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
|
const { src, dest, task, series } = require('gulp');
const clean = require('gulp-clean');
const gzip = require('gulp-gzip');
const inlineSource = require('gulp-inline-source');
const rename = require('gulp-rename');
const through2 = require('through2');
const genHeader = (size, buf, len) => {
let idx = 0;
let data = 'unsigned char index_html[] = {\n ';
for (const value of buf) {
idx++;
const current = value < 0 ? value + 256 : value;
data += '0x';
data += (current >>> 4).toString(16);
data += (current & 0xf).toString(16);
if (idx === len) {
data += '\n';
} else {
data += idx % 12 === 0 ? ',\n ' : ', ';
}
}
data += '};\n';
data += `unsigned int index_html_len = ${len};\n`;
data += `unsigned int index_html_size = ${size};\n`;
return data;
};
let fileSize = 0;
task('clean', () => {
return src('dist', { read: false, allowEmpty: true }).pipe(clean());
});
task('inline', () => {
return src('dist/index.html').pipe(inlineSource()).pipe(rename('inline.html')).pipe(dest('dist/'));
});
task(
'default',
series('inline', () => {
return src('dist/inline.html')
.pipe(
through2.obj((file, enc, cb) => {
fileSize = file.contents.length;
return cb(null, file);
})
)
.pipe(gzip())
.pipe(
through2.obj((file, enc, cb) => {
const buf = file.contents;
file.contents = Buffer.from(genHeader(fileSize, buf, buf.length));
return cb(null, file);
})
)
.pipe(rename('html.h'))
.pipe(dest('../src/'));
})
);
|
