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const fs = require('fs');
const crypto = require('crypto');
const path = require("path");
const TOML = require('fast-toml');
const UglifyJS = require('uglify-js');
const jsonminify = require("jsonminify");
const replace = require('replace-in-file');
// check if abridge is used directly or as a theme.
bpath = '';
if (fs.existsSync('./themes')) {
bpath = 'themes/abridge/';
}
const tomlString = String(fs.readFileSync('config.toml'));
const data = TOML.parse(tomlString);
const js_prestyle = data.extra.js_prestyle;
const js_switcher = data.extra.js_switcher;
const js_email_encode = data.extra.js_email_encode;
const js_copycode = data.extra.js_copycode;
const search_library = data.extra.search_library;
const index_format = data.search.index_format;
const uglyurls = data.extra.uglyurls;
const offline = data.extra.offline;
const online_url = data.extra.online_url;
const pwa = data.extra.pwa;
const sitePath = path.resolve('public');// used for offline builds integrity = true
if (offline === false) {
replace.sync({files: 'config.toml', from: /base_url.*=.*/g, to: "base_url=\""+online_url+"\""});
} else if (offline === true) {
replace.sync({files: 'config.toml', from: /base_url.*=.*/g, to: "base_url=\""+sitePath+"\""});
}
base_url = data.base_url;
if (base_url.slice(-1) == "/") {
base_url = base_url.slice(0, -1);
}
function checksum(input) {
var hash = crypto.createHash('sha384').update(input, 'utf8');
var hashBase64 = hash.digest('base64');
return 'sha384-' + hashBase64;
}
function bundle(bpath,js_prestyle,js_switcher,js_email_encode,js_copycode,search_library,index_format,uglyurls,pwa) {
minify_files = [];
if (js_prestyle) {
minify_files.push(bpath+'static/js/prestyle.js');
}
if (js_switcher) {
minify_files.push(bpath+'static/js/theme_button.js');
}
if (js_email_encode) {
minify_files.push(bpath+'static/js/email.js');
}
if (js_copycode) {
minify_files.push(bpath+'static/js/codecopy.js');
}
if (search_library) {
if ((search_library === 'elasticlunr' && offline === true) || (search_library === 'elasticlunr' && index_format === 'elasticlunr_javascript' && uglyurls === true)) {
minify_files.push('public/search_index.en.js');
minify_files.push(bpath+'static/js/elasticlunr.min.js');
minify_files.push(bpath+'static/js/searchjavaugly.js');
} else if (search_library === 'elasticlunr' && index_format === 'elasticlunr_javascript') {
minify_files.push('public/search_index.en.js');
minify_files.push(bpath+'static/js/elasticlunr.min.js');
minify_files.push(bpath+'static/js/searchjava.js');
} else if (search_library === 'elasticlunr') {//abridge default
minify_files.push(bpath+'static/js/elasticlunr.min.js');
minify_files.push(bpath+'static/js/search.js');
} else if (search_library === 'stork') {
minify_files.push(bpath+'static/js/stork.js');
minify_files.push(bpath+'static/js/stork_config.js');
} else if (search_library === 'tinysearch') {
minify_files.push(bpath+'static/js/tinysearch.js');
}
}
if (pwa) {
minify_files.push(bpath+'static/js/sw_load.js');
}
return minify_files;
}
function minify(fileA,outfile) {
const options = {
mangle: true,
compress: {
//expression: true,//Parse a single expression, rather than a program (for parsing JSON).
//global_defs: false,// a way to pass parameters
//module: true,//Process input as ES module (implies --toplevel)
//toplevel: true,//Compress and/or mangle variables in top level scope.
hoist_funs: true,//hoist function declarations
unsafe: true,
unsafe_comps: true,
unsafe_Function: true,
unsafe_math: true,
unsafe_proto: true,
unsafe_regexp: true,
unsafe_undefined: true,
drop_console: true
}
}
if (!outfile) {// outfile parameter omitted, infer based on input
outfile = fileA[0].slice(0,-2)+'min.js';
}
var filesContents = fileA.map(function (file) {// array input to support multiple files
return fs.readFileSync(file, 'utf8');
});
result = UglifyJS.minify(filesContents, options);
fs.writeFileSync(outfile, result.code);
}
if (search_library === 'elasticlunr') {
if (fs.existsSync('content/static/stork_toml.md')) {
replace.sync({files: 'content/static/stork_toml.md', from: /draft.*=.*/g, to: "draft = true"});
}
if (fs.existsSync('content/static/tinysearch_json.md')) {
replace.sync({files: 'content/static/tinysearch_json.md', from: /draft.*=.*/g, to: "draft = true"});
}
} else if (search_library === 'tinysearch') {
if (!fs.existsSync('content/static/tinysearch_json.md')) {// 'content/static/tinysearch_json.md' file is missing, copy from abridge theme.
fs.copyFileSync(bpath+'content/static/tinysearch_json.md', 'content/static/tinysearch_json.md',fs.constants.COPYFILE_EXCL);
}
if (fs.existsSync('content/static/stork_toml.md')) {
replace.sync({files: 'content/static/stork_toml.md', from: /draft.*=.*/g, to: "draft = true"});
}
if (fs.existsSync('content/static/tinysearch_json.md')) {
replace.sync({files: 'content/static/tinysearch_json.md', from: /draft.*=.*/g, to: "draft = false"});
}
// zola build && mkdir -p tmp && tinysearch --optimize --path tmp public/data_tinysearch/index.html && rsync -avz tmp/*.wasm static/ && rm -rf tmp
} else if (search_library === 'stork') {
if (!fs.existsSync('content/static/stork_toml.md')) {// 'content/static/stork_toml.md' file is missing, copy from abridge theme.
fs.copyFileSync(bpath+'content/static/stork_toml.md', 'content/static/stork_toml.md',fs.constants.COPYFILE_EXCL);
}
if (fs.existsSync('content/static/stork_toml.md')) {
replace.sync({files: 'content/static/stork_toml.md', from: /draft.*=.*/g, to: "draft = false"});
}
if (fs.existsSync('content/static/tinysearch_json.md')) {
replace.sync({files: 'content/static/tinysearch_json.md', from: /draft.*=.*/g, to: "draft = true"});
}
// zola build && stork build --input public/data_stork/index.html --output static/stork.st
}
if (pwa) {// Update pwa file list and hashes
if (!fs.existsSync('static/sw.js')) {// static/sw.js file is missing, copy from abridge theme.
fs.copyFileSync(bpath+'static/sw.js', 'static/sw.js',fs.constants.COPYFILE_EXCL);
}
// Generate hashes for PWA BASE_CACHE_FILES
buff = fs.readFileSync('public/abridge.css');
const h_abridge_css = crypto.createHash('sha256').update(buff).digest('hex').slice(0,20);
buff = fs.readFileSync('public/js/abridge.min.js');
const h_abridge_js = crypto.createHash('sha256').update(buff).digest('hex').slice(0,20);
buff = fs.readFileSync('public/js/abridge_nosearch.min.js');
const h_abridge_nosearch_js = crypto.createHash('sha256').update(buff).digest('hex').slice(0,20);
buff = fs.readFileSync('public/js/katexbundle.min.js');
const h_katexbundle_js = crypto.createHash('sha256').update(buff).digest('hex').slice(0,20);
// Generate array from the list of files, for the entire site.
const path = './public/';
cache = 'this.BASE_CACHE_FILES = [';
files = fs.readdirSync(path, { recursive: true, withFileTypes: false })
.forEach(
(file) => {
// check if is directory, if not then add the path/file
if (!fs.lstatSync(path+file).isDirectory()) {
// format output
item = "/"+file.replace(/index\.html$/i,'');// strip index.html from path
item = item.replace(/^\/sw(\.min)?\.js/i,'');// dont cache service worker
// look for files ending in .js, if its not preceded by .min then skip it.
// if formatted output is not empty line then append it to cache var
if (item != '') {// skip empty lines
cache = cache+"'"+item+"',";
}
}
}
);
cache = cache.slice(0, -1)+'];'// remove the last comma and close the array
// add cachebust hashes
cache = cache.replace(/abridge\.css/i,'abridge.css?h='+h_abridge_css);
cache = cache.replace(/abridge\.min\.js/i,'abridge.min.js?h='+h_abridge_js);
cache = cache.replace(/abridge_nosearch\.min\.js/i,'abridge_nosearch.min.js?h='+h_abridge_nosearch_js);
cache = cache.replace(/katexbundle\.min\.js/i,'katexbundle.min.js?h='+h_katexbundle_js);
//console.log(cache);
// update the BASE_CACHE_FILES variable in the sw.js service worker file
results = replace.sync({
files: 'static/sw.js',
from: /this\.BASE_CACHE_FILES =.*/g,
to: cache,
countMatches: true,
});
}
if (bpath === '') {// abridge used directly
// These are truely static js files, so they should only need to be updated by abridge maintainer or contributors.
minify(['static/js/theme.js']);
minify(['static/js/theme_light.js']);
minify(['static/js/katex.min.js','static/js/mathtex-script-type.min.js','static/js/katex-auto-render.min.js','static/js/katexoptions.js'],'static/js/katexbundle.min.js');
minify(['static/js/elasticlunr.min.js','static/js/search.js'],'static/js/search_elasticlunr.min.js');
minify(['static/js/stork.js','static/js/stork_config.js'],'static/js/search_stork.min.js');
minify(['static/js/tinysearch.js'],'static/js/search_tinysearch.min.js');
minify(['static/js/prestyle.js','static/js/theme_button.js','static/js/email.js','static/js/codecopy.js','static/js/sw_load.js'],'static/js/abridge_nosearch.min.js');
minify(['static/js/prestyle.js','static/js/theme_button.js','static/js/email.js','static/js/codecopy.js'],'static/js/abridge_nosearch_nopwa.min.js');
minify(['static/js/sw_load.js']);
minify(['static/sw.js']);
} else if (pwa) {
minify([bpath+'static/js/sw_load.js']);
minify([bpath+'static/sw.js']);
}
// Minify the json manifest
let out;
try {
out = JSON.minify(fs.readFileSync('static/manifest.json', {encoding:"utf-8"}));
} catch(err) {
stdout.write(" - ❌\n\n\n");
}
fs.writeFileSync('static/manifest.min.json', out);
abridge_bundle = bundle(bpath,js_prestyle,js_switcher,js_email_encode,js_copycode,search_library,index_format,uglyurls,false);
minify(abridge_bundle,bpath+'static/js/abridge_nopwa.min.js');
abridge_bundle = bundle(bpath,js_prestyle,js_switcher,js_email_encode,js_copycode,search_library,index_format,uglyurls,pwa);
minify(abridge_bundle,bpath+'static/js/abridge.min.js');
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