import {
BINARY_ENCODING,
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeExecutionData,
INodeProperties,
INodePropertyOptions,
INodeType,
INodeTypeDescription,
NodeOperationError,
} from 'n8n-workflow';
import gm from 'gm';
import { file } from 'tmp-promise';
import {
parse as pathParse,
} from 'path';
import {
writeFile as fsWriteFile,
} from 'fs';
import { promisify } from 'util';
const fsWriteFileAsync = promisify(fsWriteFile);
import getSystemFonts from 'get-system-fonts';
const nodeOperations: INodePropertyOptions[] = [
{
name: 'Blur',
value: 'blur',
description: 'Adds a blur to the image and so makes it less sharp',
},
{
name: 'Border',
value: 'border',
description: 'Adds a border to the image',
},
{
name: 'Composite',
value: 'composite',
description: 'Composite image on top of another one',
},
{
name: 'Create',
value: 'create',
description: 'Create a new image',
},
{
name: 'Crop',
value: 'crop',
description: 'Crops the image',
},
{
name: 'Draw',
value: 'draw',
description: 'Draw on image',
},
{
name: 'Rotate',
value: 'rotate',
description: 'Rotate image',
},
{
name: 'Resize',
value: 'resize',
description: 'Change the size of image',
},
{
name: 'Shear',
value: 'shear',
description: 'Shear image along the X or Y axis',
},
{
name: 'Text',
value: 'text',
description: 'Adds text to image',
},
{
name: 'Transparent',
value: 'transparent',
description: 'Make a color in image transparent',
},
];
const nodeOperationOptions: INodeProperties[] = [
// ----------------------------------
// create
// ----------------------------------
{
displayName: 'Background Color',
name: 'backgroundColor',
type: 'color',
default: '#ffffff00',
typeOptions: {
showAlpha: true,
},
displayOptions: {
show: {
operation: [
'create',
],
},
},
description: 'The background color of the image to create',
},
{
displayName: 'Image Width',
name: 'width',
type: 'number',
default: 50,
typeOptions: {
minValue: 1,
},
displayOptions: {
show: {
operation: [
'create',
],
},
},
description: 'The width of the image to create',
},
{
displayName: 'Image Height',
name: 'height',
type: 'number',
default: 50,
typeOptions: {
minValue: 1,
},
displayOptions: {
show: {
operation: [
'create',
],
},
},
description: 'The height of the image to create',
},
// ----------------------------------
// draw
// ----------------------------------
{
displayName: 'Primitive',
name: 'primitive',
type: 'options',
displayOptions: {
show: {
operation: [
'draw',
],
},
},
options: [
{
name: 'Circle',
value: 'circle',
},
{
name: 'Line',
value: 'line',
},
{
name: 'Rectangle',
value: 'rectangle',
},
],
default: 'rectangle',
description: 'The primitive to draw',
},
{
displayName: 'Color',
name: 'color',
type: 'color',
default: '#ff000000',
typeOptions: {
showAlpha: true,
},
displayOptions: {
show: {
operation: [
'draw',
],
},
},
description: 'The color of the primitive to draw',
},
{
displayName: 'Start Position X',
name: 'startPositionX',
type: 'number',
default: 50,
displayOptions: {
show: {
operation: [
'draw',
],
primitive: [
'circle',
'line',
'rectangle',
],
},
},
description: 'X (horizontal) start position of the primitive',
},
{
displayName: 'Start Position Y',
name: 'startPositionY',
type: 'number',
default: 50,
displayOptions: {
show: {
operation: [
'draw',
],
primitive: [
'circle',
'line',
'rectangle',
],
},
},
description: 'Y (horizontal) start position of the primitive',
},
{
displayName: 'End Position X',
name: 'endPositionX',
type: 'number',
default: 250,
displayOptions: {
show: {
operation: [
'draw',
],
primitive: [
'circle',
'line',
'rectangle',
],
},
},
description: 'X (horizontal) end position of the primitive',
},
{
displayName: 'End Position Y',
name: 'endPositionY',
type: 'number',
default: 250,
displayOptions: {
show: {
operation: [
'draw',
],
primitive: [
'circle',
'line',
'rectangle',
],
},
},
description: 'Y (horizontal) end position of the primitive',
},
{
displayName: 'Corner Radius',
name: 'cornerRadius',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'draw',
],
primitive: [
'rectangle',
],
},
},
description: 'The radius of the corner to create round corners',
},
// ----------------------------------
// text
// ----------------------------------
{
displayName: 'Text',
name: 'text',
typeOptions: {
rows: 5,
},
type: 'string',
default: '',
placeholder: 'Text to render',
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'Text to write on the image',
},
{
displayName: 'Font Size',
name: 'fontSize',
type: 'number',
default: 18,
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'Size of the text',
},
{
displayName: 'Font Color',
name: 'fontColor',
type: 'color',
default: '#000000',
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'Color of the text',
},
{
displayName: 'Position X',
name: 'positionX',
type: 'number',
default: 50,
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'X (horizontal) position of the text',
},
{
displayName: 'Position Y',
name: 'positionY',
type: 'number',
default: 50,
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'Y (vertical) position of the text',
},
{
displayName: 'Max Line Length',
name: 'lineLength',
type: 'number',
typeOptions: {
minValue: 1,
},
default: 80,
displayOptions: {
show: {
operation: [
'text',
],
},
},
description: 'Max amount of characters in a line before a line-break should get added',
},
// ----------------------------------
// blur
// ----------------------------------
{
displayName: 'Blur',
name: 'blur',
type: 'number',
typeOptions: {
minValue: 0,
maxValue: 1000,
},
default: 5,
displayOptions: {
show: {
operation: [
'blur',
],
},
},
description: 'How strong the blur should be',
},
{
displayName: 'Sigma',
name: 'sigma',
type: 'number',
typeOptions: {
minValue: 0,
maxValue: 1000,
},
default: 2,
displayOptions: {
show: {
operation: [
'blur',
],
},
},
description: 'The sigma of the blur',
},
// ----------------------------------
// border
// ----------------------------------
{
displayName: 'Border Width',
name: 'borderWidth',
type: 'number',
default: 10,
displayOptions: {
show: {
operation: [
'border',
],
},
},
description: 'The width of the border',
},
{
displayName: 'Border Height',
name: 'borderHeight',
type: 'number',
default: 10,
displayOptions: {
show: {
operation: [
'border',
],
},
},
description: 'The height of the border',
},
{
displayName: 'Border Color',
name: 'borderColor',
type: 'color',
default: '#000000',
displayOptions: {
show: {
operation: [
'border',
],
},
},
description: 'Color of the border',
},
// ----------------------------------
// composite
// ----------------------------------
{
displayName: 'Composite Image Property',
name: 'dataPropertyNameComposite',
type: 'string',
default: '',
placeholder: 'data2',
displayOptions: {
show: {
operation: [
'composite',
],
},
},
description: 'The name of the binary property which contains the data of the image to composite on top of image which is found in Property Name',
},
{
displayName: 'Operator',
name: 'operator',
type: 'options',
displayOptions: {
show: {
operation: [
'composite',
],
},
},
options: [
{
name: 'Add',
value: 'Add',
},
{
name: 'Atop',
value: 'Atop',
},
{
name: 'Bumpmap',
value: 'Bumpmap',
},
{
name: 'Copy',
value: 'Copy',
},
{
name: 'Copy Black',
value: 'CopyBlack',
},
{
name: 'Copy Blue',
value: 'CopyBlue',
},
{
name: 'Copy Cyan',
value: 'CopyCyan',
},
{
name: 'Copy Green',
value: 'CopyGreen',
},
{
name: 'Copy Magenta',
value: 'CopyMagenta',
},
{
name: 'Copy Opacity',
value: 'CopyOpacity',
},
{
name: 'Copy Red',
value: 'CopyRed',
},
{
name: 'Copy Yellow',
value: 'CopyYellow',
},
{
name: 'Difference',
value: 'Difference',
},
{
name: 'Divide',
value: 'Divide',
},
{
name: 'In',
value: 'In',
},
{
name: 'Minus',
value: 'Minus',
},
{
name: 'Multiply',
value: 'Multiply',
},
{
name: 'Out',
value: 'Out',
},
{
name: 'Over',
value: 'Over',
},
{
name: 'Plus',
value: 'Plus',
},
{
name: 'Subtract',
value: 'Subtract',
},
{
name: 'Xor',
value: 'Xor',
},
],
default: 'Over',
description: 'The operator to use to combine the images',
},
{
displayName: 'Position X',
name: 'positionX',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'composite',
],
},
},
description: 'X (horizontal) position of composite image',
},
{
displayName: 'Position Y',
name: 'positionY',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'composite',
],
},
},
description: 'Y (vertical) position of composite image',
},
// ----------------------------------
// crop
// ----------------------------------
{
displayName: 'Width',
name: 'width',
type: 'number',
default: 500,
displayOptions: {
show: {
operation: [
'crop',
],
},
},
description: 'Crop width',
},
{
displayName: 'Height',
name: 'height',
type: 'number',
default: 500,
displayOptions: {
show: {
operation: [
'crop',
],
},
},
description: 'Crop height',
},
{
displayName: 'Position X',
name: 'positionX',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'crop',
],
},
},
description: 'X (horizontal) position to crop from',
},
{
displayName: 'Position Y',
name: 'positionY',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'crop',
],
},
},
description: 'Y (vertical) position to crop from',
},
// ----------------------------------
// resize
// ----------------------------------
{
displayName: 'Width',
name: 'width',
type: 'number',
default: 500,
displayOptions: {
show: {
operation: [
'resize',
],
},
},
description: 'New width of the image',
},
{
displayName: 'Height',
name: 'height',
type: 'number',
default: 500,
displayOptions: {
show: {
operation: [
'resize',
],
},
},
description: 'New height of the image',
},
{
displayName: 'Option',
name: 'resizeOption',
type: 'options',
options: [
{
name: 'Ignore Aspect Ratio',
value: 'ignoreAspectRatio',
description: 'Ignore aspect ratio and resize exactly to specified values',
},
{
name: 'Maximum Area',
value: 'maximumArea',
description: 'Specified values are maximum area',
},
{
name: 'Minimum Area',
value: 'minimumArea',
description: 'Specified values are minimum area',
},
{
name: 'Only if Larger',
value: 'onlyIfLarger',
description: 'Resize only if image is larger than width or height',
},
{
name: 'Only if Smaller',
value: 'onlyIfSmaller',
description: 'Resize only if image is smaller than width or height',
},
{
name: 'Percent',
value: 'percent',
description: 'Width and height are specified in percents',
},
],
default: 'maximumArea',
displayOptions: {
show: {
operation: [
'resize',
],
},
},
description: 'How to resize the image',
},
// ----------------------------------
// rotate
// ----------------------------------
{
displayName: 'Rotate',
name: 'rotate',
type: 'number',
typeOptions: {
minValue: -360,
maxValue: 360,
},
default: 0,
displayOptions: {
show: {
operation: [
'rotate',
],
},
},
description: 'How much the image should be rotated',
},
{
displayName: 'Background Color',
name: 'backgroundColor',
type: 'color',
default: '#ffffffff',
typeOptions: {
showAlpha: true,
},
displayOptions: {
show: {
operation: [
'rotate',
],
},
},
description: 'The color to use for the background when image gets rotated by anything which is not a multiple of 90',
},
// ----------------------------------
// shear
// ----------------------------------
{
displayName: 'Degrees X',
name: 'degreesX',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'shear',
],
},
},
description: 'X (horizontal) shear degrees',
},
{
displayName: 'Degrees Y',
name: 'degreesY',
type: 'number',
default: 0,
displayOptions: {
show: {
operation: [
'shear',
],
},
},
description: 'Y (vertical) shear degrees',
},
// ----------------------------------
// transparent
// ----------------------------------
{
displayName: 'Color',
name: 'color',
type: 'color',
default: '#ff0000',
displayOptions: {
show: {
operation: [
'transparent',
],
},
},
description: 'The color to make transparent',
},
];
export class EditImage implements INodeType {
description: INodeTypeDescription = {
displayName: 'Edit Image',
name: 'editImage',
icon: 'fa:image',
group: ['transform'],
version: 1,
description: 'Edits an image like blur, resize or adding border and text',
defaults: {
name: 'Edit Image',
color: '#553399',
},
inputs: ['main'],
outputs: ['main'],
properties: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Get Information',
value: 'information',
description: 'Returns image information like resolution',
},
{
name: 'Multi Step',
value: 'multiStep',
description: 'Perform multiple operations',
},
...nodeOperations,
].sort((a, b) => {
if ((a as INodePropertyOptions).name.toLowerCase() < (b as INodePropertyOptions).name.toLowerCase()) { return -1; }
if ((a as INodePropertyOptions).name.toLowerCase() > (b as INodePropertyOptions).name.toLowerCase()) { return 1; }
return 0;
}) as INodePropertyOptions[],
default: 'border',
},
{
displayName: 'Property Name',
name: 'dataPropertyName',
type: 'string',
default: 'data',
description: 'Name of the binary property in which the image data can be found',
},
// ----------------------------------
// multiStep
// ----------------------------------
{
displayName: 'Operations',
name: 'operations',
placeholder: 'Add Operation',
type: 'fixedCollection',
typeOptions: {
multipleValues: true,
sortable: true,
},
displayOptions: {
show: {
operation: [
'multiStep',
],
},
},
description: 'The operations to perform',
default: {},
options: [
{
name: 'operations',
displayName: 'Operations',
values: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: nodeOperations,
default: '',
},
...nodeOperationOptions,
{
displayName: 'Font Name or ID',
name: 'font',
type: 'options',
displayOptions: {
show: {
'operation': [
'text',
],
},
},
typeOptions: {
loadOptionsMethod: 'getFonts',
},
default: 'default',
description: 'The font to use. Choose from the list, or specify an ID using an expression.',
},
],
},
],
},
...nodeOperationOptions,
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Option',
default: {},
displayOptions: {
hide: {
operation: [
'information',
],
},
},
options: [
{
displayName: 'File Name',
name: 'fileName',
type: 'string',
default: '',
description: 'File name to set in binary data',
},
{
displayName: 'Font Name or ID',
name: 'font',
type: 'options',
displayOptions: {
show: {
'/operation': [
'text',
],
},
},
typeOptions: {
loadOptionsMethod: 'getFonts',
},
default: 'default',
description: 'The font to use. Choose from the list, or specify an ID using an expression.',
},
{
displayName: 'Format',
name: 'format',
type: 'options',
options: [
{
name: 'bmp',
value: 'bmp',
},
{
name: 'gif',
value: 'gif',
},
{
name: 'jpeg',
value: 'jpeg',
},
{
name: 'png',
value: 'png',
},
{
name: 'tiff',
value: 'tiff',
},
],
default: 'jpeg',
description: 'Set the output image format',
},
{
displayName: 'Quality',
name: 'quality',
type: 'number',
typeOptions: {
minValue: 0,
maxValue: 100,
},
default: 100,
displayOptions: {
show: {
format: [
'jpeg',
'png',
'tiff',
],
},
},
description: 'Sets the jpeg|png|tiff compression level from 0 to 100 (best)',
},
],
},
],
};
methods = {
loadOptions: {
async getFonts(this: ILoadOptionsFunctions): Promise {
// @ts-ignore
const files = await getSystemFonts();
const returnData: INodePropertyOptions[] = [];
files.forEach((file: string) => {
const pathParts = pathParse(file);
if (!pathParts.ext) {
return;
}
returnData.push({
name: pathParts.name,
value: file,
});
});
returnData.sort((a, b) => {
if (a.name < b.name) { return -1; }
if (a.name > b.name) { return 1; }
return 0;
});
returnData.unshift({
name: 'default',
value: 'default',
});
return returnData;
},
},
};
async execute(this: IExecuteFunctions): Promise {
const items = this.getInputData();
const returnData: INodeExecutionData[] = [];
const length = items.length;
let item: INodeExecutionData;
for (let itemIndex = 0; itemIndex < length; itemIndex++) {
try {
item = items[itemIndex];
const operation = this.getNodeParameter('operation', itemIndex) as string;
const dataPropertyName = this.getNodeParameter('dataPropertyName', itemIndex) as string;
const options = this.getNodeParameter('options', itemIndex,{}) as IDataObject;
const cleanupFunctions: Array<() => void> = [];
let gmInstance: gm.State;
const requiredOperationParameters: {
[key: string]: string[],
} = {
blur: [
'blur',
'sigma',
],
border: [
'borderColor',
'borderWidth',
'borderHeight',
],
create: [
'backgroundColor',
'height',
'width',
],
crop: [
'height',
'positionX',
'positionY',
'width',
],
composite: [
'dataPropertyNameComposite',
'operator',
'positionX',
'positionY',
],
draw: [
'color',
'cornerRadius',
'endPositionX',
'endPositionY',
'primitive',
'startPositionX',
'startPositionY',
],
information: [],
resize: [
'height',
'resizeOption',
'width',
],
rotate: [
'backgroundColor',
'rotate',
],
shear: [
'degreesX',
'degreesY',
],
text: [
'font',
'fontColor',
'fontSize',
'lineLength',
'positionX',
'positionY',
'text',
],
};
let operations: IDataObject[] = [];
if (operation === 'multiStep') {
// Operation parameters are already in the correct format
const operationsData = this.getNodeParameter('operations', itemIndex ,{ operations: [] }) as IDataObject;
operations = operationsData.operations as IDataObject[];
} else {
// Operation parameters have to first get collected
const operationParameters: IDataObject = {};
requiredOperationParameters[operation].forEach(parameterName => {
try {
operationParameters[parameterName] = this.getNodeParameter(parameterName, itemIndex);
} catch (error) {}
});
operations = [
{
operation,
...operationParameters,
},
];
}
if (operations[0].operation !== 'create') {
// "create" generates a new image so does not require any incoming data.
if (item.binary === undefined) {
throw new NodeOperationError(this.getNode(), 'Item does not contain any binary data.');
}
if (item.binary[dataPropertyName as string] === undefined) {
throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${dataPropertyName}".`);
}
const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(itemIndex, dataPropertyName);
gmInstance = gm(binaryDataBuffer);
gmInstance = gmInstance.background('transparent');
}
const newItem: INodeExecutionData = {
json: item.json,
binary: {},
pairedItem: {
item: itemIndex,
},
};
if (operation === 'information') {
// Just return the information
const imageData = await new Promise((resolve, reject) => {
gmInstance = gmInstance.identify((error, imageData) => {
if (error) {
reject(error);
return;
}
resolve(imageData as unknown as IDataObject);
});
});
newItem.json = imageData;
}
for (let i = 0; i < operations.length; i++) {
const operationData = operations[i];
if (operationData.operation === 'blur') {
gmInstance = gmInstance!.blur(operationData.blur as number, operationData.sigma as number);
} else if (operationData.operation === 'border') {
gmInstance = gmInstance!.borderColor(operationData.borderColor as string).border(operationData.borderWidth as number, operationData.borderHeight as number);
} else if (operationData.operation === 'composite') {
const positionX = operationData.positionX as number;
const positionY = operationData.positionY as number;
const operator = operationData.operator as string;
const geometryString = (positionX >= 0 ? '+' : '') + positionX + (positionY >= 0 ? '+' : '') + positionY;
if (item.binary![operationData.dataPropertyNameComposite as string] === undefined) {
throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${operationData.dataPropertyNameComposite}".`);
}
const { fd, path, cleanup } = await file();
cleanupFunctions.push(cleanup);
const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(itemIndex, operationData.dataPropertyNameComposite as string);
await fsWriteFileAsync(fd, binaryDataBuffer);
if (operations[0].operation === 'create') {
// It seems like if the image gets created newly we have to create a new gm instance
// else it fails for some reason
gmInstance = gm(gmInstance!.stream('png')).compose(operator).geometry(geometryString).composite(path);
} else {
gmInstance = gmInstance!.compose(operator).geometry(geometryString).composite(path);
}
if (operations.length !== i + 1) {
// If there are other operations after the current one create a new gm instance
// because else things do get messed up
gmInstance = gm(gmInstance.stream());
}
} else if (operationData.operation === 'create') {
gmInstance = gm(operationData.width as number, operationData.height as number, operationData.backgroundColor as string);
if (!options.format) {
options.format = 'png';
}
} else if (operationData.operation === 'crop') {
gmInstance = gmInstance!.crop(operationData.width as number, operationData.height as number, operationData.positionX as number, operationData.positionY as number);
} else if (operationData.operation === 'draw') {
gmInstance = gmInstance!.fill(operationData.color as string);
if (operationData.primitive === 'line') {
gmInstance = gmInstance.drawLine(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number);
} else if (operationData.primitive === 'circle') {
gmInstance = gmInstance.drawCircle(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number);
} else if (operationData.primitive === 'rectangle') {
gmInstance = gmInstance.drawRectangle(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number, operationData.cornerRadius as number || undefined);
}
} else if (operationData.operation === 'resize') {
const resizeOption = operationData.resizeOption as string;
// By default use "maximumArea"
let option: gm.ResizeOption = '@';
if (resizeOption === 'ignoreAspectRatio') {
option = '!';
} else if (resizeOption === 'minimumArea') {
option = '^';
} else if (resizeOption === 'onlyIfSmaller') {
option = '<';
} else if (resizeOption === 'onlyIfLarger') {
option = '>';
} else if (resizeOption === 'percent') {
option = '%';
}
gmInstance = gmInstance!.resize(operationData.width as number, operationData.height as number, option);
} else if (operationData.operation === 'rotate') {
gmInstance = gmInstance!.rotate(operationData.backgroundColor as string, operationData.rotate as number);
} else if (operationData.operation === 'shear') {
gmInstance = gmInstance!.shear(operationData.degreesX as number, operationData.degreesY as number);
} else if (operationData.operation === 'text') {
// Split the text in multiple lines
const lines: string[] = [];
let currentLine = '';
(operationData.text as string).split('\n').forEach((textLine: string) => {
textLine.split(' ').forEach((textPart: string) => {
if ((currentLine.length + textPart.length + 1) > (operationData.lineLength as number)) {
lines.push(currentLine.trim());
currentLine = `${textPart} `;
return;
}
currentLine += `${textPart} `;
});
lines.push(currentLine.trim());
currentLine = '';
});
// Combine the lines to a single string
const renderText = lines.join('\n');
const font = options.font || operationData.font;
if (font && font !== 'default') {
gmInstance = gmInstance!.font(font as string);
}
gmInstance = gmInstance!
.fill(operationData.fontColor as string)
.fontSize(operationData.fontSize as number)
.drawText(operationData.positionX as number, operationData.positionY as number, renderText);
} else if (operationData.operation === 'transparent') {
gmInstance = gmInstance!.transparent(operationData.color as string);
}
}
if (item.binary !== undefined) {
// Create a shallow copy of the binary data so that the old
// data references which do not get changed still stay behind
// but the incoming data does not get changed.
Object.assign(newItem.binary, item.binary);
// Make a deep copy of the binary data we change
if (newItem.binary![dataPropertyName as string]) {
newItem.binary![dataPropertyName as string] = JSON.parse(JSON.stringify(newItem.binary![dataPropertyName as string]));
}
}
if (newItem.binary![dataPropertyName as string] === undefined) {
newItem.binary![dataPropertyName as string] = {
data: '',
mimeType: '',
};
}
if (options.quality !== undefined) {
gmInstance = gmInstance!.quality(options.quality as number);
}
if (options.format !== undefined) {
gmInstance = gmInstance!.setFormat(options.format as string);
newItem.binary![dataPropertyName as string].fileExtension = options.format as string;
newItem.binary![dataPropertyName as string].mimeType = `image/${options.format}`;
const fileName = newItem.binary![dataPropertyName as string].fileName;
if (fileName && fileName.includes('.')) {
newItem.binary![dataPropertyName as string].fileName = fileName.split('.').slice(0, -1).join('.') + '.' + options.format;
}
}
if (options.fileName !== undefined) {
newItem.binary![dataPropertyName as string].fileName = options.fileName as string;
}
returnData.push(await (new Promise((resolve, reject) => {
gmInstance
.toBuffer(async (error: Error | null, buffer: Buffer) => {
cleanupFunctions.forEach(async cleanup => await cleanup());
if (error) {
return reject(error);
}
const binaryData = await this.helpers.prepareBinaryData(Buffer.from(buffer));
newItem.binary![dataPropertyName as string] = {
...newItem.binary![dataPropertyName as string], ...binaryData,
};
return resolve(newItem);
});
})));
} catch (error) {
if (this.continueOnFail()) {
returnData.push({
json: {
error: error.message,
},
pairedItem: {
item: itemIndex,
},
});
continue;
}
throw error;
}
}
return this.prepareOutputData(returnData);
}
}