blob: 92e0e526e72662116eeb2027ec64d0fcd3bc0ac0 (
plain) (
blame)
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
|
/*** EXPORT ------------------------------------------- ***/
export interface DocumentMeta {
abstract: string;
category: string;
date: string;
document: string;
title: string;
}
export default (input: string): DocumentMeta => {
/*** NOTE
This is extremely fragile, the source document must be formatted
specifically. This is my blog so who cares? ***/
const lines = input.split("\n");
/*** extract document ID ***/
const documentMatch = lines[1]?.match(/^Document:\s+(\S+)/);
const document = documentMatch?.[1] ?? "";
/*** extract category ***/
const categoryMatch = lines[2]?.match(/^Category:\s+(\S+)/);
const category = categoryMatch?.[1] ?? "";
/*** extract date ***/
const dateMatch = lines[2]?.match(/\d{4}.\d{2}.\d{2}/);
const date = dateMatch?.[0] ?? "";
/*** find title (first non-empty line after the header block) ***/
let title = "";
let titleIndex = -1;
for (let i = 3; i < lines.length; i++) {
const trimmed = lines[i].trim();
if (trimmed && trimmed !== "Abstract") {
title = trimmed;
titleIndex = i;
break;
}
}
/*** extract abstract (content between "Abstract" and "Body") ***/
let abstract = "";
let inAbstract = false;
for (let i = titleIndex + 1; i < lines.length; i++) {
const trimmed = lines[i].trim();
if (trimmed === "Abstract") {
inAbstract = true;
continue;
}
if (trimmed === "Body")
break;
if (inAbstract && trimmed)
abstract += (abstract ? " " : "") + trimmed;
}
return {
abstract,
category,
date,
document,
title
};
}
|
