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changeloguru
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refactor(changelog): remove magic number

main
hau 2020-11-28 00:43:19 +07:00
parent 7d904261ee
commit e643400357
1 changed files with 29 additions and 20 deletions
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49
pkg/changelog/markdown.go
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@ -12,7 +12,11 @@ import (
const (
title = "CHANGELOG"
defaultBasesLen = 10
defaultNodesLen = 10
firstLevel = 1
secondLevel = 2
thirdLevel = 3
)
type MarkdownGenerator struct {
@ -30,42 +34,42 @@ func NewMarkdownGenerator(oldData, version string, t time.Time) *MarkdownGenerat
}
func (g *MarkdownGenerator) Generate(commits []convention.Commit) string {
newBases := g.getNewMarkdownBases(commits)
newBases := g.getNewNodes(commits)
if len(newBases) == 0 {
return ""
}
bases := make([]markdown.Node, 0, defaultBasesLen)
nodes := make([]markdown.Node, 0, defaultNodesLen)
// title
bases = append(bases, markdown.NewHeader(1, title))
nodes = append(nodes, markdown.NewHeader(firstLevel, title))
// version
year, month, day := g.t.Date()
versionHeader := fmt.Sprintf("%s (%d-%d-%d)", g.version, year, month, day)
bases = append(bases, markdown.NewHeader(2, versionHeader))
nodes = append(nodes, markdown.NewHeader(secondLevel, versionHeader))
// new
bases = append(bases, newBases...)
nodes = append(nodes, newBases...)
// old
oldBases := g.getOldBases()
bases = append(bases, oldBases...)
oldNodes := g.getOldNodes()
nodes = append(nodes, oldNodes...)
return markdown.Generate(bases)
return markdown.Generate(nodes)
}
func (g *MarkdownGenerator) getNewMarkdownBases(commits []convention.Commit) []markdown.Node {
func (g *MarkdownGenerator) getNewNodes(commits []convention.Commit) []markdown.Node {
if len(commits) == 0 {
return nil
}
result := make([]markdown.Node, 0, defaultBasesLen)
result := make([]markdown.Node, 0, defaultNodesLen)
commitBases := make(map[string][]markdown.Node)
commitBases[addedType] = make([]markdown.Node, 0, defaultBasesLen)
commitBases[fixedType] = make([]markdown.Node, 0, defaultBasesLen)
commitBases[othersType] = make([]markdown.Node, 0, defaultBasesLen)
commitBases[addedType] = make([]markdown.Node, 0, defaultNodesLen)
commitBases[fixedType] = make([]markdown.Node, 0, defaultNodesLen)
commitBases[othersType] = make([]markdown.Node, 0, defaultNodesLen)
for _, commit := range commits {
t := getType(commit.Type)
@ -82,31 +86,36 @@ func (g *MarkdownGenerator) getNewMarkdownBases(commits []convention.Commit) []m
}
if len(commitBases[addedType]) != 0 {
result = append(result, markdown.NewHeader(3, addedType))
result = append(result, markdown.NewHeader(thirdLevel, addedType))
result = append(result, commitBases[addedType]...)
}
if len(commitBases[fixedType]) != 0 {
result = append(result, markdown.NewHeader(3, fixedType))
result = append(result, markdown.NewHeader(thirdLevel, fixedType))
result = append(result, commitBases[addedType]...)
}
if len(commitBases[othersType]) != 0 {
result = append(result, markdown.NewHeader(3, othersType))
result = append(result, markdown.NewHeader(thirdLevel, othersType))
result = append(result, commitBases[othersType]...)
}
return result
}
func (g *MarkdownGenerator) getOldBases() []markdown.Node {
result := make([]markdown.Node, 0, defaultBasesLen)
func (g *MarkdownGenerator) getOldNodes() []markdown.Node {
if g.oldData == "" {
return nil
}
result := make([]markdown.Node, 0, defaultNodesLen)
lines := strings.Split(g.oldData, string(markdown.NewlineToken))
result = append(result, markdown.Parse(lines)...)
if len(result) > 0 && markdown.Equal(result[0], markdown.NewHeader(1, title)) {
// remove title
if len(result) > 0 && markdown.Equal(result[0], markdown.NewHeader(firstLevel, title)) {
result = result[1:]
}