Permalink to Table of ContentsTable of Contents

• Quick Take
• Classify individual characters
• Parse typed, short and repeatable CLI flags
• Assemble CLI help text
• Deeply clone a cyclic object graph
• Detect and resolve line endings
• Test whether a value exists
• Find overlapping substring occurrences
• Match a string against literal and regular-expression choices
• Intersect arrays in the first array's order
• Reject a character that is not a digit
• Omit keys and clone retained values
• Check own properties safely
• Distinguish plain objects from other object values
• Remove selected array values without mutating the input
• Remove one trailing slash
• Sort strings with the shared comparator
• Replace part of a string
• Reuse shared text symbols and HTML tag sets
• Trim selected characters from both string edges
• Check common JavaScript value types
• Deduplicate values while preserving order
• Match wildcard allow-lists and deny-lists

Permalink to Quick TakeQuick Take

Permalink to Classify individual charactersClassify individual characters

Permalink to Parse typed, short and repeatable CLI flagsParse typed, short and repeatable CLI flags

Permalink to Assemble CLI help textAssemble CLI help text

Permalink to Deeply clone a cyclic object graphDeeply clone a cyclic object graph

Permalink to Detect and resolve line endingsDetect and resolve line endings

Permalink to Test whether a value existsTest whether a value exists

Permalink to Find overlapping substring occurrencesFind overlapping substring occurrences

Permalink to Match a string against literal and regular-expression choicesMatch a string against literal and regular-expression choices

Permalink to Intersect arrays in the first array's orderIntersect arrays in the first array's order

Permalink to Reject a character that is not a digitReject a character that is not a digit

Permalink to Omit keys and clone retained valuesOmit keys and clone retained values

Permalink to Check own properties safelyCheck own properties safely

Permalink to Distinguish plain objects from other object valuesDistinguish plain objects from other object values

Permalink to Remove selected array values without mutating the inputRemove selected array values without mutating the input

Permalink to Remove one trailing slashRemove one trailing slash

Permalink to Sort strings with the shared comparatorSort strings with the shared comparator

Permalink to Replace part of a stringReplace part of a string

Permalink to Reuse shared text symbols and HTML tag setsReuse shared text symbols and HTML tag sets

Permalink to Trim selected characters from both string edgesTrim selected characters from both string edges

Permalink to Check common JavaScript value typesCheck common JavaScript value types

Permalink to Deduplicate values while preserving orderDeduplicate values while preserving order

Permalink to Match wildcard allow-lists and deny-listsMatch wildcard allow-lists and deny-lists