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Diffstat (limited to 'resource/minifier/minify.go')
-rw-r--r-- | resource/minifier/minify.go | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/resource/minifier/minify.go b/resource/minifier/minify.go new file mode 100644 index 000000000..cef22efc0 --- /dev/null +++ b/resource/minifier/minify.go @@ -0,0 +1,58 @@ +// Copyright 2018 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package minifier + +import ( + "github.com/gohugoio/hugo/minifiers" + "github.com/gohugoio/hugo/resource" +) + +// Client for minification of Resource objects. Supported minfiers are: +// css, html, js, json, svg and xml. +type Client struct { + rs *resource.Spec + m minifiers.Client +} + +// New creates a new Client given a specification. Note that it is the media types +// configured for the site that is used to match files to the correct minifier. +func New(rs *resource.Spec) *Client { + return &Client{rs: rs, m: minifiers.New(rs.MediaTypes, rs.OutputFormats)} +} + +type minifyTransformation struct { + rs *resource.Spec + m minifiers.Client +} + +func (t *minifyTransformation) Key() resource.ResourceTransformationKey { + return resource.NewResourceTransformationKey("minify") +} + +func (t *minifyTransformation) Transform(ctx *resource.ResourceTransformationCtx) error { + if err := t.m.Minify(ctx.InMediaType, ctx.To, ctx.From); err != nil { + return err + } + ctx.AddOutPathIdentifier(".min") + return nil +} + +func (c *Client) Minify(res resource.Resource) (resource.Resource, error) { + return c.rs.Transform( + res, + &minifyTransformation{ + rs: c.rs, + m: c.m}, + ) +} |