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Waleed
66ac015c4c
* fix(library): generate every post cover from one template Three posts shipped an `ogImage` pointing at a file that was never committed, so the library index rendered broken images and their `og:image`, JSON-LD, and sitemap entries all 404'd. Several others were authored without the brand font loaded or with the title clipping off the bottom edge. Covers were hand-made per post with no generator, which is why they drifted. Adds `bun run library:covers`, rendering each cover from the post's frontmatter title using the reference template already encoded in the docs OG route, and regenerates all 20 so the grid is uniform. Line widths come from the font's real advance metrics rather than an average-glyph-width estimate: the template joins words with non-breaking spaces to dodge a Satori space-measurement bug, which leaves hyphens as the only fallback break points, so an under-measured line breaks mid-compound. Also drops six orphaned `cover.png` sources left over from the JPEG compression pass in #5528. * fix(library): re-render covers every run and add a sync check Covers are derived artifacts, so skipping outputs that already exist left an image showing the old title after a post's frontmatter `title` changed. Every run now re-renders from scratch; rendering is deterministic, so an unchanged title re-encodes to identical bytes and a full run stays a no-op in git. Replaces `--force` (now the default) with `--check`, which renders in memory and compares against the committed bytes without writing, so CI can catch both a stale cover and the missing-cover case that caused the original breakage. * fix(library): compare decoded pixels in the cover sync check Byte-equality on the mozjpeg output assumed portable encoder bytes. libvips/mozjpeg does not guarantee that across OS and CPU, so identical input can encode differently on a contributor's machine or a Linux CI runner and fail the check for no real reason — exactly where the check was meant to run. Decodes both images to greyscale and compares mean absolute difference instead, which discards encoder variance while still testing what the check is about. Measured on this cover set: re-encoding an identical render with a deliberately different encoder moves it ~0.26, a one-word title change moves it ~12; the threshold of 2 sits between them with ~8x margin. * fix(library): count redrawn pixels in the cover sync check Averaging the difference diluted a local edit across all 810,000 pixels. Changing a title's "2026" to "2027" moved the mean by 0.42 — under the tolerance that absorbed encoder noise — so the check passed a cover still showing the old year. Counts pixels that moved more than 48 greyscale levels instead. Measured on this cover set, that one-character edit redraws 2,559 pixels while three deliberately different encodes of an identical render (quality 60/70 without mozjpeg, quality 95 with) redraw none, so the count separates real drift from encoder variance in both directions. * fix(library): parse frontmatter with gray-matter and split oversized tokens Two issues in the cover generator, neither reachable from a current title. The hand-rolled frontmatter regex could disagree with `gray-matter`, which is what renders the page and its `og:title`. On a double-quoted escape or a block scalar the cover would have rendered a title the page never shows, with `--check` calling it in sync. Uses `gray-matter` directly so there is one parser. `wrapTitleLines` only breaks between space-separated words, so a token wider than the title box on its own stayed on an overflowing line, and the non-breaking spaces left Satori no recourse but to break it at a hyphen — the mid-compound break this layout exists to prevent. Oversized tokens now split here, at hyphens first and per-character only for something like a URL, and a font size is accepted only if every line measures within the box. All 20 covers re-render byte-identically, so neither change alters current output.
22 lines
519 B
JSON
22 lines
519 B
JSON
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