71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package html
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import "html/template"
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// Options are configuration options for the template service
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type Options struct {
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Helpers template.FuncMap
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PoolSize int
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DevMode bool
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}
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// OptionFunc configures options for the template service
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type OptionFunc func(*Options)
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// WithDefaultHelpers configures the template service
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// to expose the default helpers
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func WithDefaultHelpers() OptionFunc {
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return func(opts *Options) {
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helpers := template.FuncMap{
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"dump": dump,
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"ellipsis": ellipsis,
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"map": customMap,
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"default": defaultVal,
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"inc": increment,
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"has": has,
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}
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for name, fn := range helpers {
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WithHelper(name, fn)(opts)
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}
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}
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}
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// WithHelper configures the template service
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// to expose the default helpers
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func WithHelper(name string, fn interface{}) OptionFunc {
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return func(opts *Options) {
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if opts.Helpers == nil {
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opts.Helpers = make(template.FuncMap)
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}
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opts.Helpers[name] = fn
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}
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}
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// WithPoolSize configures the template service
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// to use the given pool size
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func WithPoolSize(size int) OptionFunc {
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return func(opts *Options) {
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opts.PoolSize = size
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}
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}
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// WithDevMode configures the template service
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// to use the development mode (auto reload of templates).
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func WithDevMode(enabled bool) OptionFunc {
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return func(opts *Options) {
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opts.DevMode = enabled
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}
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}
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func defaultOptions() *Options {
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options := &Options{}
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funcs := []OptionFunc{
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WithPoolSize(64),
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WithDefaultHelpers(),
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}
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for _, f := range funcs {
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f(options)
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}
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return options
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}
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