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use const rather than var when emitting external import declaration and the target is es6

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This commit is contained in:
york yao
2016-01-24 17:10:44 +08:00
parent 18094ebb54
commit ac196eb2aa
11 changed files with 48 additions and 31 deletions
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23
src/compiler/emitter.ts
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@@ -6107,7 +6107,14 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
if (namespaceDeclaration && !isDefaultImport(node)) {
// import x = require("foo")
// import * as x from "foo"
if (!isExportedImport) write("var ");
if (!isExportedImport) {
if (languageVersion !== ScriptTarget.ES6) {
write("var ");
}
else {
write("const ");
}
};
emitModuleMemberName(namespaceDeclaration);
write(" = ");
}
@@ -6119,7 +6126,12 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
// import d, { x, y } from "foo"
const isNakedImport = SyntaxKind.ImportDeclaration && !(<ImportDeclaration>node).importClause;
if (!isNakedImport) {
write("var ");
if (languageVersion !== ScriptTarget.ES6) {
write("var ");
}
else {
write("const ");
}
write(getGeneratedNameForNode(<ImportDeclaration>node));
write(" = ");
}
@@ -6146,7 +6158,12 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
}
else if (namespaceDeclaration && isDefaultImport(node)) {
// import d, * as x from "foo"
write("var ");
if (languageVersion !== ScriptTarget.ES6) {
write("var ");
}
else {
write("const ");
}
emitModuleMemberName(namespaceDeclaration);
write(" = ");
write(getGeneratedNameForNode(<ImportDeclaration>node));