shithub: hugo

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Add Param(key) to Node and Page

This  is a convenience method to do lookups in Page's (Page only)  and Site's Params map (Page and Node), in that order.

Fixes #1462

--- a/hugolib/node.go

+++ b/hugolib/node.go

@@ -14,6 +14,7 @@

 package hugolib

 import (

+	"github.com/spf13/cast"

 	"html/template"

 	"sync"

 	"time"

@@ -84,6 +85,17 @@

 	}

 	return false

+}

+

+// Param is a convenience method to do lookups in Site's Params map.

+//

+// This method is also implemented on Page.

+func (n *Node) Param(key interface{}) (interface{}, error) {

+	keyStr, err := cast.ToStringE(key)

+	if err != nil {

+		return nil, err

+	}

+	return n.Site.Params[keyStr], err

 }

 func (n *Node) Hugo() *HugoInfo {

--- a/hugolib/page.go

+++ b/hugolib/page.go

@@ -132,6 +132,21 @@

 	return true

 }

+// Param is a convenience method to do lookups in Page's and Site's Params map,

+// in that order.

+//

+// This method is also implemented on Node.

+func (p *Page) Param(key interface{}) (interface{}, error) {

+	keyStr, err := cast.ToStringE(key)

+	if err != nil {

+		return nil, err

+	}

+	if val, ok := p.Params[keyStr]; ok {

+		return val, nil

+	}

+	return p.Site.Params[keyStr], nil

+}

+

 func (p *Page) Author() Author {

 	authors := p.Authors()