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package funcs
import (
"sync"
"github.com/hairyhenderson/gomplate/v3/conv"
"github.com/hairyhenderson/gomplate/v3/coll"
"github.com/pkg/errors"
)
var (
collNS *CollFuncs
collNSInit sync.Once
)
// CollNS -
func CollNS() *CollFuncs {
collNSInit.Do(func() { collNS = &CollFuncs{} })
return collNS
}
// AddCollFuncs -
func AddCollFuncs(f map[string]interface{}) {
f["coll"] = CollNS
f["has"] = CollNS().Has
f["slice"] = CollNS().Slice
f["dict"] = CollNS().Dict
f["keys"] = CollNS().Keys
f["values"] = CollNS().Values
f["append"] = CollNS().Append
f["prepend"] = CollNS().Prepend
f["uniq"] = CollNS().Uniq
f["reverse"] = CollNS().Reverse
f["merge"] = CollNS().Merge
f["sort"] = CollNS().Sort
f["jsonpath"] = CollNS().JSONPath
f["flatten"] = CollNS().Flatten
}
// CollFuncs -
type CollFuncs struct{}
// Slice -
func (f *CollFuncs) Slice(args ...interface{}) []interface{} {
return coll.Slice(args...)
}
// Has -
func (f *CollFuncs) Has(in interface{}, key string) bool {
return coll.Has(in, key)
}
// Dict -
func (f *CollFuncs) Dict(in ...interface{}) (map[string]interface{}, error) {
return coll.Dict(in...)
}
// Keys -
func (f *CollFuncs) Keys(in ...map[string]interface{}) ([]string, error) {
return coll.Keys(in...)
}
// Values -
func (f *CollFuncs) Values(in ...map[string]interface{}) ([]interface{}, error) {
return coll.Values(in...)
}
// Append -
func (f *CollFuncs) Append(v interface{}, list interface{}) ([]interface{}, error) {
return coll.Append(v, list)
}
// Prepend -
func (f *CollFuncs) Prepend(v interface{}, list interface{}) ([]interface{}, error) {
return coll.Prepend(v, list)
}
// Uniq -
func (f *CollFuncs) Uniq(in interface{}) ([]interface{}, error) {
return coll.Uniq(in)
}
// Reverse -
func (f *CollFuncs) Reverse(in interface{}) ([]interface{}, error) {
return coll.Reverse(in)
}
// Merge -
func (f *CollFuncs) Merge(dst map[string]interface{}, src ...map[string]interface{}) (map[string]interface{}, error) {
return coll.Merge(dst, src...)
}
// Sort -
func (f *CollFuncs) Sort(args ...interface{}) ([]interface{}, error) {
var (
key string
list interface{}
)
if len(args) == 0 || len(args) > 2 {
return nil, errors.Errorf("wrong number of args: wanted 1 or 2, got %d", len(args))
}
if len(args) == 1 {
list = args[0]
}
if len(args) == 2 {
key = conv.ToString(args[0])
list = args[1]
}
return coll.Sort(key, list)
}
// JSONPath -
func (f *CollFuncs) JSONPath(p string, in interface{}) (interface{}, error) {
return coll.JSONPath(p, in)
}
// Flatten -
func (f *CollFuncs) Flatten(args ...interface{}) ([]interface{}, error) {
if len(args) == 0 || len(args) > 2 {
return nil, errors.Errorf("wrong number of args: wanted 1 or 2, got %d", len(args))
}
list := args[0]
depth := -1
if len(args) == 2 {
depth = conv.ToInt(args[0])
list = args[1]
}
return coll.Flatten(list, depth)
}
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