build(coding-agent): replaced wasm-vips with @silvia-odwyer/photon-node for image processing (#710)

- Replaced wasm-vips dependency with @silvia-odwyer/photon-node for image processing.
This commit is contained in:
Can Bölük 2026-01-14 02:46:49 +01:00 committed by GitHub
parent 95859725b7
commit 6bf073f130
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7 changed files with 148 additions and 225 deletions

19
package-lock.json generated
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@ -2833,6 +2833,12 @@
"win32"
]
},
"node_modules/@silvia-odwyer/photon-node": {
"version": "0.3.4",
"resolved": "https://registry.npmjs.org/@silvia-odwyer/photon-node/-/photon-node-0.3.4.tgz",
"integrity": "sha512-bnly4BKB3KDTFxrUIcgCLbaeVVS8lrAkri1pEzskpmxu9MdfGQTy8b8EgcD83ywD3RPMsIulY8xJH5Awa+t9fA==",
"license": "Apache-2.0"
},
"node_modules/@sinclair/typebox": {
"version": "0.34.47",
"resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.34.47.tgz",
@ -8292,15 +8298,6 @@
"url": "https://github.com/sponsors/jonschlinkert"
}
},
"node_modules/wasm-vips": {
"version": "0.0.16",
"resolved": "https://registry.npmjs.org/wasm-vips/-/wasm-vips-0.0.16.tgz",
"integrity": "sha512-4/bEq8noAFt7DX3VT+Vt5AgNtnnOLwvmrDbduWfiv9AV+VYkbUU4f9Dam9e6khRqPinyClFHCqiwATTTJEiGwA==",
"license": "MIT",
"engines": {
"node": ">=16.4.0"
}
},
"node_modules/web-streams-polyfill": {
"version": "3.3.3",
"resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
@ -8677,6 +8674,7 @@
"@mariozechner/pi-agent-core": "^0.45.7",
"@mariozechner/pi-ai": "^0.45.7",
"@mariozechner/pi-tui": "^0.45.7",
"@silvia-odwyer/photon-node": "^0.3.4",
"chalk": "^5.5.0",
"cli-highlight": "^2.1.11",
"diff": "^8.0.2",
@ -8684,8 +8682,7 @@
"glob": "^11.0.3",
"marked": "^15.0.12",
"minimatch": "^10.1.1",
"proper-lockfile": "^4.1.2",
"wasm-vips": "^0.0.16"
"proper-lockfile": "^4.1.2"
},
"bin": {
"pi": "dist/cli.js"

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@ -51,7 +51,7 @@
"marked": "^15.0.12",
"minimatch": "^10.1.1",
"proper-lockfile": "^4.1.2",
"wasm-vips": "^0.0.16"
"@silvia-odwyer/photon-node": "^0.3.4"
},
"devDependencies": {
"@types/diff": "^7.0.2",

View file

@ -1,4 +1,4 @@
import { getVips } from "./vips.js";
import photon from "@silvia-odwyer/photon-node";
/**
* Convert image to PNG format for terminal display.
@ -13,21 +13,17 @@ export async function convertToPng(
return { data: base64Data, mimeType };
}
const vips = await getVips();
if (!vips) {
// wasm-vips not available
return null;
}
try {
const buffer = Buffer.from(base64Data, "base64");
const img = vips.Image.newFromBuffer(buffer);
const pngBuffer = img.writeToBuffer(".png");
img.delete();
return {
data: Buffer.from(pngBuffer).toString("base64"),
mimeType: "image/png",
};
const image = photon.PhotonImage.new_from_byteslice(new Uint8Array(Buffer.from(base64Data, "base64")));
try {
const pngBuffer = image.get_bytes();
return {
data: Buffer.from(pngBuffer).toString("base64"),
mimeType: "image/png",
};
} finally {
image.free();
}
} catch {
// Conversion failed
return null;

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@ -1,5 +1,5 @@
import type { ImageContent } from "@mariozechner/pi-ai";
import { getVips } from "./vips.js";
import photon from "@silvia-odwyer/photon-node";
export interface ImageResizeOptions {
maxWidth?: number; // Default: 2000
@ -40,8 +40,8 @@ function pickSmaller(
* Resize an image to fit within the specified max dimensions and file size.
* Returns the original image if it already fits within the limits.
*
* Uses wasm-vips for image processing. If wasm-vips is not available (e.g., in some
* environments), returns the original image unchanged.
* Uses Photon (Rust/WASM) for image processing. If Photon is not available,
* returns the original image unchanged.
*
* Strategy for staying under maxBytes:
* 1. First resize to maxWidth/maxHeight
@ -51,126 +51,74 @@ function pickSmaller(
*/
export async function resizeImage(img: ImageContent, options?: ImageResizeOptions): Promise<ResizedImage> {
const opts = { ...DEFAULT_OPTIONS, ...options };
const buffer = Buffer.from(img.data, "base64");
const inputBuffer = Buffer.from(img.data, "base64");
const vipsOrNull = await getVips();
if (!vipsOrNull) {
// wasm-vips not available - return original image
// We can't get dimensions without vips, so return 0s
return {
data: img.data,
mimeType: img.mimeType,
originalWidth: 0,
originalHeight: 0,
width: 0,
height: 0,
wasResized: false,
};
}
// Capture non-null reference for use in nested functions
const vips = vipsOrNull;
// Load image to get metadata
let sourceImg: InstanceType<typeof vips.Image>;
let image: ReturnType<typeof photon.PhotonImage.new_from_byteslice> | undefined;
try {
sourceImg = vips.Image.newFromBuffer(buffer);
} catch {
// Failed to load image
return {
data: img.data,
mimeType: img.mimeType,
originalWidth: 0,
originalHeight: 0,
width: 0,
height: 0,
wasResized: false,
};
}
image = photon.PhotonImage.new_from_byteslice(new Uint8Array(inputBuffer));
const originalWidth = sourceImg.width;
const originalHeight = sourceImg.height;
// Check if already within all limits (dimensions AND size)
const originalSize = buffer.length;
if (originalWidth <= opts.maxWidth && originalHeight <= opts.maxHeight && originalSize <= opts.maxBytes) {
sourceImg.delete();
const originalWidth = image.get_width();
const originalHeight = image.get_height();
const format = img.mimeType?.split("/")[1] ?? "png";
return {
data: img.data,
mimeType: img.mimeType ?? `image/${format}`,
originalWidth,
originalHeight,
width: originalWidth,
height: originalHeight,
wasResized: false,
};
}
// Calculate initial dimensions respecting max limits
let targetWidth = originalWidth;
let targetHeight = originalHeight;
if (targetWidth > opts.maxWidth) {
targetHeight = Math.round((targetHeight * opts.maxWidth) / targetWidth);
targetWidth = opts.maxWidth;
}
if (targetHeight > opts.maxHeight) {
targetWidth = Math.round((targetWidth * opts.maxHeight) / targetHeight);
targetHeight = opts.maxHeight;
}
// Helper to resize and encode in both formats, returning the smaller one
function tryBothFormats(
width: number,
height: number,
jpegQuality: number,
): { buffer: Uint8Array; mimeType: string } {
// Load image fresh and resize using scale factor
// (Using newFromBuffer + resize instead of thumbnailBuffer to avoid lazy re-read issues)
const img = vips.Image.newFromBuffer(buffer);
const scale = Math.min(width / img.width, height / img.height);
const resized = scale < 1 ? img.resize(scale) : img;
const pngBuffer = resized.writeToBuffer(".png");
const jpegBuffer = resized.writeToBuffer(".jpg", { Q: jpegQuality });
if (resized !== img) {
resized.delete();
// Check if already within all limits (dimensions AND size)
const originalSize = inputBuffer.length;
if (originalWidth <= opts.maxWidth && originalHeight <= opts.maxHeight && originalSize <= opts.maxBytes) {
return {
data: img.data,
mimeType: img.mimeType ?? `image/${format}`,
originalWidth,
originalHeight,
width: originalWidth,
height: originalHeight,
wasResized: false,
};
}
img.delete();
return pickSmaller({ buffer: pngBuffer, mimeType: "image/png" }, { buffer: jpegBuffer, mimeType: "image/jpeg" });
}
// Calculate initial dimensions respecting max limits
let targetWidth = originalWidth;
let targetHeight = originalHeight;
// Clean up the source image
sourceImg.delete();
if (targetWidth > opts.maxWidth) {
targetHeight = Math.round((targetHeight * opts.maxWidth) / targetWidth);
targetWidth = opts.maxWidth;
}
if (targetHeight > opts.maxHeight) {
targetWidth = Math.round((targetWidth * opts.maxHeight) / targetHeight);
targetHeight = opts.maxHeight;
}
// Try to produce an image under maxBytes
const qualitySteps = [85, 70, 55, 40];
const scaleSteps = [1.0, 0.75, 0.5, 0.35, 0.25];
// Helper to resize and encode in both formats, returning the smaller one
function tryBothFormats(
width: number,
height: number,
jpegQuality: number,
): { buffer: Uint8Array; mimeType: string } {
const resized = photon.resize(image!, width, height, photon.SamplingFilter.Lanczos3);
let best: { buffer: Uint8Array; mimeType: string };
let finalWidth = targetWidth;
let finalHeight = targetHeight;
try {
const pngBuffer = resized.get_bytes();
const jpegBuffer = resized.get_bytes_jpeg(jpegQuality);
// First attempt: resize to target dimensions, try both formats
best = tryBothFormats(targetWidth, targetHeight, opts.jpegQuality);
return pickSmaller(
{ buffer: pngBuffer, mimeType: "image/png" },
{ buffer: jpegBuffer, mimeType: "image/jpeg" },
);
} finally {
resized.free();
}
}
if (best.buffer.length <= opts.maxBytes) {
return {
data: Buffer.from(best.buffer).toString("base64"),
mimeType: best.mimeType,
originalWidth,
originalHeight,
width: finalWidth,
height: finalHeight,
wasResized: true,
};
}
// Try to produce an image under maxBytes
const qualitySteps = [85, 70, 55, 40];
const scaleSteps = [1.0, 0.75, 0.5, 0.35, 0.25];
// Still too large - try JPEG with decreasing quality (and compare to PNG each time)
for (const quality of qualitySteps) {
best = tryBothFormats(targetWidth, targetHeight, quality);
let best: { buffer: Uint8Array; mimeType: string };
let finalWidth = targetWidth;
let finalHeight = targetHeight;
// First attempt: resize to target dimensions, try both formats
best = tryBothFormats(targetWidth, targetHeight, opts.jpegQuality);
if (best.buffer.length <= opts.maxBytes) {
return {
@ -183,20 +131,10 @@ export async function resizeImage(img: ImageContent, options?: ImageResizeOption
wasResized: true,
};
}
}
// Still too large - reduce dimensions progressively
for (const scale of scaleSteps) {
finalWidth = Math.round(targetWidth * scale);
finalHeight = Math.round(targetHeight * scale);
// Skip if dimensions are too small
if (finalWidth < 100 || finalHeight < 100) {
break;
}
// Still too large - try JPEG with decreasing quality
for (const quality of qualitySteps) {
best = tryBothFormats(finalWidth, finalHeight, quality);
best = tryBothFormats(targetWidth, targetHeight, quality);
if (best.buffer.length <= opts.maxBytes) {
return {
@ -210,19 +148,59 @@ export async function resizeImage(img: ImageContent, options?: ImageResizeOption
};
}
}
}
// Last resort: return smallest version we produced even if over limit
// (the API will reject it, but at least we tried everything)
return {
data: Buffer.from(best.buffer).toString("base64"),
mimeType: best.mimeType,
originalWidth,
originalHeight,
width: finalWidth,
height: finalHeight,
wasResized: true,
};
// Still too large - reduce dimensions progressively
for (const scale of scaleSteps) {
finalWidth = Math.round(targetWidth * scale);
finalHeight = Math.round(targetHeight * scale);
if (finalWidth < 100 || finalHeight < 100) {
break;
}
for (const quality of qualitySteps) {
best = tryBothFormats(finalWidth, finalHeight, quality);
if (best.buffer.length <= opts.maxBytes) {
return {
data: Buffer.from(best.buffer).toString("base64"),
mimeType: best.mimeType,
originalWidth,
originalHeight,
width: finalWidth,
height: finalHeight,
wasResized: true,
};
}
}
}
// Last resort: return smallest version we produced
return {
data: Buffer.from(best.buffer).toString("base64"),
mimeType: best.mimeType,
originalWidth,
originalHeight,
width: finalWidth,
height: finalHeight,
wasResized: true,
};
} catch {
// Failed to load image
return {
data: img.data,
mimeType: img.mimeType,
originalWidth: 0,
originalHeight: 0,
width: 0,
height: 0,
wasResized: false,
};
} finally {
if (image) {
image.free();
}
}
}
/**

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@ -1,40 +0,0 @@
/**
* Singleton wrapper for wasm-vips initialization.
* wasm-vips requires async initialization, so we cache the instance.
*/
import type Vips from "wasm-vips";
let vipsInstance: Awaited<ReturnType<typeof Vips>> | null = null;
let vipsInitPromise: Promise<Awaited<ReturnType<typeof Vips>> | null> | null = null;
/**
* Get the initialized wasm-vips instance.
* Returns null if wasm-vips is not available or fails to initialize.
*/
export async function getVips(): Promise<Awaited<ReturnType<typeof Vips>> | null> {
if (vipsInstance) {
return vipsInstance;
}
if (vipsInitPromise) {
return vipsInitPromise;
}
vipsInitPromise = (async () => {
try {
const VipsInit = (await import("wasm-vips")).default;
vipsInstance = await VipsInit();
return vipsInstance;
} catch {
// wasm-vips not available
return null;
}
})();
const result = await vipsInitPromise;
if (!result) {
vipsInitPromise = null; // Allow retry on failure
}
return result;
}

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@ -1,39 +1,26 @@
/**
* Tests for image processing utilities using wasm-vips.
* Tests for image processing utilities using Photon.
*/
import { describe, expect, it } from "vitest";
import { convertToPng } from "../src/utils/image-convert.js";
import { formatDimensionNote, resizeImage } from "../src/utils/image-resize.js";
import { getVips } from "../src/utils/vips.js";
// Small 2x2 red PNG image (base64)
const TINY_PNG = "iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAADklEQVQI12P4z8DAwMAAAA0BA/m5sb9AAAAAAElFTkSuQmCC";
// Small 2x2 red PNG image (base64) - generated with ImageMagick
const TINY_PNG =
"iVBORw0KGgoAAAANSUhEUgAAAAIAAAACAQMAAABIeJ9nAAAAIGNIUk0AAHomAACAhAAA+gAAAIDoAAB1MAAA6mAAADqYAAAXcJy6UTwAAAAGUExURf8AAP///0EdNBEAAAABYktHRAH/Ai3eAAAAB3RJTUUH6gEOADM5Ddoh/wAAAAxJREFUCNdjYGBgAAAABAABJzQnCgAAACV0RVh0ZGF0ZTpjcmVhdGUAMjAyNi0wMS0xNFQwMDo1MTo1NyswMDowMOnKzHgAAAAldEVYdGRhdGU6bW9kaWZ5ADIwMjYtMDEtMTRUMDA6NTE6NTcrMDA6MDCYl3TEAAAAKHRFWHRkYXRlOnRpbWVzdGFtcAAyMDI2LTAxLTE0VDAwOjUxOjU3KzAwOjAwz4JVGwAAAABJRU5ErkJggg==";
// Small 2x2 blue JPEG image (base64)
// Small 2x2 blue JPEG image (base64) - generated with ImageMagick
const TINY_JPEG =
"/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCAACAAIDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAn/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFQEBAQAAAAAAAAAAAAAAAAAAAAX/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwCwAB//2Q==";
"/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCAACAAIDAREAAhEBAxEB/8QAFAABAAAAAAAAAAAAAAAAAAAACf/EABQQAQAAAAAAAAAAAAAAAAAAAAD/xAAVAQEBAAAAAAAAAAAAAAAAAAAGCf/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AD3VTB3/2Q==";
// 100x100 gray PNG (generated with wasm-vips)
// 100x100 gray PNG
const MEDIUM_PNG_100x100 =
"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";
"iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAAAAABVicqIAAAAAmJLR0QA/4ePzL8AAAAHdElNRQfqAQ4AMzkN2iH/AAAAP0lEQVRo3u3NQQEAAAQEMASXXYrz2gqst/Lm4ZBIJBKJRCKRSCQSiUQikUgkEolEIpFIJBKJRCKRSCQSiSTsAP1cAUZeKtreAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDI2LTAxLTE0VDAwOjUxOjU3KzAwOjAw6crMeAAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyNi0wMS0xNFQwMDo1MTo1NyswMDowMJiXdMQAAAAodEVYdGRhdGU6dGltZXN0YW1wADIwMjYtMDEtMTRUMDA6NTE6NTcrMDA6MDDPglUbAAAAAElFTkSuQmCC";
// 200x200 colored PNG (generated with wasm-vips)
// 200x200 colored PNG
const LARGE_PNG_200x200 =
"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";
describe("wasm-vips initialization", () => {
it("should initialize wasm-vips successfully", async () => {
const vips = await getVips();
expect(vips).not.toBeNull();
});
it("should return cached instance on subsequent calls", async () => {
const vips1 = await getVips();
const vips2 = await getVips();
expect(vips1).toBe(vips2);
});
});
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describe("convertToPng", () => {
it("should return original data for PNG input", async () => {

View file

@ -5,5 +5,10 @@ export default defineConfig({
globals: true,
environment: 'node',
testTimeout: 30000, // 30 seconds for API calls
}
server: {
deps: {
external: [/@silvia-odwyer\/photon-node/],
},
},
},
});