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4ef9baf5bd
Note that this is backed by a LRU cache (which we soon shall see more usage of), so if you're a heavy user of cached partials it may be evicted and refreshed if needed. But in most cases every partial is only invoked once. This commit also adds a timeout (the global `timeout` config option) to make infinite recursion in partials easier to reason about. ``` name old time/op new time/op delta IncludeCached-10 8.92ms ± 0% 8.48ms ± 1% -4.87% (p=0.016 n=4+5) name old alloc/op new alloc/op delta IncludeCached-10 6.65MB ± 0% 5.17MB ± 0% -22.32% (p=0.002 n=6+6) name old allocs/op new allocs/op delta IncludeCached-10 117k ± 0% 71k ± 0% -39.44% (p=0.002 n=6+6) ``` Closes #4086 Updates #9588
42 lines
1.7 KiB
Go
42 lines
1.7 KiB
Go
// Copyright 2019 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 internal
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import "github.com/gohugoio/hugo/identity"
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// ResourceTransformationKey are provided by the different transformation implementations.
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// It identifies the transformation (name) and its configuration (elements).
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// We combine this in a chain with the rest of the transformations
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// with the target filename and a content hash of the origin to use as cache key.
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type ResourceTransformationKey struct {
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Name string
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elements []any
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}
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// NewResourceTransformationKey creates a new ResourceTransformationKey from the transformation
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// name and elements. We will create a 64 bit FNV hash from the elements, which when combined
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// with the other key elements should be unique for all practical applications.
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func NewResourceTransformationKey(name string, elements ...any) ResourceTransformationKey {
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return ResourceTransformationKey{Name: name, elements: elements}
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}
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// Value returns the Key as a string.
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// Do not change this without good reasons.
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func (k ResourceTransformationKey) Value() string {
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if len(k.elements) == 0 {
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return k.Name
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}
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return k.Name + "_" + identity.HashString(k.elements...)
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}
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