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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/forinRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/forinRule.js
new file mode 100644 (file)
index 0000000..e515a75
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+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/forinRule.js
@@ -0,0 +1,73 @@
+"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_1 = 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);
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "forin",
+        description: "Requires a `for ... in` statement to be filtered with an `if` statement.",
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            ```ts\n            for (let key in someObject) {\n                if (someObject.hasOwnProperty(key)) {\n                    // code here\n                }\n            }\n            ```\n            Prevents accidental iteration over properties inherited from an object's prototype.\n            See [MDN's `for...in`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in)\n            documentation for more information about `for...in` loops.\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            \\`\\`\\`ts\n            for (let key in someObject) {\n                if (someObject.hasOwnProperty(key)) {\n                    // code here\n                }\n            }\n            \\`\\`\\`\n            Prevents accidental iteration over properties inherited from an object's prototype.\n            See [MDN's \\`for...in\\`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in)\n            documentation for more information about \\`for...in\\` loops.\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        "]))),
+        optionsDescription: "Not configurable.",
+        options: null,
+        optionExamples: [true],
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = "for (... in ...) statements must be filtered with an if statement";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isForInStatement(node) && tsutils_1.isBlock(node.statement) && !isFiltered(node.statement)) {
+            ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
+        }
+        return ts.forEachChild(node, cb);
+    });
+}
+function isFiltered(_a) {
+    var statements = _a.statements;
+    switch (statements.length) {
+        case 0:
+            return true;
+        case 1:
+            return statements[0].kind === ts.SyntaxKind.IfStatement;
+        default:
+            return (statements[0].kind === ts.SyntaxKind.IfStatement &&
+                nodeIsContinue(statements[0].thenStatement));
+    }
+}
+function nodeIsContinue(node) {
+    return (node.kind === ts.SyntaxKind.ContinueStatement ||
+        (tsutils_1.isBlock(node) &&
+            node.statements.length === 1 &&
+            node.statements[0].kind === ts.SyntaxKind.ContinueStatement));
+}
+var templateObject_1;