mirror of
https://github.com/JamesIves/github-pages-deploy-action.git
synced 2023-12-15 20:03:39 +08:00
246 lines
11 KiB
JavaScript
246 lines
11 KiB
JavaScript
"use strict";
|
|
/**
|
|
* @license
|
|
* Copyright 2017 Palantir Technologies, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
var tslib_1 = require("tslib");
|
|
var utils = require("tsutils");
|
|
var ts = require("typescript");
|
|
var Lint = require("../index");
|
|
var typeUtils_1 = require("../language/typeUtils");
|
|
var utils_1 = require("../utils");
|
|
var OPTION_ONLY_INLINE_LAMBDAS = "only-inline-lambdas";
|
|
var Rule = /** @class */ (function (_super) {
|
|
tslib_1.__extends(Rule, _super);
|
|
function Rule() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}
|
|
Rule.prototype.applyWithProgram = function (sourceFile, program) {
|
|
var options = {
|
|
onlyInlineLambdas: this.ruleArguments.indexOf(OPTION_ONLY_INLINE_LAMBDAS) !== -1,
|
|
};
|
|
return this.applyWithFunction(sourceFile, walk, options, program.getTypeChecker());
|
|
};
|
|
Rule.metadata = {
|
|
description: "Requires that private variables are marked as `readonly` if they're never modified outside of the constructor.",
|
|
descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n If a private variable is only assigned to in the constructor, it should be declared as `readonly`.\n "], ["\n If a private variable is only assigned to in the constructor, it should be declared as \\`readonly\\`.\n "]))),
|
|
optionExamples: [true, [true, OPTION_ONLY_INLINE_LAMBDAS]],
|
|
options: {
|
|
enum: [OPTION_ONLY_INLINE_LAMBDAS],
|
|
type: "string",
|
|
},
|
|
optionsDescription: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n If `", "` is specified, only immediately-declared arrow functions are checked."], ["\n If \\`", "\\` is specified, only immediately-declared arrow functions are checked."])), OPTION_ONLY_INLINE_LAMBDAS),
|
|
rationale: Lint.Utils.dedent(templateObject_3 || (templateObject_3 = tslib_1.__makeTemplateObject(["\n Marking never-modified variables as readonly helps enforce the code's intent of keeping them as never-modified.\n It can also help prevent accidental changes of members not meant to be changed."], ["\n Marking never-modified variables as readonly helps enforce the code's intent of keeping them as never-modified.\n It can also help prevent accidental changes of members not meant to be changed."]))),
|
|
requiresTypeInfo: true,
|
|
ruleName: "prefer-readonly",
|
|
type: "maintainability",
|
|
typescriptOnly: true,
|
|
};
|
|
return Rule;
|
|
}(Lint.Rules.TypedRule));
|
|
exports.Rule = Rule;
|
|
function walk(context, typeChecker) {
|
|
if (context.sourceFile.isDeclarationFile) {
|
|
return;
|
|
}
|
|
var scope;
|
|
ts.forEachChild(context.sourceFile, visitNode);
|
|
function visitNode(node) {
|
|
if (utils.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword)) {
|
|
return;
|
|
}
|
|
switch (node.kind) {
|
|
case ts.SyntaxKind.ClassDeclaration:
|
|
case ts.SyntaxKind.ClassExpression:
|
|
handleClassDeclarationOrExpression(node);
|
|
break;
|
|
case ts.SyntaxKind.Constructor:
|
|
handleConstructor(node);
|
|
break;
|
|
case ts.SyntaxKind.PropertyDeclaration:
|
|
handlePropertyDeclaration(node);
|
|
break;
|
|
case ts.SyntaxKind.PropertyAccessExpression:
|
|
if (scope !== undefined) {
|
|
handlePropertyAccessExpression(node, node.parent);
|
|
}
|
|
break;
|
|
default:
|
|
// tslint:disable:deprecation This is needed for https://github.com/palantir/tslint/pull/4274 and will be fixed once TSLint
|
|
// requires tsutils > 3.0.
|
|
if (utils_1.isFunctionScopeBoundary(node)) {
|
|
// tslint:enable:deprecation
|
|
handleFunctionScopeBoundary(node);
|
|
}
|
|
else {
|
|
ts.forEachChild(node, visitNode);
|
|
}
|
|
}
|
|
}
|
|
function handleFunctionScopeBoundary(node) {
|
|
if (scope === undefined) {
|
|
ts.forEachChild(node, visitNode);
|
|
return;
|
|
}
|
|
scope.enterNonConstructorScope();
|
|
ts.forEachChild(node, visitNode);
|
|
scope.exitNonConstructorScope();
|
|
}
|
|
function handleClassDeclarationOrExpression(node) {
|
|
var parentScope = scope;
|
|
var childScope = (scope = new ClassScope(node, typeChecker));
|
|
ts.forEachChild(node, visitNode);
|
|
finalizeScope(childScope);
|
|
scope = parentScope;
|
|
}
|
|
function handleConstructor(node) {
|
|
scope.enterConstructor();
|
|
for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) {
|
|
var parameter = _a[_i];
|
|
if (utils.isModifierFlagSet(parameter, ts.ModifierFlags.Private)) {
|
|
scope.addDeclaredVariable(parameter);
|
|
}
|
|
}
|
|
ts.forEachChild(node, visitNode);
|
|
scope.exitConstructor();
|
|
}
|
|
function handlePropertyDeclaration(node) {
|
|
if (!shouldPropertyDeclarationBeIgnored(node)) {
|
|
scope.addDeclaredVariable(node);
|
|
}
|
|
ts.forEachChild(node, visitNode);
|
|
}
|
|
function handlePropertyAccessExpression(node, parent) {
|
|
switch (parent.kind) {
|
|
case ts.SyntaxKind.BinaryExpression:
|
|
handleParentBinaryExpression(node, parent);
|
|
break;
|
|
case ts.SyntaxKind.DeleteExpression:
|
|
handleDeleteExpression(node);
|
|
break;
|
|
case ts.SyntaxKind.PostfixUnaryExpression:
|
|
case ts.SyntaxKind.PrefixUnaryExpression:
|
|
handleParentPostfixOrPrefixUnaryExpression(parent);
|
|
}
|
|
ts.forEachChild(node, visitNode);
|
|
}
|
|
function handleParentBinaryExpression(node, parent) {
|
|
if (parent.left === node && utils.isAssignmentKind(parent.operatorToken.kind)) {
|
|
scope.addVariableModification(node);
|
|
}
|
|
}
|
|
function handleParentPostfixOrPrefixUnaryExpression(node) {
|
|
if (node.operator === ts.SyntaxKind.PlusPlusToken ||
|
|
node.operator === ts.SyntaxKind.MinusMinusToken) {
|
|
scope.addVariableModification(node.operand);
|
|
}
|
|
}
|
|
function handleDeleteExpression(node) {
|
|
scope.addVariableModification(node);
|
|
}
|
|
function shouldPropertyDeclarationBeIgnored(node) {
|
|
if (!context.options.onlyInlineLambdas) {
|
|
return false;
|
|
}
|
|
return (node.initializer === undefined || node.initializer.kind !== ts.SyntaxKind.ArrowFunction);
|
|
}
|
|
function finalizeScope(childScope) {
|
|
for (var _i = 0, _a = childScope.finalizeUnmodifiedPrivateNonReadonlys(); _i < _a.length; _i++) {
|
|
var violatingNode = _a[_i];
|
|
complainOnNode(violatingNode);
|
|
}
|
|
}
|
|
function complainOnNode(node) {
|
|
var fix = Lint.Replacement.appendText(node.modifiers.end, " readonly");
|
|
context.addFailureAtNode(node.name, createFailureString(node), fix);
|
|
}
|
|
}
|
|
function createFailureString(node) {
|
|
var accessibility = utils.isModifierFlagSet(node, ts.ModifierFlags.Static)
|
|
? "static"
|
|
: "member";
|
|
var text = node.name.getText();
|
|
return "Private " + accessibility + " variable '" + text + "' is never reassigned; mark it as 'readonly'.";
|
|
}
|
|
var OUTSIDE_CONSTRUCTOR = -1;
|
|
var DIRECTLY_INSIDE_CONSTRUCTOR = 0;
|
|
var ClassScope = /** @class */ (function () {
|
|
function ClassScope(classNode, typeChecker) {
|
|
this.privateModifiableMembers = new Map();
|
|
this.privateModifiableStatics = new Map();
|
|
this.memberVariableModifications = new Set();
|
|
this.staticVariableModifications = new Set();
|
|
this.constructorScopeDepth = OUTSIDE_CONSTRUCTOR;
|
|
this.classType = typeChecker.getTypeAtLocation(classNode);
|
|
this.typeChecker = typeChecker;
|
|
}
|
|
ClassScope.prototype.addDeclaredVariable = function (node) {
|
|
if (!utils.isModifierFlagSet(node, ts.ModifierFlags.Private) ||
|
|
utils.isModifierFlagSet(node, ts.ModifierFlags.Readonly) ||
|
|
node.name.kind === ts.SyntaxKind.ComputedPropertyName) {
|
|
return;
|
|
}
|
|
if (utils.isModifierFlagSet(node, ts.ModifierFlags.Static)) {
|
|
this.privateModifiableStatics.set(node.name.getText(), node);
|
|
}
|
|
else {
|
|
this.privateModifiableMembers.set(node.name.getText(), node);
|
|
}
|
|
};
|
|
ClassScope.prototype.addVariableModification = function (node) {
|
|
var modifierType = this.typeChecker.getTypeAtLocation(node.expression);
|
|
if (modifierType.symbol === undefined ||
|
|
!typeUtils_1.typeIsOrHasBaseType(modifierType, this.classType)) {
|
|
return;
|
|
}
|
|
var toStatic = utils.isObjectType(modifierType) &&
|
|
utils.isObjectFlagSet(modifierType, ts.ObjectFlags.Anonymous);
|
|
if (!toStatic && this.constructorScopeDepth === DIRECTLY_INSIDE_CONSTRUCTOR) {
|
|
return;
|
|
}
|
|
var variable = node.name.text;
|
|
(toStatic ? this.staticVariableModifications : this.memberVariableModifications).add(variable);
|
|
};
|
|
ClassScope.prototype.enterConstructor = function () {
|
|
this.constructorScopeDepth = DIRECTLY_INSIDE_CONSTRUCTOR;
|
|
};
|
|
ClassScope.prototype.exitConstructor = function () {
|
|
this.constructorScopeDepth = OUTSIDE_CONSTRUCTOR;
|
|
};
|
|
ClassScope.prototype.enterNonConstructorScope = function () {
|
|
if (this.constructorScopeDepth !== OUTSIDE_CONSTRUCTOR) {
|
|
this.constructorScopeDepth += 1;
|
|
}
|
|
};
|
|
ClassScope.prototype.exitNonConstructorScope = function () {
|
|
if (this.constructorScopeDepth !== OUTSIDE_CONSTRUCTOR) {
|
|
this.constructorScopeDepth -= 1;
|
|
}
|
|
};
|
|
ClassScope.prototype.finalizeUnmodifiedPrivateNonReadonlys = function () {
|
|
var _this = this;
|
|
this.memberVariableModifications.forEach(function (variableName) {
|
|
_this.privateModifiableMembers.delete(variableName);
|
|
});
|
|
this.staticVariableModifications.forEach(function (variableName) {
|
|
_this.privateModifiableStatics.delete(variableName);
|
|
});
|
|
return Array.from(this.privateModifiableMembers.values()).concat(Array.from(this.privateModifiableStatics.values()));
|
|
};
|
|
return ClassScope;
|
|
}());
|
|
var templateObject_1, templateObject_2, templateObject_3;
|