Are references in typescript case-sensitive when typing?

In my project using TypeScript in Visual Studio 2015, I have files with a mix of lower and uppercase letters in their names, like "project/Models/myFile.ts". When importing something from another module/file, I typically use drag and drop in Visual Studio for the path reference. However, I've noticed that it ignores capital letters and provides the path entirely in lowercase.

Question 1: Does this mean that Visual Studio is case insensitive when referencing or importing files in TypeScript?

Question 2: Is it advisable to use all lowercase letters for naming folders and files to ensure compatibility across different operating systems?

UPDATE The path specified in reference comments 

/// <reference path="jquery" />
appears to be case insensitive, so writing 
/// <reference path="JQuery" />
should work similarly. However, when using the import keyword, the path must match the exact file name containing the module.

windowsimporttypescriptvisual-studio-2015naming-conventions

Answer №1

One inquiry is whether Visual Studio disregards case sensitivity when referencing or importing files in Typescript.

While Windows is case insensitive, it has been observed that some other operating systems like Linux are case sensitive at run-time. This issue arose when altering casing standards within an application and encountering discrepancies specifically when the code was executed on a Linux CI environment.

To ensure code portability, it's crucial for the module specifier's casing to precisely match the referenced file name.

Another question posed is whether it is advisable to utilize all lowercase letters for naming folders and files to ensure compatibility across various Operating Systems.

This decision typically comes down to personal preference. Some individuals opt to maintain consistency between file names and exports as per certain style guides. Others may prefer kebab casing (e.g., `some-file-name.ts`) or alternative styles based on their needs.

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