@angular/cdk
Version:
Angular Material Component Development Kit
111 lines • 15.2 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
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getImportOfIdentifier = void 0;
const ts = require("typescript");
/** Resolves the import of the specified identifier. */
function getImportOfIdentifier(node, typeChecker) {
// Free standing identifiers which resolve to an import will be handled
// as direct imports. e.g. "@Component()" where "Component" is an identifier
// referring to an import specifier.
const directImport = getSpecificImportOfIdentifier(node, typeChecker);
if (directImport !== null) {
return directImport;
}
else if (ts.isQualifiedName(node.parent) && node.parent.right === node) {
// Determines the import of a qualified name. e.g. "let t: core.Component". In that
// case, the import of the most left identifier will be determined ("core").
const qualifierRoot = getQualifiedNameRoot(node.parent);
if (qualifierRoot) {
const moduleName = getImportOfNamespacedIdentifier(qualifierRoot, typeChecker);
if (moduleName) {
return { moduleName, symbolName: node.text };
}
}
}
else if (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) {
// Determines the import of a property expression. e.g. "@core.Component". In that
// case, the import of the most left identifier will be determined ("core").
const rootIdentifier = getPropertyAccessRoot(node.parent);
if (rootIdentifier) {
const moduleName = getImportOfNamespacedIdentifier(rootIdentifier, typeChecker);
if (moduleName) {
return { moduleName, symbolName: node.text };
}
}
}
return null;
}
exports.getImportOfIdentifier = getImportOfIdentifier;
/**
* Resolves the import of the specified identifier. Expects the identifier to resolve
* to a fine-grained import declaration with import specifiers.
*/
function getSpecificImportOfIdentifier(node, typeChecker) {
const symbol = typeChecker.getSymbolAtLocation(node);
if (!symbol || !symbol.declarations || !symbol.declarations.length) {
return null;
}
const declaration = symbol.declarations[0];
if (!ts.isImportSpecifier(declaration)) {
return null;
}
// Since the declaration is an import specifier, we can walk up three times to get a reference
// to the import declaration node (NamedImports -> ImportClause -> ImportDeclaration).
const importDecl = declaration.parent.parent.parent;
if (!ts.isStringLiteral(importDecl.moduleSpecifier)) {
return null;
}
return {
moduleName: importDecl.moduleSpecifier.text,
symbolName: declaration.propertyName ? declaration.propertyName.text : declaration.name.text,
};
}
/**
* Resolves the import of the specified identifier. Expects the identifier to
* resolve to a namespaced import declaration. e.g. "import * as core from ...".
*/
function getImportOfNamespacedIdentifier(node, typeChecker) {
const symbol = typeChecker.getSymbolAtLocation(node);
if (!symbol || !symbol.declarations || !symbol.declarations.length) {
return null;
}
const declaration = symbol.declarations[0];
if (!ts.isNamespaceImport(declaration)) {
return null;
}
// Since the declaration is a namespace import, we can walk up three times to get a reference
// to the import declaration node (NamespaceImport -> ImportClause -> ImportDeclaration).
const importDecl = declaration.parent.parent;
if (!ts.isStringLiteral(importDecl.moduleSpecifier)) {
return null;
}
return importDecl.moduleSpecifier.text;
}
/**
* Gets the root identifier of a qualified type chain. For example: "core.GestureConfig"
* will return the "core" identifier. Allowing us to find the import of "core".
*/
function getQualifiedNameRoot(name) {
while (ts.isQualifiedName(name.left)) {
name = name.left;
}
return ts.isIdentifier(name.left) ? name.left : null;
}
/**
* Gets the root identifier of a property access chain. For example: "core.GestureConfig"
* will return the "core" identifier. Allowing us to find the import of "core".
*/
function getPropertyAccessRoot(node) {
while (ts.isPropertyAccessExpression(node.expression)) {
node = node.expression;
}
return ts.isIdentifier(node.expression) ? node.expression : null;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"imports.js","sourceRoot":"","sources":["../../../../../../../../src/cdk/schematics/update-tool/utils/imports.ts"],"names":[],"mappings":";AAAA;;;;;;GAMG;;;AAEH,iCAAiC;AAUjC,uDAAuD;AACvD,SAAgB,qBAAqB,CACnC,IAAmB,EACnB,WAA2B;IAE3B,uEAAuE;IACvE,4EAA4E;IAC5E,oCAAoC;IACpC,MAAM,YAAY,GAAG,6BAA6B,CAAC,IAAI,EAAE,WAAW,CAAC,CAAC;IACtE,IAAI,YAAY,KAAK,IAAI,EAAE;QACzB,OAAO,YAAY,CAAC;KACrB;SAAM,IAAI,EAAE,CAAC,eAAe,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,IAAI,CAAC,MAAM,CAAC,KAAK,KAAK,IAAI,EAAE;QACxE,mFAAmF;QACnF,4EAA4E;QAC5E,MAAM,aAAa,GAAG,oBAAoB,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;QACxD,IAAI,aAAa,EAAE;YACjB,MAAM,UAAU,GAAG,+BAA+B,CAAC,aAAa,EAAE,WAAW,CAAC,CAAC;YAC/E,IAAI,UAAU,EAAE;gBACd,OAAO,EAAC,UAAU,EAAE,UAAU,EAAE,IAAI,CAAC,IAAI,EAAC,CAAC;aAC5C;SACF;KACF;SAAM,IAAI,EAAE,CAAC,0BAA0B,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,IAAI,CAAC,MAAM,CAAC,IAAI,KAAK,IAAI,EAAE;QAClF,kFAAkF;QAClF,4EAA4E;QAC5E,MAAM,cAAc,GAAG,qBAAqB,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;QAC1D,IAAI,cAAc,EAAE;YAClB,MAAM,UAAU,GAAG,+BAA+B,CAAC,cAAc,EAAE,WAAW,CAAC,CAAC;YAChF,IAAI,UAAU,EAAE;gBACd,OAAO,EAAC,UAAU,EAAE,UAAU,EAAE,IAAI,CAAC,IAAI,EAAC,CAAC;aAC5C;SACF;KACF;IACD,OAAO,IAAI,CAAC;AACd,CAAC;AAhCD,sDAgCC;AAED;;;GAGG;AACH,SAAS,6BAA6B,CACpC,IAAmB,EACnB,WAA2B;IAE3B,MAAM,MAAM,GAAG,WAAW,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC;IACrD,IAAI,CAAC,MAAM,IAAI,CAAC,MAAM,CAAC,YAAY,IAAI,CAAC,MAAM,CAAC,YAAY,CAAC,MAAM,EAAE;QAClE,OAAO,IAAI,CAAC;KACb;IACD,MAAM,WAAW,GAAG,MAAM,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC;IAC3C,IAAI,CAAC,EAAE,CAAC,iBAAiB,CAAC,WAAW,CAAC,EAAE;QACtC,OAAO,IAAI,CAAC;KACb;IACD,8FAA8F;IAC9F,sFAAsF;IACtF,MAAM,UAAU,GAAG,WAAW,CAAC,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC;IACpD,IAAI,CAAC,EAAE,CAAC,eAAe,CAAC,UAAU,CAAC,eAAe,CAAC,EAAE;QACnD,OAAO,IAAI,CAAC;KACb;IACD,OAAO;QACL,UAAU,EAAE,UAAU,CAAC,eAAe,CAAC,IAAI;QAC3C,UAAU,EAAE,WAAW,CAAC,YAAY,CAAC,CAAC,CAAC,WAAW,CAAC,YAAY,CAAC,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI;KAC7F,CAAC;AACJ,CAAC;AAED;;;GAGG;AACH,SAAS,+BAA+B,CACtC,IAAmB,EACnB,WAA2B;IAE3B,MAAM,MAAM,GAAG,WAAW,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC;IACrD,IAAI,CAAC,MAAM,IAAI,CAAC,MAAM,CAAC,YAAY,IAAI,CAAC,MAAM,CAAC,YAAY,CAAC,MAAM,EAAE;QAClE,OAAO,IAAI,CAAC;KACb;IACD,MAAM,WAAW,GAAG,MAAM,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC;IAC3C,IAAI,CAAC,EAAE,CAAC,iBAAiB,CAAC,WAAW,CAAC,EAAE;QACtC,OAAO,IAAI,CAAC;KACb;IACD,6FAA6F;IAC7F,yFAAyF;IACzF,MAAM,UAAU,GAAG,WAAW,CAAC,MAAM,CAAC,MAAM,CAAC;IAC7C,IAAI,CAAC,EAAE,CAAC,eAAe,CAAC,UAAU,CAAC,eAAe,CAAC,EAAE;QACnD,OAAO,IAAI,CAAC;KACb;IAED,OAAO,UAAU,CAAC,eAAe,CAAC,IAAI,CAAC;AACzC,CAAC;AAED;;;GAGG;AACH,SAAS,oBAAoB,CAAC,IAAsB;IAClD,OAAO,EAAE,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE;QACpC,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;KAClB;IACD,OAAO,EAAE,CAAC,YAAY,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,IAAI,CAAC;AACvD,CAAC;AAED;;;GAGG;AACH,SAAS,qBAAqB,CAAC,IAAiC;IAC9D,OAAO,EAAE,CAAC,0BAA0B,CAAC,IAAI,CAAC,UAAU,CAAC,EAAE;QACrD,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;KACxB;IACD,OAAO,EAAE,CAAC,YAAY,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,IAAI,CAAC;AACnE,CAAC","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/** Interface describing a resolved import. */\nexport interface Import {\n  /** Name of the imported symbol. */\n  symbolName: string;\n  /** Module name from which the symbol has been imported. */\n  moduleName: string;\n}\n\n/** Resolves the import of the specified identifier. */\nexport function getImportOfIdentifier(\n  node: ts.Identifier,\n  typeChecker: ts.TypeChecker,\n): Import | null {\n  // Free standing identifiers which resolve to an import will be handled\n  // as direct imports. e.g. \"@Component()\" where \"Component\" is an identifier\n  // referring to an import specifier.\n  const directImport = getSpecificImportOfIdentifier(node, typeChecker);\n  if (directImport !== null) {\n    return directImport;\n  } else if (ts.isQualifiedName(node.parent) && node.parent.right === node) {\n    // Determines the import of a qualified name. e.g. \"let t: core.Component\". In that\n    // case, the import of the most left identifier will be determined (\"core\").\n    const qualifierRoot = getQualifiedNameRoot(node.parent);\n    if (qualifierRoot) {\n      const moduleName = getImportOfNamespacedIdentifier(qualifierRoot, typeChecker);\n      if (moduleName) {\n        return {moduleName, symbolName: node.text};\n      }\n    }\n  } else if (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) {\n    // Determines the import of a property expression. e.g. \"@core.Component\". In that\n    // case, the import of the most left identifier will be determined (\"core\").\n    const rootIdentifier = getPropertyAccessRoot(node.parent);\n    if (rootIdentifier) {\n      const moduleName = getImportOfNamespacedIdentifier(rootIdentifier, typeChecker);\n      if (moduleName) {\n        return {moduleName, symbolName: node.text};\n      }\n    }\n  }\n  return null;\n}\n\n/**\n * Resolves the import of the specified identifier. Expects the identifier to resolve\n * to a fine-grained import declaration with import specifiers.\n */\nfunction getSpecificImportOfIdentifier(\n  node: ts.Identifier,\n  typeChecker: ts.TypeChecker,\n): Import | null {\n  const symbol = typeChecker.getSymbolAtLocation(node);\n  if (!symbol || !symbol.declarations || !symbol.declarations.length) {\n    return null;\n  }\n  const declaration = symbol.declarations[0];\n  if (!ts.isImportSpecifier(declaration)) {\n    return null;\n  }\n  // Since the declaration is an import specifier, we can walk up three times to get a reference\n  // to the import declaration node (NamedImports -> ImportClause -> ImportDeclaration).\n  const importDecl = declaration.parent.parent.parent;\n  if (!ts.isStringLiteral(importDecl.moduleSpecifier)) {\n    return null;\n  }\n  return {\n    moduleName: importDecl.moduleSpecifier.text,\n    symbolName: declaration.propertyName ? declaration.propertyName.text : declaration.name.text,\n  };\n}\n\n/**\n * Resolves the import of the specified identifier. Expects the identifier to\n * resolve to a namespaced import declaration. e.g. \"import * as core from ...\".\n */\nfunction getImportOfNamespacedIdentifier(\n  node: ts.Identifier,\n  typeChecker: ts.TypeChecker,\n): string | null {\n  const symbol = typeChecker.getSymbolAtLocation(node);\n  if (!symbol || !symbol.declarations || !symbol.declarations.length) {\n    return null;\n  }\n  const declaration = symbol.declarations[0];\n  if (!ts.isNamespaceImport(declaration)) {\n    return null;\n  }\n  // Since the declaration is a namespace import, we can walk up three times to get a reference\n  // to the import declaration node (NamespaceImport -> ImportClause -> ImportDeclaration).\n  const importDecl = declaration.parent.parent;\n  if (!ts.isStringLiteral(importDecl.moduleSpecifier)) {\n    return null;\n  }\n\n  return importDecl.moduleSpecifier.text;\n}\n\n/**\n * Gets the root identifier of a qualified type chain. For example: \"core.GestureConfig\"\n * will return the \"core\" identifier. Allowing us to find the import of \"core\".\n */\nfunction getQualifiedNameRoot(name: ts.QualifiedName): ts.Identifier | null {\n  while (ts.isQualifiedName(name.left)) {\n    name = name.left;\n  }\n  return ts.isIdentifier(name.left) ? name.left : null;\n}\n\n/**\n * Gets the root identifier of a property access chain. For example: \"core.GestureConfig\"\n * will return the \"core\" identifier. Allowing us to find the import of \"core\".\n */\nfunction getPropertyAccessRoot(node: ts.PropertyAccessExpression): ts.Identifier | null {\n  while (ts.isPropertyAccessExpression(node.expression)) {\n    node = node.expression;\n  }\n  return ts.isIdentifier(node.expression) ? node.expression : null;\n}\n"]}