lini 0.9.0

Pretty diagrams from plain text, with fine-grained control. Compiles to clean, themeable SVG.
Documentation 
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

<!doctype html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <title>lini — {{TITLE}}</title>
        <style>
            * {
                box-sizing: border-box;
            }
            html,
            body {
                margin: 0;
                height: 100%;
            }
            body {
                font:
                    13px/1.4 system-ui,
                    -apple-system,
                    sans-serif;
                background: #1c1c1c;
                display: flex;
                flex-direction: column;
            }
            header {
                flex: 0 0 auto;
                padding: 8px 16px;
                background: #111;
                color: #eee;
                border-bottom: 1px solid #333;
                display: flex;
                gap: 16px;
                align-items: center;
            }
            header strong {
                color: #6ab7ff;
                letter-spacing: 0.5px;
            }
            .status {
                font-size: 12px;
                color: #888;
                margin-left: auto;
            }
            .status.ok {
                color: #5fcf5f;
            }
            .status.err {
                color: #ff6666;
            }
            main {
                flex: 1 1 auto;
                overflow: auto;
                padding: 24px;
                display: flex;
                align-items: center;
                justify-content: center;
                background: #2a2a2a;
            }
            #svg-host {
                background: white;
                padding: 16px;
                border-radius: 6px;
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
                max-width: 100%;
                max-height: 100%;
            }
            #svg-host svg {
                display: block;
                max-width: 100%;
                height: auto;
            }
            #error-host {
                display: none;
                background: #2a1010;
                color: #ffaaaa;
                padding: 16px;
                border-radius: 6px;
                border: 1px solid #5a2020;
                font:
                    12px/1.5 ui-monospace,
                    monospace;
                white-space: pre-wrap;
                max-width: 80ch;
            }
        </style>
    </head>
    <body>
        <header>
            <strong>lini serve</strong>
            <span>{{TITLE}}</span>
            <span class="status" id="status">connecting…</span>
        </header>
        <main>
            <div id="svg-host"></div>
            <div id="error-host"></div>
        </main>
        <script>
            const svgHost = document.getElementById("svg-host");
            const errHost = document.getElementById("error-host");
            const status = document.getElementById("status");

            function setStatus(text, cls) {
                status.textContent = text;
                status.className = "status" + (cls ? " " + cls : "");
            }

            async function reload() {
                try {
                    const r = await fetch("/svg", { cache: "no-store" });
                    const text = await r.text();
                    if (
                        r.headers
                            .get("content-type")
                            ?.startsWith("image/svg+xml")
                    ) {
                        svgHost.innerHTML = text;
                        svgHost.style.display = "block";
                        errHost.style.display = "none";
                        setStatus(
                            "rendered " + new Date().toLocaleTimeString(),
                            "ok",
                        );
                    } else {
                        // Compile error — body is plain text.
                        errHost.textContent = text;
                        errHost.style.display = "block";
                        svgHost.style.display = "none";
                        setStatus("compile error", "err");
                    }
                } catch (e) {
                    setStatus("fetch failed: " + e.message, "err");
                }
            }

            const events = new EventSource("/events");
            events.addEventListener("reload", () => reload());
            events.onopen = () => setStatus("watching", "ok");
            events.onerror = () => setStatus("disconnected (retrying…)", "err");

            reload();
        </script>
    </body>
</html>