562 lines
16 KiB
JSON
562 lines
16 KiB
JSON
{
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"meta": {
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"instanceId": "=",
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"templateCredsSetupCompleted": true
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},
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"nodes": [
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{
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"id": "bdc398f0-a882-4fbe-ac37-7ca7e15a1081",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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],
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"parameters": {
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"width": 460,
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"height": 340,
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"content": "\n[🎥 Check My Tutorial](https://www.youtube.com/watch?v=LwTIro6Rapk)"
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},
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"typeVersion": 1
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},
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{
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"id": "d132a584-770e-438c-bd98-28a9c1afa780",
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"name": "When clicking ‘Test workflow’",
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"type": "n8n-nodes-base.manualTrigger",
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"position": [
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1000,
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120
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],
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{
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"id": "d51eec9d-a177-4f5e-89e5-c73b6109f5ce",
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"name": "Loop Over Items",
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"type": "n8n-nodes-base.splitInBatches",
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2100,
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640
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"parameters": {
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"options": {}
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{
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"id": "41da741b-1c1d-4d41-9a96-85cadacd1c8e",
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"type": "n8n-nodes-base.stickyNote",
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"position": [
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1000,
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"parameters": {
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"color": 7,
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"width": 1040,
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"height": 460,
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"content": "### 1. First Block: audit the page to extract all the images with their respective alternative text\nThis workflow sends an HTTP request to collect the HTML processed by the Javascript node to list all the images in the page with their alternative texts. The results are saved in a Google Sheet.\n\n#### How to setup?\n- **Set your page link** in the first node\n- **Record the results in a Google Sheet Node**:\n 1. Add your Google Sheet API credentials to access the Google Sheet file\n 2. Select the file using the list, an URL or an ID\n 3. Select the sheet in which you want to record your working sessions\n 4. Map the fields\n [Learn more about the Google Sheet Node](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets)\n"
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},
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"typeVersion": 1
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},
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{
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"id": "e7a269cd-a2da-4ea9-9ec8-c023c45b9e96",
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"name": "Page Link",
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"type": "n8n-nodes-base.set",
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"position": [
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1200,
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],
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"parameters": {
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"options": {},
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"assignments": {
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"assignments": [
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{
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"id": "e69e5e68-5cd1-4f81-a940-2e5202d5589b",
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"name": "url",
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"type": "string",
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"value": "https://www.samirsaci.com/sustainable-business-strategy-with-data-analytics/"
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},
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{
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"id": "8839ac43-5d6a-4656-b555-714f836fc687",
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"name": "baseUrl",
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"type": "string",
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"value": "https://www.samirsaci.com"
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}
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]
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}
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},
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"notesInFlow": true,
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"typeVersion": 3.4
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},
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{
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"id": "6e6b7801-1f4c-4d00-826d-184dff58cee1",
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"name": "Download Results",
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"type": "n8n-nodes-base.googleSheets",
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"position": [
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1440,
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640
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],
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"parameters": {
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"options": {},
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"sheetName": {
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"__rl": true,
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"mode": "=",
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"value": "gid=0",
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"cachedResultUrl": "=",
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"cachedResultName": "="
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},
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"documentId": {
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"__rl": true,
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"mode": "list",
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"value": "=",
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"cachedResultUrl": "=",
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"cachedResultName": "="
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}
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},
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"typeVersion": 4.5
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},
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{
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"id": "1a137755-3f14-4881-93a5-db7f8678fa0d",
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"name": "altLength < 50",
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"type": "n8n-nodes-base.if",
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"position": [
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1660,
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640
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],
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"parameters": {
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"options": {},
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"conditions": {
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"options": {
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"version": 2,
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"leftValue": "",
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"caseSensitive": true,
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"typeValidation": "strict"
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},
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"combinator": "and",
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"conditions": [
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{
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"id": "a3b0ca70-0496-4966-94fd-f2927ce02ba9",
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"operator": {
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"type": "number",
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"operation": "lt"
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},
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"leftValue": "={{ $json.altLength }}",
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"rightValue": 100
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}
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]
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}
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},
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"typeVersion": 2.2
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},
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{
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"id": "60ea3935-313e-4d16-a8b8-a2fe7da8df82",
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"name": "Limit records",
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"type": "n8n-nodes-base.limit",
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"position": [
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1880,
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560
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],
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"parameters": {
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"maxItems": 5
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},
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"typeVersion": 1
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},
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{
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"id": "5785deb6-1bf4-40a6-b556-42aad4c01c83",
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"name": "Generate altText",
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"type": "@n8n/n8n-nodes-langchain.openAi",
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"position": [
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2320,
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560
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],
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"parameters": {
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"text": "Please generate the alternative text (alt text) for this image under 150 characters.\t",
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"modelId": {
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"__rl": true,
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"mode": "list",
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"value": "gpt-4o-2024-05-13",
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"cachedResultName": "GPT-4O-2024-05-13"
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},
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"options": {
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"maxTokens": 150
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},
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"resource": "image",
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"imageUrls": "={{ $('altLength < 50').item.json.src }}",
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"operation": "analyze"
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},
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"notesInFlow": true,
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"typeVersion": 1.8
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},
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{
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"id": "86051a7f-e91a-4913-9c19-772673ff6306",
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"name": "Update Results",
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"type": "n8n-nodes-base.googleSheets",
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"position": [
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2540,
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640
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],
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"parameters": {
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"columns": {
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"value": {
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"page": "=",
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"index": "={{ $('Loop Over Items').item.json.index }}",
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"newAlt": "={{ $json.content }}"
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},
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"schema": [
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{
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"id": "index",
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"type": "string",
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"display": true,
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"removed": false,
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"required": false,
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"displayName": "index",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "page",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "page",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "src",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "src",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "alt",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "alt",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "altLength",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "altLength",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "newAlt",
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"type": "string",
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"display": true,
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"required": false,
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"displayName": "newAlt",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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},
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{
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"id": "row_number",
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"type": "string",
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"display": true,
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"removed": true,
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"readOnly": true,
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"required": false,
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"displayName": "row_number",
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"defaultMatch": false,
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"canBeUsedToMatch": true
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}
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],
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"mappingMode": "defineBelow",
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||
"matchingColumns": [
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"index"
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],
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"attemptToConvertTypes": false,
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"convertFieldsToString": false
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||
},
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"options": {},
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"operation": "update",
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"sheetName": {
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"__rl": true,
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"mode": "list",
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"value": "gid=0",
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||
"cachedResultUrl": "=",
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||
"cachedResultName": "="
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||
},
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||
"documentId": {
|
||
"__rl": true,
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||
"mode": "list",
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||
"value": "=",
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||
"cachedResultUrl": "=",
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||
"cachedResultName": "="
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||
}
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},
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"typeVersion": 4.5
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||
},
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{
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||
"id": "b1ab97f7-a89e-40c8-ada3-22fcc6da2dcd",
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||
"name": "Sticky Note",
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||
"type": "n8n-nodes-base.stickyNote",
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"position": [
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1000,
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320
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||
],
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||
"parameters": {
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||
"color": 7,
|
||
"width": 1920,
|
||
"height": 520,
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||
"content": "### 2. SecondBlock: generate alternative text for the image with altLength < 50\nThis workflow sends an HTTP request to collect the HTML processed by the Javascript node to list all the images in the page with their alternative texts. The results are saved in a Google Sheet.\n\n#### How to setup?\n- **Set your page link** in the first node\n- **Record the results in a Google Sheet Node**:\n 1. Add your Google Sheet API credentials to access the Google Sheet file\n 2. Select the file using the list, an URL or an ID\n 3. Select the sheet in which you want to record your working sessions\n 4. Map the fields\n [Learn more about the Google Sheet Node](https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets)\n"
|
||
},
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||
"typeVersion": 1
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||
},
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||
{
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||
"id": "c1bf1dcf-6789-43dd-9f15-29895c30fd23",
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||
"name": "Store Results",
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||
"type": "n8n-nodes-base.googleSheets",
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||
"position": [
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1860,
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||
120
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||
],
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"parameters": {
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||
"columns": {
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"value": {
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"alt": "={{ $json.alt }}",
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"src": "={{ $json.src }}",
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"page": "={{ $('Page Link').item.json.url }}",
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"index": "={{ $json.index }}",
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"altLength": "={{ $json.altLength }}"
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||
},
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||
"schema": [
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||
{
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||
"id": "index",
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||
"type": "string",
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||
"display": true,
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||
"required": false,
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||
"displayName": "index",
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||
"defaultMatch": false,
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||
"canBeUsedToMatch": true
|
||
},
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||
{
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||
"id": "page",
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||
"type": "string",
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||
"display": true,
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||
"removed": false,
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||
"required": false,
|
||
"displayName": "page",
|
||
"defaultMatch": false,
|
||
"canBeUsedToMatch": true
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||
},
|
||
{
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||
"id": "src",
|
||
"type": "string",
|
||
"display": true,
|
||
"required": false,
|
||
"displayName": "src",
|
||
"defaultMatch": false,
|
||
"canBeUsedToMatch": true
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||
},
|
||
{
|
||
"id": "alt",
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||
"type": "string",
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||
"display": true,
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||
"required": false,
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"displayName": "alt",
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"defaultMatch": false,
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||
"canBeUsedToMatch": true
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},
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{
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"id": "altLength",
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"type": "string",
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"display": true,
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||
"required": false,
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||
"displayName": "altLength",
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||
"defaultMatch": false,
|
||
"canBeUsedToMatch": true
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},
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||
{
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||
"id": "newAlt",
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"type": "string",
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"display": true,
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||
"required": false,
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||
"displayName": "newAlt",
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||
"defaultMatch": false,
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||
"canBeUsedToMatch": true
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||
}
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||
],
|
||
"mappingMode": "defineBelow",
|
||
"matchingColumns": [],
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||
"attemptToConvertTypes": false,
|
||
"convertFieldsToString": false
|
||
},
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||
"options": {},
|
||
"operation": "append",
|
||
"sheetName": {
|
||
"__rl": true,
|
||
"mode": "list",
|
||
"value": "gid=0",
|
||
"cachedResultUrl": "=",
|
||
"cachedResultName": "="
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||
},
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||
"documentId": {
|
||
"__rl": true,
|
||
"mode": "list",
|
||
"value": "=",
|
||
"cachedResultUrl": "=",
|
||
"cachedResultName": "="
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||
}
|
||
},
|
||
"notesInFlow": true,
|
||
"typeVersion": 4.5
|
||
},
|
||
{
|
||
"id": "fe71094e-3a22-4cda-90ad-4174258a9086",
|
||
"name": "Download HTML",
|
||
"type": "n8n-nodes-base.httpRequest",
|
||
"position": [
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||
1420,
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120
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],
|
||
"parameters": {
|
||
"url": "={{ $json.url }}",
|
||
"options": {}
|
||
},
|
||
"typeVersion": 4.2
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||
},
|
||
{
|
||
"id": "405fe4cf-5271-465c-8e2a-1f5d024228b6",
|
||
"name": "Get Images urls with altText",
|
||
"type": "n8n-nodes-base.code",
|
||
"position": [
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1640,
|
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120
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||
],
|
||
"parameters": {
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||
"jsCode": "const html = $input.first().json.data;\nconst baseUrl = $('Page Link').first().json.baseUrl;\n\nconst imgTagRegex = /<img\\b[^>]*>/gi;\nconst altAttrRegex = /alt\\s*=\\s*[\"']([^\"']*)[\"']/i;\nconst srcAttrRegex = /src\\s*=\\s*[\"']([^\"']*)[\"']/i;\n\nconst imageTags = html.match(imgTagRegex) || [];\n\nconst results = imageTags.map((tag, index) => {\n const altMatch = tag.match(altAttrRegex);\n const srcMatch = tag.match(srcAttrRegex);\n\n let alt = altMatch ? altMatch[1] : '[No alt text]';\n let src = srcMatch ? srcMatch[1] : '[No src]';\n\n // If src is relative, manually join with baseUrl\n if (src !== '[No src]' && !src.startsWith('http')) {\n if (baseUrl.endsWith('/') && src.startsWith('/')) {\n src = baseUrl + src.slice(1);\n } else if (!baseUrl.endsWith('/') && !src.startsWith('/')) {\n src = baseUrl + '/' + src;\n } else {\n src = baseUrl + src;\n }\n }\n\n return {\n index: index + 1,\n src,\n alt,\n altLength: alt.length,\n };\n});\n\nreturn results.map(item => ({ json: item }));"
|
||
},
|
||
"typeVersion": 2
|
||
}
|
||
],
|
||
"pinData": {},
|
||
"connections": {
|
||
"Page Link": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Download HTML",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Download HTML": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Get Images urls with altText",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Limit records": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Loop Over Items",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Update Results": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Loop Over Items",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"altLength < 50": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Limit records",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Loop Over Items": {
|
||
"main": [
|
||
[],
|
||
[
|
||
{
|
||
"node": "Generate altText",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Download Results": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "altLength < 50",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Generate altText": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Update Results",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"Get Images urls with altText": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Store Results",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
},
|
||
"When clicking ‘Test workflow’": {
|
||
"main": [
|
||
[
|
||
{
|
||
"node": "Page Link",
|
||
"type": "main",
|
||
"index": 0
|
||
},
|
||
{
|
||
"node": "Download Results",
|
||
"type": "main",
|
||
"index": 0
|
||
}
|
||
]
|
||
]
|
||
}
|
||
}
|
||
} |