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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noAsyncWithoutAwaitRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noAsyncWithoutAwaitRule.js
new file mode 100644 (file)
index 0000000..26c6949
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noAsyncWithoutAwaitRule.js
@@ -0,0 +1,110 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2018 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 noAsyncWithoutAwait_examples_1 = require("./code-examples/noAsyncWithoutAwait.examples");
+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.FAILURE_STRING = "Functions marked async must contain an await or return statement.";
+    Rule.metadata = {
+        codeExamples: noAsyncWithoutAwait_examples_1.codeExamples,
+        description: Rule.FAILURE_STRING,
+        hasFix: false,
+        optionExamples: [true],
+        options: null,
+        optionsDescription: "Not configurable.",
+        /* tslint:disable:max-line-length */
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n        Marking a function as `async` without using `await` or returning a value inside it can lead to an unintended promise return and a larger transpiled output.\n        Often the function can be synchronous and the `async` keyword is there by mistake.\n        Return statements are allowed as sometimes it is desirable to wrap the returned value in a Promise."], ["\n        Marking a function as \\`async\\` without using \\`await\\` or returning a value inside it can lead to an unintended promise return and a larger transpiled output.\n        Often the function can be synchronous and the \\`async\\` keyword is there by mistake.\n        Return statements are allowed as sometimes it is desirable to wrap the returned value in a Promise."]))),
+        /* tslint:enable:max-line-length */
+        ruleName: "no-async-without-await",
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(context) {
+    var reportFailureIfAsyncFunction = function (node) {
+        var asyncModifier = getAsyncModifier(node);
+        if (asyncModifier !== undefined) {
+            context.addFailureAt(asyncModifier.getStart(), asyncModifier.getEnd() - asyncModifier.getStart(), Rule.FAILURE_STRING);
+        }
+    };
+    var addFailureIfAsyncFunctionHasNoAwait = function (node) {
+        if (node.body === undefined) {
+            if (node.type === undefined) {
+                reportFailureIfAsyncFunction(node);
+            }
+            return;
+        }
+        if (!isShortArrowReturn(node) &&
+            !functionBlockHasAwait(node.body) &&
+            !functionBlockHasReturn(node.body)) {
+            reportFailureIfAsyncFunction(node);
+        }
+    };
+    return ts.forEachChild(context.sourceFile, function visitNode(node) {
+        if (tsutils.isArrowFunction(node) ||
+            tsutils.isFunctionDeclaration(node) ||
+            tsutils.isFunctionExpression(node) ||
+            tsutils.isMethodDeclaration(node)) {
+            addFailureIfAsyncFunctionHasNoAwait(node);
+        }
+        return ts.forEachChild(node, visitNode);
+    });
+}
+var getAsyncModifier = function (node) {
+    if (node.modifiers !== undefined) {
+        return node.modifiers.find(function (modifier) { return modifier.kind === ts.SyntaxKind.AsyncKeyword; });
+    }
+    return undefined;
+};
+var isReturn = function (node) { return node.kind === ts.SyntaxKind.ReturnKeyword; };
+var functionBlockHasAwait = function (node) {
+    if (tsutils.isAwaitExpression(node)) {
+        return true;
+    }
+    if (node.kind === ts.SyntaxKind.ArrowFunction ||
+        node.kind === ts.SyntaxKind.FunctionDeclaration) {
+        return false;
+    }
+    return node.getChildren().some(functionBlockHasAwait);
+};
+var functionBlockHasReturn = function (node) {
+    if (isReturn(node)) {
+        return true;
+    }
+    if (node.kind === ts.SyntaxKind.ArrowFunction ||
+        node.kind === ts.SyntaxKind.FunctionDeclaration) {
+        return false;
+    }
+    return node.getChildren().some(functionBlockHasReturn);
+};
+var isShortArrowReturn = function (node) {
+    return node.kind === ts.SyntaxKind.ArrowFunction && node.body.kind !== ts.SyntaxKind.Block;
+};
+var templateObject_1;