yeet

node_modules/babel-plugin-react-native-web/src/index.js

@@ -0,0 +1,134 @@
+const moduleMap = require('./moduleMap');
+
+const isCommonJS = opts => opts.commonjs === true;
+
+const getDistLocation = (importName, opts) => {
+  const format = isCommonJS(opts) ? 'cjs/' : '';
+  const internalName = importName === 'unstable_createElement' ? 'createElement' : importName;
+  if (internalName === 'index') {
+    return `react-native-web/dist/${format}index`;
+  } else if (internalName && moduleMap[internalName]) {
+    return `react-native-web/dist/${format}exports/${internalName}`;
+  }
+};
+
+const isReactNativeRequire = (t, node) => {
+  const { declarations } = node;
+  if (declarations.length > 1) {
+    return false;
+  }
+  const { id, init } = declarations[0];
+  return (
+    (t.isObjectPattern(id) || t.isIdentifier(id)) &&
+    t.isCallExpression(init) &&
+    t.isIdentifier(init.callee) &&
+    init.callee.name === 'require' &&
+    init.arguments.length === 1 &&
+    (init.arguments[0].value === 'react-native' || init.arguments[0].value === 'react-native-web')
+  );
+};
+
+const isReactNativeModule = ({ source, specifiers }) =>
+  source &&
+  (source.value === 'react-native' || source.value === 'react-native-web') &&
+  specifiers.length;
+
+module.exports = function({ types: t }) {
+  return {
+    name: 'Rewrite react-native to react-native-web',
+    visitor: {
+      ImportDeclaration(path, state) {
+        const { specifiers } = path.node;
+        if (isReactNativeModule(path.node)) {
+          const imports = specifiers
+            .map(specifier => {
+              if (t.isImportSpecifier(specifier)) {
+                const importName = specifier.imported.name;
+                const distLocation = getDistLocation(importName, state.opts);
+
+                if (distLocation) {
+                  return t.importDeclaration(
+                    [t.importDefaultSpecifier(t.identifier(specifier.local.name))],
+                    t.stringLiteral(distLocation)
+                  );
+                }
+              }
+              return t.importDeclaration(
+                [specifier],
+                t.stringLiteral(getDistLocation('index', state.opts))
+              );
+            })
+            .filter(Boolean);
+
+          path.replaceWithMultiple(imports);
+        }
+      },
+      ExportNamedDeclaration(path, state) {
+        const { specifiers } = path.node;
+        if (isReactNativeModule(path.node)) {
+          const exports = specifiers
+            .map(specifier => {
+              if (t.isExportSpecifier(specifier)) {
+                const exportName = specifier.exported.name;
+                const localName = specifier.local.name;
+                const distLocation = getDistLocation(localName, state.opts);
+
+                if (distLocation) {
+                  return t.exportNamedDeclaration(
+                    null,
+                    [t.exportSpecifier(t.identifier('default'), t.identifier(exportName))],
+                    t.stringLiteral(distLocation)
+                  );
+                }
+              }
+              return t.exportNamedDeclaration(
+                null,
+                [specifier],
+                t.stringLiteral(getDistLocation('index', state.opts))
+              );
+            })
+            .filter(Boolean);
+
+          path.replaceWithMultiple(exports);
+        }
+      },
+      VariableDeclaration(path, state) {
+        if (isReactNativeRequire(t, path.node)) {
+          const { id } = path.node.declarations[0];
+          if (t.isObjectPattern(id)) {
+            const imports = id.properties
+              .map(identifier => {
+                const distLocation = getDistLocation(identifier.key.name, state.opts);
+                if (distLocation) {
+                  return t.variableDeclaration(path.node.kind, [
+                    t.variableDeclarator(
+                      t.identifier(identifier.value.name),
+                      t.memberExpression(
+                        t.callExpression(t.identifier('require'), [t.stringLiteral(distLocation)]),
+                        t.identifier('default')
+                      )
+                    )
+                  ]);
+                }
+              })
+              .filter(Boolean);
+
+            path.replaceWithMultiple(imports);
+          } else if (t.isIdentifier(id)) {
+            const name = id.name;
+            const importIndex = t.variableDeclaration(path.node.kind, [
+              t.variableDeclarator(
+                t.identifier(name),
+                t.callExpression(t.identifier('require'), [
+                  t.stringLiteral(getDistLocation('index', state.opts))
+                ])
+              )
+            ]);
+
+            path.replaceWith(importIndex);
+          }
+        }
+      }
+    }
+  };
+};