[johnbillion]

What?

The blockName property is nullable. See:

• https://core.trac.wordpress.org/ticket/63663
• Documented return type for parsed blocks wordpress-develop#9187

Why?

It gets populated with a null value here.

[github-actions]

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Co-authored-by: johnbillion <johnbillion@git.wordpress.org>
Co-authored-by: youknowriad <youknowriad@git.wordpress.org>
Co-authored-by: dmsnell <dmsnell@git.wordpress.org>

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[dmsnell]

We could add that null means freeform HTML content.

/**
 *     string|null $blockName  Fully-parsed block type with namespace, or `null`
 *                             block represents top-level freeform HTML.
 *                             E.g. "core/image" or "my/group".
 */

[dmsnell]

Lovely update @johnbillion — this should clarify things for folks.

I added one small suggestion which I think has value while we’re here.

[youknowriad]

Looks like we forgot to merge this old PR.

[github-actions]

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⚡ Performance

Show the results

Client side metrics exclude the server response time.

front-end-block-theme

Metric	e205e16	trunk	% Change
timeToFirstByte	59.45 ms +11.19% -3.03%	59.4 ms +12.88% -2.27%	0.08%
largestContentfulPaint	100 ms +4% -4%	100 ms +4% -8%	0%
lcpMinusTtfb	38.4 ms +14.71% -10.94%	35.05 ms +20.68% -4.56%	9.56%
wpBeforeTemplate	29.25 ms +20.03% -2.39%	29.14 ms +21.07% -1.61%	0.38%
wpTemplate	25.59 ms +3.17% -4.06%	26.07 ms +2.72% -2.42%	-1.84%
wpTotal	55.8 ms +9.55% -3.73%	55.64 ms +11.84% -2.5%	0.29%
wpMemoryUsage	7.62 MB +0% -0%	7.59 MB +0% -0%	0.46%
wpDbQueries	17 +0% -0%	17 +0% -0%	0%

front-end-classic-theme

Metric	e205e16	trunk	% Change
timeToFirstByte	48.1 ms +4.89% -2.08%	49.9 ms +7.82% -2.61%	-3.61%
largestContentfulPaint	104 ms +3.85% -0%	108 ms +0% -3.7%	-3.7%
lcpMinusTtfb	55.9 ms +2.95% -3.94%	56.5 ms +2.12% -2.3%	-1.06%
wpBeforeTemplate	26.46 ms +3.4% -1.85%	27.01 ms +7.48% -0.93%	-2.04%
wpTemplate	18.17 ms +2.97% -2.2%	19.38 ms +1.19% -3.61%	-6.24%
wpTotal	45.08 ms +4.99% -2.33%	46.62 ms +7.19% -2.19%	-3.3%
wpMemoryUsage	6.25 MB +0% -0%	6.20 MB +0% -0%	0.71%
wpDbQueries	14 +0% -0%	14 +0% -0%	0%

media-processing

Metric	e205e16	trunk	% Change
mediaProcessingJpeg	404.54 ms +0.5% -1.2%	403.71 ms +0.28% -1.38%	0.21%
mediaProcessingAvif	6076.41 ms +0.29% -0.18%	6085.19 ms +0.28% -0.2%	-0.14%
mediaProcessingJpegToAvif	4190.08 ms +0.26% -0.37%	4198.99 ms +0.38% -0.19%	-0.21%

media-upload

Metric	e205e16	trunk	% Change
jpegUploadProcessing	1452.97 ms +34.01% -1.89%	1427.42 ms +0.79% -0.95%	1.79%
pngUploadProcessing	230.89 ms +3.05% -21.14%	201.52 ms +11.47% -9.91%	14.57%
largeJpegUploadProcessing	1415.7 ms +1.09% -0.67%	1414.84 ms +0.4% -1.23%	0.06%
multipleImageUploadProcessing	1629.11 ms +9.41% -2.25%	1654.3 ms +27.26% -3.55%	-1.52%

post-editor

Metric	e205e16	trunk	% Change
serverResponse	508.92 ms +4.8% -5.2%	518.8 ms +4% -6.53%	-1.9%
firstPaint	271 ms +20.47% -20.23%	217.51 ms +13.97% -9.06%	24.59%
domContentLoaded	1136.48 ms +1.52% -3.39%	1143.09 ms +2.45% -2.99%	-0.58%
loaded	1137.97 ms +1.51% -3.38%	1144.57 ms +2.46% -3%	-0.58%
firstContentfulPaint	460.25 ms +1.79% -3.47%	468.43 ms +1.17% -5.41%	-1.75%
firstBlock	3422.05 ms +0.51% -1.22%	3415.73 ms +1.8% -0.77%	0.19%
type	17.91 ms +14.41% -3.35%	18.24 ms +7.95% -2.52%	-1.81%
typeWithoutInspector	18.33 ms +20.62% -7.36%	19.24 ms +6.39% -4.47%	-4.73%
typeWithTopToolbar	24.98 ms +4.68% -3.96%	21.65 ms +22.82% -5.31%	15.38%
typeContainer	1.4 ms +17.14% -30.71%	1.36 ms +11.03% -45.59%	2.94%
focus	13.07 ms +3.67% -5.43%	13.43 ms +14.74% -3.05%	-2.68%
firstFocus	30.4 ms +0% -0%	29.34 ms +0% -0%	3.61%
selectAll	1535.78 ms +5.38% -0.24%	1541.68 ms +1.18% -1.33%	-0.38%
listViewOpen	68.39 ms +12.24% -16.36%	70.48 ms +8.41% -3.56%	-2.97%
inserterOpen	23.64 ms +21.57% -10.11%	27.7 ms +3.75% -9.96%	-14.66%
inserterHover	2.5 ms +15.6% -12.8%	2.22 ms +8.11% -7.66%	12.61%
inserterSearch	7.6 ms +3.82% -6.71%	8.32 ms +4.57% -7.21%	-8.65%
loadPatterns	661.72 ms +5.06% -3.58%	669.18 ms +2.6% -5.37%	-1.11%
wpTotal	498.84 ms +4.56% -5.31%	508.59 ms +4.06% -6.57%	-1.92%
wpMemoryUsage	13.16 MB +0% -0%	13.13 MB +0% -0%	0.28%
wpDbQueries	54 +0% -1.85%	54 +0% -1.85%	0%

site-editor

Metric	e205e16	trunk	% Change
serverResponse	496.24 ms +5.69% -4.97%	492.57 ms +4.94% -6.2%	0.75%
firstPaint	246.04 ms +24.8% -16.73%	233.92 ms +18.27% -10.96%	5.18%
domContentLoaded	1126.6 ms +1.04% -0.57%	1126.83 ms +2.13% -0.74%	-0.02%
loaded	1127.9 ms +1.05% -0.59%	1127.95 ms +2.13% -0.75%	0%
firstContentfulPaint	444.6 ms +1.51% -7.59%	448.83 ms +1.62% -4.4%	-0.94%
firstBlock	4156.9 ms +0.5% -1.19%	4113.27 ms +1.56% -0.83%	1.06%
type	18.62 ms +3.06% -4.46%	17.38 ms +11.97% -4.72%	7.13%
navigate	106.06 ms +28.75% -6.66%	112.31 ms +12.33% -1.41%	-5.56%
loadPatterns	1294.41 ms +8.59% -2.5%	1223.62 ms +6.93% -12.13%	5.79%
loadPages	1067.75 ms +1.65% -2.33%	1056.95 ms +3.56% -3.81%	1.02%
wpTotal	486.38 ms +5.89% -5.11%	482.62 ms +5.08% -6.18%	0.78%
wpMemoryUsage	12.14 MB +0% -0%	12.10 MB +0% -0%	0.3%
wpDbQueries	43.5 +1.15% -1.15%	43.5 +1.15% -1.15%	0%

_{d527a3e Run}