File size: 9,839 Bytes
e903a32 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 |
#!/usr/bin/env node
import { Client } from '@notionhq/client';
/**
* Notion Metadata Extractor
* Extracts document metadata from Notion pages for frontmatter generation
*/
/**
* Extract metadata from Notion page
* @param {string} pageId - Notion page ID
* @param {string} notionToken - Notion API token
* @returns {object} - Extracted metadata object
*/
export async function extractNotionMetadata(pageId, notionToken) {
const notion = new Client({
auth: notionToken,
});
const metadata = {};
try {
// Get page information
const page = await notion.pages.retrieve({ page_id: pageId });
// Extract title from page properties
if (page.properties.title && page.properties.title.title && page.properties.title.title.length > 0) {
metadata.title = page.properties.title.title[0].plain_text;
}
// Extract creation date
if (page.created_time) {
metadata.published = new Date(page.created_time).toLocaleDateString('en-US', {
year: 'numeric',
month: 'short',
day: '2-digit'
});
metadata.created_time = page.created_time;
}
// Extract last edited date
if (page.last_edited_time) {
metadata.last_edited_time = page.last_edited_time;
}
// Extract created by
if (page.created_by && page.created_by.id) {
metadata.created_by = page.created_by.id;
}
// Extract last edited by
if (page.last_edited_by && page.last_edited_by.id) {
metadata.last_edited_by = page.last_edited_by.id;
}
// Extract page URL
metadata.notion_url = page.url;
// Extract page ID
metadata.notion_id = page.id;
// Extract parent information
if (page.parent) {
metadata.parent = {
type: page.parent.type,
id: page.parent[page.parent.type]?.id || page.parent[page.parent.type]
};
}
// Extract cover image if available
if (page.cover) {
metadata.cover = {
type: page.cover.type,
url: page.cover[page.cover.type]?.url || page.cover[page.cover.type]
};
}
// Extract icon if available
if (page.icon) {
metadata.icon = {
type: page.icon.type,
emoji: page.icon.emoji,
url: page.icon.external?.url || page.icon.file?.url
};
}
// Extract authors and custom properties
const customProperties = {};
for (const [key, value] of Object.entries(page.properties)) {
if (key !== 'title') { // Skip title as it's handled separately
const extractedValue = extractPropertyValue(value);
// Check for author-related properties
if (key.toLowerCase().includes('author') ||
key.toLowerCase().includes('writer') ||
key.toLowerCase().includes('creator') ||
value.type === 'people') {
metadata.authors = extractedValue;
} else {
customProperties[key] = extractedValue;
}
}
}
// If no authors found in properties, try to get from created_by
if (!metadata.authors && page.created_by) {
try {
const user = await notion.users.retrieve({ user_id: page.created_by.id });
metadata.authors = [{
name: user.name || user.id,
id: user.id
}];
} catch (error) {
console.log(' ⚠️ Could not fetch author from created_by:', error.message);
// Fallback to basic info
metadata.authors = [{
name: page.created_by.name || page.created_by.id,
id: page.created_by.id
}];
}
}
if (Object.keys(customProperties).length > 0) {
metadata.properties = customProperties;
}
// Try to extract description from page content (first paragraph)
try {
const blocks = await notion.blocks.children.list({ block_id: pageId });
const firstParagraph = blocks.results.find(block =>
block.type === 'paragraph' &&
block.paragraph.rich_text &&
block.paragraph.rich_text.length > 0
);
if (firstParagraph) {
const description = firstParagraph.paragraph.rich_text
.map(text => text.plain_text)
.join('')
.trim();
if (description && description.length > 0) {
metadata.description = description.substring(0, 200) + (description.length > 200 ? '...' : '');
}
}
} catch (error) {
console.log(' ⚠️ Could not extract description from page content');
}
// Generate tags from page properties
const tags = [];
for (const [key, value] of Object.entries(page.properties)) {
if (value.type === 'multi_select' && value.multi_select) {
value.multi_select.forEach(option => {
tags.push(option.name);
});
} else if (value.type === 'select' && value.select) {
tags.push(value.select.name);
}
}
if (tags.length > 0) {
metadata.tags = tags;
}
} catch (error) {
console.error('Error extracting Notion metadata:', error.message);
// Return basic metadata if extraction fails
metadata.title = "Notion Article";
metadata.published = new Date().toLocaleDateString('en-US', {
year: 'numeric',
month: 'short',
day: '2-digit'
});
}
return metadata;
}
/**
* Extract value from Notion property
* @param {object} property - Notion property object
* @returns {any} - Extracted value
*/
function extractPropertyValue(property) {
switch (property.type) {
case 'rich_text':
return property.rich_text.map(text => text.plain_text).join('');
case 'title':
return property.title.map(text => text.plain_text).join('');
case 'number':
return property.number;
case 'select':
return property.select?.name || null;
case 'multi_select':
return property.multi_select.map(option => option.name);
case 'date':
return property.date?.start || null;
case 'checkbox':
return property.checkbox;
case 'url':
return property.url;
case 'email':
return property.email;
case 'phone_number':
return property.phone_number;
case 'created_time':
return property.created_time;
case 'created_by':
return property.created_by?.id || null;
case 'last_edited_time':
return property.last_edited_time;
case 'last_edited_by':
return property.last_edited_by?.id || null;
case 'people':
return property.people.map(person => ({
name: person.name || person.id,
id: person.id
}));
default:
return null;
}
}
/**
* Generate YAML frontmatter from metadata object
* @param {object} metadata - Metadata object
* @returns {string} - YAML frontmatter string
*/
export function generateNotionFrontmatter(metadata) {
let frontmatter = '---\n';
// Title
if (metadata.title) {
frontmatter += `title: "${metadata.title}"\n`;
}
// Description
if (metadata.description) {
frontmatter += `description: "${metadata.description}"\n`;
}
// Publication date
if (metadata.published) {
frontmatter += `published: "${metadata.published}"\n`;
}
// Authors
if (metadata.authors && metadata.authors.length > 0) {
frontmatter += 'authors:\n';
metadata.authors.forEach(author => {
if (typeof author === 'string') {
frontmatter += ` - name: "${author}"\n`;
} else if (author.name) {
frontmatter += ` - name: "${author.name}"\n`;
}
});
}
// Tags
if (metadata.tags && metadata.tags.length > 0) {
frontmatter += 'tags:\n';
metadata.tags.forEach(tag => {
frontmatter += ` - "${tag}"\n`;
});
}
// Notion metadata removed - keeping only standard frontmatter fields
// Cover image
if (metadata.cover && metadata.cover.url) {
frontmatter += `cover: "${metadata.cover.url}"\n`;
}
// Icon
if (metadata.icon) {
if (metadata.icon.emoji) {
frontmatter += `icon: "${metadata.icon.emoji}"\n`;
} else if (metadata.icon.url) {
frontmatter += `icon: "${metadata.icon.url}"\n`;
}
}
// Custom properties removed - keeping frontmatter clean and standard
// Default Astro configuration
frontmatter += 'tableOfContentsAutoCollapse: true\n';
frontmatter += '---\n\n';
return frontmatter;
}
/**
* Extract and generate frontmatter from Notion page
* @param {string} pageId - Notion page ID
* @param {string} notionToken - Notion API token
* @returns {string} - Complete YAML frontmatter
*/
export async function extractAndGenerateNotionFrontmatter(pageId, notionToken) {
const metadata = await extractNotionMetadata(pageId, notionToken);
return generateNotionFrontmatter(metadata);
}
|