58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.StringInternPool = exports.JsonStringInternalizer = void 0;
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/**
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* Copyright (c) Microsoft 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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*/
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class StringInternPool {
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constructor() {
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this._stringCache = new Map();
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}
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internString(s) {
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let result = this._stringCache.get(s);
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if (!result) {
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this._stringCache.set(s, s);
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result = s;
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}
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return result;
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}
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}
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exports.StringInternPool = StringInternPool;
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class JsonStringInternalizer {
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constructor(pool) {
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this._pool = void 0;
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this._pool = pool;
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}
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traverse(value) {
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if (typeof value !== 'object') return;
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if (Array.isArray(value)) {
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for (let i = 0; i < value.length; i++) {
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if (typeof value[i] === 'string') value[i] = this.intern(value[i]);else this.traverse(value[i]);
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}
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} else {
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for (const name in value) {
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if (typeof value[name] === 'string') value[name] = this.intern(value[name]);else this.traverse(value[name]);
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}
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}
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}
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intern(value) {
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return this._pool.internString(value);
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}
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}
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exports.JsonStringInternalizer = JsonStringInternalizer; |