64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
/*
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* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class Mecab {
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constructor() {
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this.listeners = {};
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this.sequence = 0;
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this.startListener();
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}
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async parseText(text) {
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return await this.invoke('parse_text', {text});
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}
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startListener() {
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this.port = chrome.runtime.connectNative('mecab');
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this.port.onMessage.addListener((message) => {
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const {sequence, data} = message;
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const {callback, timer} = this.listeners[sequence] || {};
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if (timer) {
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clearTimeout(timer);
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delete this.listeners[sequence];
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callback(data);
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}
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});
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}
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invoke(action, params) {
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return new Promise((resolve, reject) => {
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const sequence = this.sequence++;
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this.listeners[sequence] = {
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callback: (data) => {
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resolve(data);
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},
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timer: setTimeout(() => {
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delete this.listeners[sequence];
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reject(`Mecab invoke timed out in ${Mecab.timeout} ms`);
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}, 1000)
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}
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this.port.postMessage({action, params, sequence});
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});
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}
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}
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Mecab.timeout = 1000;
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