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* @file
* Node.js API.
*
* @license
* Open Chinese Convert
*
* Copyright 2010-2014 Carbo Kuo <byvoid@byvoid.com>
*
* 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.
*/
/**
* @defgroup node_api Node.js API
*
* Node.js language binding
*/
const path = require('path');
const bindingPath = require('@mapbox/node-pre-gyp').find(require.resolve('../package.json'));
const binding = require(bindingPath);
const assetsPath = path.dirname(bindingPath);
const getConfigPath = function (config) {
let configPath = config;
if (config[0] !== '/' && config[1] !== ':') {
// Resolve relative path
configPath = path.join(assetsPath, config);
}
return configPath;
};
/**
* OpenCC Node.js API
*
* @class OpenCC
* @constructor
* @ingroup node_api
*/
const OpenCC = module.exports = function (config) {
if (!config) {
config = 's2t.json';
}
config = getConfigPath(config);
this.handler = new binding.Opencc(config);
};
// This is to support both CommonJS and ES module.
OpenCC.OpenCC = OpenCC;
/**
* The version of OpenCC library.
*
* @fn OpenCC.version
* @memberof OpenCC
* @ingroup node_api
*/
OpenCC.version = binding.Opencc.version();
/**
* Generates dictionary from another format.
*
* @fn string generateDict(string inputFileName, string outputFileName, string formatFrom, string formatTo)
* @memberof OpenCC
* @param inputFileName Input dictionary filename.
* @param outputFileName Output dictionary filename.
* @param formatFrom Input dictionary format.
* @param formatTo Input dictionary format.
* @ingroup node_api
*/
OpenCC.generateDict = function (inputFileName, outputFileName,
formatFrom, formatTo) {
return binding.Opencc.generateDict(inputFileName, outputFileName,
formatFrom, formatTo);
}
/**
* Converts input text.
*
* @fn void convert(string input, function callback)
* @memberof OpenCC
* @param input Input text.
* @param callback Callback function(err, convertedText).
* @ingroup node_api
*/
OpenCC.prototype.convert = function (input, callback) {
return this.handler.convert(input.toString(), callback);
};
/**
* Converts input text.
*
* @fn string convertSync(string input)
* @memberof OpenCC
* @param input Input text.
* @return Converted text.
* @ingroup node_api
*/
OpenCC.prototype.convertSync = function (input) {
return this.handler.convertSync(input.toString());
};
/**
* Converts input text asynchronously and returns a Promise.
*
* @fn Promise convertPromise(string input)
* @memberof OpenCC
* @param input Input text.
* @return The Promise that will yield the converted text.
* @ingroup node_api
*/
OpenCC.prototype.convertPromise = function (input) {
const self = this;
return new Promise(function (resolve, reject) {
self.handler.convert(input.toString(), function (err, text) {
if (err) reject(err);
else resolve(text);
});
});
};
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