104 lines
2.8 KiB
JavaScript
Executable File
104 lines
2.8 KiB
JavaScript
Executable File
var path = require("path");
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var fs = require("fs");
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var lunr = require("lunr");
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var cheerio = require("cheerio");
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// don't modify this, it'll be modified on the fly by lunr() in Franklin
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const PATH_PREPEND = "..";
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const HTML_FOLDER = "../../__site";
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const OUTPUT_INDEX = "lunr_index.js";
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function isHtml(filename) {
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lower = filename.toLowerCase();
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return (lower.endsWith(".htm") || lower.endsWith(".html"));
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}
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function findHtml(folder) {
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if (!fs.existsSync(folder)) {
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console.log("Could not find folder: ", folder);
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return;
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}
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var files = fs.readdirSync(folder);
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var htmls = [];
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for (var i = 0; i < files.length; i++) {
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var filename = path.join(folder, files[i]);
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var stat = fs.lstatSync(filename);
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if (stat.isDirectory()) {
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if (stat == "assets" || stat == "css" || stat == "libs" ) {
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continue
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}
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var recursed = findHtml(filename);
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for (var j = 0; j < recursed.length; j++) {
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recursed[j] = path.join(files[i], recursed[j]).replace(/\\/g, "/");
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}
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htmls.push.apply(htmls, recursed);
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}
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else if (isHtml(filename)){
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htmls.push(files[i]);
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};
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};
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return htmls;
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};
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function readHtml(root, file, fileId) {
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var filename = path.join(root, file);
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var txt = fs.readFileSync(filename).toString();
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var $ = cheerio.load(txt);
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var title = $("title").text();
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if (typeof title == 'undefined') title = file;
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var body = $("body").text()
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if (typeof body == 'undefined') body = "";
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var data = {
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"id": fileId,
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"l": filename,
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"t": title,
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"b": body
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}
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return data;
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}
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function buildIndex(docs) {
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var idx = lunr(function () {
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this.ref('id');
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this.field('t'); // title
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this.field('b'); // body
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docs.forEach(function (doc) {
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this.add(doc);
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}, this);
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});
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return idx;
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}
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function buildPreviews(docs) {
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var result = {};
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for (var i = 0; i < docs.length; i++) {
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var doc = docs[i];
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result[doc["id"]] = {
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"t": doc["t"],
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"l": doc["l"].replace(/^\.\.\/\.\.\/__site/gi, '/' + PATH_PREPEND)
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}
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}
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return result;
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}
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function main() {
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files = findHtml(HTML_FOLDER);
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var docs = [];
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for (var i = 0; i < files.length; i++) {
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docs.push(readHtml(HTML_FOLDER, files[i], i));
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}
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var idx = buildIndex(docs);
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var prev = buildPreviews(docs);
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var js = "const LUNR_DATA = " + JSON.stringify(idx) + ";\n" +
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"const PREVIEW_LOOKUP = " + JSON.stringify(prev) + ";";
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fs.writeFile(OUTPUT_INDEX, js, function(err) {
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if(err) {
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return console.log(err);
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}
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});
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}
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main();
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