v1.16.10

ADDED:
* stringsx.RemoveWhitespace, stringsx.StripWhitespace

stringsx/funcs.go

@@ -1,13 +1,13 @@
 package stringsx
 
 import (
-	`bytes`
+	"bytes"
-	`errors`
+	"errors"
-	`fmt`
+	"fmt"
-	`io`
+	"io"
-	`slices`
+	"slices"
-	`strings`
+	"strings"
-	`unicode`
+	"unicode"
 )
 
 /*
@@ -17,6 +17,7 @@ It is more strict than [HasBoundary] (which only requires
 that s has sym at the beginning OR the end.)
 
 Examples:
+
 	HasBookend("|foo|", "|")    → true
 	HasBookend("|foo", "|")     → false
 	HasBookend("foo|", "|")     → false
@@ -38,6 +39,7 @@ func HasBookend(s, sym string) (bounded bool) {
 HasBoundary returns true if string s starts OR ends with symbol sym.
 
 Examples:
+
 	HasBoundary("|foo|", "|")    → true
 	HasBoundary("|foo", "|")     → true
 	HasBoundary("foo|", "|")     → true
@@ -453,6 +455,37 @@ func Redact(s, maskStr string, leading, trailing uint, newlines bool) (redacted
 	return
 }
 
+/*
+RemoveWhitespace removes all leading, trailing, and INNER whitespace
+from unicode string `s`.
+
+This is done by allocating a strings.Builder with len(s).
+This may consume more memory than needed if s is mostly whitespace;
+in that case, it is better to use [StripWhitespace].
+*/
+func RemoveWhitespace(s string) (removed string) {
+
+	// https://stackoverflow.com/questions/32081808/strip-all-whitespace-from-a-string/32081891#32081891
+
+	var c rune
+	var sb strings.Builder
+
+	if s == "" {
+		return
+	}
+
+	sb.Grow(len(s))
+	for _, c = range s {
+		if !unicode.IsSpace(c) {
+			sb.WriteRune(c)
+		}
+	}
+
+	removed = sb.String()
+
+	return
+}
+
 // Reverse reverses string s. (It's absolutely insane that this isn't in stdlib.)
 func Reverse(s string) (revS string) {
 
@@ -465,6 +498,35 @@ func Reverse(s string) (revS string) {
 	return
 }
 
+/*
+StripWhitespace removes all leading, trailing, and INNER whitespace
+from unicode string `s`.
+
+This is done by mapping each rune in `s`.
+This may use far more allocations than necessary if `s` is mostly NON-whitespace;
+in that case, it is better to use [RemoveWhitespace].
+*/
+func StripWhitespace(s string) (stripped string) {
+
+	// https://stackoverflow.com/questions/32081808/strip-all-whitespace-from-a-string/32081891#32081891
+
+	if s == "" {
+		return
+	}
+
+	stripped = strings.Map(
+		func(c rune) rune {
+			if unicode.IsSpace(c) {
+				return -1
+			}
+			return c
+		},
+		s,
+	)
+
+	return
+}
+
 /*
 TrimLines is like [strings.TrimSpace] but operates on *each line* of s.
 It is *NIX-newline (`\n`) vs. Windows-newline (`\r\n`) agnostic.
@@ -500,7 +562,8 @@ func TrimLines(s string, left, right bool) (trimmed string) {
 		} else if right {
 			sl = TrimSpaceRight(sl)
 		}
-		sb.WriteString(sl + nl)
+		sb.WriteString(sl)
+		sb.WriteString(nl)
 	}
 
 	trimmed = sb.String()

tplx/internal/todo/example_recursive_parse.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"embed"
+	"io"
+	"io/fs"
+	// "fmt"
+	"log"
+	// "os"
+	// "path/filepath"
+	"text/template"
+	// "github.com/davecgh/go-spew/spew"
+)
+
+var (
+	//go:embed "tplfiles"
+	tplfiles embed.FS
+
+	tpl *template.Template = template.New("")
+
+	tw *TplWalker = new(TplWalker)
+)
+
+type (
+	TplWalker struct {
+		tpl *template.Template
+		fs  fs.FS
+	}
+)
+
+func (t *TplWalker) walkFunc(fpath string, d fs.DirEntry, inErr error) (err error) {
+
+	var b []byte
+	var f fs.File
+
+	if inErr != nil {
+		err = inErr
+		return
+	}
+
+	if d.IsDir() {
+		return
+	}
+
+	if f, err = t.fs.Open(fpath); err != nil {
+		return
+	}
+	defer func() {
+		var ok bool
+		var c io.Closer
+		if f != nil {
+			if c, ok = f.(io.Closer); ok {
+				if err = c.Close(); err != nil {
+					return
+				}
+			}
+		}
+	}()
+
+	if b, err = io.ReadAll(f); err != nil {
+		return
+	}
+
+	if _, err = t.tpl.New(fpath).Parse(string(b)); err != nil {
+		return
+	}
+
+	return
+}
+
+func (t *TplWalker) Walk() (err error) {
+
+	if err = fs.WalkDir(t.fs, ".", t.walkFunc); err != nil {
+		return
+	}
+
+	return
+}
+
+func init() {
+	var err error
+
+	tw.tpl = tpl
+	tw.fs = tplfiles
+
+	if err = tw.Walk(); err != nil {
+		log.Panicln(err)
+	}
+}
+
+func main() {
+	var idx int
+	var sub *template.Template
+
+	log.Printf("Root template name is %q", tpl.Name())
+	for idx, sub = range tpl.Templates() {
+		log.Printf("Sub template %d: %q", idx, sub.Name())
+	}
+}

tplx/sprigx/README.html

@@ -636,7 +636,7 @@ pre.rouge .gs {
 <div class="details">
 <span id="author" class="author">Brent Saner</span><br>
 <span id="email" class="email"><a href="mailto:bts@square-r00t.net">bts@square-r00t.net</a></span><br>
-<span id="revdate">Last rendered 2026-06-22 18:51:24 -0400</span>
+<span id="revdate">Last rendered 2026-07-06 16:21:08 -0400</span>
 </div>
 <div id="toc" class="toc2">
 <div id="toctitle">Table of Contents</div>

tplx/sprigx/README.md

@@ -6,7 +6,7 @@
 
 <span id="author" class="author">Brent Saner</span>  
 <span id="email" class="email"><bts@square-r00t.net></span>  
-<span id="revdate">Last rendered 2026-06-22 18:51:29 -0400</span>
+<span id="revdate">Last rendered 2026-07-06 16:21:13 -0400</span>
 
 </div>