unpack-whenwe-json.js - convert html to markdown

.gitignore

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+/out/
+/node_modules/

package.json

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+{
+  "name": "conversion",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "node-html-markdown": "^1.3.0"
+  }
+}

unpack-whenwe-json.js

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+const data = require('./whenwe.json');
+const fs = require('fs');
+const path = require('path');
+const { NodeHtmlMarkdown, NodeHtmlMarkdownOptions } = require('node-html-markdown');
+const nhm = new NodeHtmlMarkdown();
+
+function toYaml(data, body) {
+    const frontmatter = Object.keys(data).sort().map(key => key+': '+(data[key] ?? '')).join("\n");
+    return frontmatter + "\n---\n" + nhm.translate(body);
+}
+
+function date(datestr) {
+    if (datestr) {
+	const [Y,M,D,h,m,s] = datestr.split(/[^0-9]/)
+	return new Date(Date.UTC.call(null, Y,M-1,D,h,m,s)).toISOString();
+    }
+    else
+	return '';
+}
+    
+
+data.forEach((node, ix) => {
+    const lang = 'und';
+    const filepath = path.join('out', 'node.type');
+    const body = node.body.und[0].value;
+    const filename = `${node.uuid}.yml`;
+    
+    fs.mkdirSync(path.join(__dirname, filepath), { recursive: true });
+    const item = {
+	ix: ix, 
+	nid: Number(node.nid),
+	type: node.type,
+	title: node.title,
+	uuid: node.uuid,
+	created: new Date(Number(node.created)*1000).toISOString(),
+	changed: new Date(Number(node.changed)*1000).toISOString(),
+	path: node.path.alias,
+	comment_count: node.comment_count,
+    };
+    switch(node.type) {
+	case 'article':
+	    Object.assign(item, {
+		original_author: node.field_original_author?.und?.[0]?.value, 
+		featured_image: node.field_featured_image?.und?.[0]?.filename,
+		images: node.field_basic_image_image?.und?.map(item => item.filename),
+		category: node.field_category?.und?.[0]?.tid,
+	    });
+	break;
+	    
+	case 'person':
+	    Object.assign(item, {
+		forename_at_birth: node.field_forename_at_birth?.und?.[0]?.value,
+		surname_at_birth: node.field_surname_at_birth?.und?.[0]?.value,
+		other_surnames: node.field_other_surnames?.und?.[0]?.value,
+		other_forenames: node.field_other_forenames?.und?.[0]?.value,
+		title: node.field_title?.und?.[0]?.value,
+		date_of_birth: date(node.field_date_of_birth?.und?.[0]?.value),
+		date_of_death: date(node.field_date_of_death?.und?.[0]?.value),
+		parent_of: node.field_parent_of?.und?.[0]?.value,
+		child_of: node.field_child_of?.und?.[0]?.value,
+		partner_of: node.field_partner_of?.und?.[0]?.value,
+//		lifetime: node.field_lifetime?.und?.[0]?.value,
+		featured_image: node.field_featured_image?.und?.[0]?.filename,
+	    });
+	    break;
+    }
+    fs.writeFileSync(path.join(filepath, filename), toYaml(item, body));
+    console.log(item.title);
+});