.gitignore added

[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / tslint / lib / rules / noDynamicDeleteRule.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noDynamicDeleteRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noDynamicDeleteRule.js
new file mode 100644 (file)
index 0000000..e5c56cb
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noDynamicDeleteRule.js
@@ -0,0 +1,94 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2013 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 tsutils = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var Rule = /** @class */ (function (_super) {
+    tslib_1.__extends(Rule, _super);
+    function Rule() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    Rule.prototype.apply = function (sourceFile) {
+        return this.applyWithFunction(sourceFile, walk);
+    };
+    Rule.metadata = {
+        description: "Bans usage of the delete operator with computed key expressions.",
+        optionExamples: [true],
+        options: null,
+        optionsDescription: "Not configurable.",
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            Deleting dynamically computed keys is dangerous and not well optimized.\n\n            Also consider using a [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)\n            or [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)\n            if you're storing collections of objects.\n            Using `Object`s can cause occasional edge case bugs, such as if a key is named \"hasOwnProperty\".\n        "], ["\n            Deleting dynamically computed keys is dangerous and not well optimized.\n\n            Also consider using a [\\`Map\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)\n            or [\\`Set\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)\n            if you're storing collections of objects.\n            Using \\`Object\\`s can cause occasional edge case bugs, such as if a key is named \"hasOwnProperty\".\n        "]))),
+        ruleName: "no-dynamic-delete",
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    Rule.FAILURE_STRING = "Do not delete dynamically computed property keys.";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(context) {
+    function checkDeleteAccessExpression(node) {
+        if (node === undefined || !tsutils.isElementAccessExpression(node)) {
+            return;
+        }
+        var argumentExpression = node.argumentExpression;
+        if (argumentExpression === undefined || isNecessaryDynamicAccess(argumentExpression)) {
+            return;
+        }
+        var start = argumentExpression.getStart(context.sourceFile) - 1;
+        var width = argumentExpression.getWidth() + 2;
+        var fix;
+        if (tsutils.isPrefixUnaryExpression(argumentExpression)) {
+            var convertedOperand = convertUnaryOperand(argumentExpression);
+            if (convertedOperand !== undefined) {
+                fix = Lint.Replacement.replaceFromTo(start, start + width, "[" + convertedOperand + "]");
+            }
+        }
+        else if (tsutils.isStringLiteral(argumentExpression)) {
+            fix = Lint.Replacement.replaceFromTo(start, start + width, "." + argumentExpression.text);
+        }
+        context.addFailureAt(start, width, Rule.FAILURE_STRING, fix);
+    }
+    return ts.forEachChild(context.sourceFile, function callback(node) {
+        if (isDeleteExpression(node)) {
+            checkDeleteAccessExpression(node.expression);
+        }
+        return ts.forEachChild(node, callback);
+    });
+}
+function convertUnaryOperand(node) {
+    return tsutils.isNumericLiteral(node.operand) ? node.operand.text : undefined;
+}
+function isDeleteExpression(node) {
+    return node.kind === ts.SyntaxKind.DeleteExpression;
+}
+function isNumberLike(node) {
+    if (tsutils.isPrefixUnaryExpression(node)) {
+        return tsutils.isNumericLiteral(node.operand) && node.operator === ts.SyntaxKind.MinusToken;
+    }
+    return tsutils.isNumericLiteral(node);
+}
+function isNecessaryDynamicAccess(argumentExpression) {
+    if (isNumberLike(argumentExpression)) {
+        return true;
+    }
+    return (tsutils.isStringLiteral(argumentExpression) &&
+        !tsutils.isValidPropertyAccess(argumentExpression.text));
+}
+var templateObject_1;