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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 465x 465x 1x 1x 1x 1x 1x 1x 1x 1x 1x 210x 1x 1x 1x 1x 1x 209x 209x 209x 1x 1x 1x 1x 1x 1x 1x 1x 268x 26x 26x 268x 268x 268x 12x 12x 12x 12x 256x 256x 256x 1x 1x 1x 1x 1x 1x 425x 425x 1x 1x 1x 1x 1x 1x 1x 16x 16x 1x | import {iCPSError} from "../../../app/error/error.js";
import {LIBRARY_ERR} from "../../../app/error/error-codes.js";
/**
* Mapping of backend provided filetype description (key) and actual file extension (value)
* Incomplete list, due to lack of documentation
*/
const EXT: Record<string, string> = {
'public.png': `png`,
'public.mpeg-4': `mp4`,
'public.jpeg': `jpeg`,
'public.jpeg-xl': `jxl`,
'com.apple.quicktime-movie': `mov`,
'public.heic': `heic`,
'public.image': `HEIC`,
'com.sony.arw-raw-image': `arw`,
'org.webmproject.webp': `webp`,
'com.compuserve.gif': `gif`,
'com.adobe.raw-image': `dng`,
'public.tiff': `tiff`,
'public.jpeg-2000': `jp2`,
'com.truevision.tga-image': `tga`,
'com.sgi.sgi-image': `sgi`,
'com.adobe.photoshop-image': `psd`,
'public.pbm': `pbm`,
'public.heif': `heif`,
'com.microsoft.bmp': `bmp`,
'public.mpeg': `mpg`,
'com.apple.m4v-video': `m4v`,
'public.3gpp': `3gp`,
'public.mpeg-2-video': `m2v`,
'com.fuji.raw-image': `raf`,
'com.canon.cr2-raw-image': `cr2`,
'com.panasonic.rw2-raw-image': `rw2`,
'com.nikon.nrw-raw-image': `nrw`,
'com.pentax.raw-image': `pef`,
'com.nikon.raw-image': `nef`,
'com.olympus.raw-image': `orf`,
'public.avi': `avi`,
'com.adobe.pdf': `pdf`,
'public.avchd-mpeg-2-transport-stream': `mts`,
'com.adobe.illustrator.ai-image': `ai`,
'com.canon.cr3-raw-image': `cr3`,
'com.olympus.or-raw-image': `orf`,
'public.item': `largeThumbnail`,
'public.mpo-image': `mpo`,
'com.dji.mimo.pano.jpeg': `jpg`,
'public.avif': `avif`,
'com.apple.m4a-audio': `m4a`,
'com.canon.crw-raw-image': `crw`,
'public.mp3': `mp3`,
'com.microsoft.waveform-audio': `wav`,
};
/**
* This class represents the type of file a given asset has
*/
export class FileType {
/**
* The descriptor, as provided by the backend
*/
descriptor: string;
/**
* Constructs a new FileType
* @param descriptor - The descriptor as provided by the backend
*/
private constructor(descriptor: string) {
this.descriptor = descriptor;
}
/**
* Creates the file type from the backend
* @param descriptor - The descriptor as provided by the backend
* @param ext - The extension as provided by the encoded filename
* @returns The newly created FileType
* @throws An iCPSError, if the provided descriptor is unknown to the script
*/
static fromAssetType(descriptor: string, ext: string): FileType {
if (!EXT[descriptor]) {
throw new iCPSError(LIBRARY_ERR.UNKNOWN_FILETYPE_DESCRIPTOR)
.addContext(`extension`, ext)
.addContext(`descriptor`, descriptor)
.addMessage(`${descriptor} (with potential extension ${ext})`);
}
return new FileType(descriptor);
}
/**
* Creates a file type from a file extension
* @param ext - The file extension of the file
* @returns The newly created FileType
* @throws An iCPSError, if the provided extension is unknown to the script
*/
static fromExtension(ext: string): FileType {
if (ext.startsWith(`.`)) {
ext = ext.substring(1);
}
const descriptor = Object.keys(EXT).find(key => EXT[key] === ext);
if (!descriptor) {
throw new iCPSError(LIBRARY_ERR.UNKNOWN_FILETYPE_EXTENSION)
.addContext(`extension`, ext)
.addMessage(ext);
}
return new FileType(descriptor);
}
/**
*
* @returns The FileType as a file extension
*/
getExtension(): string {
return `.` + EXT[this.descriptor];
}
/**
* Compares the given FileType to this instance
* @param fileType - A FileType to compare this instance to
* @returns True, if the given FileType is equal to this instance
*/
equal(fileType: FileType) {
return fileType && this.descriptor === fileType.descriptor;
}
}
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