219 lines
8.2 KiB
JavaScript
219 lines
8.2 KiB
JavaScript
"use strict";
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/**
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* @license
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* Copyright 2016 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var tsutils_1 = require("tsutils");
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var ts = require("typescript");
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var Lint = require("../index");
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = function (name, message) {
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return name + " is deprecated" + (message === "" ? "." : ": " + message.trim());
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};
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Rule.prototype.applyWithProgram = function (sourceFile, program) {
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return this.applyWithFunction(sourceFile, walk, undefined, program.getTypeChecker());
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "deprecation",
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description: "Warns when deprecated APIs are used.",
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descriptionDetails: (_a = ["Any usage of an identifier\n with the @deprecated JSDoc annotation will trigger a warning.\n See http://usejsdoc.org/tags-deprecated.html"], _a.raw = ["Any usage of an identifier\n with the @deprecated JSDoc annotation will trigger a warning.\n See http://usejsdoc.org/tags-deprecated.html"], Lint.Utils.dedent(_a)),
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rationale: "Deprecated APIs should be avoided, and usage updated.",
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optionsDescription: "",
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options: null,
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optionExamples: [],
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type: "maintainability",
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typescriptOnly: false,
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requiresTypeInfo: true,
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};
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return Rule;
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}(Lint.Rules.TypedRule));
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exports.Rule = Rule;
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function walk(ctx, tc) {
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (tsutils_1.isIdentifier(node)) {
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if (!isDeclaration(node)) {
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var deprecation = getDeprecation(node, tc);
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if (deprecation !== undefined) {
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ctx.addFailureAtNode(node, Rule.FAILURE_STRING(node.text, deprecation));
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}
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}
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}
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else {
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switch (node.kind) {
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case ts.SyntaxKind.ImportDeclaration:
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case ts.SyntaxKind.ImportEqualsDeclaration:
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case ts.SyntaxKind.ExportDeclaration:
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case ts.SyntaxKind.ExportAssignment:
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return;
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}
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return ts.forEachChild(node, cb);
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}
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});
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}
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function isDeclaration(identifier) {
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var parent = identifier.parent;
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switch (parent.kind) {
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case ts.SyntaxKind.ClassDeclaration:
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case ts.SyntaxKind.ClassExpression:
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case ts.SyntaxKind.InterfaceDeclaration:
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case ts.SyntaxKind.TypeParameter:
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case ts.SyntaxKind.FunctionExpression:
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case ts.SyntaxKind.FunctionDeclaration:
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case ts.SyntaxKind.LabeledStatement:
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case ts.SyntaxKind.JsxAttribute:
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case ts.SyntaxKind.MethodDeclaration:
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case ts.SyntaxKind.MethodSignature:
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case ts.SyntaxKind.PropertySignature:
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case ts.SyntaxKind.TypeAliasDeclaration:
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case ts.SyntaxKind.GetAccessor:
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case ts.SyntaxKind.SetAccessor:
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case ts.SyntaxKind.EnumDeclaration:
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return true;
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case ts.SyntaxKind.VariableDeclaration:
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case ts.SyntaxKind.TypeAliasDeclaration:
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case ts.SyntaxKind.Parameter:
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case ts.SyntaxKind.ModuleDeclaration:
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case ts.SyntaxKind.PropertyDeclaration:
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case ts.SyntaxKind.PropertyAssignment:
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case ts.SyntaxKind.EnumMember:
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case ts.SyntaxKind.ImportEqualsDeclaration:
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return parent.name === identifier;
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case ts.SyntaxKind.BindingElement:
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// return true for `b` in `const {a: b} = obj"`
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return parent.name === identifier &&
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parent.propertyName !== undefined;
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default:
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return false;
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}
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}
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function getCallExpresion(node) {
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var parent = node.parent;
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if (tsutils_1.isPropertyAccessExpression(parent) && parent.name === node) {
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node = parent;
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parent = node.parent;
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}
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return tsutils_1.isTaggedTemplateExpression(parent) || tsutils_1.isCallExpression(parent) && parent.expression === node ? parent : undefined;
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}
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function getDeprecation(node, tc) {
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var callExpression = getCallExpresion(node);
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if (callExpression !== undefined) {
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var result = getSignatureDeprecation(tc.getResolvedSignature(callExpression));
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if (result !== undefined) {
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return result;
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}
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}
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var symbol = tc.getSymbolAtLocation(node);
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if (symbol !== undefined && Lint.isSymbolFlagSet(symbol, ts.SymbolFlags.Alias)) {
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symbol = tc.getAliasedSymbol(symbol);
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}
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if (symbol === undefined ||
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// if this is a CallExpression and the declaration is a function or method,
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// stop here to avoid collecting JsDoc of all overload signatures
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callExpression !== undefined && isFunctionOrMethod(symbol.declarations)) {
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return undefined;
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}
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return getSymbolDeprecation(symbol);
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}
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function findDeprecationTag(tags) {
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for (var _i = 0, tags_1 = tags; _i < tags_1.length; _i++) {
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var tag = tags_1[_i];
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if (tag.name === "deprecated") {
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return tag.text;
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}
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}
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return undefined;
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}
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function getSymbolDeprecation(symbol) {
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if (symbol.getJsDocTags !== undefined) {
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return findDeprecationTag(symbol.getJsDocTags());
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}
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// for compatibility with typescript@<2.3.0
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return getDeprecationFromDeclarations(symbol.declarations);
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}
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function getSignatureDeprecation(signature) {
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if (signature === undefined) {
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return undefined;
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}
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if (signature.getJsDocTags !== undefined) {
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return findDeprecationTag(signature.getJsDocTags());
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}
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// for compatibility with typescript@<2.3.0
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return signature.declaration === undefined ? undefined : getDeprecationFromDeclaration(signature.declaration);
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}
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function getDeprecationFromDeclarations(declarations) {
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if (declarations === undefined) {
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return undefined;
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}
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var declaration;
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for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) {
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declaration = declarations_1[_i];
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if (tsutils_1.isBindingElement(declaration)) {
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declaration = tsutils_1.getDeclarationOfBindingElement(declaration);
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}
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if (tsutils_1.isVariableDeclaration(declaration)) {
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declaration = declaration.parent;
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}
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if (tsutils_1.isVariableDeclarationList(declaration)) {
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declaration = declaration.parent;
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}
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var result = getDeprecationFromDeclaration(declaration);
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if (result !== undefined) {
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return result;
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}
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}
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return undefined;
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}
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function getDeprecationFromDeclaration(declaration) {
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for (var _i = 0, _a = declaration.getChildren(); _i < _a.length; _i++) {
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var child = _a[_i];
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if (!tsutils_1.isJsDoc(child)) {
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break;
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}
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if (child.tags === undefined) {
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continue;
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}
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for (var _b = 0, _c = child.tags; _b < _c.length; _b++) {
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var tag = _c[_b];
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if (tag.tagName.text === "deprecated") {
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return tag.comment === undefined ? "" : tag.comment;
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}
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}
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}
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return undefined;
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}
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function isFunctionOrMethod(declarations) {
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if (declarations === undefined || declarations.length === 0) {
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return false;
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}
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switch (declarations[0].kind) {
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case ts.SyntaxKind.MethodDeclaration:
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case ts.SyntaxKind.FunctionDeclaration:
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case ts.SyntaxKind.FunctionExpression:
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case ts.SyntaxKind.MethodSignature:
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return true;
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default:
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return false;
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}
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}
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var _a;
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