@ngtools/webpack
Version:
Webpack plugin that AoT compiles your Angular components and modules.
158 lines • 18 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.elideImports = void 0;
const ts = __importStar(require("typescript"));
// Remove imports for which all identifiers have been removed.
// Needs type checker, and works even if it's not the first transformer.
// Works by removing imports for symbols whose identifiers have all been removed.
// Doesn't use the `symbol.declarations` because that previous transforms might have removed nodes
// but the type checker doesn't know.
// See https://github.com/Microsoft/TypeScript/issues/17552 for more information.
function elideImports(sourceFile, removedNodes, getTypeChecker, compilerOptions) {
const importNodeRemovals = new Set();
if (removedNodes.length === 0) {
return importNodeRemovals;
}
const typeChecker = getTypeChecker();
// Collect all imports and used identifiers
const usedSymbols = new Set();
const imports = [];
ts.forEachChild(sourceFile, function visit(node) {
var _a;
// Skip removed nodes.
if (removedNodes.includes(node)) {
return;
}
// Consider types for 'implements' as unused.
// A HeritageClause token can also be an 'AbstractKeyword'
// which in that case we should not elide the import.
if (ts.isHeritageClause(node) && node.token === ts.SyntaxKind.ImplementsKeyword) {
return;
}
// Record import and skip
if (ts.isImportDeclaration(node)) {
if (!((_a = node.importClause) === null || _a === void 0 ? void 0 : _a.isTypeOnly)) {
imports.push(node);
}
return;
}
// Type reference imports do not need to be emitted when emitDecoratorMetadata is disabled.
if (ts.isTypeReferenceNode(node) && !compilerOptions.emitDecoratorMetadata) {
return;
}
let symbol;
switch (node.kind) {
case ts.SyntaxKind.Identifier:
const parent = node.parent;
if (parent && ts.isShorthandPropertyAssignment(parent)) {
const shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(parent);
if (shorthandSymbol) {
symbol = shorthandSymbol;
}
}
else {
symbol = typeChecker.getSymbolAtLocation(node);
}
break;
case ts.SyntaxKind.ExportSpecifier:
symbol = typeChecker.getExportSpecifierLocalTargetSymbol(node);
break;
case ts.SyntaxKind.ShorthandPropertyAssignment:
symbol = typeChecker.getShorthandAssignmentValueSymbol(node);
break;
}
if (symbol) {
usedSymbols.add(symbol);
}
ts.forEachChild(node, visit);
});
if (imports.length === 0) {
return importNodeRemovals;
}
const isUnused = (node) => {
// Do not remove JSX factory imports
if (node.text === compilerOptions.jsxFactory) {
return false;
}
const symbol = typeChecker.getSymbolAtLocation(node);
return symbol && !usedSymbols.has(symbol);
};
for (const node of imports) {
if (!node.importClause) {
// "import 'abc';"
continue;
}
const namedBindings = node.importClause.namedBindings;
if (namedBindings && ts.isNamespaceImport(namedBindings)) {
// "import * as XYZ from 'abc';"
if (isUnused(namedBindings.name)) {
importNodeRemovals.add(node);
}
}
else {
const specifierNodeRemovals = [];
let clausesCount = 0;
// "import { XYZ, ... } from 'abc';"
if (namedBindings && ts.isNamedImports(namedBindings)) {
let removedClausesCount = 0;
clausesCount += namedBindings.elements.length;
for (const specifier of namedBindings.elements) {
if (specifier.isTypeOnly || isUnused(specifier.name)) {
removedClausesCount++;
// in case we don't have any more namedImports we should remove the parent ie the {}
const nodeToRemove = clausesCount === removedClausesCount ? specifier.parent : specifier;
specifierNodeRemovals.push(nodeToRemove);
}
}
}
// "import XYZ from 'abc';"
if (node.importClause.name) {
clausesCount++;
if (node.importClause.isTypeOnly || isUnused(node.importClause.name)) {
specifierNodeRemovals.push(node.importClause.name);
}
}
if (specifierNodeRemovals.length === clausesCount) {
importNodeRemovals.add(node);
}
else {
for (const specifierNodeRemoval of specifierNodeRemovals) {
importNodeRemovals.add(specifierNodeRemoval);
}
}
}
}
return importNodeRemovals;
}
exports.elideImports = elideImports;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"elide_imports.js","sourceRoot":"","sources":["../../../../../../../../packages/ngtools/webpack/src/transformers/elide_imports.ts"],"names":[],"mappings":";AAAA;;;;;;GAMG;;;;;;;;;;;;;;;;;;;;;;;;;;AAEH,+CAAiC;AAEjC,8DAA8D;AAC9D,wEAAwE;AACxE,iFAAiF;AACjF,kGAAkG;AAClG,qCAAqC;AACrC,iFAAiF;AACjF,SAAgB,YAAY,CAC1B,UAAyB,EACzB,YAAuB,EACvB,cAAoC,EACpC,eAAmC;IAEnC,MAAM,kBAAkB,GAAG,IAAI,GAAG,EAAW,CAAC;IAE9C,IAAI,YAAY,CAAC,MAAM,KAAK,CAAC,EAAE;QAC7B,OAAO,kBAAkB,CAAC;KAC3B;IAED,MAAM,WAAW,GAAG,cAAc,EAAE,CAAC;IAErC,2CAA2C;IAC3C,MAAM,WAAW,GAAG,IAAI,GAAG,EAAa,CAAC;IACzC,MAAM,OAAO,GAA2B,EAAE,CAAC;IAE3C,EAAE,CAAC,YAAY,CAAC,UAAU,EAAE,SAAS,KAAK,CAAC,IAAI;;QAC7C,sBAAsB;QACtB,IAAI,YAAY,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE;YAC/B,OAAO;SACR;QAED,6CAA6C;QAC7C,0DAA0D;QAC1D,qDAAqD;QACrD,IAAI,EAAE,CAAC,gBAAgB,CAAC,IAAI,CAAC,IAAI,IAAI,CAAC,KAAK,KAAK,EAAE,CAAC,UAAU,CAAC,iBAAiB,EAAE;YAC/E,OAAO;SACR;QAED,yBAAyB;QACzB,IAAI,EAAE,CAAC,mBAAmB,CAAC,IAAI,CAAC,EAAE;YAChC,IAAI,CAAC,CAAA,MAAA,IAAI,CAAC,YAAY,0CAAE,UAAU,CAAA,EAAE;gBAClC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;aACpB;YAED,OAAO;SACR;QAED,2FAA2F;QAC3F,IAAI,EAAE,CAAC,mBAAmB,CAAC,IAAI,CAAC,IAAI,CAAC,eAAe,CAAC,qBAAqB,EAAE;YAC1E,OAAO;SACR;QAED,IAAI,MAA6B,CAAC;QAClC,QAAQ,IAAI,CAAC,IAAI,EAAE;YACjB,KAAK,EAAE,CAAC,UAAU,CAAC,UAAU;gBAC3B,MAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC;gBAC3B,IAAI,MAAM,IAAI,EAAE,CAAC,6BAA6B,CAAC,MAAM,CAAC,EAAE;oBACtD,MAAM,eAAe,GAAG,WAAW,CAAC,iCAAiC,CAAC,MAAM,CAAC,CAAC;oBAC9E,IAAI,eAAe,EAAE;wBACnB,MAAM,GAAG,eAAe,CAAC;qBAC1B;iBACF;qBAAM;oBACL,MAAM,GAAG,WAAW,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC;iBAChD;gBACD,MAAM;YACR,KAAK,EAAE,CAAC,UAAU,CAAC,eAAe;gBAChC,MAAM,GAAG,WAAW,CAAC,mCAAmC,CAAC,IAA0B,CAAC,CAAC;gBACrF,MAAM;YACR,KAAK,EAAE,CAAC,UAAU,CAAC,2BAA2B;gBAC5C,MAAM,GAAG,WAAW,CAAC,iCAAiC,CAAC,IAAI,CAAC,CAAC;gBAC7D,MAAM;SACT;QAED,IAAI,MAAM,EAAE;YACV,WAAW,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC;SACzB;QAED,EAAE,CAAC,YAAY,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;IAC/B,CAAC,CAAC,CAAC;IAEH,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC,EAAE;QACxB,OAAO,kBAAkB,CAAC;KAC3B;IAED,MAAM,QAAQ,GAAG,CAAC,IAAmB,EAAE,EAAE;QACvC,oCAAoC;QACpC,IAAI,IAAI,CAAC,IAAI,KAAK,eAAe,CAAC,UAAU,EAAE;YAC5C,OAAO,KAAK,CAAC;SACd;QAED,MAAM,MAAM,GAAG,WAAW,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC;QAErD,OAAO,MAAM,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC;IAC5C,CAAC,CAAC;IAEF,KAAK,MAAM,IAAI,IAAI,OAAO,EAAE;QAC1B,IAAI,CAAC,IAAI,CAAC,YAAY,EAAE;YACtB,kBAAkB;YAClB,SAAS;SACV;QAED,MAAM,aAAa,GAAG,IAAI,CAAC,YAAY,CAAC,aAAa,CAAC;QAEtD,IAAI,aAAa,IAAI,EAAE,CAAC,iBAAiB,CAAC,aAAa,CAAC,EAAE;YACxD,gCAAgC;YAChC,IAAI,QAAQ,CAAC,aAAa,CAAC,IAAI,CAAC,EAAE;gBAChC,kBAAkB,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;aAC9B;SACF;aAAM;YACL,MAAM,qBAAqB,GAAG,EAAE,CAAC;YACjC,IAAI,YAAY,GAAG,CAAC,CAAC;YAErB,oCAAoC;YACpC,IAAI,aAAa,IAAI,EAAE,CAAC,cAAc,CAAC,aAAa,CAAC,EAAE;gBACrD,IAAI,mBAAmB,GAAG,CAAC,CAAC;gBAC5B,YAAY,IAAI,aAAa,CAAC,QAAQ,CAAC,MAAM,CAAC;gBAE9C,KAAK,MAAM,SAAS,IAAI,aAAa,CAAC,QAAQ,EAAE;oBAC9C,IAAI,SAAS,CAAC,UAAU,IAAI,QAAQ,CAAC,SAAS,CAAC,IAAI,CAAC,EAAE;wBACpD,mBAAmB,EAAE,CAAC;wBACtB,oFAAoF;wBACpF,MAAM,YAAY,GAChB,YAAY,KAAK,mBAAmB,CAAC,CAAC,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,SAAS,CAAC;wBAEtE,qBAAqB,CAAC,IAAI,CAAC,YAAY,CAAC,CAAC;qBAC1C;iBACF;aACF;YAED,2BAA2B;YAC3B,IAAI,IAAI,CAAC,YAAY,CAAC,IAAI,EAAE;gBAC1B,YAAY,EAAE,CAAC;gBAEf,IAAI,IAAI,CAAC,YAAY,CAAC,UAAU,IAAI,QAAQ,CAAC,IAAI,CAAC,YAAY,CAAC,IAAI,CAAC,EAAE;oBACpE,qBAAqB,CAAC,IAAI,CAAC,IAAI,CAAC,YAAY,CAAC,IAAI,CAAC,CAAC;iBACpD;aACF;YAED,IAAI,qBAAqB,CAAC,MAAM,KAAK,YAAY,EAAE;gBACjD,kBAAkB,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;aAC9B;iBAAM;gBACL,KAAK,MAAM,oBAAoB,IAAI,qBAAqB,EAAE;oBACxD,kBAAkB,CAAC,GAAG,CAAC,oBAAoB,CAAC,CAAC;iBAC9C;aACF;SACF;KACF;IAED,OAAO,kBAAkB,CAAC;AAC5B,CAAC;AA9ID,oCA8IC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport * as ts from 'typescript';\n\n// Remove imports for which all identifiers have been removed.\n// Needs type checker, and works even if it's not the first transformer.\n// Works by removing imports for symbols whose identifiers have all been removed.\n// Doesn't use the `symbol.declarations` because that previous transforms might have removed nodes\n// but the type checker doesn't know.\n// See https://github.com/Microsoft/TypeScript/issues/17552 for more information.\nexport function elideImports(\n  sourceFile: ts.SourceFile,\n  removedNodes: ts.Node[],\n  getTypeChecker: () => ts.TypeChecker,\n  compilerOptions: ts.CompilerOptions,\n): Set<ts.Node> {\n  const importNodeRemovals = new Set<ts.Node>();\n\n  if (removedNodes.length === 0) {\n    return importNodeRemovals;\n  }\n\n  const typeChecker = getTypeChecker();\n\n  // Collect all imports and used identifiers\n  const usedSymbols = new Set<ts.Symbol>();\n  const imports: ts.ImportDeclaration[] = [];\n\n  ts.forEachChild(sourceFile, function visit(node) {\n    // Skip removed nodes.\n    if (removedNodes.includes(node)) {\n      return;\n    }\n\n    // Consider types for 'implements' as unused.\n    // A HeritageClause token can also be an 'AbstractKeyword'\n    // which in that case we should not elide the import.\n    if (ts.isHeritageClause(node) && node.token === ts.SyntaxKind.ImplementsKeyword) {\n      return;\n    }\n\n    // Record import and skip\n    if (ts.isImportDeclaration(node)) {\n      if (!node.importClause?.isTypeOnly) {\n        imports.push(node);\n      }\n\n      return;\n    }\n\n    // Type reference imports do not need to be emitted when emitDecoratorMetadata is disabled.\n    if (ts.isTypeReferenceNode(node) && !compilerOptions.emitDecoratorMetadata) {\n      return;\n    }\n\n    let symbol: ts.Symbol | undefined;\n    switch (node.kind) {\n      case ts.SyntaxKind.Identifier:\n        const parent = node.parent;\n        if (parent && ts.isShorthandPropertyAssignment(parent)) {\n          const shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(parent);\n          if (shorthandSymbol) {\n            symbol = shorthandSymbol;\n          }\n        } else {\n          symbol = typeChecker.getSymbolAtLocation(node);\n        }\n        break;\n      case ts.SyntaxKind.ExportSpecifier:\n        symbol = typeChecker.getExportSpecifierLocalTargetSymbol(node as ts.ExportSpecifier);\n        break;\n      case ts.SyntaxKind.ShorthandPropertyAssignment:\n        symbol = typeChecker.getShorthandAssignmentValueSymbol(node);\n        break;\n    }\n\n    if (symbol) {\n      usedSymbols.add(symbol);\n    }\n\n    ts.forEachChild(node, visit);\n  });\n\n  if (imports.length === 0) {\n    return importNodeRemovals;\n  }\n\n  const isUnused = (node: ts.Identifier) => {\n    // Do not remove JSX factory imports\n    if (node.text === compilerOptions.jsxFactory) {\n      return false;\n    }\n\n    const symbol = typeChecker.getSymbolAtLocation(node);\n\n    return symbol && !usedSymbols.has(symbol);\n  };\n\n  for (const node of imports) {\n    if (!node.importClause) {\n      // \"import 'abc';\"\n      continue;\n    }\n\n    const namedBindings = node.importClause.namedBindings;\n\n    if (namedBindings && ts.isNamespaceImport(namedBindings)) {\n      // \"import * as XYZ from 'abc';\"\n      if (isUnused(namedBindings.name)) {\n        importNodeRemovals.add(node);\n      }\n    } else {\n      const specifierNodeRemovals = [];\n      let clausesCount = 0;\n\n      // \"import { XYZ, ... } from 'abc';\"\n      if (namedBindings && ts.isNamedImports(namedBindings)) {\n        let removedClausesCount = 0;\n        clausesCount += namedBindings.elements.length;\n\n        for (const specifier of namedBindings.elements) {\n          if (specifier.isTypeOnly || isUnused(specifier.name)) {\n            removedClausesCount++;\n            // in case we don't have any more namedImports we should remove the parent ie the {}\n            const nodeToRemove =\n              clausesCount === removedClausesCount ? specifier.parent : specifier;\n\n            specifierNodeRemovals.push(nodeToRemove);\n          }\n        }\n      }\n\n      // \"import XYZ from 'abc';\"\n      if (node.importClause.name) {\n        clausesCount++;\n\n        if (node.importClause.isTypeOnly || isUnused(node.importClause.name)) {\n          specifierNodeRemovals.push(node.importClause.name);\n        }\n      }\n\n      if (specifierNodeRemovals.length === clausesCount) {\n        importNodeRemovals.add(node);\n      } else {\n        for (const specifierNodeRemoval of specifierNodeRemovals) {\n          importNodeRemovals.add(specifierNodeRemoval);\n        }\n      }\n    }\n  }\n\n  return importNodeRemovals;\n}\n"]}