Return the first visual character(s) of a string.
JavaScript
1
0
Apache License 2.0
This project is a utility for extracting the first character(s) from a string, with support for different character modes like grapheme clusters, Unicode code points, or UTF-16 code units. It's part of stdlib, a JavaScript standard library focused on numerical and scientific computing, and is designed for developers who need precise string manipulation in web or Node.js environments.
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Support the dependencies of stdlib-js/string-first
Test if an array contains a provided search value.
Test if an object has a specified property.
Test if a value is a number having a nonnegative integer value.
Test if a value is a plain object.
Test if a value is a regular expression string.
Test if a value is a string.
Command-line interface.
Read the entire contents of a file.
Read data from stdin.
Return a regular expression to match a newline character sequence.
Standard input.
Return the first UTF-16 code unit of a string.
Return the first Unicode code point of a string.
Return the first grapheme cluster (i.e., user-perceived character) of a string.
Insert supplied variable values into a format string.
Create a regular expression from a regular expression string.
Format an error message for production.
Check if the runtime is a web browser.
Boolean indicating if the current process is running on Windows.
Absolute pathname of the executable which started the current Node.js process.
Replace search occurrences with a replacement string.
tap-producing test harness for node and browsers
Proxies nodejs require in order to allow overriding dependencies during testing.
Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale
Minimal TAP output formatter.
Benchmark harness.
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