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74 lines
2.2 KiB
74 lines
2.2 KiB
2 months ago
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"use strict";
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// Copyright 2021-2024 Buf Technologies, Inc.
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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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Object.defineProperty(exports, "__esModule", { value: true });
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exports.protoCamelCase = protoCamelCase;
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exports.safeObjectProperty = safeObjectProperty;
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/**
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* Converts snake_case to protoCamelCase according to the convention
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* used by protoc to convert a field name to a JSON name.
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*/
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function protoCamelCase(snakeCase) {
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let capNext = false;
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const b = [];
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for (let i = 0; i < snakeCase.length; i++) {
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let c = snakeCase.charAt(i);
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switch (c) {
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case "_":
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capNext = true;
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break;
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case "0":
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case "1":
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case "2":
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case "3":
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case "4":
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case "5":
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case "6":
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case "7":
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case "8":
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case "9":
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b.push(c);
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capNext = false;
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break;
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default:
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if (capNext) {
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capNext = false;
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c = c.toUpperCase();
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}
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b.push(c);
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break;
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}
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}
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return b.join("");
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}
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/**
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* Names that cannot be used for object properties because they are reserved
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* by built-in JavaScript properties.
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*/
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const reservedObjectProperties = new Set([
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// names reserved by JavaScript
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"constructor",
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"toString",
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"toJSON",
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"valueOf",
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]);
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/**
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* Escapes names that are reserved for ECMAScript built-in object properties.
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*
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* Also see safeIdentifier() from @bufbuild/protoplugin.
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*/
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function safeObjectProperty(name) {
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return reservedObjectProperties.has(name) ? name + "$" : name;
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}
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