move default module formatter visitors into separate files
This commit is contained in:
Sebastian McKenzie
parent
be8ee7d2c5
commit
ed156a8ca5
@ -1,189 +1,10 @@
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import * as metadataVisitor from "./lib/metadata";
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import * as messages from "../../messages";
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import Remaps from "./lib/remaps";
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import extend from "lodash/object/extend";
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import object from "../../helpers/object";
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import * as util from "../../util";
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import * as t from "../../types";
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/**
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* [Please add a description.]
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*/
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var metadataVisitor = {
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/**
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* [Please add a description.]
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*/
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ModuleDeclaration: {
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enter(node, parent, scope, formatter) {
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if (node.source) {
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node.source.value = formatter.file.resolveModuleSource(node.source.value);
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formatter.addScope(this);
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}
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}
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},
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/**
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* [Please add a description.]
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*/
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ImportDeclaration: {
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exit(node, parent, scope, formatter) {
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formatter.hasLocalImports = true;
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var specifiers = [];
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var imported = [];
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formatter.metadata.imports.push({
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source: node.source.value,
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imported,
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specifiers
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});
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for (var specifier of (this.get("specifiers"): Array)) {
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var ids = specifier.getBindingIdentifiers();
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extend(formatter.localImports, ids);
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var local = specifier.node.local.name;
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if (specifier.isImportDefaultSpecifier()) {
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imported.push("default");
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specifiers.push({
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kind: "named",
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imported: "default",
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local
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});
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}
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if (specifier.isImportSpecifier()) {
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var importedName = specifier.node.imported.name;
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imported.push(importedName);
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specifiers.push({
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kind: "named",
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imported: importedName,
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local
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});
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}
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if (specifier.isImportNamespaceSpecifier()) {
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imported.push("*");
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specifiers.push({
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kind: "namespace",
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local
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});
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}
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}
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}
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},
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/**
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* [Please add a description.]
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*/
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ExportDeclaration(node, parent, scope, formatter) {
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formatter.hasLocalExports = true;
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var source = node.source ? node.source.value : null;
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var exports = formatter.metadata.exports;
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// export function foo() {}
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// export var foo = "bar";
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var declar = this.get("declaration");
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if (declar.isStatement()) {
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var bindings = declar.getBindingIdentifiers();
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for (var name in bindings) {
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var binding = bindings[name];
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formatter._addExport(name, binding);
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exports.exported.push(name);
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exports.specifiers.push({
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kind: "local",
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local: name,
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exported: this.isExportDefaultDeclaration() ? "default" : name
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});
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}
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}
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if (this.isExportNamedDeclaration() && node.specifiers) {
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for (var specifier of (node.specifiers: Array)) {
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var exported = specifier.exported.name;
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exports.exported.push(exported);
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// export foo from "bar";
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if (t.isExportDefaultSpecifier(specifier)) {
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exports.specifiers.push({
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kind: "external",
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local: exported,
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exported,
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source
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});
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}
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// export * as foo from "bar";
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if (t.isExportNamespaceSpecifier(specifier)) {
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exports.specifiers.push({
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kind: "external-namespace",
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exported,
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source
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});
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}
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var local = specifier.local;
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if (!local) continue;
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formatter._addExport(local.name, specifier.exported);
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// export { foo } from "bar";
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// export { foo as bar } from "bar";
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if (source) {
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exports.specifiers.push({
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kind: "external",
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local: local.name,
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exported,
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source
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});
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}
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// export { foo };
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// export { foo as bar };
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if (!source) {
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exports.specifiers.push({
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kind: "local",
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local: local.name,
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exported
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});
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}
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}
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}
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// export * from "bar";
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if (this.isExportAllDeclaration()) {
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exports.specifiers.push({
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kind: "external-all",
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source
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});
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}
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if (!t.isExportDefaultDeclaration(node) && !declar.isTypeAlias()) {
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var onlyDefault = node.specifiers && node.specifiers.length === 1 && t.isSpecifierDefault(node.specifiers[0]);
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if (!onlyDefault) {
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formatter.hasNonDefaultExports = true;
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}
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}
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},
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/**
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* [Please add a description.]
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*/
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Scope(node, parent, scope, formatter) {
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if (!formatter.isLoose()) {
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this.skip();
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}
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}
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};
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/**
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* [Please add a description.]
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*/
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174
packages/babel/src/transformation/modules/lib/metadata.js
Normal file
174
packages/babel/src/transformation/modules/lib/metadata.js
Normal file
@ -0,0 +1,174 @@
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import extend from "lodash/object/extend";
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import * as t from "../../../types";
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/**
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* [Please add a description.]
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*/
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export var ModuleDeclaration = {
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enter(node, parent, scope, formatter) {
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if (node.source) {
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node.source.value = formatter.file.resolveModuleSource(node.source.value);
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formatter.addScope(this);
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}
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}
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};
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/**
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* [Please add a description.]
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*/
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export var ImportDeclaration = {
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exit(node, parent, scope, formatter) {
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formatter.hasLocalImports = true;
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var specifiers = [];
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var imported = [];
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formatter.metadata.imports.push({
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source: node.source.value,
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imported,
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specifiers
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});
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for (var specifier of (this.get("specifiers"): Array)) {
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var ids = specifier.getBindingIdentifiers();
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extend(formatter.localImports, ids);
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var local = specifier.node.local.name;
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if (specifier.isImportDefaultSpecifier()) {
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imported.push("default");
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specifiers.push({
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kind: "named",
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imported: "default",
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local
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});
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}
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if (specifier.isImportSpecifier()) {
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var importedName = specifier.node.imported.name;
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imported.push(importedName);
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specifiers.push({
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kind: "named",
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imported: importedName,
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local
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});
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}
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if (specifier.isImportNamespaceSpecifier()) {
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imported.push("*");
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specifiers.push({
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kind: "namespace",
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local
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});
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}
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}
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}
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};
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/**
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* [Please add a description.]
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*/
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export function ExportDeclaration(node, parent, scope, formatter) {
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formatter.hasLocalExports = true;
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var source = node.source ? node.source.value : null;
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var exports = formatter.metadata.exports;
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// export function foo() {}
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// export var foo = "bar";
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var declar = this.get("declaration");
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if (declar.isStatement()) {
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var bindings = declar.getBindingIdentifiers();
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for (var name in bindings) {
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var binding = bindings[name];
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formatter._addExport(name, binding);
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exports.exported.push(name);
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exports.specifiers.push({
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kind: "local",
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local: name,
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exported: this.isExportDefaultDeclaration() ? "default" : name
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});
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}
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}
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if (this.isExportNamedDeclaration() && node.specifiers) {
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for (var specifier of (node.specifiers: Array)) {
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var exported = specifier.exported.name;
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exports.exported.push(exported);
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// export foo from "bar";
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if (t.isExportDefaultSpecifier(specifier)) {
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exports.specifiers.push({
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kind: "external",
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local: exported,
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exported,
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source
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});
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}
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// export * as foo from "bar";
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if (t.isExportNamespaceSpecifier(specifier)) {
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exports.specifiers.push({
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kind: "external-namespace",
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exported,
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source
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});
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}
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var local = specifier.local;
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if (!local) continue;
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formatter._addExport(local.name, specifier.exported);
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// export { foo } from "bar";
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// export { foo as bar } from "bar";
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if (source) {
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exports.specifiers.push({
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kind: "external",
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local: local.name,
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exported,
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source
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});
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}
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// export { foo };
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// export { foo as bar };
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if (!source) {
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exports.specifiers.push({
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kind: "local",
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local: local.name,
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exported
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});
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}
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}
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}
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// export * from "bar";
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if (this.isExportAllDeclaration()) {
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exports.specifiers.push({
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kind: "external-all",
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source
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});
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}
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if (!t.isExportDefaultDeclaration(node) && !declar.isTypeAlias()) {
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var onlyDefault = node.specifiers && node.specifiers.length === 1 && t.isSpecifierDefault(node.specifiers[0]);
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if (!onlyDefault) {
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formatter.hasNonDefaultExports = true;
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}
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}
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}
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/**
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* [Please add a description.]
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*/
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export function Scope(node, parent, scope, formatter) {
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if (!formatter.isLoose()) {
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this.skip();
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}
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}
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