45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
diff --git a/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js b/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
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index 48a1409..ef185c9 100644
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--- a/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
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+++ b/node_modules/metro/src/ModuleGraph/worker/JsFileWrapping.js
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@@ -70,14 +70,19 @@ function wrapModule(
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importDefaultName,
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importAllName,
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dependencyMapName,
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- globalPrefix
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+ globalPrefix,
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+ moduleFactoryName
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) {
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const params = buildParameters(
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importDefaultName,
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importAllName,
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dependencyMapName
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);
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- const factory = functionFromProgram(fileAst.program, params);
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+ const factory = functionFromProgram(
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+ fileAst.program,
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+ params,
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+ moduleFactoryName
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+ );
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const def = t.callExpression(t.identifier(`${globalPrefix}__d`), [factory]);
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const ast = t.file(t.program([t.expressionStatement(def)]));
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const requireName = renameRequires(ast);
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@@ -107,7 +112,16 @@ function wrapJson(source, globalPrefix) {
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"});",
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].join("\n");
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}
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-function functionFromProgram(program, parameters) {
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+const JS_INVALID_IDENT_RE = /[^a-zA-Z0-9$_]/g;
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+function functionFromProgram(program, parameters, moduleFactoryName) {
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+ let identifier;
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+ if (typeof moduleFactoryName === "string" && moduleFactoryName !== "") {
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+ // Keep the name readable so it shows up in profiler traces.
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+ // Add an unlikely suffix to avoid collisions with the module code.
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+ identifier = t.identifier(
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+ `${moduleFactoryName.replace(JS_INVALID_IDENT_RE, "_")}__module_factory__`
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+ );
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+ }
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return t.functionExpression(
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undefined,
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parameters.map(makeIdentifier),
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