diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1838af2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.js
+tsconfig.json
\ No newline at end of file
diff --git a/endosulfan.ts b/endosulfan.ts
new file mode 100644
index 0000000..c2f8125
--- /dev/null
+++ b/endosulfan.ts
@@ -0,0 +1,159 @@
+
+export let total_tests: number = 0;
+export let failed_tests: number = 0;
+export let passed_tests: number = 0;
+
+export function test_assert(condition: boolean, test_name: string): boolean {
+  total_tests++;
+  if (condition) {
+    passed_tests++;
+    console.log(`\x1B[32mTEST PASS\x1B[m ${test_name}`);
+    return true;
+  } else {
+    failed_tests++;
+    console.log(`\x1B[31mTEST FAIL\x1B[m ${test_name}`);
+    return false;
+  }
+}
+
+type Difference = {
+  start_index: number,
+  end_index: number,
+};
+
+//items will probably be strings or numbers,
+//but any object that is comparable after a JSON.stringify() should be fine
+export function test_assert_equal(first_item: any, second_item: any, test_name: string, silent?: boolean) {
+  if (typeof first_item !== typeof second_item) {
+    throw Error("Cannot compare two items of different types!");
+  }
+  //if the items are objects (including arrays)
+  if (typeof first_item === "object") {
+    first_item = JSON.stringify(first_item);
+    second_item = JSON.stringify(second_item);
+  }
+  let passed = test_assert(first_item === second_item, test_name);
+  if (!silent && !passed) {
+    //log info for debugging purposes
+    //log both items
+    console.log(`${test_name}:\n${first_item}\n${second_item}`);
+    //log differences (partially effective)
+    //don't log differences if not string
+    if (typeof first_item !== "string") return;
+    //get longest item
+    let longer = first_item.length > second_item.length ? first_item : second_item;
+    //get differrences, only kinda works
+    let differences: Difference[] = [];
+    let offset: number = 0;
+    let dispute_length: number = 0;
+    for (let i=0; i < longer.length; i++) {
+      if (first_item[i] === second_item[i-offset]) {
+        if (i === 9) {
+          console.log(offset)
+        }
+        continue;
+      } else {
+        if (dispute_length > 0) {
+          //last loop
+          if (i === longer.length-1) {
+            dispute_length++;
+            differences.push({
+              start_index: i-dispute_length,
+              end_index: i,
+            });
+            continue;
+          }
+          //see if dispute ends or continues (two characters must match)
+          for (let ii=0; ii < dispute_length; ii++) {
+            //change offset and add difference
+            if (first_item[i] === second_item[i-dispute_length-ii] && first_item[i+1] === second_item[i-dispute_length-ii+1]) {
+              differences.push({
+                start_index: i-dispute_length,
+                end_index: i-1,
+              });
+              offset = dispute_length-ii;
+              dispute_length = 0;
+              break;
+            } else if (first_item[i] === second_item[i-dispute_length+ii] && first_item[i+1] === second_item[i-dispute_length+ii+1]) {
+              differences.push({
+                start_index: i-dispute_length,
+                end_index: i-1,
+              });
+              offset = dispute_length+ii;
+              dispute_length = 0;
+              break;
+            }
+          }
+          if (dispute_length === 0) {
+            //dispute ends
+            continue;
+          }
+        }
+        dispute_length++;
+      }
+      /*
+      if (first_item[i] !== second_item[i]) {
+        if (first_item[i] === second_item[i-offset]) {
+          continue;
+        }
+        //add to differences
+        //if already existing difference, add to it
+        let current_diff = differences.findIndex((diff) => i === diff.end_index+1);
+        if (current_diff !== -1) {
+          differences[current_diff].end_index = i;
+        } else {
+          //create new difference
+          differences.push({
+            start_index: i,
+            end_index: i,
+          });
+        }
+        offset++;
+      }
+      */
+    }
+    //differences not really working right now, only log the first difference
+    differences = differences.length > 0 ? [differences[0]] : [];
+    for (let j=0; j < differences.length; j++) {
+      let diff: Difference = differences[j];
+      let start_i: number = diff.start_index;
+      let end_i: number = diff.end_index;
+      if (diff.start_index === diff.end_index) {
+        console.log(`Difference at index ${start_i}:`);
+        console.log(`${first_item.slice(start_i-2, start_i)}\x1B[30;44m${first_item[start_i]}\x1B[m${first_item.slice(start_i+1,start_i+3)}`);
+        console.log(`${second_item.slice(start_i-2, start_i)}\x1B[30;44m${second_item[start_i]}\x1B[m${second_item.slice(start_i+1,start_i+3)}`);
+      } else {
+        //multi character difference
+        console.log(`Difference at indexes ${start_i} to ${end_i}:`);
+        console.log(`${first_item.slice(start_i-2, start_i)}\x1B[30;44m${first_item.slice(start_i, end_i+1)}\x1B[m${first_item.slice(end_i+1,end_i+3)}`);
+        console.log(`${second_item.slice(start_i-2, start_i)}\x1B[30;44m${second_item.slice(start_i, end_i+1)}\x1B[m${second_item.slice(end_i+1,end_i+3)}`);
+      }
+    }
+  }
+}
+
+export type Warning = {
+  type: string,
+  message: string,
+  line_number?: number,
+};
+
+export type WarningFunction = (input: any) => Warning[];
+
+export function generate_warnings(input: any, warning_function: WarningFunction, ignore_types: string[]) {
+  let warnings: Warning[] = warning_function(input);
+  let ignore_count: number = 0;
+  for (let i=0; i < warnings.length; i++) {
+    let warning: Warning = warnings[i];
+    if (ignore_types.includes(warning.type)) {
+      ignore_count++;
+      continue;
+    }
+    if (warning.line_number) {
+      console.log(`\x1B[33mWarning at ${warning.line_number}:\x1B[m "${warning.message}" (type: ${warning.type})`);
+    } else {
+      console.log(`\x1B[33mWarning:\x1B[m "${warning.message} (type: ${warning.type})"`);
+    }
+  }
+  console.log(`\x1B[33m${warnings.length} warnings (${ignore_count} suppressed)\x1B[m`);
+}
diff --git a/index.ts b/index.ts
new file mode 100644
index 0000000..8ca5f77
--- /dev/null
+++ b/index.ts
@@ -0,0 +1,42 @@
+import { parse_md_to_html } from './makoto';
+import { test_assert_equal, total_tests, failed_tests, passed_tests } from './endosulfan';
+
+/*
+Quirks
+- Will only put newlines after headings, paragraphs, and horizontal rules, all others will not be in final output (exception is it will not put a newline on the last line)
+- 
+*/
+
+//tests
+
+test_assert_equal(parse_md_to_html("a\n\n\nb"), "<p>a</p>\n<p>b</p>", "new line test 1");
+
+test_assert_equal(parse_md_to_html("a\n\n\nb\n"), "<p>a</p>\n<p>b</p>", "new line test 2");
+
+test_assert_equal(parse_md_to_html("a\n\n\nb\n\n"), "<p>a</p>\n<p>b</p>", "new line test 3");
+
+test_assert_equal(parse_md_to_html("# testing\n## Heading#\n# Chee see\nlorem ipsum"), "<h1 id='header-0'>testing</h1>\n<h2 id='header-1'>Heading#</h2>\n<h1 id='header-2'>Chee see</h1>\n<p>lorem ipsum</p>", "heading test 1");
+
+test_assert_equal(parse_md_to_html("in the sam#e way# bricks don't\n# Yay\n#a# b"), "<p>in the sam#e way# bricks don't</p>\n<h1 id='header-0'>Yay</h1>\n<p>#a# b</p>", "heading test 2");
+
+test_assert_equal(parse_md_to_html("# <script>a\<bc</script>"), "<h1 id='header-0'>&lt;script&gt;a&lt;bc&lt;/script&gt;</h1>", "sanitize test");
+
+test_assert_equal(parse_md_to_html("# tet offensive\n"), "<h1 id='header-0'>tet offensive</h1>", "heading test 3");
+
+test_assert_equal(parse_md_to_html("**test abc** *a*\n## **ch*ch**"), "<p><b>test abc</b> <i>a</i></p>\n<h2 id='header-0'><b>ch*ch</b></h2>", "bold italic test 1");
+
+test_assert_equal(parse_md_to_html("****a*"), "<p><b></b>a*</p>", "bold italic test 2");
+
+test_assert_equal(parse_md_to_html("---\n--\n----\n--a-\n---"), "<hr>\n<p>--</p>\n<hr>\n<p>--a-</p>\n<hr>", "horizontal rule test");
+
+test_assert_equal(parse_md_to_html("\\*\\*cheese\\*\\*\n*\\*cheese\\*\\*"), "<p>**cheese**</p>\n<p><i>*cheese*</i></p>", "backslash test");
+
+test_assert_equal(parse_md_to_html("asdf![alt text](/images/ming-dynasty.png)\n![(burger!)](https://burger.com/burger.png)"), "<p>asdf<img src=\"/images/ming-dynasty.png\" alt=\"alt text\"></p>\n<img src=\"https://burger.com/burger.png\" alt=\"(burger!)\">", "image test");
+
+test_assert_equal(parse_md_to_html("asdf![alt text(/images/ming-dynasty.png)\n![burgeerr](wee.pong\n)"), "<p>asdf![alt text(/images/ming-dynasty.png)</p>\n<p>![burgeerr](wee.pong</p>\n<p>)</p>", "invalid image test");
+
+test_assert_equal(parse_md_to_html("`e\ntesting `console.log('*koala*')`"), "<p>`e</p>\n<p>testing <code>console.log('*koala*')</code></p>", "code snippet test");
+
+//todo: links, blockquotes, ordered lists, unordered lists, table, code block
+
+console.log(`Total Passed: \x1B[32m${passed_tests}/${total_tests}\x1B[m\nTotal Failed: \x1B[31m${failed_tests}/${total_tests}\x1B[m`);
diff --git a/makoto.ts b/makoto.ts
new file mode 100644
index 0000000..dbdad79
--- /dev/null
+++ b/makoto.ts
@@ -0,0 +1,283 @@
+import type { Warning } from './endosulfan';
+
+//some minor differences with markdown spec?
+export function parse_md_to_html(md: string): string {
+  let html: string = "";
+  let html_line: string = "";
+
+  //markdown parsing vars
+  let is_first_line: boolean = true;
+  let backslashed: boolean = false;
+  let heading_level: number = 0;
+  let in_heading: boolean = false;
+  let header_num: number = 0;
+  let asterisk_num: number = 0;
+  let asterisk_out_num: number = 0;
+  let in_asterisk: boolean = false;
+  let horizontal_num: number = 0;
+  let horizontal_rule: boolean = false;
+  let was_image: boolean = false;
+  let image_alt: string | undefined = undefined;
+  let image_src: string | undefined = undefined;
+  let in_code: boolean = false;
+
+  //loop through characters
+  let chars: string = md;
+  for (let i=0; i < chars.length; i++) {
+    let char: string = chars[i];
+    //console.log(char, asterisk_num, in_asterisk);
+    //sanitize input
+    if (char === "<") {
+      char = "&lt;";
+    } else if (char === ">") {
+      char = "&gt;";
+    }
+    //handle backslashes
+    if (backslashed) {
+      backslashed = false;
+      if (i !== chars.length-1) {
+        html_line += char;
+        continue;
+      }
+    }
+    if (char === "\\" && chars[i+1] !== "\n") {
+      backslashed = true;
+      if (i === 0 || chars[i-1] === "\n") {
+        html_line += "<p>";
+      }
+      continue;
+    }
+    //end of text or newline
+    if (char === "\n" || i === chars.length-1) {
+      if (is_first_line) {
+        //it can only be the first line once :)
+        is_first_line = false;
+      }
+      //if image was never completed
+      if (image_alt !== undefined) {
+        if (!html_line.startsWith("<p>")) {
+          html_line = "<p>"+html_line;
+        }
+        html_line += "!["+image_alt;
+        if (image_src !== undefined) {
+          html_line += "]("+image_src;
+        }
+        image_alt = undefined;
+        image_src = undefined;
+      }
+      //if last character
+      if (i === chars.length-1 && char !== "\n") {
+        let add_char: boolean = true;
+        //if in code
+        if (in_code && char === "`") {
+          html_line += "</code>";
+          add_char = false;
+        }
+        //if in horizontal rule
+        if (horizontal_rule) {
+          add_char = false;
+        }
+        //handle image just ending
+        if (was_image && char === ")") {
+          add_char = false;
+        }
+        //if previous character is also newline, there hasn't been opportunity to add a <p>, so add it!
+        if (chars[i-1] === "\n") {
+          html_line = "<p>";
+        }
+        //ending a bold/italic?
+        if (in_asterisk && char === "*") {
+          if (asterisk_num === 2 && chars[i-1] === "*") {
+            html_line += "</b>";
+            in_asterisk = false;
+            asterisk_num = 0;
+            add_char = false;
+          } else if (asterisk_num === 1) {
+            html_line += "</i>";
+            in_asterisk = false;
+            asterisk_num = 0;
+            add_char = false;
+          }
+        }
+        if (add_char) {
+          html_line += char;
+        }
+      }
+      html += html_line;
+      if (html_line.startsWith("<p>")) {
+        html += "</p>\n";
+      }
+      html_line = "";
+      horizontal_num = 0;
+      if (horizontal_rule || was_image) {
+        if (i !== chars.length - 1 && html[html.length-1] !== "\n") {
+          //only add new line if there isn't already one, and isn't last character
+          html += "\n";
+        } else if (i === chars.length - 1) {
+          //remove newline
+          html = html.trim();
+        }
+        horizontal_rule = false;
+        was_image = false;
+        continue;
+      }
+      //ending a header, line break not needed
+      if (in_heading) {
+        html += `</h${heading_level}>\n`;
+        if (i === chars.length - 1) {
+          //remove newline
+          html = html.trim();
+        }
+        heading_level = 0;
+        in_heading = false;
+        continue;
+      }
+      heading_level = 0;
+      if (i === chars.length - 1) {
+        //remove newline
+        html = html.trim();
+      }
+      continue;
+    }
+    //handle code
+    if (char === "`" && !in_code) {
+      //make sure there is another ` in the line
+      let skip_next: boolean = false;
+      let end_found: boolean = false;
+      for (let ii=1; ii < chars.length-i; ii++) {
+        if (skip_next) {
+          skip_next = false;
+          continue;
+        }
+        if (chars[i+ii] === "\\") {
+          skip_next = true;
+        } else if (chars[i+ii] === "\n") {
+          end_found = false;
+          break;
+        } else if (chars[i+ii] === "`") {
+          end_found = true;
+          break;
+        }
+      }
+      if (end_found) {
+        in_code = true;
+        html_line += "<code>";
+        continue;
+      }
+    } else if (char === "`" && in_code) {
+      html_line += "</code>";
+      continue;
+    } else if (in_code) {
+      html_line += char;
+      continue;
+    }
+    //handle heading levels
+    //ensure headings are continuous and have after it ("#a##" or "##abc" are not a valid headings), and are at the beginning of the line
+    if (chars.slice(i-heading_level-1, i) === "\n"+"#".repeat(heading_level) || (is_first_line && chars.slice(0, i) === "#".repeat(heading_level))) {
+      if (char === "#" && !in_heading && heading_level <= 6) {
+        heading_level++;
+        continue;
+      } else if (heading_level > 0 && char === " " && !in_heading) {
+        in_heading = true;
+        html_line += `<h${heading_level} id='header-${header_num}'>`;
+        header_num++;
+        continue;
+      } else if (heading_level > 0) {
+        html_line += "<p>"+"#".repeat(heading_level);
+        heading_level = 0;
+      }
+    }
+    //handle horizontal rules
+    //similar code as headings to ensure beginning of the line, continuous
+    if (chars.slice(i-horizontal_num-1, i) === "\n"+"-".repeat(horizontal_num) || (is_first_line && chars.slice(0, i) === "-".repeat(horizontal_num))) {
+      if (char === "-") {
+        horizontal_num++;
+        if (horizontal_num === 3 || (horizontal_num === 2 && chars[chars.length-1] === "-" && i === chars.length-2)) {
+          horizontal_rule = true;
+          html_line = "<hr>";
+        } else if (horizontal_num < 3 && (chars[i+1] === "\n" || i === chars.length-2)) {
+          //if next is end or newline, but less than 3 '-'s, it is not a valid horizontal rule
+          html_line = "<p>"+"-".repeat(horizontal_num);
+        }
+        continue;
+      } else if (horizontal_num > 0) {
+        //no longer a horizontal line
+        html_line = "<p>"+"-".repeat(horizontal_num);
+      }
+    }
+    //handle images
+    if (char === "!" && chars[i+1] === "[") {
+      continue;
+    } else if (char === "]" && chars[i+1] === "(" && image_alt !== undefined) {
+      continue;
+    } else if (char === "[" && chars[i-1] === "!" && image_alt === undefined && image_src === undefined) {
+      image_alt = "";
+      continue;
+    } else if (char === "(" && chars[i-1] === "]" && image_alt !== undefined) {
+      image_src = "";
+      continue;
+    } else if ((char === ")" || (chars[i+1] === ")" && i+1 === chars.length-1)) && image_src !== undefined) {
+      if (chars[i+1] === ")" && i+1 === chars.length-1) {
+        image_src += char;
+      }
+      html_line += `<img src="${image_src}" alt="${image_alt}">`;
+      was_image = true;
+      image_alt = undefined;
+      image_src = undefined;
+      continue;
+    } else if (image_alt !== undefined && image_src === undefined && !(char === "]" && chars[i+1] === "(")) {
+      image_alt += char;
+      continue;
+    } else if (image_src !== undefined) {
+      image_src += char;
+      continue;
+    } else {
+      was_image = false;
+    }
+    //add beginning paragraph
+    if (i === 0 || chars[i-1] === "\n") {
+      html_line += "<p>";
+    }
+    //handle italics and bolds
+    if (char === "*" && asterisk_num < 2 && !in_asterisk) {
+      asterisk_num++;
+      if (asterisk_num === 1 && chars[i+1] !== "*") {
+        html_line += "<i>";
+        in_asterisk = true;
+      } else if (asterisk_num === 2) {
+        html_line += "<b>";
+        in_asterisk = true;
+      }
+      continue;
+    } else if (char === "*" && in_asterisk) {
+      asterisk_out_num++;
+      if (asterisk_out_num === asterisk_num) {
+        if (asterisk_num === 1) {
+          html_line += "</i>";
+        } else if (asterisk_num === 2) {
+          html_line += "</b>";
+        }
+        in_asterisk = false;
+        asterisk_num = 0;
+        asterisk_out_num = 0;
+        continue;
+      } else if (asterisk_out_num === 1 && chars[i+1] === "*") {
+        //implied that asterisk_num === 2 here due to previous if statement
+        continue;
+      }
+    } else if (char !== "*" && in_asterisk) {
+      asterisk_out_num = 0;
+    }
+    //
+    html_line += char;
+  }
+
+  return html;
+}
+
+//WarningFunction to generate warnings and catch possible mistakes (eg: link not completed or possible space missing after #)
+export function find_warnings(md: string): Warning[] {
+  let warnings: Warning[] = [];
+  //
+  return warnings;
+}