forked from InsightSoftwareConsortium/itk-wasm
/
writeLocalFile.js
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/
writeLocalFile.js
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const path = require('path')
const getFileExtension = require('./getFileExtension.js')
const extensionToMeshIO = require('./extensionToMeshIO.js')
const writeImageLocalFile = require('./writeImageLocalFile.js')
const writeMeshLocalFileSync = require('./writeMeshLocalFileSync.js')
/**
* Write an image or mesh to a file on the local filesystem in Node.js.
*
* @param: useCompression compression the pixel data when possible
* @param: imageOrMesh itk.Image or itk.Mesh instance to write
* @param: filePath path to the file on the local filesystem.
*
* @return empty Promise
*/
const writeLocalFile = (useCompression, imageOrMesh, filePath) => {
const absoluteFilePath = path.resolve(filePath)
const extension = getFileExtension(absoluteFilePath)
return new Promise(function (resolve, reject) {
try {
const isMesh = extensionToMeshIO.has(extension)
if (isMesh) {
try {
writeMeshLocalFileSync(useCompression, imageOrMesh, filePath)
resolve(null)
} catch (err) {
// Was a .vtk image file? Continue to write as an image.
writeImageLocalFile(useCompression, imageOrMesh, filePath).then(() => {
resolve(null)
})
}
} else {
writeImageLocalFile(useCompression, imageOrMesh, filePath).then(() => {
resolve(null)
})
}
} catch (err) {
reject(err)
}
})
}
module.exports = writeLocalFile