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Merge from vscode 79a1f5a5ca0c6c53db617aa1fa5a2396d2caebe2

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ADS Merger
2020-05-31 19:47:51 +00:00
parent 84492049e8
commit 28be33cfea
913 changed files with 28242 additions and 15549 deletions
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30
build/lib/treeshaking.js
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@@ -420,7 +420,7 @@ function markNodes(languageService, options) {
// (they can be the declaration of a module import)
continue;
}
if (options.shakeLevel === 2 /* ClassMembers */ && (ts.isClassDeclaration(declaration) || ts.isInterfaceDeclaration(declaration))) {
if (options.shakeLevel === 2 /* ClassMembers */ && (ts.isClassDeclaration(declaration) || ts.isInterfaceDeclaration(declaration)) && !isLocalCodeExtendingOrInheritingFromDefaultLibSymbol(program, checker, declaration)) {
enqueue_black(declaration.name);
for (let j = 0; j < declaration.members.length; j++) {
const member = declaration.members[j];
@@ -614,6 +614,34 @@ function generateResult(languageService, shakeLevel) {
}
//#endregion
//#region Utils
function isLocalCodeExtendingOrInheritingFromDefaultLibSymbol(program, checker, declaration) {
if (!program.isSourceFileDefaultLibrary(declaration.getSourceFile()) && declaration.heritageClauses) {
for (const heritageClause of declaration.heritageClauses) {
for (const type of heritageClause.types) {
const symbol = findSymbolFromHeritageType(checker, type);
if (symbol) {
const decl = symbol.valueDeclaration || (symbol.declarations && symbol.declarations[0]);
if (decl && program.isSourceFileDefaultLibrary(decl.getSourceFile())) {
return true;
}
}
}
}
}
return false;
}
function findSymbolFromHeritageType(checker, type) {
if (ts.isExpressionWithTypeArguments(type)) {
return findSymbolFromHeritageType(checker, type.expression);
}
if (ts.isIdentifier(type)) {
return getRealNodeSymbol(checker, type)[0];
}
if (ts.isPropertyAccessExpression(type)) {
return findSymbolFromHeritageType(checker, type.name);
}
return null;
}
/**
* Returns the node's symbol and the `import` node (if the symbol resolved from a different module)
*/