55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
/*
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Copyright 2021 The Crossplane Authors.
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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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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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*/
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package common
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import (
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"dario.cat/mergo"
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)
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// MergeOptions Specifies merge options on a field path.
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type MergeOptions struct { // TODO(aru): add more options that control merging behavior
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// Specifies that already existing values in a merged map should be preserved
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// +optional
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KeepMapValues *bool `json:"keepMapValues,omitempty"`
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// Specifies that already existing elements in a merged slice should be preserved
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// +optional
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AppendSlice *bool `json:"appendSlice,omitempty"`
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}
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// MergoConfiguration the default behavior is to replace maps and slices.
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func (mo *MergeOptions) MergoConfiguration() []func(*mergo.Config) {
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config := []func(*mergo.Config){mergo.WithOverride}
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if mo == nil {
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return config
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}
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if mo.KeepMapValues != nil && *mo.KeepMapValues {
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config = config[:0]
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}
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if mo.AppendSlice != nil && *mo.AppendSlice {
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config = append(config, mergo.WithAppendSlice)
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}
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return config
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}
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// IsAppendSlice returns true if mo.AppendSlice is set to true.
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func (mo *MergeOptions) IsAppendSlice() bool {
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return mo != nil && mo.AppendSlice != nil && *mo.AppendSlice
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}
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