From aa773172311dcada759dfbaac485f4bc6e00bc21 Mon Sep 17 00:00:00 2001 From: littleblack111 Date: Sat, 14 Oct 2023 15:31:11 +0800 Subject: added babel --- .../plugins/transform-edge-function-name/index.js | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 node_modules/@babel/preset-modules/src/plugins/transform-edge-function-name/index.js (limited to 'node_modules/@babel/preset-modules/src/plugins/transform-edge-function-name') diff --git a/node_modules/@babel/preset-modules/src/plugins/transform-edge-function-name/index.js b/node_modules/@babel/preset-modules/src/plugins/transform-edge-function-name/index.js new file mode 100644 index 00000000..f6873283 --- /dev/null +++ b/node_modules/@babel/preset-modules/src/plugins/transform-edge-function-name/index.js @@ -0,0 +1,31 @@ +/** + * Edge 16 & 17 do not infer function.name from variable assignment. + * All other `function.name` behavior works fine, so we can skip most of @babel/transform-function-name. + * @see https://kangax.github.io/compat-table/es6/#test-function_name_property_variables_(function) + * + * Note: contrary to various Github issues, Edge 16+ *does* correctly infer the name of Arrow Functions. + * The variable declarator name inference issue only affects function expressions, so that's all we fix here. + * + * A Note on Minification: Terser undoes this transform *by default* unless `keep_fnames` is set to true. + * There is by design - if Function.name is critical to your application, you must configure + * your minifier to preserve function names. + */ + +export default ({ types: t }) => ({ + name: "transform-edge-function-name", + visitor: { + FunctionExpression: { + exit(path) { + if (!path.node.id && t.isIdentifier(path.parent.id)) { + const id = t.cloneNode(path.parent.id); + const binding = path.scope.getBinding(id.name); + // if the binding gets reassigned anywhere, rename it + if (binding?.constantViolations.length) { + path.scope.rename(id.name); + } + path.node.id = id; + } + }, + }, + }, +}); -- cgit v1.2.3