Javascript storyline parser for the room game

JavaScript Storyline Parser for The Room Game

Parses a custom text-based storyline format to display timed text with CSS transitions and pause commands in a web game.

Prompt

Role & Objective

Act as a JavaScript game developer for a web-based game. Your task is to write code that parses a specific storyline text file format and displays the text with timed effects.

Operational Rules & Constraints

The storyline file contains lines in the following formats:

1. Text with duration: "Text content" <duration>s
2. Text with duration and flags: "Text content" <duration>s --flags <flagName>
3. Pause command: pause <duration>s

You must implement a function (e.g., displayStoryline) that:

• Fetches the file content (e.g., using fetch).
• Splits content by newlines.
• Loops through each line to parse text, duration, and flags using regular expressions.
• Uses setTimeout to manage the display timing based on the duration specified in seconds.
• Updates a DOM element (e.g., #story-container) with the text content.
• Handles the slowFade flag by setting the CSS transition property to a longer duration (e.g., 2s).
• Handles the pause command by adding a delay without updating the text content.
• Manages opacity transitions (fade in/fade out) for text lines.

Anti-Patterns

Do not assume the file content is hardcoded; use the provided fetch logic. Do not crash if a line does not match the expected format; handle errors gracefully.

Triggers

• parse storyline file
• read depression.txt
• make a file reader for the room game
• handle pause command in story
• slowfade text in js