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Use span for .line, put code inside <code>

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Apparently only "phrasing content" are permitted inside `pre` and
`code`, and `div` is not one of them, so replace it with `span`, `div`
wasn't necessary anyway.

Also it makes sense to put code inside `code` tag(except for line
numbers).

Removed `overflow:auto` and `width: auto` as they didn't seem to be
necessary and actually prevented horizontal scroll bar to appear when content
didn't fit in the viewport.
This commit is contained in:
Siavash Askari Nasr 2021-11-10 10:11:01 +03:30 committed by Alec Thomas
parent 5ed5054d73
commit d6e61d3cbe
2 changed files with 16 additions and 16 deletions
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16
formatters/html/html.go
View File

@ -139,17 +139,17 @@ var (
defaultPreWrapper = preWrapper{
start: func(code bool, styleAttr string) string {
if code {
return fmt.Sprintf(`<pre tabindex="0"%s>`, styleAttr)
return fmt.Sprintf(`<pre tabindex="0"%s><code>`, styleAttr)
}
return fmt.Sprintf(`<div tabindex="0"%s>`, styleAttr)
return fmt.Sprintf(`<pre tabindex="0"%s>`, styleAttr)
},
end: func(code bool) string {
if code {
return `</pre>`
return `</code></pre>`
}
return `</div>`
return `</pre>`
},
}
)
@ -250,7 +250,7 @@ func (f *Formatter) writeHTML(w io.Writer, style *chroma.Style, tokens []chroma.
}
// Start of Line
fmt.Fprint(w, `<div`)
fmt.Fprint(w, `<span`)
if highlight {
// Line + LineHighlight
if f.Classes {
@ -281,7 +281,7 @@ func (f *Formatter) writeHTML(w io.Writer, style *chroma.Style, tokens []chroma.
fmt.Fprint(w, `</span>`) // End of CodeLine
fmt.Fprint(w, `</div>`) // End of Line
fmt.Fprint(w, `</span>`) // End of Line
}
fmt.Fprintf(w, f.preWrapper.End(true))
@ -454,8 +454,8 @@ func (f *Formatter) styleToCSS(style *chroma.Style) map[chroma.TokenType]string
// All rules begin with default rules followed by user provided rules
classes[chroma.Line] = `display: flex;` + classes[chroma.Line]
classes[chroma.LineNumbers] = lineNumbersStyle + classes[chroma.LineNumbers]
classes[chroma.LineNumbersTable] = `font-family: monospace; font-size: inherit;` + lineNumbersStyle + classes[chroma.LineNumbersTable]
classes[chroma.LineTable] = "border-spacing: 0; padding: 0; margin: 0; border: 0; width: auto; overflow: auto; display: block;" + classes[chroma.LineTable]
classes[chroma.LineNumbersTable] = lineNumbersStyle + classes[chroma.LineNumbersTable]
classes[chroma.LineTable] = "border-spacing: 0; padding: 0; margin: 0; border: 0;" + classes[chroma.LineTable]
classes[chroma.LineTableTD] = "vertical-align: top; padding: 0; margin: 0; border: 0;" + classes[chroma.LineTableTD]
return classes
}

16
formatters/html/html_test.go
View File

@ -129,7 +129,7 @@ func TestHighlightLines(t *testing.T) {
err = f.Format(&buf, styles.Fallback, it)
assert.NoError(t, err)
assert.Contains(t, buf.String(), `<div class="line hl"><span class="cl">`)
assert.Contains(t, buf.String(), `<span class="line hl"><span class="cl">`)
}
func TestLineNumbers(t *testing.T) {
@ -141,7 +141,7 @@ func TestLineNumbers(t *testing.T) {
err = f.Format(&buf, styles.Fallback, it)
assert.NoError(t, err)
assert.Contains(t, buf.String(), `<div class="line"><span class="ln">1</span><span class="cl"><span class="nb">echo</span> FOO</span></div>`)
assert.Contains(t, buf.String(), `<span class="line"><span class="ln">1</span><span class="cl"><span class="nb">echo</span> FOO</span></span>`)
}
func TestPreWrapper(t *testing.T) {
@ -153,7 +153,7 @@ func TestPreWrapper(t *testing.T) {
err = f.Format(&buf, styles.Fallback, it)
assert.NoError(t, err)
assert.Regexp(t, "<body class=\"bg\">\n<pre.*class=\"chroma\"><div class=\"line\"><span class=\"cl\"><span class=\"nb\">echo</span> FOO</span></div></pre>\n</body>\n</html>", buf.String())
assert.Regexp(t, "<body class=\"bg\">\n<pre.*class=\"chroma\"><code><span class=\"line\"><span class=\"cl\"><span class=\"nb\">echo</span> FOO</span></span></code></pre>\n</body>\n</html>", buf.String())
assert.Regexp(t, `\.bg { .+ }`, buf.String())
assert.Regexp(t, `\.chroma { .+ }`, buf.String())
}
@ -252,17 +252,17 @@ func TestWithPreWrapper(t *testing.T) {
t.Run("Regular", func(t *testing.T) {
s := format(New(WithClasses(true)))
assert.Equal(t, s, `<pre tabindex="0" class="chroma"><div class="line"><span class="cl"><span class="nb">echo</span> FOO</span></div></pre>`)
assert.Equal(t, s, `<pre tabindex="0" class="chroma"><code><span class="line"><span class="cl"><span class="nb">echo</span> FOO</span></span></code></pre>`)
})
t.Run("PreventSurroundingPre", func(t *testing.T) {
s := format(New(PreventSurroundingPre(true), WithClasses(true)))
assert.Equal(t, s, `<div class="line"><span class="cl"><span class="nb">echo</span> FOO</span></div>`)
assert.Equal(t, s, `<span class="line"><span class="cl"><span class="nb">echo</span> FOO</span></span>`)
})
t.Run("Wrapper", func(t *testing.T) {
s := format(New(WithPreWrapper(wrapper), WithClasses(true)))
assert.Equal(t, s, `<foo class="chroma" id="code-true"><div class="line"><span class="cl"><span class="nb">echo</span> FOO</span></div></foo>`)
assert.Equal(t, s, `<foo class="chroma" id="code-true"><span class="line"><span class="cl"><span class="nb">echo</span> FOO</span></span></foo>`)
})
t.Run("Wrapper, LineNumbersInTable", func(t *testing.T) {
@ -273,7 +273,7 @@ func TestWithPreWrapper(t *testing.T) {
<foo class="chroma" id="code-false"><span class="lnt">1
</span></foo></td>
<td class="lntd">
<foo class="chroma" id="code-true"><div class="line"><span class="cl"><span class="nb">echo</span> FOO</span></div></foo></td></tr></table>
<foo class="chroma" id="code-true"><span class="line"><span class="cl"><span class="nb">echo</span> FOO</span></span></foo></td></tr></table>
</div>
`)
})
@ -296,7 +296,7 @@ func TestReconfigureOptions(t *testing.T) {
err = f.Format(&buf, styles.Fallback, it)
assert.NoError(t, err)
assert.Equal(t, `<pre tabindex="0" class="chroma"><div class="line"><span class="cl"><span class="nb">echo</span> FOO</span></div></pre>`, buf.String())
assert.Equal(t, `<pre tabindex="0" class="chroma"><code><span class="line"><span class="cl"><span class="nb">echo</span> FOO</span></span></code></pre>`, buf.String())
}
func TestWriteCssWithAllClasses(t *testing.T) {