^a-zA-Z0-9$_]/g;
+function functionFromProgram(program, parameters, moduleFactoryName) {
+ let identifier;
+ if (typeof moduleFactoryName === "string" && moduleFactoryName !== "") {
+ // Keep the name readable so it shows up in profiler traces.
+ // Add an unlikely suffix to avoid collisions with the module code.
+ identifier = t.identifier(
+ `${moduleFactoryName.replace(JS_INVALID_IDENT_RE, "_")}__module_factory__`
+ );
+ }
return t.functionExpression(
undefined,
parameters.map(makeIdentifier),
|
