7Ds7 · August 29, 2015 14:06 · nikcorg · Sep 21, 2014 · 7Ds7 · Sep 21, 2014
diff --git a/slide-decks-jsconf-2014.md b/slide-decks-jsconf-2014.md
diff --git a/slides-data-to-json.js b/slides-data-to-json.js
 // Use this script to parse the .md to JSON
 // Distributed under the Works On My Computer, You're Entirely On Your Own License
 // WTFPL (http://www.wtfpl.net/) also applies

 var sourceFile = "slide-decks-jsconf-2014.md";
 var sourceUrl = "https://gist.githubusercontent.com/nikcorg/1fe60d2da6e22653806c/raw/301bda69f1ffae7154da693886cb5c46b0a134c2/slide-decks-jsconf-2014.md";
 var rRowSeparator = /\r?\n/;
 var rProbablyUrl = /^https?:/;
 var rEmptyRow = /^(\s+)?$/;
 var rLeadingTrailingWS = /^\s+|\s+$/g;

 function trim(str) {
    return str.replace(rLeadingTrailingWS, "");
 }

 function looksLikeUrl(url) {
    return rProbablyUrl.test(url);
 }

 function createChunk() {
    return [];
 }

 function chunkify(chunks, row) {
    if (rEmptyRow.test(row)) {
        chunks.push(createChunk());
    } else {
        chunks[chunks.length - 1].push(row);
    }
    return chunks;
 }

 function parseChunk(chunk) {
    var desc = chunk[0];
    var twitter = (desc.match(/\((@[^)]*)\)/) || []).pop();
    var title = desc.match(/\:\s(.*)$/).pop();
    var presenter = trim(desc.match(/^([^(:]*)/).pop());
    var urls = chunk.slice(1).filter(looksLikeUrl);

    return {
        title: title,
        presenter: presenter,
        twitter: twitter,
        slides: urls.shift() || null,
        other: urls
    };
 }

 function nonEmptyChunk(chunk) {
    return chunk.length > 0;
 }

 function parseData(data) {
    var parsed = data.
        split(rRowSeparator).
        map(trim).
        reduce(chunkify, [createChunk()]).
        filter(nonEmptyChunk).
        map(parseChunk);

    process.stdout.write(JSON.stringify(parsed));
 }

 function parseRemoteSource(parser) {
    require("https").get(sourceUrl, function (res) {
        var payload = "";

        res.on("data", function (chunk) {
            payload += String(chunk);
        });

        res.on("end", function () {
            parser(payload);
        });
    }).on("error", function (err) {
        console.error("Fetching source failed", err.stack || err.message);
    });
 }

 function parseLocalFile(parser) {
    require("fs").readFile(sourceFile, "utf-8", function (err, data) {
        if (err) {
            return console.error("Error reading file", err.stack || err.message);
        }

        parser(data);
    });
 }

 require("fs").exists(sourceFile, function (exists) {
    if (! exists) {
        return parseRemoteSource(parseData);
    }

    parseLocalFile(parseData);
 });
	// Use this script to parse the .md to JSON
	// Distributed under the Works On My Computer, You're Entirely On Your Own License
	// WTFPL (http://www.wtfpl.net/) also applies

	var sourceFile = "slide-decks-jsconf-2014.md";
	var sourceUrl = "https://gist.githubusercontent.com/nikcorg/1fe60d2da6e22653806c/raw/301bda69f1ffae7154da693886cb5c46b0a134c2/slide-decks-jsconf-2014.md";
	var rRowSeparator = /\r?\n/;
	var rProbablyUrl = /^https?:/;
	var rEmptyRow = /^(\s+)?$/;
	var rLeadingTrailingWS = /^\s+\|\s+$/g;

	function trim(str) {
	return str.replace(rLeadingTrailingWS, "");
	}

	function looksLikeUrl(url) {
	return rProbablyUrl.test(url);
	}

	function createChunk() {
	return [];
	}

	function chunkify(chunks, row) {
	if (rEmptyRow.test(row)) {
	chunks.push(createChunk());
	} else {
	chunks[chunks.length - 1].push(row);
	}
	return chunks;
	}

	function parseChunk(chunk) {
	var desc = chunk[0];
	var twitter = (desc.match(/\((@[^)]*)\)/) \|\| []).pop();
	var title = desc.match(/\:\s(.*)$/).pop();
	var presenter = trim(desc.match(/^([^(:]*)/).pop());
	var urls = chunk.slice(1).filter(looksLikeUrl);

	return {
	title: title,
	presenter: presenter,
	twitter: twitter,
	slides: urls.shift() \|\| null,
	other: urls
	};
	}

	function nonEmptyChunk(chunk) {
	return chunk.length > 0;
	}

	function parseData(data) {
	var parsed = data.
	split(rRowSeparator).
	map(trim).
	reduce(chunkify, [createChunk()]).
	filter(nonEmptyChunk).
	map(parseChunk);

	process.stdout.write(JSON.stringify(parsed));
	}

	function parseRemoteSource(parser) {
	require("https").get(sourceUrl, function (res) {
	var payload = "";

	res.on("data", function (chunk) {
	payload += String(chunk);
	});

	res.on("end", function () {
	parser(payload);
	});
	}).on("error", function (err) {
	console.error("Fetching source failed", err.stack \|\| err.message);
	});
	}

	function parseLocalFile(parser) {
	require("fs").readFile(sourceFile, "utf-8", function (err, data) {
	if (err) {
	return console.error("Error reading file", err.stack \|\| err.message);
	}

	parser(data);
	});
	}

	require("fs").exists(sourceFile, function (exists) {
	if (! exists) {
	return parseRemoteSource(parseData);
	}

	parseLocalFile(parseData);
	});
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