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master @ 49 LINES
 
[ HISTORY ]  [ UP ]
 

---
// Emits the same markup as the ```diff pipeline output, so Prose's
// code-block styles and the layout's copy handler apply unchanged.
// Assembled as an HTML string: the Astro compiler can't nest expression
// children inside a raw <pre> tag.
import { G } from "../../lib/ascii";
import { FRAME_W, MOBILE_FRAME_W } from "../../lib/config";
import { layoutDiff, type Props } from "./Diff";
// The wrapper carries .prose so these selectors match - without the
// import, pages that never render Prose leave the copy button and
// diff classes unstyled.
import "../Prose/Prose.scss";

const { code } = Astro.props as Props;
const raw = code.replace(/\n+$/, "");

const esc = (s: string) =>
  s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
const frame = (s: string) =>
  `<span class="code-frame" aria-hidden="true">${esc(s)}</span>`;

function renderCode(w: number): string {
  const parts: string[] = [
    frame(G.TL + G.H + " DIFF " + G.H.repeat(w - 12 - 6)),
    '<button type="button" class="code-copy" aria-label="Copy code">[ COPY ]</butt
on>',
    frame(G.H + G.TR),
    "\n",
  ];
  for (const r of layoutDiff(code, w)) {
    parts.push(frame(G.V + " "));
    parts.push(r.cls ? `<span class="${r.cls}">${esc(r.text)}</span>` : esc(r.text
));
    parts.push(frame(" ".repeat(r.pad) + " " + G.V));
    parts.push("\n");
  }
  parts.push(frame(G.BL + G.H.repeat(w - 2) + G.BR));
  return `<code>${parts.join("")}</code>`;
}

const variants = [
  { cls: "frame-wide", w: FRAME_W },
  { cls: "frame-narrow", w: MOBILE_FRAME_W },
];
---
<div class="code-frames prose">
  {variants.map(({ cls, w }) => (
    <pre class={"ascii code-block " + cls} data-raw-code={raw} set:html={renderCod
e(w)} />
  ))}
</div>


---
// Emits the same markup as the ```diff pipe
line output, so Prose's
// code-block styles and the layout's copy h
andler apply unchanged.
// Assembled as an HTML string: the Astro co
mpiler can't nest expression
// children inside a raw <pre> tag.
import { G } from "../../lib/ascii";
import { FRAME_W, MOBILE_FRAME_W } from "../
../lib/config";
import { layoutDiff, type Props } from "./Di
ff";
// The wrapper carries .prose so these selec
tors match - without the
// import, pages that never render Prose lea
ve the copy button and
// diff classes unstyled.
import "../Prose/Prose.scss";

const { code } = Astro.props as Props;
const raw = code.replace(/\n+$/, "");

const esc = (s: string) =>
  s.replace(/&/g, "&amp;").replace(/</g, "&l
t;").replace(/>/g, "&gt;");
const frame = (s: string) =>
  `<span class="code-frame" aria-hidden="tru
e">${esc(s)}</span>`;

function renderCode(w: number): string {
  const parts: string[] = [
    frame(G.TL + G.H + " DIFF " + G.H.repeat
(w - 12 - 6)),
    '<button type="button" class="code-copy"
 aria-label="Copy code">[ COPY ]</button>',
    frame(G.H + G.TR),
    "\n",
  ];
  for (const r of layoutDiff(code, w)) {
    parts.push(frame(G.V + " "));
    parts.push(r.cls ? `<span class="${r.cls
}">${esc(r.text)}</span>` : esc(r.text));
    parts.push(frame(" ".repeat(r.pad) + " "
 + G.V));
    parts.push("\n");
  }
  parts.push(frame(G.BL + G.H.repeat(w - 2) 
+ G.BR));
  return `<code>${parts.join("")}</code>`;
}

const variants = [
  { cls: "frame-wide", w: FRAME_W },
  { cls: "frame-narrow", w: MOBILE_FRAME_W }
,
];
---
<div class="code-frames prose">
  {variants.map(({ cls, w }) => (
    <pre class={"ascii code-block " + cls} d
ata-raw-code={raw} set:html={renderCode(w)} 
/>
  ))}
</div>

 
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