/
redirects.js
41 lines (37 loc) · 1.19 KB
/
redirects.js
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const es = require('event-stream');
const fs = require('fs');
const frontMatter = require('gulp-front-matter');
const gulp = require('gulp');
const mkdirp = require('mkdirp');
const path = require('path');
const posts = require('./posts');
const reduce = require('stream-reduce');
module.exports = options => {
const { redirectsDir } = options || {};
const generateSlug = posts.generateSlug();
return gulp
.src([ 'pages/**/*', 'posts/**/*' ], { read: true, } )
.pipe(es.map((file, callback) => {
callback(null, file.isDirectory() ? undefined : file);
}))
.pipe(frontMatter({ property: 'frontMatter', remove: true }))
.pipe(posts.generateSlug())
.pipe(es.map((file, callback) => {
const { cwd, base, path, slug } = file;
const type = base.replace(/\/$/, '').split('/').pop();
const page = slug
? slug
: path
.replace(cwd, '')
.split('/')
.slice(2)
.join('/')
.replace(/(\.html|\.md)$/, '');
const entry = type === 'posts' ?
[ 'blog', page ].join('/')
: page === 'index' ?
undefined
: page
callback(null, entry);
}))
};