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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/banCommaOperatorRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/banCommaOperatorRule.js
new file mode 100644 (file)
index 0000000..194d3ec
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/banCommaOperatorRule.js
@@ -0,0 +1,63 @@
+"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 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 max-line-length */
+    Rule.metadata = {
+        ruleName: "ban-comma-operator",
+        description: "Disallows the comma operator to be used.",
+        descriptionDetails: "[Read more about the comma operator here](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comma_Operator).",
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            Using the comma operator can create a potential for many non-obvious bugs or lead to misunderstanding of code.\n\n            ### Examples\n            ```\n            foo((bar, baz)); // evaluates to 'foo(baz)' because of the extra parens - confusing and not obvious\n            ```\n\n            ```\n            switch (foo) {\n                case 1, 2: // equals 'case 2' - probably intended 'case 1: case2:'\n                    return true;\n                case 3:\n                    return false;\n            }\n            ```\n\n            ```\n            let x = (y = 1, z = 2); // x is equal to 2 - this may not be immediately obvious.\n            ```\n        "], ["\n            Using the comma operator can create a potential for many non-obvious bugs or lead to misunderstanding of code.\n\n            ### Examples\n            \\`\\`\\`\n            foo((bar, baz)); // evaluates to 'foo(baz)' because of the extra parens - confusing and not obvious\n            \\`\\`\\`\n\n            \\`\\`\\`\n            switch (foo) {\n                case 1, 2: // equals 'case 2' - probably intended 'case 1: case2:'\n                    return true;\n                case 3:\n                    return false;\n            }\n            \\`\\`\\`\n\n            \\`\\`\\`\n            let x = (y = 1, z = 2); // x is equal to 2 - this may not be immediately obvious.\n            \\`\\`\\`\n        "]))),
+        options: null,
+        optionsDescription: "",
+        optionExamples: [true],
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    /* tslint:enable:object-literal-sort-keys max-line-length */
+    Rule.FAILURE_STRING = "Do not use comma operator here because it can be easily misunderstood or lead to unintended bugs.";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(ctx) {
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isBinaryExpression(node) &&
+            node.operatorToken.kind === ts.SyntaxKind.CommaToken &&
+            !isForLoopIncrementor(node)) {
+            ctx.addFailureAtNode(node, Rule.FAILURE_STRING);
+        }
+        return ts.forEachChild(node, cb);
+    });
+}
+function isForLoopIncrementor(node) {
+    var parent = node.parent;
+    return (parent.kind === ts.SyntaxKind.ForStatement &&
+        parent.incrementor === node);
+}
+var templateObject_1;