@angular/core
Version:
Angular - the core framework
103 lines • 16.4 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
*/
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define("@angular/core/schematics/migrations/router-preserve-query-params/util", ["require", "exports", "typescript", "@angular/core/schematics/utils/typescript/imports", "@angular/core/schematics/utils/typescript/symbol"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.findLiteralsToMigrate = exports.migrateLiteral = void 0;
const ts = require("typescript");
const imports_1 = require("@angular/core/schematics/utils/typescript/imports");
const symbol_1 = require("@angular/core/schematics/utils/typescript/symbol");
/**
* Configures the methods that the migration should be looking for
* and the properties from `NavigationExtras` that should be preserved.
*/
const methodConfig = new Set(['navigate', 'createUrlTree']);
const preserveQueryParamsKey = 'preserveQueryParams';
function migrateLiteral(methodName, node) {
var _a;
const isMigratableMethod = methodConfig.has(methodName);
if (!isMigratableMethod) {
throw Error(`Attempting to migrate unconfigured method called ${methodName}.`);
}
const propertiesToKeep = [];
let propertyToMigrate = undefined;
for (const property of node.properties) {
// Only look for regular and shorthand property assignments since resolving things
// like spread operators becomes too complicated for this migration.
if ((ts.isPropertyAssignment(property) || ts.isShorthandPropertyAssignment(property)) &&
(ts.isStringLiteralLike(property.name) || ts.isNumericLiteral(property.name) ||
ts.isIdentifier(property.name)) &&
(property.name.text === preserveQueryParamsKey)) {
propertyToMigrate = property;
continue;
}
propertiesToKeep.push(property);
}
// Don't modify the node if there's nothing to migrate.
if (propertyToMigrate === undefined) {
return node;
}
if ((ts.isShorthandPropertyAssignment(propertyToMigrate) &&
((_a = propertyToMigrate.objectAssignmentInitializer) === null || _a === void 0 ? void 0 : _a.kind) === ts.SyntaxKind.TrueKeyword) ||
(ts.isPropertyAssignment(propertyToMigrate) &&
propertyToMigrate.initializer.kind === ts.SyntaxKind.TrueKeyword)) {
return ts.updateObjectLiteral(node, propertiesToKeep.concat(ts.createPropertyAssignment('queryParamsHandling', ts.createIdentifier(`'preserve'`))));
}
return ts.updateObjectLiteral(node, propertiesToKeep);
}
exports.migrateLiteral = migrateLiteral;
function findLiteralsToMigrate(sourceFile, typeChecker) {
const results = new Map(Array.from(methodConfig.keys(), key => [key, new Set()]));
const routerImport = imports_1.getImportSpecifier(sourceFile, '@angular/router', 'Router');
const seenLiterals = new Map();
if (routerImport) {
sourceFile.forEachChild(function visitNode(node) {
var _a;
// Look for calls that look like `foo.<method to migrate>` with more than one parameter.
if (ts.isCallExpression(node) && node.arguments.length > 1 &&
ts.isPropertyAccessExpression(node.expression) && ts.isIdentifier(node.expression.name) &&
methodConfig.has(node.expression.name.text)) {
// Check whether the type of the object on which the
// function is called refers to the Router import.
if (symbol_1.isReferenceToImport(typeChecker, node.expression.expression, routerImport)) {
const methodName = node.expression.name.text;
const parameterDeclaration = (_a = typeChecker.getTypeAtLocation(node.arguments[1]).getSymbol()) === null || _a === void 0 ? void 0 : _a.valueDeclaration;
// Find the source of the object literal.
if (parameterDeclaration && ts.isObjectLiteralExpression(parameterDeclaration)) {
if (!seenLiterals.has(parameterDeclaration)) {
results.get(methodName).add(parameterDeclaration);
seenLiterals.set(parameterDeclaration, methodName);
// If the same literal has been passed into multiple different methods, we can't
// migrate it, because the supported properties are different. When we detect such
// a case, we drop it from the results so that it gets ignored. If it's used multiple
// times for the same method, it can still be migrated.
}
else if (seenLiterals.get(parameterDeclaration) !== methodName) {
results.forEach(literals => literals.delete(parameterDeclaration));
}
}
}
}
else {
node.forEachChild(visitNode);
}
});
}
return results;
}
exports.findLiteralsToMigrate = findLiteralsToMigrate;
});
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* @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\nimport {getImportSpecifier} from '../../utils/typescript/imports';\nimport {isReferenceToImport} from '../../utils/typescript/symbol';\n\n/**\n * Configures the methods that the migration should be looking for\n * and the properties from `NavigationExtras` that should be preserved.\n */\nconst methodConfig = new Set<string>(['navigate', 'createUrlTree']);\n\nconst preserveQueryParamsKey = 'preserveQueryParams';\n\nexport function migrateLiteral(\n    methodName: string, node: ts.ObjectLiteralExpression): ts.ObjectLiteralExpression {\n  const isMigratableMethod = methodConfig.has(methodName);\n\n  if (!isMigratableMethod) {\n    throw Error(`Attempting to migrate unconfigured method called ${methodName}.`);\n  }\n\n\n  const propertiesToKeep: ts.ObjectLiteralElementLike[] = [];\n  let propertyToMigrate: ts.PropertyAssignment|ts.ShorthandPropertyAssignment|undefined = undefined;\n\n  for (const property of node.properties) {\n    // Only look for regular and shorthand property assignments since resolving things\n    // like spread operators becomes too complicated for this migration.\n    if ((ts.isPropertyAssignment(property) || ts.isShorthandPropertyAssignment(property)) &&\n        (ts.isStringLiteralLike(property.name) || ts.isNumericLiteral(property.name) ||\n         ts.isIdentifier(property.name)) &&\n        (property.name.text === preserveQueryParamsKey)) {\n      propertyToMigrate = property;\n      continue;\n    }\n    propertiesToKeep.push(property);\n  }\n\n  // Don't modify the node if there's nothing to migrate.\n  if (propertyToMigrate === undefined) {\n    return node;\n  }\n\n  if ((ts.isShorthandPropertyAssignment(propertyToMigrate) &&\n       propertyToMigrate.objectAssignmentInitializer?.kind === ts.SyntaxKind.TrueKeyword) ||\n      (ts.isPropertyAssignment(propertyToMigrate) &&\n       propertyToMigrate.initializer.kind === ts.SyntaxKind.TrueKeyword)) {\n    return ts.updateObjectLiteral(\n        node,\n        propertiesToKeep.concat(\n            ts.createPropertyAssignment('queryParamsHandling', ts.createIdentifier(`'preserve'`))));\n  }\n\n  return ts.updateObjectLiteral(node, propertiesToKeep);\n}\n\nexport function findLiteralsToMigrate(sourceFile: ts.SourceFile, typeChecker: ts.TypeChecker) {\n  const results = new Map<string, Set<ts.ObjectLiteralExpression>>(\n      Array.from(methodConfig.keys(), key => [key, new Set()]));\n  const routerImport = getImportSpecifier(sourceFile, '@angular/router', 'Router');\n  const seenLiterals = new Map<ts.ObjectLiteralExpression, string>();\n\n  if (routerImport) {\n    sourceFile.forEachChild(function visitNode(node: ts.Node) {\n      // Look for calls that look like `foo.<method to migrate>` with more than one parameter.\n      if (ts.isCallExpression(node) && node.arguments.length > 1 &&\n          ts.isPropertyAccessExpression(node.expression) && ts.isIdentifier(node.expression.name) &&\n          methodConfig.has(node.expression.name.text)) {\n        // Check whether the type of the object on which the\n        // function is called refers to the Router import.\n        if (isReferenceToImport(typeChecker, node.expression.expression, routerImport)) {\n          const methodName = node.expression.name.text;\n          const parameterDeclaration =\n              typeChecker.getTypeAtLocation(node.arguments[1]).getSymbol()?.valueDeclaration;\n\n          // Find the source of the object literal.\n          if (parameterDeclaration && ts.isObjectLiteralExpression(parameterDeclaration)) {\n            if (!seenLiterals.has(parameterDeclaration)) {\n              results.get(methodName)!.add(parameterDeclaration);\n              seenLiterals.set(parameterDeclaration, methodName);\n              // If the same literal has been passed into multiple different methods, we can't\n              // migrate it, because the supported properties are different. When we detect such\n              // a case, we drop it from the results so that it gets ignored. If it's used multiple\n              // times for the same method, it can still be migrated.\n            } else if (seenLiterals.get(parameterDeclaration) !== methodName) {\n              results.forEach(literals => literals.delete(parameterDeclaration));\n            }\n          }\n        }\n      } else {\n        node.forEachChild(visitNode);\n      }\n    });\n  }\n\n  return results;\n}\n"]}