summaryrefslogtreecommitdiff
path: root/ext/bg/js/util.js
blob: c88c2768c96acd3585bed3b44a3042d932745cc6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/*
 * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
 * Author: Alex Yatskov <alex@foosoft.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

function utilIsolate(value) {
    if (value === null) { return null; }

    switch (typeof value) {
        case 'boolean':
        case 'number':
        case 'string':
        case 'bigint':
        case 'symbol':
            return value;
    }

    const stringValue = JSON.stringify(value);
    return typeof stringValue === 'string' ? JSON.parse(stringValue) : null;
}

function utilFunctionIsolate(func) {
    return function (...args) {
        try {
            args = args.map((v) => utilIsolate(v));
            return func.call(this, ...args);
        } catch (e) {
            try {
                String(func);
            } catch (e2) {
                // Dead object
                return;
            }
            throw e;
        }
    };
}

function utilBackgroundIsolate(data) {
    const backgroundPage = chrome.extension.getBackgroundPage();
    return backgroundPage.utilIsolate(data);
}

function utilBackgroundFunctionIsolate(func) {
    const backgroundPage = chrome.extension.getBackgroundPage();
    return backgroundPage.utilFunctionIsolate(func);
}

function utilSetEqual(setA, setB) {
    if (setA.size !== setB.size) {
        return false;
    }

    for (const value of setA) {
        if (!setB.has(value)) {
            return false;
        }
    }

    return true;
}

function utilSetIntersection(setA, setB) {
    return new Set(
        [...setA].filter((value) => setB.has(value))
    );
}

function utilSetDifference(setA, setB) {
    return new Set(
        [...setA].filter((value) => !setB.has(value))
    );
}

function utilStringHashCode(string) {
    let hashCode = 0;

    for (let i = 0, charCode = string.charCodeAt(i); i < string.length; charCode = string.charCodeAt(++i)) {
        hashCode = ((hashCode << 5) - hashCode) + charCode;
        hashCode |= 0;
    }

    return hashCode;
}

function utilBackend() {
    return chrome.extension.getBackgroundPage().yomichanBackend;
}

async function utilAnkiGetModelNames() {
    return utilIsolate(await utilBackend().anki.getModelNames());
}

async function utilAnkiGetDeckNames() {
    return utilIsolate(await utilBackend().anki.getDeckNames());
}

async function utilDatabaseGetDictionaryInfo() {
    return utilIsolate(await utilBackend().translator.database.getDictionaryInfo());
}

async function utilDatabaseGetDictionaryCounts(dictionaryNames, getTotal) {
    return utilIsolate(await utilBackend().translator.database.getDictionaryCounts(
        utilBackgroundIsolate(dictionaryNames),
        utilBackgroundIsolate(getTotal)
    ));
}

async function utilAnkiGetModelFieldNames(modelName) {
    return utilIsolate(await utilBackend().anki.getModelFieldNames(
        utilBackgroundIsolate(modelName)
    ));
}

async function utilDatabasePurge() {
    return utilIsolate(await utilBackend().translator.purgeDatabase());
}

async function utilDatabaseDeleteDictionary(dictionaryName, onProgress) {
    return utilIsolate(await utilBackend().translator.database.deleteDictionary(
        utilBackgroundIsolate(dictionaryName),
        utilBackgroundFunctionIsolate(onProgress)
    ));
}

async function utilDatabaseImport(data, onProgress, details) {
    data = await utilReadFile(data);
    return utilIsolate(await utilBackend().translator.database.importDictionary(
        utilBackgroundIsolate(data),
        utilBackgroundFunctionIsolate(onProgress),
        utilBackgroundIsolate(details)
    ));
}

function utilReadFile(file) {
    return new Promise((resolve, reject) => {
        const reader = new FileReader();
        reader.onload = () => resolve(reader.result);
        reader.onerror = () => reject(reader.error);
        reader.readAsBinaryString(file);
    });
}