oh-my-opencode/src/tools/look-at/image-converter.ts

150 lines
3.9 KiB
TypeScript

import { execFileSync } from "node:child_process"
import { existsSync, mkdtempSync, unlinkSync, writeFileSync, readFileSync } from "node:fs"
import { tmpdir } from "node:os"
import { join } from "node:path"
import { log } from "../../shared"
const SUPPORTED_FORMATS = new Set([
"image/jpeg",
"image/png",
"image/webp",
"image/gif",
"image/bmp",
"image/tiff",
])
const UNSUPPORTED_FORMATS = new Set([
"image/heic",
"image/heif",
"image/x-canon-cr2",
"image/x-canon-crw",
"image/x-nikon-nef",
"image/x-nikon-nrw",
"image/x-sony-arw",
"image/x-sony-sr2",
"image/x-sony-srf",
"image/x-pentax-pef",
"image/x-olympus-orf",
"image/x-panasonic-raw",
"image/x-fuji-raf",
"image/x-adobe-dng",
"image/vnd.adobe.photoshop",
"image/x-photoshop",
])
export function needsConversion(mimeType: string): boolean {
if (SUPPORTED_FORMATS.has(mimeType)) {
return false
}
if (UNSUPPORTED_FORMATS.has(mimeType)) {
return true
}
return mimeType.startsWith("image/")
}
export function convertImageToJpeg(inputPath: string, mimeType: string): string {
if (!existsSync(inputPath)) {
throw new Error(`File not found: ${inputPath}`)
}
const tempDir = mkdtempSync(join(tmpdir(), "opencode-img-"))
const outputPath = join(tempDir, "converted.jpg")
log(`[image-converter] Converting ${mimeType} to JPEG: ${inputPath}`)
try {
if (process.platform === "darwin") {
try {
execFileSync("sips", ["-s", "format", "jpeg", inputPath, "--out", outputPath], {
stdio: "pipe",
encoding: "utf-8",
})
if (existsSync(outputPath)) {
log(`[image-converter] Converted using sips: ${outputPath}`)
return outputPath
}
} catch (sipsError) {
log(`[image-converter] sips failed: ${sipsError}`)
}
}
try {
execFileSync("convert", [inputPath, outputPath], {
stdio: "pipe",
encoding: "utf-8",
})
if (existsSync(outputPath)) {
log(`[image-converter] Converted using ImageMagick: ${outputPath}`)
return outputPath
}
} catch (convertError) {
log(`[image-converter] ImageMagick convert failed: ${convertError}`)
}
throw new Error(
`No image conversion tool available. Please install ImageMagick:\n` +
` macOS: brew install imagemagick\n` +
` Ubuntu/Debian: sudo apt install imagemagick\n` +
` RHEL/CentOS: sudo yum install ImageMagick`
)
} catch (error) {
try {
if (existsSync(outputPath)) {
unlinkSync(outputPath)
}
} catch {}
throw error
}
}
export function cleanupConvertedImage(filePath: string): void {
try {
if (existsSync(filePath)) {
unlinkSync(filePath)
log(`[image-converter] Cleaned up temporary file: ${filePath}`)
}
} catch (error) {
log(`[image-converter] Failed to cleanup ${filePath}: ${error}`)
}
}
export function convertBase64ImageToJpeg(
base64Data: string,
mimeType: string
): { base64: string; tempFiles: string[] } {
const tempDir = mkdtempSync(join(tmpdir(), "opencode-b64-"))
const inputExt = mimeType.split("/")[1] || "bin"
const inputPath = join(tempDir, `input.${inputExt}`)
const tempFiles: string[] = [inputPath]
try {
const cleanBase64 = base64Data.replace(/^data:[^;]+;base64,/, "")
const buffer = Buffer.from(cleanBase64, "base64")
writeFileSync(inputPath, buffer)
log(`[image-converter] Converting Base64 ${mimeType} to JPEG`)
const outputPath = convertImageToJpeg(inputPath, mimeType)
tempFiles.push(outputPath)
const convertedBuffer = readFileSync(outputPath)
const convertedBase64 = convertedBuffer.toString("base64")
log(`[image-converter] Base64 conversion successful`)
return { base64: convertedBase64, tempFiles }
} catch (error) {
tempFiles.forEach(file => {
try {
if (existsSync(file)) unlinkSync(file)
} catch {}
})
throw error
}
}