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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noStringThrowRule.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noStringThrowRule.js
new file mode 100644 (file)
index 0000000..183817d
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/tslint/lib/rules/noStringThrowRule.js
@@ -0,0 +1,87 @@
+"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_1 = require("tsutils");
+var ts = require("typescript");
+var Lint = require("../index");
+var noStringThrowRule_examples_1 = require("./code-examples/noStringThrowRule.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);
+    };
+    /* tslint:disable:object-literal-sort-keys */
+    Rule.metadata = {
+        ruleName: "no-string-throw",
+        description: "Flags throwing plain strings or concatenations of strings.",
+        hasFix: true,
+        options: null,
+        optionExamples: [true],
+        optionsDescription: "Not configurable.",
+        rationale: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n            Example \u2013 Doing it right\n\n            ```ts\n            // throwing an Error from typical function, whether sync or async\n            if (!productToAdd) {\n                throw new Error(\"How can I add new product when no value provided?\");\n            }\n            ```\n\n            Example \u2013 Anti Pattern\n\n            ```ts\n            // throwing a string lacks any stack trace information and other important data properties\n            if (!productToAdd) {\n                throw (\"How can I add new product when no value provided?\");\n            }\n            ```\n\n            Only Error objects contain a `.stack` member equivalent to the current stack trace.\n            Primitives such as strings do not.\n        "], ["\n            Example \u2013 Doing it right\n\n            \\`\\`\\`ts\n            // throwing an Error from typical function, whether sync or async\n            if (!productToAdd) {\n                throw new Error(\"How can I add new product when no value provided?\");\n            }\n            \\`\\`\\`\n\n            Example \u2013 Anti Pattern\n\n            \\`\\`\\`ts\n            // throwing a string lacks any stack trace information and other important data properties\n            if (!productToAdd) {\n                throw (\"How can I add new product when no value provided?\");\n            }\n            \\`\\`\\`\n\n            Only Error objects contain a \\`.stack\\` member equivalent to the current stack trace.\n            Primitives such as strings do not.\n        "]))),
+        codeExamples: noStringThrowRule_examples_1.codeExamples,
+        type: "functionality",
+        typescriptOnly: false,
+    };
+    /* tslint:enable:object-literal-sort-keys */
+    Rule.FAILURE_STRING = "Throwing plain strings (not instances of Error) gives no stack traces";
+    return Rule;
+}(Lint.Rules.AbstractRule));
+exports.Rule = Rule;
+function walk(ctx) {
+    var sourceFile = ctx.sourceFile;
+    return ts.forEachChild(ctx.sourceFile, function cb(node) {
+        if (tsutils_1.isThrowStatement(node)) {
+            var expression = node.expression;
+            if (expression !== undefined && isString(expression)) {
+                // To prevent this fix from creating invalid syntax, we must ensure that the "throw"
+                // token is succeeded by a space if no other characters precede the string literal.
+                var offset = expression.getStart() - node.getStart();
+                var numCharactersBetweenTokens = offset - "throw".length;
+                var newError = numCharactersBetweenTokens === 0 ? " new Error(" : "new Error(";
+                ctx.addFailureAtNode(node, Rule.FAILURE_STRING, [
+                    Lint.Replacement.appendText(expression.getStart(sourceFile), newError),
+                    Lint.Replacement.appendText(expression.getEnd(), ")"),
+                ]);
+            }
+        }
+        return ts.forEachChild(node, cb);
+    });
+}
+function isString(node) {
+    switch (node.kind) {
+        case ts.SyntaxKind.StringLiteral:
+        case ts.SyntaxKind.NoSubstitutionTemplateLiteral:
+        case ts.SyntaxKind.TemplateExpression:
+            return true;
+        case ts.SyntaxKind.BinaryExpression: {
+            var _a = node, operatorToken = _a.operatorToken, left = _a.left, right = _a.right;
+            return (operatorToken.kind === ts.SyntaxKind.PlusToken &&
+                (isString(left) || isString(right)));
+        }
+        case ts.SyntaxKind.ParenthesizedExpression:
+            return isString(node.expression);
+        default:
+            return false;
+    }
+}
+var templateObject_1;