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Render embedded code preview by permlink in markdown (#30234)

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The permlink in markdown will be rendered as a code preview block, like GitHub

Co-authored-by: silverwind <me@silverwind.io>
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wxiaoguang 2024-04-03 01:48:27 +08:00 • committed by GitHub
parent eb505b128c
commit ca5c895efb
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22 changed files with 450 additions and 21 deletions
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15
modules/markup/sanitizer.go
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@ -60,6 +60,21 @@ func createDefaultPolicy() *bluemonday.Policy {
// For JS code copy and Mermaid loading state
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-block( is-loading)?$`)).OnElements("pre")
// For code preview
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-preview-[-\w]+( file-content)?$`)).Globally()
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-num$`)).OnElements("td")
policy.AllowAttrs("data-line-number").OnElements("span")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-code chroma$`)).OnElements("td")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^code-inner$`)).OnElements("code")
// For code preview (unicode escape)
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^file-view( unicode-escaped)?$`)).OnElements("table")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^lines-escape$`)).OnElements("td")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^toggle-escape-button btn interact-bg$`)).OnElements("a") // don't use button, button might submit a form
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^(ambiguous-code-point|escaped-code-point|broken-code-point)$`)).OnElements("span")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^char$`)).OnElements("span")
policy.AllowAttrs("data-tooltip-content", "data-escaped").OnElements("span")
// For color preview
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^color-preview$`)).OnElements("span")