all: Fix typos in function names and comments

common/herrors/error_locator.go

@@ -33,7 +33,7 @@ type LineMatcher struct {
 }
 
 // LineMatcherFn is used to match a line with an error.
-// It returns the column number or 0 if the line was found, but column could not be determinde. Returns -1 if no line match.
+// It returns the column number or 0 if the line was found, but column could not be determined. Returns -1 if no line match.
 type LineMatcherFn func(m LineMatcher) int
 
 // SimpleLineMatcher simply matches by line number.

common/herrors/file_error.go

@@ -297,7 +297,7 @@ func extractFileTypePos(err error) (string, text.Position) {
 	}
 
 	// The error type from the minifier contains line number and column number.
-	if line, col := exctractLineNumberAndColumnNumber(err); line >= 0 {
+	if line, col := extractLineNumberAndColumnNumber(err); line >= 0 {
 		pos.LineNumber = line
 		pos.ColumnNumber = col
 		return fileType, pos
@@ -369,7 +369,7 @@ func extractOffsetAndType(e error) (int, string) {
 	}
 }
 
-func exctractLineNumberAndColumnNumber(e error) (int, int) {
+func extractLineNumberAndColumnNumber(e error) (int, int) {
 	switch v := e.(type) {
 	case *parse.Error:
 		return v.Line, v.Column

common/hexec/exec.go

@@ -118,7 +118,7 @@ func SafeCommand(name string, arg ...string) (*exec.Cmd, error) {
 	return exec.Command(bin, arg...), nil
 }
 
-// Exec encorces a security policy for commands run via os/exec.
+// Exec enforces a security policy for commands run via os/exec.
 type Exec struct {
 	sc security.Config
 

common/paths/path.go

@@ -209,7 +209,7 @@ func extractFilename(in, ext, base, pathSeparator string) (name string) {
 		// return the filename minus the extension (and the ".")
 		name = base[:strings.LastIndex(base, ".")]
 	} else {
-		// no extension case so just return base, which willi
+		// no extension case so just return base, which will
 		// be the filename
 		name = base
 	}