Files
babel/src/babel/generation/generators/modules.js

127 lines
2.8 KiB
JavaScript

import each from "lodash/collection/each";
import * as t from "../../types";
export function ImportSpecifier(node, print) {
print(node.imported);
if (node.local && node.local !== node.imported) {
this.push(" as ");
print(node.local);
}
}
export function ImportDefaultSpecifier(node, print) {
print(node.local);
}
export function ExportDefaultSpecifier(node, print) {
print(node.exported);
}
export function ExportSpecifier(node, print) {
print(node.local);
if (node.exported && node.local !== node.exported) {
this.push(" as ");
print(node.exported);
}
}
export function ExportNamespaceSpecifier(node, print) {
this.push("* as ");
print(node.exported);
}
export function ExportAllDeclaration(node, print) {
this.push("export *");
if (node.exported) {
this.push(" as ");
print(node.exported);
}
this.push(" from ");
print(node.source);
this.semicolon();
}
export function ExportNamedDeclaration(node, print) {
this.push("export ");
ExportDeclaration.call(this, node, print);
}
export function ExportDefaultDeclaration(node, print) {
this.push("export default ");
ExportDeclaration.call(this, node, print);
}
function ExportDeclaration(node, print) {
var specifiers = node.specifiers;
if (node.declaration) {
var declar = node.declaration;
print(declar);
if (t.isStatement(declar) || t.isFunction(declar) || t.isClass(declar)) return;
} else {
var first = specifiers[0];
var hasSpecial = false;
if (t.isExportDefaultSpecifier(first) || t.isExportNamespaceSpecifier(first)) {
hasSpecial = true;
print(specifiers.shift());
if (specifiers.length) {
this.push(", ");
}
}
if (specifiers.length || (!specifiers.length && !hasSpecial)) {
this.push("{");
if (specifiers.length) {
this.space();
print.join(specifiers, { separator: ", " });
this.space();
}
this.push("}");
}
if (node.source) {
this.push(" from ");
print(node.source);
}
}
this.ensureSemicolon();
}
export function ImportDeclaration(node, print) {
this.push("import ");
if (node.isType) {
this.push("type ");
}
var specfiers = node.specifiers;
if (specfiers && specfiers.length) {
var first = node.specifiers[0];
if (t.isImportDefaultSpecifier(first) || t.isImportNamespaceSpecifier(first)) {
print(node.specifiers.shift());
if (node.specifiers.length) {
this.push(", ");
}
}
if (node.specifiers.length) {
this.push("{");
this.space()
print.join(node.specifiers, { separator: ", " });
this.space()
this.push("}");
}
this.push(" from ");
}
print(node.source);
this.semicolon();
}
export function ImportNamespaceSpecifier(node, print) {
this.push("* as ");
print(node.local);
}