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gatsby-node.js
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gatsby-node.js
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const path = require('path');
exports.createPages = async ({ graphql, actions }) => {
const { createPage } = actions;
const singleEvent = path.resolve('./src/templates/event.js');
const result = await graphql(`
query GetEvents {
allEvent(sort: {date: ASC}) {
edges {
node {
id
name
slug
image {
extension
id
}
address
date
price
description
excerpt
gallery {
localFile {
publicURL
}
}
}
}
}
}
`);
if (result.errors) {
throw result.errors;
}
let events = result.data.allEvent.edges;
// Create events pages.
events.forEach((event, index) => {
const next = index === events.length - 1 ? null : events[index + 1].node;
const previous = index === 0 ? null : events[index - 1].node;
createPage({
path: event.node.slug,
component: singleEvent,
context: {
slug: event.node.slug,
previous,
next,
},
});
});
const today = new Date();
const filterDate = new Date(`${today.getFullYear()}-${(today.getMonth() + 1).toString().padStart(2, '0')}-01`);
events = events.filter((event) => new Date(event.node.date) > filterDate);
let monthSplitEvents = {};
events.forEach((event) => {
const month = new Date(event.node.date);
const monthIndex = `${month.getFullYear()}-${month.getMonth() + 1}`;
const monthFirstDay = `${month.getFullYear()}-${(month.getMonth() + 1).toString().padStart(2, '0')}-01`;
const monthName = `${month.toLocaleString('en-us', { month: 'long' })} ${month.getFullYear()}`;
if (typeof monthSplitEvents[monthIndex] === 'undefined') {
monthSplitEvents[monthIndex] = {
name: monthName,
firstDay: monthFirstDay,
events: [],
};
}
monthSplitEvents[monthIndex].events.push(event.node);
});
monthSplitEvents = Object.values(monthSplitEvents);
// Create paginated index
const numPages = monthSplitEvents.length;
monthSplitEvents.forEach((item, i) => {
createPage({
path: i === 0 ? '/' : `/${i + 1}`,
component: path.resolve('./src/templates/index.js'),
context: {
events: item.events,
month: item.name,
firstDay: item.firstDay,
numPages,
currentPage: i + 1,
},
});
});
};