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
|
'use strict';
import {createHash} from 'node:crypto';
import {mkdir, writeFile} from 'node:fs/promises';
import * as path from 'node:path';
import {compress} from 'compress-json';
import FlexSearch from 'flexsearch';
import {pack} from 'msgpackr';
import {logWarn} from '#cli';
import {makeSearchIndex, populateSearchIndex, searchSpec} from '#search-spec';
import {stitchArrays} from '#sugar';
import {checkIfImagePathHasCachedThumbnails, getThumbnailEqualOrSmaller}
from '#thumbs';
async function serializeIndex(index) {
const results = {};
await index.export((key, data) => {
if (data === undefined) {
return;
}
if (typeof data !== 'string') {
logWarn`Got something besides a string from index.export(), skipping:`;
console.warn(key, data);
return;
}
results[key] = JSON.parse(data);
});
return results;
}
export async function writeSearchData({
thumbsCache,
urls,
wikiCachePath,
wikiData,
}) {
if (!wikiCachePath) {
throw new Error(`Expected wikiCachePath to write into`);
}
// Basic flow is:
// 1. Define schema for type
// 2. Add documents to index
// 3. Save index to exportable json
const keys =
Object.keys(searchSpec);
const descriptors =
Object.values(searchSpec);
const indexes =
descriptors
.map(descriptor =>
makeSearchIndex(descriptor, {FlexSearch}));
stitchArrays({
index: indexes,
descriptor: descriptors,
}).forEach(({index, descriptor}) =>
populateSearchIndex(index, descriptor, {
checkIfImagePathHasCachedThumbnails,
getThumbnailEqualOrSmaller,
thumbsCache,
urls,
wikiData,
}));
const serializedIndexes =
await Promise.all(indexes.map(serializeIndex));
const packedIndexes =
serializedIndexes
.map(data => compress(data))
.map(data => pack(data));
const outputDirectory =
path.join(wikiCachePath, 'search');
const mainIndexFile =
path.join(outputDirectory, 'index.json');
const mainIndexJSON =
JSON.stringify(
Object.fromEntries(
stitchArrays({
key: keys,
buffer: packedIndexes,
}).map(({key, buffer}) => {
const md5 = createHash('md5');
md5.write(buffer);
const value = {
md5: md5.digest('hex'),
};
return [key, value];
})));
await mkdir(outputDirectory, {recursive: true});
await Promise.all(
stitchArrays({
key: keys,
buffer: packedIndexes,
}).map(({key, buffer}) =>
writeFile(
path.join(outputDirectory, key + '.json.msgpack'),
buffer)));
await writeFile(mainIndexFile, mainIndexJSON);
}
|
