@angular/cdk
Version:
Angular Material Component Development Kit
91 lines • 14.2 kB
JavaScript
"use strict";
/**
* @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.ClassNamesMigration = void 0;
const ts = require("typescript");
const migration_1 = require("../../update-tool/migration");
const imports_1 = require("../typescript/imports");
const module_specifiers_1 = require("../typescript/module-specifiers");
const upgrade_data_1 = require("../upgrade-data");
/**
* Migration that walks through every identifier that is part of Angular Material or thr CDK
* and replaces the outdated name with the new one if specified in the upgrade data.
*/
// TODO: rework this rule to identify symbols using the import identifier resolver. This
// makes it more robust, less AST convoluted and is more TypeScript AST idiomatic. COMP-300.
class ClassNamesMigration extends migration_1.Migration {
constructor() {
super(...arguments);
/** Change data that upgrades to the specified target version. */
this.data = (0, upgrade_data_1.getVersionUpgradeData)(this, 'classNames');
/**
* List of identifier names that have been imported from `@angular/material` or `@angular/cdk`
* in the current source file and therefore can be considered trusted.
*/
this.trustedIdentifiers = new Set();
/** List of namespaces that have been imported from `@angular/material` or `@angular/cdk`. */
this.trustedNamespaces = new Set();
// Only enable the migration rule if there is upgrade data.
this.enabled = this.data.length !== 0;
}
visitNode(node) {
if (ts.isIdentifier(node)) {
this._visitIdentifier(node);
}
}
/** Method that is called for every identifier inside of the specified project. */
_visitIdentifier(identifier) {
// For identifiers that aren't listed in the className data, the whole check can be
// skipped safely.
if (!this.data.some(data => data.replace === identifier.text)) {
return;
}
// For namespace imports that are referring to Angular Material or the CDK, we store the
// namespace name in order to be able to safely find identifiers that don't belong to the
// developer's application.
if ((0, imports_1.isNamespaceImportNode)(identifier) && (0, module_specifiers_1.isMaterialImportDeclaration)(identifier)) {
this.trustedNamespaces.add(identifier.text);
return this._createFailureWithReplacement(identifier);
}
// For export declarations that are referring to Angular Material or the CDK, the identifier
// can be immediately updated to the new name.
if ((0, imports_1.isExportSpecifierNode)(identifier) && (0, module_specifiers_1.isMaterialExportDeclaration)(identifier)) {
return this._createFailureWithReplacement(identifier);
}
// For import declarations that are referring to Angular Material or the CDK, the name of
// the import identifiers. This allows us to identify identifiers that belong to Material and
// the CDK, and we won't accidentally touch a developer's identifier.
if ((0, imports_1.isImportSpecifierNode)(identifier) && (0, module_specifiers_1.isMaterialImportDeclaration)(identifier)) {
this.trustedIdentifiers.add(identifier.text);
return this._createFailureWithReplacement(identifier);
}
// In case the identifier is part of a property access expression, we need to verify that the
// property access originates from a namespace that has been imported from Material or the CDK.
if (ts.isPropertyAccessExpression(identifier.parent)) {
const expression = identifier.parent.expression;
if (ts.isIdentifier(expression) && this.trustedNamespaces.has(expression.text)) {
return this._createFailureWithReplacement(identifier);
}
}
else if (this.trustedIdentifiers.has(identifier.text)) {
return this._createFailureWithReplacement(identifier);
}
}
/** Creates a failure and replacement for the specified identifier. */
_createFailureWithReplacement(identifier) {
const classData = this.data.find(data => data.replace === identifier.text);
const filePath = this.fileSystem.resolve(identifier.getSourceFile().fileName);
this.fileSystem
.edit(filePath)
.remove(identifier.getStart(), identifier.getWidth())
.insertRight(identifier.getStart(), classData.replaceWith);
}
}
exports.ClassNamesMigration = ClassNamesMigration;
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This\n// makes it more robust, less AST convoluted and is more TypeScript AST idiomatic. COMP-300.\nexport class ClassNamesMigration extends Migration<UpgradeData> {\n  /** Change data that upgrades to the specified target version. */\n  data: ClassNameUpgradeData[] = getVersionUpgradeData(this, 'classNames');\n\n  /**\n   * List of identifier names that have been imported from `@angular/material` or `@angular/cdk`\n   * in the current source file and therefore can be considered trusted.\n   */\n  trustedIdentifiers: Set<string> = new Set();\n\n  /** List of namespaces that have been imported from `@angular/material` or `@angular/cdk`. */\n  trustedNamespaces: Set<string> = new Set();\n\n  // Only enable the migration rule if there is upgrade data.\n  enabled = this.data.length !== 0;\n\n  override visitNode(node: ts.Node): void {\n    if (ts.isIdentifier(node)) {\n      this._visitIdentifier(node);\n    }\n  }\n\n  /** Method that is called for every identifier inside of the specified project. */\n  private _visitIdentifier(identifier: ts.Identifier) {\n    // For identifiers that aren't listed in the className data, the whole check can be\n    // skipped safely.\n    if (!this.data.some(data => data.replace === identifier.text)) {\n      return;\n    }\n\n    // For namespace imports that are referring to Angular Material or the CDK, we store the\n    // namespace name in order to be able to safely find identifiers that don't belong to the\n    // developer's application.\n    if (isNamespaceImportNode(identifier) && isMaterialImportDeclaration(identifier)) {\n      this.trustedNamespaces.add(identifier.text);\n\n      return this._createFailureWithReplacement(identifier);\n    }\n\n    // For export declarations that are referring to Angular Material or the CDK, the identifier\n    // can be immediately updated to the new name.\n    if (isExportSpecifierNode(identifier) && isMaterialExportDeclaration(identifier)) {\n      return this._createFailureWithReplacement(identifier);\n    }\n\n    // For import declarations that are referring to Angular Material or the CDK, the name of\n    // the import identifiers. This allows us to identify identifiers that belong to Material and\n    // the CDK, and we won't accidentally touch a developer's identifier.\n    if (isImportSpecifierNode(identifier) && isMaterialImportDeclaration(identifier)) {\n      this.trustedIdentifiers.add(identifier.text);\n\n      return this._createFailureWithReplacement(identifier);\n    }\n\n    // In case the identifier is part of a property access expression, we need to verify that the\n    // property access originates from a namespace that has been imported from Material or the CDK.\n    if (ts.isPropertyAccessExpression(identifier.parent)) {\n      const expression = identifier.parent.expression;\n\n      if (ts.isIdentifier(expression) && this.trustedNamespaces.has(expression.text)) {\n        return this._createFailureWithReplacement(identifier);\n      }\n    } else if (this.trustedIdentifiers.has(identifier.text)) {\n      return this._createFailureWithReplacement(identifier);\n    }\n  }\n\n  /** Creates a failure and replacement for the specified identifier. */\n  private _createFailureWithReplacement(identifier: ts.Identifier) {\n    const classData = this.data.find(data => data.replace === identifier.text)!;\n    const filePath = this.fileSystem.resolve(identifier.getSourceFile().fileName);\n\n    this.fileSystem\n      .edit(filePath)\n      .remove(identifier.getStart(), identifier.getWidth())\n      .insertRight(identifier.getStart(), classData.replaceWith);\n  }\n}\n"]}