mirror of https://gitee.com/answerdev/answer.git
feat(converter): update markdown converter
This commit is contained in:
LinkinStar
parent
290ab87d13
commit
08206346b0
4
go.mod
4
go.mod
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@ -15,7 +15,6 @@ require (
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github.com/go-sql-driver/mysql v1.6.0
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github.com/goccy/go-json v0.9.11
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github.com/golang/mock v1.4.4
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github.com/gomarkdown/markdown v0.0.0-20221013030248-663e2500819c
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github.com/google/uuid v1.3.0
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github.com/google/wire v0.5.0
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github.com/gosimple/slug v1.13.1
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@ -24,6 +23,7 @@ require (
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github.com/jinzhu/now v1.1.5
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github.com/lib/pq v1.10.7
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github.com/mattn/go-sqlite3 v1.14.16
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github.com/microcosm-cc/bluemonday v1.0.21
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github.com/mojocn/base64Captcha v1.3.5
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github.com/ory/dockertest/v3 v3.9.1
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github.com/robfig/cron/v3 v3.0.1
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@ -55,6 +55,7 @@ require (
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github.com/Microsoft/go-winio v0.5.2 // indirect
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github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
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github.com/andybalholm/brotli v1.0.4 // indirect
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github.com/aymerick/douceur v0.2.0 // indirect
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github.com/cenkalti/backoff/v4 v4.1.3 // indirect
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github.com/containerd/continuity v0.3.0 // indirect
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github.com/docker/cli v20.10.14+incompatible // indirect
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@ -71,6 +72,7 @@ require (
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
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github.com/golang/snappy v0.0.4 // indirect
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github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
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github.com/gorilla/css v1.0.0 // indirect
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github.com/gosimple/unidecode v1.0.1 // indirect
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github.com/hashicorp/hcl v1.0.0 // indirect
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github.com/imdario/mergo v0.3.12 // indirect
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8
go.sum
8
go.sum
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@ -82,6 +82,8 @@ github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6l
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github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
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github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
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github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
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github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
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github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
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github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
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github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
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github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
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@ -256,8 +258,6 @@ github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8l
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github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
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github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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github.com/gomarkdown/markdown v0.0.0-20221013030248-663e2500819c h1:iyaGYbCmcYK0Ja9a3OUa2Fo+EaN0cbLu0eKpBwPFzc8=
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github.com/gomarkdown/markdown v0.0.0-20221013030248-663e2500819c/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
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github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
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github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
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github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
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@ -301,6 +301,8 @@ github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5m
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github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
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github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
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github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
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github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
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github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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@ -476,6 +478,8 @@ github.com/mattn/go-sqlite3 v1.14.9/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A
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github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
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github.com/mattn/go-sqlite3 v1.14.16/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
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github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
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github.com/microcosm-cc/bluemonday v1.0.21 h1:dNH3e4PSyE4vNX+KlRGHT5KrSvjeUkoNPwEORjffHJg=
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github.com/microcosm-cc/bluemonday v1.0.21/go.mod h1:ytNkv4RrDrLJ2pqlsSI46O6IVXmZOBBD4SaJyDwwTkM=
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github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
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github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
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github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
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@ -3,22 +3,26 @@ package converter
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import (
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"bytes"
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"github.com/microcosm-cc/bluemonday"
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"github.com/segmentfault/pacman/log"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/ast"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/parser"
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"github.com/yuin/goldmark/renderer/html"
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"github.com/yuin/goldmark/renderer"
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goldmarkHTML "github.com/yuin/goldmark/renderer/html"
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"github.com/yuin/goldmark/util"
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)
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// Markdown2HTML convert markdown to html
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func Markdown2HTML(source string) string {
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mdConverter := goldmark.New(
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goldmark.WithExtensions(extension.GFM),
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goldmark.WithExtensions(&DangerousHTMLFilterExtension{}, extension.GFM),
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goldmark.WithParserOptions(
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parser.WithAutoHeadingID(),
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),
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goldmark.WithRendererOptions(
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html.WithHardWraps(),
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goldmarkHTML.WithHardWraps(),
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),
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)
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var buf bytes.Buffer
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@ -28,3 +32,56 @@ func Markdown2HTML(source string) string {
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}
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return buf.String()
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}
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type DangerousHTMLFilterExtension struct {
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}
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func (e *DangerousHTMLFilterExtension) Extend(m goldmark.Markdown) {
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m.Renderer().AddOptions(renderer.WithNodeRenderers(
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util.Prioritized(&DangerousHTMLRenderer{
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Config: goldmarkHTML.NewConfig(),
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Filter: bluemonday.UGCPolicy(),
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}, 1),
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))
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}
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type DangerousHTMLRenderer struct {
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goldmarkHTML.Config
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Filter *bluemonday.Policy
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}
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// RegisterFuncs implements renderer.NodeRenderer.RegisterFuncs.
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func (r *DangerousHTMLRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
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reg.Register(ast.KindHTMLBlock, r.renderHTMLBlock)
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reg.Register(ast.KindRawHTML, r.renderRawHTML)
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}
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func (r *DangerousHTMLRenderer) renderRawHTML(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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if !entering {
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return ast.WalkSkipChildren, nil
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}
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n := node.(*ast.RawHTML)
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l := n.Segments.Len()
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for i := 0; i < l; i++ {
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segment := n.Segments.At(i)
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_, _ = w.Write(r.Filter.SanitizeBytes(segment.Value(source)))
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}
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return ast.WalkSkipChildren, nil
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}
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func (r *DangerousHTMLRenderer) renderHTMLBlock(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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n := node.(*ast.HTMLBlock)
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if entering {
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l := n.Lines().Len()
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for i := 0; i < l; i++ {
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line := n.Lines().At(i)
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r.Writer.SecureWrite(w, r.Filter.SanitizeBytes(line.Value(source)))
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}
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} else {
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if n.HasClosure() {
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closure := n.ClosureLine
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r.Writer.SecureWrite(w, closure.Value(source))
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}
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}
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return ast.WalkContinue, nil
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}
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