node_modules

node_modules/@babel/preset-env/lib/use-built-ins-entry-plugin.js

@@ -0,0 +1,68 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _default;
+
+var _debug = require("./debug");
+
+var _utils = require("./utils");
+
+function _default({
+  types: t
+}) {
+  function replaceWithPolyfillImports(path, polyfills, regenerator) {
+    if (regenerator) {
+      (0, _utils.createImport)(path, "regenerator-runtime");
+    }
+
+    const items = Array.isArray(polyfills) ? new Set(polyfills) : polyfills;
+
+    for (const p of Array.from(items).reverse()) {
+      (0, _utils.createImport)(path, p);
+    }
+
+    path.remove();
+  }
+
+  const isPolyfillImport = {
+    ImportDeclaration(path, state) {
+      if (path.node.specifiers.length === 0 && (0, _utils.isPolyfillSource)(path.node.source.value)) {
+        this.importPolyfillIncluded = true;
+        replaceWithPolyfillImports(path, state.opts.polyfills, state.opts.regenerator);
+      }
+    },
+
+    Program(path, state) {
+      path.get("body").forEach(bodyPath => {
+        if ((0, _utils.isRequire)(t, bodyPath)) {
+          replaceWithPolyfillImports(bodyPath, state.opts.polyfills, state.opts.regenerator);
+        }
+      });
+    }
+
+  };
+  return {
+    name: "transform-polyfill-require",
+    visitor: isPolyfillImport,
+
+    pre() {
+      this.numPolyfillImports = 0;
+      this.importPolyfillIncluded = false;
+    },
+
+    post() {
+      const {
+        debug,
+        onDebug,
+        polyfills
+      } = this.opts;
+
+      if (debug) {
+        (0, _debug.logEntryPolyfills)(this.importPolyfillIncluded, polyfills, this.file.opts.filename, onDebug);
+      }
+    }
+
+  };
+}