diff --git a/bun.lock b/bun.lock index 74cdf10..cd63002 100644 --- a/bun.lock +++ b/bun.lock @@ -5,7 +5,10 @@ "": { "name": "traverse", "dependencies": { + "@fontsource/inter": "^5.2.8", "@modelcontextprotocol/sdk": "^1.26.0", + "@resvg/resvg-wasm": "^2.6.2", + "satori": "^0.19.1", }, "devDependencies": { "@types/bun": "latest", @@ -16,10 +19,16 @@ }, }, "packages": { + "@fontsource/inter": ["@fontsource/inter@5.2.8", "", {}, "sha512-P6r5WnJoKiNVV+zvW2xM13gNdFhAEpQ9dQJHt3naLvfg+LkF2ldgSLiF4T41lf1SQCM9QmkqPTn4TH568IRagg=="], + "@hono/node-server": ["@hono/node-server@1.19.9", "", { "peerDependencies": { "hono": "^4" } }, "sha512-vHL6w3ecZsky+8P5MD+eFfaGTyCeOHUIFYMGpQGbrBTSmNNoxv0if69rEZ5giu36weC5saFuznL411gRX7bJDw=="], "@modelcontextprotocol/sdk": ["@modelcontextprotocol/sdk@1.26.0", "", { "dependencies": { "@hono/node-server": "^1.19.9", "ajv": "^8.17.1", "ajv-formats": "^3.0.1", "content-type": "^1.0.5", "cors": "^2.8.5", "cross-spawn": "^7.0.5", "eventsource": "^3.0.2", "eventsource-parser": "^3.0.0", "express": "^5.2.1", "express-rate-limit": "^8.2.1", "hono": "^4.11.4", "jose": "^6.1.3", "json-schema-typed": "^8.0.2", "pkce-challenge": "^5.0.0", "raw-body": "^3.0.0", "zod": "^3.25 || ^4.0", "zod-to-json-schema": "^3.25.1" }, "peerDependencies": { "@cfworker/json-schema": "^4.1.1" }, "optionalPeers": ["@cfworker/json-schema"] }, "sha512-Y5RmPncpiDtTXDbLKswIJzTqu2hyBKxTNsgKqKclDbhIgg1wgtf1fRuvxgTnRfcnxtvvgbIEcqUOzZrJ6iSReg=="], + "@resvg/resvg-wasm": ["@resvg/resvg-wasm@2.6.2", "", {}, "sha512-FqALmHI8D4o6lk/LRWDnhw95z5eO+eAa6ORjVg09YRR7BkcM6oPHU9uyC0gtQG5vpFLvgpeU4+zEAz2H8APHNw=="], + + "@shuding/opentype.js": ["@shuding/opentype.js@1.4.0-beta.0", "", { "dependencies": { "fflate": "^0.7.3", "string.prototype.codepointat": "^0.2.1" }, "bin": { "ot": "bin/ot" } }, "sha512-3NgmNyH3l/Hv6EvsWJbsvpcpUba6R8IREQ83nH83cyakCw7uM1arZKNfHwv1Wz6jgqrF/j4x5ELvR6PnK9nTcA=="], + "@types/bun": ["@types/bun@1.3.8", "", { "dependencies": { "bun-types": "1.3.8" } }, "sha512-3LvWJ2q5GerAXYxO2mffLTqOzEu5qnhEAlh48Vnu8WQfnmSwbgagjGZV6BoHKJztENYEDn6QmVd949W4uESRJA=="], "@types/node": ["@types/node@25.2.2", "", { "dependencies": { "undici-types": "~7.16.0" } }, "sha512-BkmoP5/FhRYek5izySdkOneRyXYN35I860MFAGupTdebyE66uZaR+bXLHq8k4DirE5DwQi3NuhvRU1jqTVwUrQ=="], @@ -30,6 +39,8 @@ "ajv-formats": ["ajv-formats@3.0.1", "", { "dependencies": { "ajv": "^8.0.0" } }, "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ=="], + "base64-js": ["base64-js@0.0.8", "", {}, "sha512-3XSA2cR/h/73EzlXXdU6YNycmYI7+kicTxks4eJg2g39biHR84slg2+des+p7iHYhbRg/udIS4TD53WabcOUkw=="], + "body-parser": ["body-parser@2.2.2", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.3", "http-errors": "^2.0.0", "iconv-lite": "^0.7.0", "on-finished": "^2.4.1", "qs": "^6.14.1", "raw-body": "^3.0.1", "type-is": "^2.0.1" } }, "sha512-oP5VkATKlNwcgvxi0vM0p/D3n2C3EReYVX+DNYs5TjZFn/oQt2j+4sVJtSMr18pdRr8wjTcBl6LoV+FUwzPmNA=="], "bun-types": ["bun-types@1.3.8", "", { "dependencies": { "@types/node": "*" } }, "sha512-fL99nxdOWvV4LqjmC+8Q9kW3M4QTtTR1eePs94v5ctGqU8OeceWrSUaRw3JYb7tU3FkMIAjkueehrHPPPGKi5Q=="], @@ -40,6 +51,10 @@ "call-bound": ["call-bound@1.0.4", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.2", "get-intrinsic": "^1.3.0" } }, "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg=="], + "camelize": ["camelize@1.0.1", "", {}, "sha512-dU+Tx2fsypxTgtLoE36npi3UqcjSSMNYfkqgmoEhtZrraP5VWq0K7FkWVTYa8eMPtnU/G2txVsfdCJTn9uzpuQ=="], + + "color-name": ["color-name@1.1.4", "", {}, "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="], + "content-disposition": ["content-disposition@1.0.1", "", {}, "sha512-oIXISMynqSqm241k6kcQ5UwttDILMK4BiurCfGEREw6+X9jkkpEe5T9FZaApyLGGOnFuyMWZpdolTXMtvEJ08Q=="], "content-type": ["content-type@1.0.5", "", {}, "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA=="], @@ -52,6 +67,16 @@ "cross-spawn": ["cross-spawn@7.0.6", "", { "dependencies": { "path-key": "^3.1.0", "shebang-command": "^2.0.0", "which": "^2.0.1" } }, "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA=="], + "css-background-parser": ["css-background-parser@0.1.0", "", {}, "sha512-2EZLisiZQ+7m4wwur/qiYJRniHX4K5Tc9w93MT3AS0WS1u5kaZ4FKXlOTBhOjc+CgEgPiGY+fX1yWD8UwpEqUA=="], + + "css-box-shadow": ["css-box-shadow@1.0.0-3", "", {}, "sha512-9jaqR6e7Ohds+aWwmhe6wILJ99xYQbfmK9QQB9CcMjDbTxPZjwEmUQpU91OG05Xgm8BahT5fW+svbsQGjS/zPg=="], + + "css-color-keywords": ["css-color-keywords@1.0.0", "", {}, "sha512-FyyrDHZKEjXDpNJYvVsV960FiqQyXc/LlYmsxl2BcdMb2WPx0OGRVgTg55rPSyLSNMqP52R9r8geSp7apN3Ofg=="], + + "css-gradient-parser": ["css-gradient-parser@0.0.17", "", {}, "sha512-w2Xy9UMMwlKtou0vlRnXvWglPAceXCTtcmVSo8ZBUvqCV5aXEFP/PC6d+I464810I9FT++UACwTD5511bmGPUg=="], + + "css-to-react-native": ["css-to-react-native@3.2.0", "", { "dependencies": { "camelize": "^1.0.0", "css-color-keywords": "^1.0.0", "postcss-value-parser": "^4.0.2" } }, "sha512-e8RKaLXMOFii+02mOlqwjbD00KSEKqblnpO9e++1aXS1fPQOpS1YoqdVHBqPjHNoxeF2mimzVqawm2KCbEdtHQ=="], + "debug": ["debug@4.4.3", "", { "dependencies": { "ms": "^2.1.3" } }, "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA=="], "depd": ["depd@2.0.0", "", {}, "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="], @@ -60,6 +85,8 @@ "ee-first": ["ee-first@1.1.1", "", {}, "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="], + "emoji-regex-xs": ["emoji-regex-xs@2.0.1", "", {}, "sha512-1QFuh8l7LqUcKe24LsPUNzjrzJQ7pgRwp1QMcZ5MX6mFplk2zQ08NVCM84++1cveaUUYtcCYHmeFEuNg16sU4g=="], + "encodeurl": ["encodeurl@2.0.0", "", {}, "sha512-Q0n9HRi4m6JuGIV1eFlmvJB7ZEVxu93IrMyiMsGC0lrMJMWzRgx6WGquyfQgZVb31vhGgXnfmPNNXmxnOkRBrg=="], "es-define-property": ["es-define-property@1.0.1", "", {}, "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g=="], @@ -84,6 +111,8 @@ "fast-uri": ["fast-uri@3.1.0", "", {}, "sha512-iPeeDKJSWf4IEOasVVrknXpaBV0IApz/gp7S2bb7Z4Lljbl2MGJRqInZiUrQwV16cpzw/D3S5j5Julj/gT52AA=="], + "fflate": ["fflate@0.7.4", "", {}, "sha512-5u2V/CDW15QM1XbbgS+0DfPxVB+jUKhWEKuuFuHncbk3tEEqzmoXL+2KyOFuKGqOnmdIy0/davWF1CkuwtibCw=="], + "finalhandler": ["finalhandler@2.1.1", "", { "dependencies": { "debug": "^4.4.0", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "on-finished": "^2.4.1", "parseurl": "^1.3.3", "statuses": "^2.0.1" } }, "sha512-S8KoZgRZN+a5rNwqTxlZZePjT/4cnm0ROV70LedRHZ0p8u9fRID0hJUZQpkKLzro8LfmC8sx23bY6tVNxv8pQA=="], "forwarded": ["forwarded@0.2.0", "", {}, "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow=="], @@ -102,6 +131,8 @@ "hasown": ["hasown@2.0.2", "", { "dependencies": { "function-bind": "^1.1.2" } }, "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ=="], + "hex-rgb": ["hex-rgb@4.3.0", "", {}, "sha512-Ox1pJVrDCyGHMG9CFg1tmrRUMRPRsAWYc/PinY0XzJU4K7y7vjNoLKIQ7BR5UJMCxNN8EM1MNDmHWA/B3aZUuw=="], + "hono": ["hono@4.11.9", "", {}, "sha512-Eaw2YTGM6WOxA6CXbckaEvslr2Ne4NFsKrvc0v97JD5awbmeBLO5w9Ho9L9kmKonrwF9RJlW6BxT1PVv/agBHQ=="], "http-errors": ["http-errors@2.0.1", "", { "dependencies": { "depd": "~2.0.0", "inherits": "~2.0.4", "setprototypeof": "~1.2.0", "statuses": "~2.0.2", "toidentifier": "~1.0.1" } }, "sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ=="], @@ -124,6 +155,8 @@ "json-schema-typed": ["json-schema-typed@8.0.2", "", {}, "sha512-fQhoXdcvc3V28x7C7BMs4P5+kNlgUURe2jmUT1T//oBRMDrqy1QPelJimwZGo7Hg9VPV3EQV5Bnq4hbFy2vetA=="], + "linebreak": ["linebreak@1.1.0", "", { "dependencies": { "base64-js": "0.0.8", "unicode-trie": "^2.0.0" } }, "sha512-MHp03UImeVhB7XZtjd0E4n6+3xr5Dq/9xI/5FptGk5FrbDR3zagPa2DS6U8ks/3HjbKWG9Q1M2ufOzxV2qLYSQ=="], + "math-intrinsics": ["math-intrinsics@1.1.0", "", {}, "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g=="], "media-typer": ["media-typer@1.1.0", "", {}, "sha512-aisnrDP4GNe06UcKFnV5bfMNPBUw4jsLGaWwWfnH3v02GnBuXX2MCVn5RbrWo0j3pczUilYblq7fQ7Nw2t5XKw=="], @@ -146,6 +179,10 @@ "once": ["once@1.4.0", "", { "dependencies": { "wrappy": "1" } }, "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w=="], + "pako": ["pako@0.2.9", "", {}, "sha512-NUcwaKxUxWrZLpDG+z/xZaCgQITkA/Dv4V/T6bw7VON6l1Xz/VnrBqrYjZQ12TamKHzITTfOEIYUj48y2KXImA=="], + + "parse-css-color": ["parse-css-color@0.2.1", "", { "dependencies": { "color-name": "^1.1.4", "hex-rgb": "^4.1.0" } }, "sha512-bwS/GGIFV3b6KS4uwpzCFj4w297Yl3uqnSgIPsoQkx7GMLROXfMnWvxfNkL0oh8HVhZA4hvJoEoEIqonfJ3BWg=="], + "parseurl": ["parseurl@1.3.3", "", {}, "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="], "path-key": ["path-key@3.1.1", "", {}, "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q=="], @@ -154,6 +191,8 @@ "pkce-challenge": ["pkce-challenge@5.0.1", "", {}, "sha512-wQ0b/W4Fr01qtpHlqSqspcj3EhBvimsdh0KlHhH8HRZnMsEa0ea2fTULOXOS9ccQr3om+GcGRk4e+isrZWV8qQ=="], + "postcss-value-parser": ["postcss-value-parser@4.2.0", "", {}, "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ=="], + "proxy-addr": ["proxy-addr@2.0.7", "", { "dependencies": { "forwarded": "0.2.0", "ipaddr.js": "1.9.1" } }, "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg=="], "qs": ["qs@6.14.1", "", { "dependencies": { "side-channel": "^1.1.0" } }, "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ=="], @@ -168,6 +207,8 @@ "safer-buffer": ["safer-buffer@2.1.2", "", {}, "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="], + "satori": ["satori@0.19.1", "", { "dependencies": { "@shuding/opentype.js": "1.4.0-beta.0", "css-background-parser": "^0.1.0", "css-box-shadow": "1.0.0-3", "css-gradient-parser": "^0.0.17", "css-to-react-native": "^3.0.0", "emoji-regex-xs": "^2.0.1", "escape-html": "^1.0.3", "linebreak": "^1.1.0", "parse-css-color": "^0.2.1", "postcss-value-parser": "^4.2.0", "yoga-layout": "^3.2.1" } }, "sha512-/XaT/JiWLfNlgjlQdde4wXB1/6F+FEze9c3OW2QIH0ywsfOrY57YOetgESWyOFHW3JfEQ6dJAo2U9Xwb7+DDAw=="], + "send": ["send@1.2.1", "", { "dependencies": { "debug": "^4.4.3", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "etag": "^1.8.1", "fresh": "^2.0.0", "http-errors": "^2.0.1", "mime-types": "^3.0.2", "ms": "^2.1.3", "on-finished": "^2.4.1", "range-parser": "^1.2.1", "statuses": "^2.0.2" } }, "sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ=="], "serve-static": ["serve-static@2.2.1", "", { "dependencies": { "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "parseurl": "^1.3.3", "send": "^1.2.0" } }, "sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw=="], @@ -188,6 +229,10 @@ "statuses": ["statuses@2.0.2", "", {}, "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw=="], + "string.prototype.codepointat": ["string.prototype.codepointat@0.2.1", "", {}, "sha512-2cBVCj6I4IOvEnjgO/hWqXjqBGsY+zwPmHl12Srk9IXSZ56Jwwmy+66XO5Iut/oQVR7t5ihYdLB0GMa4alEUcg=="], + + "tiny-inflate": ["tiny-inflate@1.0.3", "", {}, "sha512-pkY1fj1cKHb2seWDy0B16HeWyczlJA9/WW3u3c4z/NiWDsO3DOU5D7nhTLE9CF0yXv/QZFY7sEJmj24dK+Rrqw=="], + "toidentifier": ["toidentifier@1.0.1", "", {}, "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="], "type-is": ["type-is@2.0.1", "", { "dependencies": { "content-type": "^1.0.5", "media-typer": "^1.1.0", "mime-types": "^3.0.0" } }, "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw=="], @@ -196,6 +241,8 @@ "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="], + "unicode-trie": ["unicode-trie@2.0.0", "", { "dependencies": { "pako": "^0.2.5", "tiny-inflate": "^1.0.0" } }, "sha512-x7bc76x0bm4prf1VLg79uhAzKw8DVboClSN5VxJuQ+LKDOVEW9CdH+VY7SP+vX7xCYQqzzgQpFqz15zeLvAtZQ=="], + "unpipe": ["unpipe@1.0.0", "", {}, "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="], "vary": ["vary@1.1.2", "", {}, "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="], @@ -204,6 +251,8 @@ "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="], + "yoga-layout": ["yoga-layout@3.2.1", "", {}, "sha512-0LPOt3AxKqMdFBZA3HBAt/t/8vIKq7VaQYbuA8WxCgung+p9TVyKRYdpvCb80HcdTN2NkbIKbhNwKUfm3tQywQ=="], + "zod": ["zod@4.3.6", "", {}, "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg=="], "zod-to-json-schema": ["zod-to-json-schema@3.25.1", "", { "peerDependencies": { "zod": "^3.25 || ^4" } }, "sha512-pM/SU9d3YAggzi6MtR4h7ruuQlqKtad8e9S0fmxcMi+ueAK5Korys/aWcV9LIIHTVbj01NdzxcnXSN+O74ZIVA=="], diff --git a/package.json b/package.json index 05f08be..b829e3a 100644 --- a/package.json +++ b/package.json @@ -23,6 +23,9 @@ "typescript": "^5" }, "dependencies": { - "@modelcontextprotocol/sdk": "^1.26.0" + "@fontsource/inter": "^5.2.8", + "@modelcontextprotocol/sdk": "^1.26.0", + "@resvg/resvg-wasm": "^2.6.2", + "satori": "^0.19.1" } } diff --git a/src/index.ts b/src/index.ts index afbcd6d..4e9409c 100644 --- a/src/index.ts +++ b/src/index.ts @@ -4,6 +4,7 @@ import { z } from "zod/v4"; import { generateViewerHTML } from "./template.ts"; import type { WalkthroughDiagram } from "./types.ts"; import { initDb, loadAllDiagrams, saveDiagram, deleteDiagramFromDb, generateId, getSharedUrl, saveSharedUrl } from "./storage.ts"; +import { generateOgImage } from "./og.ts"; import { loadConfig } from "./config.ts"; const PORT = parseInt(process.env.TRAVERSE_PORT || "4173", 10); @@ -25,6 +26,25 @@ try { port: PORT, async fetch(req) { const url = new URL(req.url); + + // OG image route — must be matched before /diagram/:id + const ogMatch = url.pathname.match(/^\/diagram\/([\w-]+)\/og\.png$/); + if (ogMatch) { + const id = ogMatch[1]!; + const diagram = diagrams.get(id); + if (!diagram) { + return new Response("Not found", { status: 404 }); + } + const nodeNames = Object.values(diagram.nodes).map(n => n.title); + const png = await generateOgImage(id, diagram.summary, nodeNames); + return new Response(png, { + headers: { + "Content-Type": "image/png", + "Cache-Control": "public, max-age=86400", + }, + }); + } + const diagramMatch = url.pathname.match(/^\/diagram\/([\w-]+)$/); if (diagramMatch) { @@ -42,6 +62,7 @@ try { shareServerUrl: config.shareServerUrl, diagramId: id, existingShareUrl: existingShareUrl ?? undefined, + baseUrl: url.origin, }), { headers: { "Content-Type": "text/html; charset=utf-8" }, }); diff --git a/src/og.ts b/src/og.ts new file mode 100644 index 0000000..676d10b --- /dev/null +++ b/src/og.ts @@ -0,0 +1,189 @@ +import satori from "satori"; +import { initWasm, Resvg } from "@resvg/resvg-wasm"; +import { join } from "path"; + +// Load Inter font files (woff, not woff2 — satori doesn't support woff2) +const fontsDir = join(import.meta.dir, "../node_modules/@fontsource/inter/files"); +const [interRegular, interBold] = await Promise.all([ + Bun.file(join(fontsDir, "inter-latin-400-normal.woff")).arrayBuffer(), + Bun.file(join(fontsDir, "inter-latin-700-normal.woff")).arrayBuffer(), +]); + +// Initialize resvg-wasm +const wasmPath = join(import.meta.dir, "../node_modules/@resvg/resvg-wasm/index_bg.wasm"); +await initWasm(Bun.file(wasmPath).arrayBuffer()); + +// Cache generated images by diagram ID +const cache = new Map(); + +export async function generateOgImage( + id: string, + summary: string, + nodeNames: string[], +): Promise { + const cached = cache.get(id); + if (cached) return cached; + + const nodeCount = nodeNames.length; + const displayNodes = nodeNames.slice(0, 8); + const extra = nodeCount > 8 ? nodeCount - 8 : 0; + + const svg = await satori( + { + type: "div", + props: { + style: { + width: "100%", + height: "100%", + display: "flex", + flexDirection: "column", + justifyContent: "space-between", + padding: "60px", + backgroundColor: "#0a0a0a", + color: "#e5e5e5", + fontFamily: "Inter", + }, + children: [ + // Top: Traverse label + { + type: "div", + props: { + style: { + display: "flex", + alignItems: "center", + gap: "10px", + }, + children: [ + { + type: "div", + props: { + style: { + fontSize: "20px", + fontWeight: 700, + color: "#a3a3a3", + letterSpacing: "0.05em", + textTransform: "uppercase" as const, + }, + children: "Traverse", + }, + }, + ], + }, + }, + // Middle: Summary headline + { + type: "div", + props: { + style: { + display: "flex", + flexDirection: "column", + gap: "24px", + flex: 1, + justifyContent: "center", + }, + children: [ + { + type: "div", + props: { + style: { + fontSize: summary.length > 60 ? "36px" : "44px", + fontWeight: 700, + lineHeight: 1.2, + color: "#e5e5e5", + overflow: "hidden", + textOverflow: "ellipsis", + }, + children: summary, + }, + }, + ], + }, + }, + // Bottom: Node pills + count + { + type: "div", + props: { + style: { + display: "flex", + alignItems: "center", + justifyContent: "space-between", + gap: "16px", + }, + children: [ + { + type: "div", + props: { + style: { + display: "flex", + flexWrap: "wrap", + gap: "8px", + flex: 1, + }, + children: [ + ...displayNodes.map((name) => ({ + type: "div", + props: { + style: { + fontSize: "14px", + color: "#a3a3a3", + backgroundColor: "#1c1c1e", + padding: "4px 12px", + borderRadius: "6px", + border: "1px solid #262626", + }, + children: name, + }, + })), + ...(extra > 0 + ? [ + { + type: "div", + props: { + style: { + fontSize: "14px", + color: "#666", + padding: "4px 8px", + }, + children: `+${extra} more`, + }, + }, + ] + : []), + ], + }, + }, + { + type: "div", + props: { + style: { + fontSize: "16px", + color: "#666", + flexShrink: 0, + }, + children: `${nodeCount} node${nodeCount !== 1 ? "s" : ""}`, + }, + }, + ], + }, + }, + ], + }, + }, + { + width: 1200, + height: 630, + fonts: [ + { name: "Inter", data: interRegular, weight: 400, style: "normal" as const }, + { name: "Inter", data: interBold, weight: 700, style: "normal" as const }, + ], + }, + ); + + const resvg = new Resvg(svg, { + fitTo: { mode: "width", value: 1200 }, + }); + const png = Buffer.from(resvg.render().asPng()); + + cache.set(id, png); + return png; +} diff --git a/src/template.ts b/src/template.ts index 156be48..31dcff1 100644 --- a/src/template.ts +++ b/src/template.ts @@ -5,11 +5,12 @@ interface ViewerOptions { shareServerUrl?: string; diagramId?: string; existingShareUrl?: string; + baseUrl?: string; } export function generateViewerHTML(diagram: WalkthroughDiagram, gitHash: string = "dev", projectRoot: string = "", options: ViewerOptions = {}): string { const diagramJSON = JSON.stringify(diagram).replace(/<\//g, "<\\/"); - const { mode = "local", shareServerUrl = "", diagramId = "", existingShareUrl = "" } = options; + const { mode = "local", shareServerUrl = "", diagramId = "", existingShareUrl = "", baseUrl = "" } = options; return ` @@ -17,7 +18,14 @@ export function generateViewerHTML(diagram: WalkthroughDiagram, gitHash: string Traverse — ${escapeHTML(diagram.summary)} - + ${baseUrl && diagramId ? ` + + + + + + + ` : ""}