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{
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"name": "cogear-plugin-blog",
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"description": "Cogear.JS blog plugin.",
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"version": "1.1.0",
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"author": "Pacharapol Withayasakpunt<patarapolw@gmail.com>",
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"homepage": "https://github.com/patarapolw/cogear-plugin-blog",
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"main": "./plugin.js"
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}
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const path = require('path');
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const {forEach} = require('p-iteration');
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const merge = require('webpack-merge');
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module.exports = {
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// Init method
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async init(){
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/**
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* Blog section in config.yaml must look like this (optional):
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* blog:
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* index: "news" # `blog` by default, virtual page. If page exists, data will be proceed to that page
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*/
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cogear.blog = this;
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let defaults = {
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index: 'blog', // Means `auto`, do it for me
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regex: null,
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split: '===',
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tagUri: 'tag',
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perPage: 5,
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};
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cogear.config.blog = cogear.config.blog ? merge(defaults,cogear.config.blog) : defaults;
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this.config = cogear.config.blog;
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// this.perPage = cogear.config.blog.perPage || 3
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this.regex = new RegExp(cogear.config.blog.regex || '^blog\/(?!tag).+','i');
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// split: new RegExp(cogear.config.blog.regex.cut || '\<p\>[:=_-]{3,}\<\/p\>','img')
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this.pages = {};
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// If no existing index page is configured, create one with 'blog' uri
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if(Object.keys(cogear.pages).includes(cogear.config.blog.index)){
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this.pages[''] = cogear.pages[cogear.config.blog.index];
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} else {
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await this.setIndexPage();
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}
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},
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apply(){
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// 1. Init on preload (when config has already been loaded)
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cogear.on('preload.done',async ()=>{
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await this.init();
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await this.build();
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});
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// 2. Handle pages preloading
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// cogear.on('build.page.layout',async ([page])=>{
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// // If it's a blog page - do not render it # Will cause failure without `posts` variable (will set later)
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// if(this.regex.test(page.uri)){
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// page.content = page.content.replace(this.regex.split,this.cut) // Hide splitter ====
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// }
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// })
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// 3. If page changed - watcher
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cogear.on('watcher.change.page',async(file)=>{
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if(this.regex.test(file)){
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await this.rebuild();
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}
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});
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cogear.on('watcher.add.page',async(file)=>{
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if(this.regex.test(file)){
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await this.rebuild();
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}
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});
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cogear.on('watcher.unlink.page',async([file,page])=>{
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if(this.regex.test(page.uri)){
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if(this.pages[page.uri]){
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delete this.pages[page.uri];
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}
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await this.rebuild();
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}
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});
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// cogear.on('preload.done',async ()=>{
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// await this.build()
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// })
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},
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async setIndexPage(){
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let result = await cogear.emit('preload.page',[null,{
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// title: 'Blog',
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content: '',
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__content: '',
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file: 'blog.md',
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uri: 'blog',
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}]);
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this.pages[''] = result.shift();
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},
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async rebuild(){
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await this.build();
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Object.entries(this.pages).forEach(async ([uri,page])=>{
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await cogear.emit('build.page',page);
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});
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},
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// Blog index build
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async build(){
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let blog = this.pages[''];
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// Object.keys(this.pages).forEach(key=>{
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// if(key != ''){
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// delete this.pages[key];
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// }
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// });
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return new Promise(async(resolve)=>{
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this.tags = [];
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// Get posts, map and sort them
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this.posts = Object.entries(cogear.pages)
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.filter(([file,p])=>this.regex.test(p.uri))
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.map(([file,post])=>{
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if(post.tags){
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this.tags = this.tags.concat(post.tags).filter((v, i, a) => a.indexOf(v) === i);
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}
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return post;
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})
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// .filter(post=>{
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// let isTagPage = false;
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// this.tags.forEach(tag=>{
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// isTagPage = post.uri == path.join(blog.uri,tag);
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// });
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// return !isTagPage;
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// })
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.filter(post => {
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return !Object.keys(this.pages).includes(post.uri);
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})
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.map(post=>{
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if(typeof post.content == 'string'){
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const m = new RegExp(`^(.+)${this.config.split}(.*)$`, "s").exec(post.content);
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if(m){
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post.teaser = m[1];
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post.content = m[1] + m[2];
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} else {
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post.teaser = post.content;
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}
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}
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return post;
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})
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.sort((a,b)=>{
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let aDate = new Date(a.date).getTime();
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let bDate = new Date(b.date).getTime();
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// Sort in DESC order
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return aDate > bDate ? -1 : 1;
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});
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if(!this.posts.length) resolve();
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await this.buildPages(blog,this.posts);
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if(this.tags){
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await forEach(this.tags,(async(tag)=>{
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let tagPage = {...blog};
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tagPage.tag = tag;
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// tagPage.pagination = null
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tagPage.uri = path.join(this.config.tagUri,tag);
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// tagPage.path = path.join('tags',tag,'index.html')
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await this.buildPages(
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tagPage,
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this.posts.filter(post=>Array.isArray(post.tags) && post.tags.includes(tag))
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);
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tagPage = (await cogear.emit('preload.page',[null,tagPage])).shift();
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cogear.pages[tagPage.uri] = tagPage;
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this.pages[tagPage.uri] = tagPage;
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}));
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}
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resolve();
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});
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},
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async buildPages(page,posts){
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let paginator = {
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count: posts.length,
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current: 1,
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perPage: this.config.perPage,
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total: Math.ceil(posts.length/this.config.perPage),
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next: null,
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prev: null,
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baseUri: page.uri,
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};
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// If there is more than 1 page
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if(paginator.total > 1){
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let pageNum = 2;
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while(pageNum <= paginator.total){
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let newPage = {...page};
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let start = this.config.perPage*(pageNum-1);
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let end = start + this.config.perPage;
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newPage.posts = posts.slice(start,end);
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newPage.path = path.join(page.uri,pageNum + '','index.html');
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newPage.uri = path.join(page.uri,pageNum + '/');
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newPage.paginator = {...paginator};
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newPage.paginator.current = pageNum;
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if(pageNum < paginator.total){
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newPage.paginator.next = path.join(page.uri,String(pageNum+1));
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}
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if(pageNum > 2){
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newPage.paginator.prev = path.join(page.uri,String(pageNum-1));
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} else {
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newPage.paginator.prev = page.uri;
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}
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newPage.content = await cogear.parser.render(newPage.__content, newPage);
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cogear.pages[newPage.uri] = newPage;
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this.pages[newPage.uri] = newPage;
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pageNum = pageNum+1;
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}
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paginator.next = path.join(page.uri,'2/');
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page.posts = posts.slice(0,this.config.perPage);
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page.paginator = paginator;
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} else {
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page.posts = posts;
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page.paginator = {...paginator};
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}
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}
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};
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