1 files changed, 5 insertions, 2 deletions
diff --git a/node_modules/tslint/lib/rules/noUnboundMethodRule.js b/node_modules/tslint/lib/rules/noUnboundMethodRule.js
index 153550c57..d8085193a 100644
--- a/node_modules/tslint/lib/rules/noUnboundMethodRule.js
+++ b/node_modules/tslint/lib/rules/noUnboundMethodRule.js
@@ -34,13 +34,14 @@ var Rule = /** @class */ (function (_super) {
     /* tslint:disable:object-literal-sort-keys */
     Rule.metadata = {
         ruleName: "no-unbound-method",
-        description: "Warns when a method is used as outside of a method call.",
+        description: "Warns when a method is used outside of a method call.",
         optionsDescription: "You may optionally pass \"" + OPTION_IGNORE_STATIC + "\" to ignore static methods.",
         options: {
             type: "string",
             enum: [OPTION_IGNORE_STATIC],
         },
         optionExamples: [true, [true, OPTION_IGNORE_STATIC]],
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            Class functions don't preserve the class scope when passed as standalone variables.\n            For example, this code will log the global scope (`window`/`global`), not the class instance:\n\n            ```\n            class MyClass {\n                public log(): void {\n                    console.log(this);\n                }\n            }\n\n            const instance = new MyClass();\n            const log = instance.log;\n\n            log();\n            ```\n\n            You need to either use an arrow lambda (`() => {...}`) or call the function with the correct scope.\n\n            ```\n            class MyClass {\n                public logArrowBound = (): void => {\n                    console.log(bound);\n                };\n\n                public logManualBind(): void {\n                    console.log(this);\n                }\n            }\n\n            const instance = new MyClass();\n            const logArrowBound = instance.logArrowBound;\n            const logManualBind = instance.logManualBind.bind(instance);\n\n            logArrowBound();\n            logManualBind();\n            ```\n        "], ["\n            Class functions don't preserve the class scope when passed as standalone variables.\n            For example, this code will log the global scope (\\`window\\`/\\`global\\`), not the class instance:\n\n            \\`\\`\\`\n            class MyClass {\n                public log(): void {\n                    console.log(this);\n                }\n            }\n\n            const instance = new MyClass();\n            const log = instance.log;\n\n            log();\n            \\`\\`\\`\n\n            You need to either use an arrow lambda (\\`() => {...}\\`) or call the function with the correct scope.\n\n            \\`\\`\\`\n            class MyClass {\n                public logArrowBound = (): void => {\n                    console.log(bound);\n                };\n\n                public logManualBind(): void {\n                    console.log(this);\n                }\n            }\n\n            const instance = new MyClass();\n            const logArrowBound = instance.logArrowBound;\n            const logManualBind = instance.logManualBind.bind(instance);\n\n            logArrowBound();\n            logManualBind();\n            \\`\\`\\`\n        "]))),
         type: "functionality",
         typescriptOnly: true,
         requiresTypeInfo: true,
@@ -78,8 +79,9 @@ function isSafeUse(node) {
             return parent.expression === node;
         case ts.SyntaxKind.TaggedTemplateExpression:
             return parent.tag === node;
-        // E.g. `obj.method.bind(obj)`.
+        // E.g. `obj.method.bind(obj) or obj.method["prop"]`.
         case ts.SyntaxKind.PropertyAccessExpression:
+        case ts.SyntaxKind.ElementAccessExpression:
             return true;
         // Allow most binary operators, but don't allow e.g. `myArray.forEach(obj.method || otherObj.otherMethod)`.
         case ts.SyntaxKind.BinaryExpression:
@@ -102,3 +104,4 @@ function isSafeUse(node) {
             return false;
     }
 }
+var templateObject_1;