initial commit

.gitignore

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+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+.next
+next-env.d.ts
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+
+# VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# Emacs
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# OSX
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+._*
+.Spotlight-V100
+.Trashes
+
+# Trae specific
+.trae/
+.trae-cache/

README.md

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+# Em Dash Guide
+
+Don't you hate how em dashes ruin your carefully curated AI slop?
+
+I mean, you worked hard on that shit. You prompted and prompted and prompted.
+Or maybe you have agents running amok, ruining everyone's feed with your
+garbage.
+
+And then people start commenting, bot! Bot! Bot!
+
+Not cool, man.. not cool.
+
+Most of what I've seen online replace em dashes with one character or two 
+at the most. Not this! No sir! 
+
+It has to make SENSE!!!! right? right?
+
+Alright, just, do the thing
+
+
+```
+npm i
+npm start
+```

package.json

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+{
+  "name": "emdash-api",
+  "version": "1.0.0",
+  "description": "API to linguistically and grammatically replace em dashes.",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "node server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5"
+  }
+}

server.js

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+const express = require('express');
+const cors = require('cors');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+app.use(cors());
+app.use(express.json());
+app.use(express.text());
+
+function removeEmDash(text) {
+  if (!text || typeof text !== 'string') {
+    return text;
+  }
+  
+  function isDateTimeOrPeriod(str) {
+    const dateTimePatterns = [
+      /^\d+:\d+/,  
+      /^\d+$/,     // number.. could be date, who knows
+      /^(January|February|March|April|May|June|July|August|September|October|November|December|Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)$/i,  // this is dumb
+      /^(Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday|Mon|Tue|Wed|Thu|Fri|Sat|Sun)$/i,  // days
+      /^(Spring|Summer|Fall|Autumn|Winter)$/i,  // seasons, did you see that, even autumn my zoul!
+      /^\d{4}$/,   
+      /^Q[1-4]$/i, // quarters for that jerome powell post
+    ];
+    return dateTimePatterns.some(pattern => pattern.test(str.trim()));
+  }
+
+  let result = text
+    // 1. parenthetical/interruptive information (word — phrase — word) -> parentheses
+    .replace(/([a-zA-Z])\s*—\s*([^—]+?)\s*—\s*([a-zA-Z])/g, '$1 ($2) $3')
+    
+    // 2. date/time ranges (handle early to avoid conflicts)
+    .replace(/(\d+:\d+\s*[ap]\.?m\.?)\s*—\s*(\d+:\d+\s*[ap]\.?m\.?)/gi, '$1 to $2')
+    
+    // 3. interrupted speech in dialogue (word—") -> keep as interruption (but clean format)
+    .replace(/([a-zA-Z])\s*—\s*$/g, '$1 – ')
+    
+    // 4. attribution quotes ("quote" — Author) -> en dash
+    .replace(/"([^"]+)"\s*—\s*([A-Z][^.!?]*)/g, '"$1" – $2')
+    
+    // 5. dramatic pause/reveal (phrase — Word!) -> ellipsis
+    .replace(/([a-zA-Z\s]+)\s*—\s*([A-Z][a-zA-Z]*[!.])/g, '$1 ... $2')
+    
+    // 6. sudden break in thought (clause — but/and/or...) -> comma
+    .replace(/([a-zA-Z])\s*—\s*(but|and|or|yet|so)\s+/g, '$1, $2 ')
+    
+    // 7. appositive emphasis (noun — a descriptor) -> comma
+    .replace(/([a-zA-Z])\s*—\s*(a\s+[a-zA-Z][^.!?]*)/g, '$1, $2')
+    
+    // 8. summary/amplification at end (items — conclusion.) -> semicolon
+    .replace(/([a-zA-Z.,\s]*[a-zA-Z.,])\s*—\s*([a-z][^.!?]*\.)/g, '$1 ; $2')
+    
+    // 9. after sentence punctuation -> space
+    .replace(/([.!?:;])\s*—\s*([A-Za-z])/g, '$1 $2')
+    
+    // 10. after comma -> space
+    .replace(/([,])\s*—\s*([A-Za-z])/g, '$1 $2')
+    
+    // 11. before closing punctuation -> space
+    .replace(/([a-zA-Z])\s*—\s*([.,;:!?"'\)\]])/g, '$1 $2')
+    
+    // 12. after opening punctuation -> space
+    .replace(/(["'(\[])\s*—\s*([A-Za-z])/g, '$1 $2')
+    
+    // 13. between letters (simple cases) -> comma
+    .replace(/([a-zA-Z])\s*—\s*([a-zA-Z])/g, '$1, $2')
+    
+    // 14. leading em dash -> remove
+    .replace(/^\s*—\s*/g, '')
+    
+    // 15. trailing em dash -> remove
+    .replace(/\s*—\s*$/g, '')
+    
+    // 16. catch-all remaining -> check if it's a date/time range, otherwise en dash
+    .replace(/(\S+)\s*—\s*(\S+)/g, (_, left, right) => {
+      if (isDateTimeOrPeriod(left) && isDateTimeOrPeriod(right)) {
+        return `${left} – ${right}`;
+      }
+      return `${left} – ${right}`;
+    });
+
+  // sanitation step: clean up spacing issues
+  result = result
+    // remove spaces before colons and ellipses
+    .replace(/\s+\.\.\./g, '...')
+    .replace(/\s+:/g, ':')
+    .replace(/\s+;/g, ';')
+    // clean up multiple spaces
+    .replace(/\s+/g, ' ')
+    .trim();
+
+  return result;
+}
+
+app.post('/emdash', (req, res) => {
+  try {
+    const text = typeof req.body === 'string' ? req.body : req.body.text;
+    
+    if (!text) {
+      return res.status(400).json({ error: 'Text is required, come on now' });
+    }
+
+    const result = removeEmDash(text);
+    res.json({ 
+      original: text,
+      result: result 
+    });
+  } catch (error) {
+    res.status(500).json({ error: 'Internal server error' });
+  }
+});
+
+app.get('/emdash', (req, res) => {
+  const text = req.query.text;
+  
+  if (!text) {
+    return res.status(400).json({ error: 'Text query parameter is required, come on now' });
+  }
+
+  const result = removeEmDash(text);
+  res.json({ 
+    original: text,
+    result: result 
+  });
+});
+
+app.get('/', (req, res) => {
+  res.json({
+    message: 'Em Dash API',
+    description: 'API to linguistically and grammatically replace em dashes.',
+    endpoints: {
+      'POST /emdash': 'Send text in body (JSON or plain text)',
+      'GET /emdash?text=your-text': 'Send text as query parameter'
+    }
+  });
+});
+
+
+app.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});

test.sh

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+#!/bin/sh
+# Portable test runner (no associative arrays required)
+
+API_URL="${API_URL:-http://localhost:3000/emdash}"
+
+# Detect a version-aware sort if available; fall back to plain sort
+if sort -V </dev/null >/dev/null 2>&1; then
+  SORT_CMD='sort -V'
+else
+  SORT_CMD='sort'
+fi
+
+# --- Key/Value dataset (TAB-separated): key<TAB>value ---
+DATA='
+parenthetical_1	My sister — who never cooks — made dinner last night.
+parenthetical_2	The car — a bright red convertible — caught everyone’s attention.
+parenthetical_3	This book — my all-time favorite — never gets old.
+parenthetical_4	We met John — our old college roommate — at the reunion.
+parenthetical_5	The plan — though risky — might just work.
+suddenbreak_1	I thought it was a great idea — until I heard the cost.
+suddenbreak_2	We were going to leave early — but the rain kept us inside.
+suddenbreak_3	She almost told him the truth — and then decided against it.
+suddenbreak_4	I started walking toward the door — then stopped.
+suddenbreak_5	He was about to sign the contract — when the phone rang.
+appositive_1	She is an expert — a true authority in her field.
+appositive_2	He’s my best friend — the person I trust most.
+appositive_3	This is the real problem — the lack of communication.
+appositive_4	That’s the challenge — getting everyone to agree.
+appositive_5	Here’s your reward — an extra day off.
+summary_1	Long nights, endless rehearsals, countless cups of coffee — all for opening night.
+summary_2	Broken glass, a smashed door, missing valuables — it was clearly a break-in.
+summary_3	Late trains, heavy traffic, bad weather — today was not my day.
+summary_4	Jeans, T-shirts, sneakers — his wardrobe never changed.
+summary_5	Pain, sweat, and hard work — that’s what built this company.
+listintro_1	We need several things — bread, milk, eggs, and butter.
+listintro_2	She packed everything — sunscreen, towels, snacks, and water bottles.
+listintro_3	The class will cover three topics — history, geography, and culture.
+listintro_4	He ordered a variety of drinks — coffee, tea, soda, and juice.
+listintro_5	They brought the essentials — maps, flashlights, and first-aid kits.
+interrupt_1	“I was just about to—”
+interrupt_2	“If you think I’m going to—”
+interrupt_3	“Wait, I didn’t mean—”
+interrupt_4	“Don’t you dare—”
+interrupt_5	“I was trying to say—”
+dramaticpause_1	And the winner is — Michael.
+dramaticpause_2	The answer to your question is — yes.
+dramaticpause_3	The person behind it all was — my own brother.
+dramaticpause_4	The solution is simple — work together.
+dramaticpause_5	Our biggest competitor is — ourselves.
+internalcommas_1	She laughed, cried, and shouted — but she never gave up.
+internalcommas_2	They came early, stayed late, and worked hard — yet still missed the deadline.
+internalcommas_3	He was tired, hungry, and sore — and still kept running.
+internalcommas_4	The team played well, passed accurately, and defended strongly — until the final minutes.
+internalcommas_5	I planned, packed, and saved — only to have the trip canceled.
+namely_1	There’s one thing I can’t stand — dishonesty.
+namely_2	He has one true passion — music.
+namely_3	Our goal is clear — success.
+namely_4	This is my greatest fear — failure.
+namely_5	She only wants one thing — respect.
+pauseemphasis_1	The recipe — though simple — is delicious.
+pauseemphasis_2	That trip — despite the rain — was unforgettable.
+pauseemphasis_3	The meeting — if it happens — could change everything.
+pauseemphasis_4	Her response — as expected — was sarcastic.
+pauseemphasis_5	The project — while behind schedule — will still be completed.
+listinlist_1	We traveled to Paris, France; Rome, Italy; and Berlin, Germany — all in one summer.
+listinlist_2	The menu included pasta, salad, and breadsticks; steak, potatoes, and vegetables — everything we could want.
+listinlist_3	They visited Chicago, Illinois; Denver, Colorado; and Austin, Texas — and still had time for more.
+listinlist_4	The tour covered Madrid, Spain; Lisbon, Portugal; and Dublin, Ireland — a whirlwind trip.
+listinlist_5	We met clients from Tokyo, Japan; Seoul, South Korea; and Beijing, China — all in the same week.
+daterange_1	Office hours are 9:00 a.m.—5:00 p.m.
+daterange_2	The sale runs June 1—June 15.
+daterange_3	The conference is scheduled for March 10—March 14.
+daterange_4	The course is offered September—December.
+daterange_5	The store is open Monday—Saturday.
+attribution_1	“The best way out is always through.” — Robert Frost
+attribution_2	“Do or do not, there is no try.” — Yoda
+attribution_3	“Injustice anywhere is a threat to justice everywhere.” — Martin Luther King Jr.
+attribution_4	“I think, therefore I am.” — René Descartes
+attribution_5	“The only thing we have to fear is fear itself.” — Franklin D. Roosevelt
+punchend_1	I was ready to forgive — until he laughed.
+punchend_2	We almost won — if not for that last-minute mistake.
+punchend_3	She looked happy — until she saw the bill.
+punchend_4	He was about to say yes — when the phone rang.
+punchend_5	I thought we were friends — until you lied to me.
+'
+
+echo "Running tests..."
+
+# Print DATA, strip empty lines, sort by key, then read lines
+printf "%s" "$DATA" | awk 'NF' | $SORT_CMD |
+while IFS="$(printf '\t')" read -r key text; do
+  # Safety: skip if no key or text
+  [ -z "$key" ] && continue
+  [ -z "$text" ] && continue
+
+  echo "-----------------------------------"
+  echo "Testing [$key]: $text"
+
+  # Hit API with URL-encoded text
+  response="$(curl -s -G --data-urlencode "text=$text" "$API_URL")"
+
+  # Pretty-print JSON if jq exists AND response is valid JSON
+  if command -v jq >/dev/null 2>&1 && printf '%s' "$response" | jq -e . >/dev/null 2>&1; then
+    printf '%s' "$response" | jq '.original, .result'
+  else
+    printf '%s\n' "$response"
+    if ! command -v jq >/dev/null 2>&1; then
+      echo "(Install jq for better formatting)"
+    fi
+  fi
+done
+
+echo "-----------------------------------"
+echo "Tests complete."