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https://github.com/gohugoio/hugo.git
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f9978ed164
This commit pulls most of the image related logic into its own package, to make it easier to reason about and extend.
This is also a rewrite of the transformation logic used in Hugo Pipes, mostly to allow constructs like the one below:
{{ ($myimg | fingerprint ).Width }}
Fixes #5903
Fixes #6234
Fixes #6266
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package minifier
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import (
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"github.com/gohugoio/hugo/minifiers"
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"github.com/gohugoio/hugo/resources"
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"github.com/gohugoio/hugo/resources/internal"
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"github.com/gohugoio/hugo/resources/resource"
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)
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// Client for minification of Resource objects. Supported minfiers are:
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// css, html, js, json, svg and xml.
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type Client struct {
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rs *resources.Spec
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m minifiers.Client
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}
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// New creates a new Client given a specification. Note that it is the media types
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// configured for the site that is used to match files to the correct minifier.
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func New(rs *resources.Spec) *Client {
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return &Client{rs: rs, m: minifiers.New(rs.MediaTypes, rs.OutputFormats)}
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}
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type minifyTransformation struct {
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rs *resources.Spec
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m minifiers.Client
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}
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func (t *minifyTransformation) Key() internal.ResourceTransformationKey {
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return internal.NewResourceTransformationKey("minify")
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}
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func (t *minifyTransformation) Transform(ctx *resources.ResourceTransformationCtx) error {
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if err := t.m.Minify(ctx.InMediaType, ctx.To, ctx.From); err != nil {
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return err
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}
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ctx.AddOutPathIdentifier(".min")
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return nil
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}
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func (c *Client) Minify(res resources.ResourceTransformer) (resource.Resource, error) {
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return res.Transform(&minifyTransformation{
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rs: c.rs,
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m: c.m,
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})
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}
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