mirror of
https://github.com/n8n-io/n8n.git
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b03e358a12
* 👕 Enable `consistent-type-imports` for nodes-base
* 👕 Apply to nodes-base
* ⏪ Undo unrelated changes
* 🚚 Move to `.eslintrc.js` in nodes-base
* ⏪ Revert "Enable `consistent-type-imports` for nodes-base"
This reverts commit 529ad72b05.
* 👕 Fix severity
621 lines
18 KiB
TypeScript
621 lines
18 KiB
TypeScript
import type { IExecuteFunctions } from 'n8n-core';
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import type {
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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JsonObject,
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} from 'n8n-workflow';
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import { deepCopy } from 'n8n-workflow';
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import { Converter } from 'showdown';
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import { NodeHtmlMarkdown } from 'node-html-markdown';
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import { isEmpty, set } from 'lodash';
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export class Markdown implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Markdown',
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name: 'markdown',
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icon: 'file:markdown.svg',
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group: ['output'],
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version: 1,
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subtitle:
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'={{$parameter["mode"]==="markdownToHtml" ? "Markdown to HTML" : "HTML to Markdown"}}',
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description: 'Convert data between Markdown and HTML',
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defaults: {
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name: 'Markdown',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [],
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properties: [
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{
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displayName: 'Mode',
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name: 'mode',
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type: 'options',
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options: [
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{
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name: 'Markdown to HTML',
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value: 'markdownToHtml',
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description: 'Convert data from Markdown to HTML',
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},
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{
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name: 'HTML to Markdown',
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value: 'htmlToMarkdown',
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description: 'Convert data from HTML to Markdown',
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},
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],
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default: 'htmlToMarkdown',
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},
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{
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displayName: 'HTML',
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name: 'html',
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type: 'string',
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displayOptions: {
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show: {
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mode: ['htmlToMarkdown'],
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},
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},
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default: '',
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required: true,
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description: 'The HTML to be converted to markdown',
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},
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{
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displayName: 'Markdown',
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name: 'markdown',
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type: 'string',
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displayOptions: {
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show: {
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mode: ['markdownToHtml'],
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},
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},
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default: '',
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required: true,
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description: 'The Markdown to be converted to html',
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},
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{
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displayName: 'Destination Key',
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name: 'destinationKey',
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type: 'string',
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displayOptions: {
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show: {
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mode: ['markdownToHtml', 'htmlToMarkdown'],
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},
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},
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default: 'data',
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required: true,
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placeholder: '',
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description:
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'The field to put the output in. Specify nested fields using dots, e.g."level1.level2.newKey".',
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},
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//============= HTML to Markdown Options ===============
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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displayOptions: {
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show: {
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mode: ['htmlToMarkdown'],
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},
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},
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options: [
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{
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displayName: 'Bullet Marker',
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name: 'bulletMarker',
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type: 'string',
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default: '*',
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description: 'Specify bullet marker, default *',
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},
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{
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displayName: 'Code Block Fence',
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name: 'codeFence',
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type: 'string',
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default: '```',
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description: 'Specify code block fence, default ```',
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},
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{
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displayName: 'Emphasis Delimiter',
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name: 'emDelimiter',
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type: 'string',
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default: '_',
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description: 'Specify emphasis delimiter, default _',
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},
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{
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displayName: 'Global Escape Pattern',
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name: 'globalEscape',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: false,
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},
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default: {},
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description:
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'Setting this will override the default escape settings, you might want to use textReplace option instead',
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options: [
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{
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name: 'value',
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displayName: 'Value',
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values: [
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{
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displayName: 'Pattern',
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name: 'pattern',
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type: 'string',
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default: '',
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description: 'RegEx for pattern',
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},
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{
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displayName: 'Replacement',
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name: 'replacement',
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type: 'string',
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default: '',
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description: 'String replacement',
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},
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],
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},
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],
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},
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{
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displayName: 'Ignored Elements',
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name: 'ignore',
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type: 'string',
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default: '',
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description:
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'Supplied elements will be ignored (ignores inner text does not parse children)',
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placeholder: 'e.g. h1, p ...',
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hint: 'Comma separated elements',
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},
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{
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displayName: 'Keep Images With Data',
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name: 'keepDataImages',
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type: 'boolean',
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default: false,
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description:
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'Whether to keep images with data: URI (Note: These can be up to 1MB each), e.g. <img src="data:image/gif;base64,R0lGODlhEAAQAMQAAORHHOVSK......0o/">',
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},
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{
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displayName: 'Line Start Escape Pattern',
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name: 'lineStartEscape',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: false,
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},
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default: {},
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description:
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'Setting this will override the default escape settings, you might want to use textReplace option instead',
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options: [
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{
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name: 'value',
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displayName: 'Value',
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values: [
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{
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displayName: 'Pattern',
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name: 'pattern',
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type: 'string',
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default: '',
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description: 'RegEx for pattern',
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},
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{
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displayName: 'Replacement',
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name: 'replacement',
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type: 'string',
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default: '',
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description: 'String replacement',
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},
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],
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},
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],
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},
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{
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displayName: 'Max Consecutive New Lines',
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name: 'maxConsecutiveNewlines',
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type: 'number',
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default: 3,
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description: 'Specify max consecutive new lines allowed',
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},
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{
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displayName: 'Place URLs At The Bottom',
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name: 'useLinkReferenceDefinitions',
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type: 'boolean',
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default: false,
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description:
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'Whether to Place URLS at the bottom and format links using link reference definitions',
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},
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{
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displayName: 'Strong Delimiter',
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name: 'strongDelimiter',
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type: 'string',
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default: '**',
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description: 'Specify strong delimiter, default **',
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},
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{
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displayName: 'Style For Code Block',
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name: 'codeBlockStyle',
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type: 'options',
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default: 'fence',
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description: 'Specify style for code block, default "fence"',
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options: [
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{
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name: 'Fence',
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value: 'fence',
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},
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{
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name: 'Indented',
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value: 'indented',
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},
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],
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},
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{
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displayName: 'Text Replacement Pattern',
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name: 'textReplace',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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},
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default: [],
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description:
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'User-defined text replacement pattern (Replaces matching text retrieved from nodes)',
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options: [
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{
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name: 'values',
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displayName: 'Values',
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values: [
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{
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displayName: 'Pattern',
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name: 'pattern',
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type: 'string',
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default: '',
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description: 'RegEx for pattern',
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},
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{
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displayName: 'Replacement',
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name: 'replacement',
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type: 'string',
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default: '',
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description: 'String replacement',
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},
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],
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},
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],
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},
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{
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displayName: 'Treat As Blocks',
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name: 'blockElements',
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type: 'string',
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default: '',
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description:
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'Supplied elements will be treated as blocks (surrounded with blank lines)',
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placeholder: 'e.g. p, div, ...',
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hint: 'Comma separated elements',
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},
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],
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},
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//============= Markdown to HTML Options ===============
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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displayOptions: {
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show: {
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mode: ['markdownToHtml'],
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},
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},
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options: [
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{
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displayName: 'Add Blank To Links',
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name: 'openLinksInNewWindow',
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type: 'boolean',
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default: false,
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description:
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'Whether to open all links in new windows (by adding the attribute target="_blank" to <a> tags)',
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},
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{
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displayName: 'Automatic Linking to URLs',
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name: 'simplifiedAutoLink',
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type: 'boolean',
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default: false,
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description: 'Whether to enable automatic linking to URLs',
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},
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{
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displayName: 'Backslash Escapes HTML Tags',
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name: 'backslashEscapesHTMLTags',
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type: 'boolean',
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default: false,
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description: 'Whether to support for HTML Tag escaping ex: <div>foo</div>',
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},
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{
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displayName: 'Complete HTML Document',
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name: 'completeHTMLDocument',
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type: 'boolean',
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default: false,
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description:
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'Whether to output a complete html document, including <html>, <head> and <body> tags instead of an HTML fragment',
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},
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{
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displayName: 'Customized Header ID',
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name: 'customizedHeaderId',
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type: 'boolean',
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default: false,
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description: 'Whether to use text in curly braces as header ID',
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},
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{
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displayName: 'Emoji Support',
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name: 'emoji',
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type: 'boolean',
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default: false,
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description:
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'Whether to enable emoji support. Ex: this is a :smile: emoji For more info on available emojis, see https://github.com/showdownjs/showdown/wiki/Emojis.',
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},
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{
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displayName: 'Encode Emails',
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name: 'encodeEmails',
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type: 'boolean',
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default: true,
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description:
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'Whether to enable e-mail addresses encoding through the use of Character Entities, transforming ASCII e-mail addresses into its equivalent decimal entities',
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},
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{
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displayName: 'Exclude Trailing Punctuation From URLs',
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name: 'excludeTrailingPunctuationFromURLs',
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type: 'boolean',
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default: false,
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description:
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'Whether to exclude trailing punctuation from autolinking URLs. Punctuation excluded: . ! ? ( ). Only applies if simplifiedAutoLink option is set to true.',
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},
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{
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displayName: 'GitHub Code Blocks',
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name: 'ghCodeBlocks',
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type: 'boolean',
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default: true,
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description: 'Whether to enable support for GFM code block style',
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},
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{
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displayName: 'GitHub Compatible Header IDs',
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name: 'ghCompatibleHeaderId',
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type: 'boolean',
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default: false,
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description:
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'Whether to generate header IDs compatible with github style (spaces are replaced with dashes and a bunch of non alphanumeric chars are removed)',
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},
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{
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displayName: 'GitHub Mention Link',
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name: 'ghMentionsLink',
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type: 'string',
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default: 'https://github.com/{u}',
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description:
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'Whether to change the link generated by @mentions. Showdown will replace {u} with the username. Only applies if ghMentions option is enabled.',
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},
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{
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displayName: 'GitHub Mentions',
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name: 'ghMentions',
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type: 'boolean',
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default: false,
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description: 'Whether to enable github @mentions, which link to the username mentioned',
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},
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{
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displayName: 'GitHub Task Lists',
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name: 'tasklists',
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type: 'boolean',
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default: false,
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description: 'Whether to enable support for GFM tasklists',
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},
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{
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displayName: 'Header Level Start',
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name: 'headerLevelStart',
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type: 'number',
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default: 1,
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description: 'Whether to set the header starting level',
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},
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{
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displayName: 'Mandatory Space Before Header',
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name: 'requireSpaceBeforeHeadingText',
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type: 'boolean',
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default: false,
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description: 'Whether to make adding a space between # and the header text mandatory',
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},
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{
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displayName: 'Middle Word Asterisks',
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name: 'literalMidWordAsterisks',
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type: 'boolean',
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default: false,
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description:
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'Whether to stop showdown from interpreting asterisks in the middle of words as <em> and <strong> and instead treat them as literal asterisks',
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},
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{
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displayName: 'Middle Word Underscores',
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name: 'literalMidWordUnderscores',
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type: 'boolean',
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default: false,
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description:
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'Whether to stop showdown from interpreting underscores in the middle of words as <em> and <strong> and instead treat them as literal underscores',
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},
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{
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displayName: 'No Header ID',
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name: 'noHeaderId',
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type: 'boolean',
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default: false,
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description: 'Whether to disable the automatic generation of header IDs',
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},
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{
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displayName: 'Parse Image Dimensions',
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name: 'parseImgDimensions',
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type: 'boolean',
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default: false,
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description:
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'Whether to enable support for setting image dimensions from within markdown syntax',
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},
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{
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displayName: 'Prefix Header ID',
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name: 'prefixHeaderId',
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type: 'string',
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default: 'section',
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description: 'Add a prefix to the generated header IDs',
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},
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{
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displayName: 'Raw Header ID',
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name: 'rawHeaderId',
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type: 'boolean',
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default: false,
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description:
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'Whether to remove only spaces, \' and " from generated header IDs (including prefixes), replacing them with dashes (-)',
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},
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{
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displayName: 'Raw Prefix Header ID',
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name: 'rawPrefixHeaderId',
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type: 'boolean',
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default: false,
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description: 'Whether to prevent showdown from modifying the prefix',
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},
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{
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displayName: 'Simple Line Breaks',
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name: 'simpleLineBreaks',
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type: 'boolean',
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default: false,
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description:
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'Whether to parse line breaks as <br>, like GitHub does, without needing 2 spaces at the end of the line',
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},
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{
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displayName: 'Smart Indentation Fix',
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name: 'smartIndentationFix',
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type: 'boolean',
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default: false,
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description:
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'Whether to try to smartly fix indentation problems related to es6 template strings in the midst of indented code',
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},
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{
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displayName: 'Spaces Indented Sublists',
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name: 'disableForced4SpacesIndentedSublists',
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type: 'boolean',
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default: false,
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description:
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'Whether to disable the requirement of indenting sublists by 4 spaces for them to be nested, effectively reverting to the old behavior where 2 or 3 spaces were enough',
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},
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{
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displayName: 'Split Adjacent Blockquotes',
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name: 'splitAdjacentBlockquotes',
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type: 'boolean',
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default: false,
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description: 'Whether to split adjacent blockquote blocks',
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},
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{
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displayName: 'Strikethrough',
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name: 'strikethrough',
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type: 'boolean',
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default: false,
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description: 'Whether to enable support for strikethrough syntax',
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},
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{
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displayName: 'Tables Header ID',
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name: 'tablesHeaderId',
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type: 'boolean',
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default: false,
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description: 'Whether to add an ID property to table headers tags',
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},
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{
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displayName: 'Tables Support',
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name: 'tables',
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type: 'boolean',
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default: false,
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description: 'Whether to enable support for tables syntax',
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},
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],
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},
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],
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const returnData: IDataObject[] = [];
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const mode = this.getNodeParameter('mode', 0) as string;
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const { length } = items;
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for (let i = 0; i < length; i++) {
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try {
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if (mode === 'htmlToMarkdown') {
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const options = this.getNodeParameter('options', i);
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const destinationKey = this.getNodeParameter('destinationKey', i) as string;
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|
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const textReplaceOption = this.getNodeParameter(
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'options.textReplace.values',
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i,
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[],
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) as IDataObject[];
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options.textReplace = !isEmpty(textReplaceOption)
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? textReplaceOption.map((entry) => [entry.pattern, entry.replacement])
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: undefined;
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|
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const lineStartEscapeOption = this.getNodeParameter(
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'options.lineStartEscape.value',
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i,
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{},
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) as IDataObject;
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options.lineStartEscape = !isEmpty(lineStartEscapeOption)
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? [lineStartEscapeOption.pattern, lineStartEscapeOption.replacement]
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: undefined;
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|
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const globalEscapeOption = this.getNodeParameter(
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'options.globalEscape.value',
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i,
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{},
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) as IDataObject;
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options.globalEscape = !isEmpty(globalEscapeOption)
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? [globalEscapeOption.pattern, globalEscapeOption.replacement]
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: undefined;
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options.ignore = options.ignore
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? (options.ignore as string).split(',').map((element) => element.trim())
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: undefined;
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options.blockElements = options.blockElements
|
|
? (options.blockElements as string).split(',').map((element) => element.trim())
|
|
: undefined;
|
|
|
|
const markdownOptions = {} as IDataObject;
|
|
|
|
Object.keys(options).forEach((option) => {
|
|
if (options[option]) {
|
|
markdownOptions[option] = options[option];
|
|
}
|
|
});
|
|
|
|
const html = this.getNodeParameter('html', i) as string;
|
|
|
|
const markdownFromHTML = NodeHtmlMarkdown.translate(html, markdownOptions);
|
|
|
|
const newItem = deepCopy(items[i].json);
|
|
set(newItem, destinationKey, markdownFromHTML);
|
|
returnData.push(newItem);
|
|
}
|
|
|
|
if (mode === 'markdownToHtml') {
|
|
const markdown = this.getNodeParameter('markdown', i) as string;
|
|
const destinationKey = this.getNodeParameter('destinationKey', i) as string;
|
|
const options = this.getNodeParameter('options', i);
|
|
|
|
const converter = new Converter();
|
|
|
|
Object.keys(options).forEach((key) => converter.setOption(key, options[key]));
|
|
const htmlFromMarkdown = converter.makeHtml(markdown);
|
|
|
|
const newItem = deepCopy(items[i].json);
|
|
set(newItem, destinationKey, htmlFromMarkdown);
|
|
|
|
returnData.push(newItem);
|
|
}
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
returnData.push({ error: (error as JsonObject).message });
|
|
continue;
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
return [this.helpers.returnJsonArray(returnData)];
|
|
}
|
|
}
|