37 lines
1.2 KiB
TypeScript
37 lines
1.2 KiB
TypeScript
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// Copyright 2016-2018, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import * as ts from "typescript";
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const legalNameRegex = /^[a-zA-Z_][0-9a-zA-Z_]*$/;
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export function isLegalMemberName(n: string) {
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return legalNameRegex.test(n);
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}
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export function isLegalFunctionName(n: string) {
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if (!isLegalMemberName(n)) {
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return false;
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}
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const scanner = ts.createScanner(
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ts.ScriptTarget.Latest, /*skipTrivia:*/false, ts.LanguageVariant.Standard, n);
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const tokenKind = scanner.scan();
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if (tokenKind !== ts.SyntaxKind.Identifier &&
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tokenKind !== ts.SyntaxKind.ConstructorKeyword) {
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return false;
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}
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return true;
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}
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