42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package templates
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import (
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"encoding/json"
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"strings"
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"text/template"
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)
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// basicFunctions are the set of initial
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// functions provided to every template.
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var basicFunctions = template.FuncMap{
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"json": func(v interface{}) string {
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a, _ := json.Marshal(v)
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return string(a)
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},
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"split": strings.Split,
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"join": strings.Join,
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"title": strings.Title,
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"lower": strings.ToLower,
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"upper": strings.ToUpper,
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"pad": padWithSpace,
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}
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// Parse creates a new annonymous template with the basic functions
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// and parses the given format.
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func Parse(format string) (*template.Template, error) {
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return NewParse("", format)
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}
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// NewParse creates a new tagged template with the basic functions
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// and parses the given format.
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func NewParse(tag, format string) (*template.Template, error) {
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return template.New(tag).Funcs(basicFunctions).Parse(format)
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}
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// padWithSpace adds whitespace to the input if the input is non-empty
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func padWithSpace(source string, prefix, suffix int) string {
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if source == "" {
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return source
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}
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return strings.Repeat(" ", prefix) + source + strings.Repeat(" ", suffix)
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}
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