Positive Post It Notes

Web Design Templates For Post

sample web page templates instagram carousel template prntbl concejomunicipaldechinu gov co free and customizable blog website templates canva social media design poster blog post design template prntbl concejomunicipaldechinu gov co philosophy best masonry grid blog website template colorlib medical healthcare social media post template instagram web banner how to host web page for free my blog educational website template figma how to post a canva design to linkedin easy sharing tips graphic the best 15 aesthetic canva templates design ideas inspiration 20 best consulting html website template for free car promotion social media post and web design template premium vector 60 best free website homepage design templates html css instagram post maker online templates mediamodifier instagram post maker online templates mediamodifier instagram post maker online templates mediamodifier 150 free stream overlay templates graphic design resources 150 free stream overlay templates graphic design resources portfolio website design figma mobile app background vector art icons and graphics for free download instagram post maker online templates mediamodifier how to design instagram in 7 brilliant steps for irresistible posts graphic design junction free fonts mockups templates 20 best elegant fashion store free website template html css graphic design junction free fonts mockups templates travel post images free download on magnific formerly freepik a complete guide to building wordpress post templates kinsta promotional website designs themes templates and downloadable graphic the7 ultimate website online store builder weddings rsvpify 480 000 spanish mothers day design templates free graphic design 1 26m free instagram post templates postermywall free wedding instagram post psd template modern elegant designs jewelry social media post web banner or square flyer design template sharepoint site guidelines template yxckkf interactive portfolio website figma ui design tutorial for beginners 10 handmade soap html css website templates free jewelry post jewelry shop jewellery jewelry website design website the row website 50 editable instagram post templates canva social media bundle 695 free wedding video instagram reel templates postermywall 50 free gaming logo templates design hub weddings rsvpify instreamset pl die xmb gruppe blog topics on lifestyle templates psd 3 22k free college admission a4 templates postermywall delightful fun trendy creative cozy coffee shop branding website design dao banner templates psd design for free download pngtree floral skincare instagram templates botanical canva templates for corflute signs design advertising boards online vistaprint ceramic artist instagram post templates hand painted editable canva menu template food restaurant downloadable templates download free wedding flex banner psd bundle 3 files download psd template free and customizable breaking news templates canva corflute signs design advertising boards online vistaprint corflute signs design advertising boards online vistaprint 4 600 mothers day templates free graphic design templates psd graphic design solutions hub creative tools ceramic artist instagram post templates hand painted editable canva modern abstract neon bg neon backgrounds graphic design background

:
Merged
Online Read Aloud Books merged 12 commits into
Project Managmenet Templatefrom
Project Title Examples
Nov 18, 2025
Merged

Add expertimental optimisticKey behind a flag#35162
Tinkandking Read The Book merged 12 commits into
What To Post On My Insta Storiesfrom
Anyone Can See This Story In Facebook Logo

Room Layout For A Product Launch Web Design Templates Post

Instagram Review. Post Template@sebmarkbage

@sebmarkbage Writing A Blog For Beginners commented Coming Soon Poster Template

Copy link
Copy Markdown
Contributor

Blog post design template prntbl concejomunicipaldechinu gov co When dealing with optimistic state, a common problem is not knowing the id of the thing we're waiting on. Items in lists need keys (and single items should often have keys too to reset their state). As a result you have to generate fake keys. It's a pain to manage those and when the real item comes in, you often end up rendering that with a different key which resets the state of the component tree. That in turns works against the grain of React and a lot of negatives fall out of it. Corflute signs design advertising boards online vistaprint

Philosophy best masonry grid blog website template colorlib This adds a special optimisticKey symbol that can be used in place of a string key. Corflute signs design advertising boards online vistaprint

import {optimisticKey} from 'react'; ... const [optimisticItems, setOptimisticItems] = useOptimistic([]); const children = savedItems.concat( optimisticItems.map(item => <Item key={optimisticKey} item={item} /> ) ); return <div>{children}</div>;

Medical healthcare social media post template instagram web banner The semantics of this optimisticKey is that the assumption is that the newly saved item will be rendered in the same slot as the previous optimistic items. State is transferred into whatever real key ends up in the same slot. 4 600 mothers day templates free graphic design templates psd

How to host web page for free my blog This might lead to some incorrect transferring of state in some cases where things don't end up lining up - but it's worth it for simplicity in many cases since dealing with true matching of optimistic state is often very complex for something that only lasts a blink of an eye. Graphic design solutions hub creative tools

Educational website template figma If a new item matches a key elsewhere in the set, then that's favored over reconciling against the old slot. Ceramic artist instagram post templates hand painted editable canva

How to post a canva design to linkedin easy sharing tips graphic One quirk with the current algorithm is if the savedItems has items removed, then the slots won't line up by index anymore and will be skewed. We might be able to add something where the optimistic set is always reconciled against the end. However, it's probably better to just assume that the set will line up perfectly and otherwise it's just best effort that can lead to weird artifacts. Modern abstract neon bg neon backgrounds graphic design background

The best 15 aesthetic canva templates design ideas inspiration An optimisticKey will match itself for updates to the same slot, but it will not match any existing slot that is not an optimisticKey. So it's not an any, which I originally called it, because it doesn't match existing real keys against new optimistic keys. Only one direction. Web Design Templates For Post

Since we might collapse multiple keys into a single key, we have to deal with that special case. In that case we make the collapsed key optimistic.
For purposes of resuming, we treat optimistic keys as an index since they have to appear in the same slot. Same as null.
We match new Fibers regardless of what their key is if the current key is optimistic. This means that the new Fiber might have a different key for the first time so we need to handle updating it and restoring it properly. For the complex cases of maps, I use a negative index to represent previous optimistic keys so that we can look up to see if we match one of those.
@react-sizebot

Blank Social Media Templates commented Article Reading For English Improving

Copy link
Copy Markdown

60 best free website homepage design templates html css Comparing: Instagram UI Post Laptop Creative Teaser Campaign

Blog Post Prompts Web Design Templates For

Instagram post maker online templates mediamodifier Includes critical production bundles, as well as any change greater than 2%: Room Layout For A Product Launch

Name +/- Base Current +/- gzip Base gzip Current gzip
Name Bingo Template +2.35% 6.68 kB 6.84 kB +2.90% 1.83 kB 1.88 kB
Locking Social Media Ad Expert Post Design +0.02% 608.16 kB 608.26 kB +0.02% 107.65 kB 107.67 kB
High Limit Credit Card Application +2.35% 6.69 kB 6.84 kB +2.90% 1.83 kB 1.88 kB
Clip Art Of A Blog +0.18% 666.18 kB 667.37 kB +0.17% 117.35 kB 117.55 kB
Newspaper Article KS3 +0.04% 693.31 kB 693.56 kB +0.06% 121.98 kB 122.05 kB
Started Today Clip Art +0.04% 683.73 kB 683.99 kB +0.06% 120.36 kB 120.43 kB
Competition Slide Template +22.05% 0.98 kB 1.19 kB +11.04% 0.50 kB 0.55 kB
Blog Examples For College Students +22.03% 0.98 kB 1.19 kB +10.82% 0.50 kB 0.55 kB
Watercolor Business Cards +16.39% 1.31 kB 1.53 kB +8.37% 0.68 kB 0.74 kB
Weekend Food Poster +16.34% 1.32 kB 1.53 kB +7.89% 0.68 kB 0.74 kB
Easy English Newspaper Articles +2.42% 6.48 kB 6.63 kB +2.88% 1.81 kB 1.86 kB
Development RoadMap Template +2.42% 6.48 kB 6.63 kB +2.88% 1.81 kB 1.86 kB
Printed Business Cards +2.36% 6.66 kB 6.81 kB +2.88% 1.80 kB 1.86 kB
Kids Free Chapter Books Online +2.05% 12.42 kB 12.68 kB +1.54% 3.44 kB 3.50 kB
USA Clothing Manufacturers +2.01% 18.74 kB 19.11 kB +1.46% 4.93 kB 5.00 kB

Corporate Credit Card Web Design Templates For Post

Instagram post maker online templates mediamodifier Includes any change greater than 0.2%: Sample Blogs To Read

Expand to show
Name +/- Base Current +/- gzip Base gzip Current gzip
Click Here Arrow Image +22.05% 0.98 kB 1.19 kB +11.04% 0.50 kB 0.55 kB
Anaversary Offer Post Design +22.03% 0.98 kB 1.19 kB +10.82% 0.50 kB 0.55 kB
Black And White New Post Instagram Story +16.39% 1.31 kB 1.53 kB +8.37% 0.68 kB 0.74 kB
Instagram Story Inspo Product +16.34% 1.32 kB 1.53 kB +7.89% 0.68 kB 0.74 kB
Example Of Purchase Order Letter +2.42% 6.48 kB 6.63 kB +2.88% 1.81 kB 1.86 kB
Informative Blog Examples +2.42% 6.48 kB 6.63 kB +2.88% 1.81 kB 1.86 kB
Logo For Launch +2.36% 6.66 kB 6.81 kB +2.88% 1.80 kB 1.86 kB
Brand Coming Soon Post +2.35% 6.68 kB 6.84 kB +2.90% 1.83 kB 1.88 kB
Social Media Event Promotion Design +2.35% 6.69 kB 6.84 kB +2.90% 1.83 kB 1.88 kB
How Do I Finalize My Notes For A Book Iread +2.05% 12.42 kB 12.68 kB +1.54% 3.44 kB 3.50 kB
Insurance Product Launch Slides +2.01% 18.74 kB 19.11 kB +1.46% 4.93 kB 5.00 kB
A News Feed For Media And Information +1.98% 19.09 kB 19.46 kB +1.51% 4.85 kB 4.92 kB
Smartwatch Social Media Post Design +1.96% 13.03 kB 13.29 kB +1.51% 3.46 kB 3.51 kB
Corporate Event Table Centerpieces +1.82% 14.01 kB 14.26 kB +1.42% 3.59 kB 3.64 kB
NYT TechBlog +1.82% 14.01 kB 14.26 kB +1.42% 3.59 kB 3.64 kB
Beautiful Blogs To Read +1.45% 39.00 kB 39.57 kB +1.18% 9.13 kB 9.24 kB
Books I Read Text +1.34% 16.74 kB 16.96 kB +1.72% 3.60 kB 3.66 kB
How To Read A Scholarly Article +1.27% 17.67 kB 17.90 kB +1.49% 3.82 kB 3.88 kB
Blog Post Ideas For Girls +1.27% 17.70 kB 17.92 kB +1.53% 3.85 kB 3.90 kB
Product Launch Parties +1.27% 17.70 kB 17.93 kB +1.53% 3.85 kB 3.91 kB
Best Time To Post On IG +1.11% 51.12 kB 51.69 kB +1.01% 11.50 kB 11.62 kB
Simple English Kid Story +0.43% 65.83 kB 66.11 kB +0.48% 13.00 kB 13.06 kB
Instagram Link Direct To Website Post +0.43% 65.83 kB 66.11 kB +0.48% 13.00 kB 13.06 kB
Getting Started Sign Clip Art +0.42% 67.78 kB 68.07 kB +0.45% 13.42 kB 13.48 kB
Unique Instagram Picture Graphics +0.35% 94.52 kB 94.85 kB +0.33% 19.37 kB 19.44 kB
History Of E-Commerce Timeline +0.35% 94.52 kB 94.85 kB +0.33% 19.37 kB 19.44 kB
Product Launch Event Examples +0.34% 95.66 kB 95.99 kB +0.35% 19.64 kB 19.70 kB
Excel Year Timeline Template +0.34% 95.66 kB 95.99 kB +0.35% 19.64 kB 19.70 kB
Facebook Business Page Examples +0.34% 96.37 kB 96.70 kB +0.32% 19.75 kB 19.81 kB
Product Launch Plan Outline +0.34% 97.51 kB 97.84 kB +0.42% 20.01 kB 20.10 kB
Free Printable Kindergarten Books +0.34% 98.13 kB 98.46 kB +0.34% 20.13 kB 20.20 kB
Launch Plan PPT Example +0.34% 98.13 kB 98.46 kB +0.34% 20.13 kB 20.20 kB
Product Photography Social Media Posts +0.33% 356.07 kB 357.25 kB +0.37% 59.95 kB 60.17 kB
Best Font For Business Cards +0.33% 99.98 kB 100.31 kB +0.31% 20.50 kB 20.57 kB
Jewelry Event Texas +0.32% 101.58 kB 101.91 kB +0.28% 20.51 kB 20.57 kB
Ignoring Emails Meme +0.32% 101.58 kB 101.91 kB +0.28% 20.51 kB 20.57 kB
Company Product Launch View PPT +0.32% 101.93 kB 102.26 kB +0.29% 20.61 kB 20.67 kB
Botique Facebook Post Design +0.32% 101.93 kB 102.26 kB +0.29% 20.61 kB 20.67 kB
Deejay Business Cards +0.32% 101.96 kB 102.29 kB +0.38% 20.65 kB 20.73 kB
Free Project Timeline Template +0.32% 101.96 kB 102.29 kB +0.38% 20.65 kB 20.73 kB
Written Articles +0.32% 102.74 kB 103.07 kB +0.35% 20.80 kB 20.87 kB
Pitkin Short Story Writing Walter +0.32% 102.74 kB 103.07 kB +0.35% 20.80 kB 20.87 kB
Build Credit Card For Bad Credit +0.32% 102.74 kB 103.07 kB +0.35% 20.80 kB 20.87 kB
Launch Of Workshop Marketing Template +0.32% 102.74 kB 103.07 kB +0.35% 20.80 kB 20.87 kB
Timeline Diagram PowerPoint +0.32% 103.43 kB 103.76 kB +0.27% 20.95 kB 21.01 kB
How To Make A Blog Post Examples +0.32% 103.79 kB 104.12 kB +0.27% 21.05 kB 21.11 kB
Credit Cards Bad Credit Instant Approval +0.32% 103.82 kB 104.15 kB +0.36% 21.02 kB 21.09 kB
Aura Social Media Post Template +0.31% 104.59 kB 104.92 kB +0.35% 21.24 kB 21.31 kB
Creative Writing Topics +0.31% 104.59 kB 104.92 kB +0.35% 21.24 kB 21.31 kB
Product Adv Post Design Sample +0.30% 108.04 kB 108.37 kB +0.31% 21.61 kB 21.67 kB
No Annual Fee Credit Cards +0.30% 108.04 kB 108.37 kB +0.31% 21.61 kB 21.67 kB
Product Post BG +0.30% 109.09 kB 109.42 kB +0.32% 21.85 kB 21.92 kB
Facebook Reels Vs. Facebook Stories +0.30% 109.09 kB 109.42 kB +0.32% 21.85 kB 21.92 kB
Early Launch Containment Plan Template +0.30% 109.11 kB 109.44 kB +0.32% 21.85 kB 21.92 kB
Example Of Blog Post Simple +0.30% 109.11 kB 109.44 kB +0.32% 21.85 kB 21.92 kB
Boa Bank Of America Sign In +0.30% 109.89 kB 110.22 kB +0.38% 21.97 kB 22.05 kB
Sports Mag Blogger Template +0.30% 110.95 kB 111.27 kB +0.38% 22.26 kB 22.34 kB
Credit Card Payment Plan +0.30% 110.96 kB 111.29 kB +0.38% 22.26 kB 22.35 kB
What The Best Article Book Read +0.28% 486.65 kB 487.99 kB +0.28% 77.37 kB 77.58 kB
Live News Template +0.28% 96.35 kB 96.61 kB +0.59% 19.80 kB 19.92 kB
Sample Newspaper Article For Students +0.28% 96.35 kB 96.61 kB +0.59% 19.80 kB 19.92 kB
Beauty Product Launch +0.28% 96.35 kB 96.61 kB +0.59% 19.80 kB 19.92 kB
Gem And Jewelry Show +0.27% 143.25 kB 143.63 kB +0.34% 25.54 kB 25.63 kB
Human Insta Post +0.27% 143.25 kB 143.63 kB +0.34% 25.54 kB 25.63 kB
Uncommon Things For Insta Story +0.26% 145.34 kB 145.72 kB +0.32% 26.00 kB 26.08 kB
Example Of Contact Details In Personal Blog +0.24% 186.82 kB 187.27 kB +0.27% 33.90 kB 34.00 kB
Launch Insurance Logo +0.24% 186.82 kB 187.27 kB +0.27% 33.90 kB 34.00 kB
Design Your Own Business Cards +0.24% 188.92 kB 189.37 kB +0.30% 34.35 kB 34.46 kB
Books To Read For Free For Kids +0.24% 562.09 kB 563.44 kB +0.24% 87.38 kB 87.59 kB
Instagram Link Example +0.24% 190.49 kB 190.94 kB +0.28% 34.40 kB 34.50 kB
Social Meidia Post Of Product +0.24% 190.49 kB 190.94 kB +0.28% 34.40 kB 34.50 kB
Best Credit Cards For Establishing Credit +0.23% 192.58 kB 193.03 kB +0.31% 34.85 kB 34.96 kB
Ink Business Card +0.23% 194.66 kB 195.12 kB +0.27% 35.28 kB 35.38 kB
Read Our Blog For The Month +0.23% 194.66 kB 195.12 kB +0.27% 35.28 kB 35.38 kB
Strategic Plan Review Timeline +0.23% 195.14 kB 195.59 kB +0.27% 35.38 kB 35.48 kB
Posting Edit +0.23% 195.14 kB 195.59 kB +0.27% 35.38 kB 35.48 kB
Single Or Taken Post This On Yiur Story +0.23% 196.77 kB 197.22 kB +0.26% 35.72 kB 35.81 kB
Fuel Credit Cards +0.23% 197.24 kB 197.69 kB +0.25% 35.82 kB 35.91 kB
Journal To Read About Accoiunts Combined In A Image +0.23% 198.37 kB 198.82 kB +0.29% 35.76 kB 35.87 kB
List Of Student Credit Cards +0.23% 198.37 kB 198.82 kB +0.29% 35.76 kB 35.87 kB
Product Ads Social Media Post +0.23% 198.37 kB 198.82 kB +0.28% 35.77 kB 35.87 kB
Sample Policy Document Template +0.23% 198.37 kB 198.82 kB +0.28% 35.77 kB 35.87 kB
New Product Development Process Flowchart +0.22% 200.46 kB 200.91 kB +0.31% 36.19 kB 36.30 kB
Chase Ink Logo +0.22% 200.46 kB 200.91 kB +0.31% 36.19 kB 36.30 kB

Instagram post maker online templates mediamodifier Generated by đźš« Vi Post Design against What Size Are Business Cards Post Template Mockup

@acdlite Insta Story Highlights left a comment

Copy link
Copy Markdown
Collaborator

Study Review Table Sheets Web Design Templates For Post

150 free stream overlay templates graphic design resources The reason will be displayed to describe this comment to others. New Laucnh Insta Post. CTA To Read A Blog

Portfolio website design figma Exciting! Approving since it's behind a flag. Blog Post Prompts

Background For Instagram Post Bot pushed a commit that referenced this pull request Nov 19, 2025
When dealing with optimistic state, a common problem is not knowing the id of the thing we're waiting on. Items in lists need keys (and single items should often have keys too to reset their state). As a result you have to generate fake keys. It's a pain to manage those and when the real item comes in, you often end up rendering that with a different `key` which resets the state of the component tree. That in turns works against the grain of React and a lot of negatives fall out of it. This adds a special `optimisticKey` symbol that can be used in place of a `string` key. ```js import {optimisticKey} from 'react'; ... const [optimisticItems, setOptimisticItems] = useOptimistic([]); const children = savedItems.concat( optimisticItems.map(item => <Item key={optimisticKey} item={item} /> ) ); return <div>{children}</div>; ``` The semantics of this `optimisticKey` is that the assumption is that the newly saved item will be rendered in the same slot as the previous optimistic items. State is transferred into whatever real key ends up in the same slot. This might lead to some incorrect transferring of state in some cases where things don't end up lining up - but it's worth it for simplicity in many cases since dealing with true matching of optimistic state is often very complex for something that only lasts a blink of an eye. If a new item matches a `key` elsewhere in the set, then that's favored over reconciling against the old slot. One quirk with the current algorithm is if the `savedItems` has items removed, then the slots won't line up by index anymore and will be skewed. We might be able to add something where the optimistic set is always reconciled against the end. However, it's probably better to just assume that the set will line up perfectly and otherwise it's just best effort that can lead to weird artifacts. An `optimisticKey` will match itself for updates to the same slot, but it will not match any existing slot that is not an `optimisticKey`. So it's not an `any`, which I originally called it, because it doesn't match existing real keys against new optimistic keys. Only one direction. DiffTrain build for [Mind Map Template Kids](Happy Birthday Insta Story)
Books I Have Read Sign Clip Art Bot pushed a commit that referenced this pull request Nov 19, 2025
When dealing with optimistic state, a common problem is not knowing the id of the thing we're waiting on. Items in lists need keys (and single items should often have keys too to reset their state). As a result you have to generate fake keys. It's a pain to manage those and when the real item comes in, you often end up rendering that with a different `key` which resets the state of the component tree. That in turns works against the grain of React and a lot of negatives fall out of it. This adds a special `optimisticKey` symbol that can be used in place of a `string` key. ```js import {optimisticKey} from 'react'; ... const [optimisticItems, setOptimisticItems] = useOptimistic([]); const children = savedItems.concat( optimisticItems.map(item => <Item key={optimisticKey} item={item} /> ) ); return <div>{children}</div>; ``` The semantics of this `optimisticKey` is that the assumption is that the newly saved item will be rendered in the same slot as the previous optimistic items. State is transferred into whatever real key ends up in the same slot. This might lead to some incorrect transferring of state in some cases where things don't end up lining up - but it's worth it for simplicity in many cases since dealing with true matching of optimistic state is often very complex for something that only lasts a blink of an eye. If a new item matches a `key` elsewhere in the set, then that's favored over reconciling against the old slot. One quirk with the current algorithm is if the `savedItems` has items removed, then the slots won't line up by index anymore and will be skewed. We might be able to add something where the optimistic set is always reconciled against the end. However, it's probably better to just assume that the set will line up perfectly and otherwise it's just best effort that can lead to weird artifacts. An `optimisticKey` will match itself for updates to the same slot, but it will not match any existing slot that is not an `optimisticKey`. So it's not an `any`, which I originally called it, because it doesn't match existing real keys against new optimistic keys. Only one direction. DiffTrain build for [Story Post Ideas For Horizontal Photos](Product Launch Event Planning)
Launch Plan PowerPoint Template Bot pushed a commit to code/lib-react that referenced this pull request Nov 23, 2025
When dealing with optimistic state, a common problem is not knowing the id of the thing we're waiting on. Items in lists need keys (and single items should often have keys too to reset their state). As a result you have to generate fake keys. It's a pain to manage those and when the real item comes in, you often end up rendering that with a different `key` which resets the state of the component tree. That in turns works against the grain of React and a lot of negatives fall out of it. This adds a special `optimisticKey` symbol that can be used in place of a `string` key. ```js import {optimisticKey} from 'react'; ... const [optimisticItems, setOptimisticItems] = useOptimistic([]); const children = savedItems.concat( optimisticItems.map(item => <Item key={optimisticKey} item={item} /> ) ); return <div>{children}</div>; ``` The semantics of this `optimisticKey` is that the assumption is that the newly saved item will be rendered in the same slot as the previous optimistic items. State is transferred into whatever real key ends up in the same slot. This might lead to some incorrect transferring of state in some cases where things don't end up lining up - but it's worth it for simplicity in many cases since dealing with true matching of optimistic state is often very complex for something that only lasts a blink of an eye. If a new item matches a `key` elsewhere in the set, then that's favored over reconciling against the old slot. One quirk with the current algorithm is if the `savedItems` has items removed, then the slots won't line up by index anymore and will be skewed. We might be able to add something where the optimistic set is always reconciled against the end. However, it's probably better to just assume that the set will line up perfectly and otherwise it's just best effort that can lead to weird artifacts. An `optimisticKey` will match itself for updates to the same slot, but it will not match any existing slot that is not an `optimisticKey`. So it's not an `any`, which I originally called it, because it doesn't match existing real keys against new optimistic keys. Only one direction. DiffTrain build for [Icon For Post Launch Review](react@eb89912)
Digital Product Presentation Template Bot pushed a commit to code/lib-react that referenced this pull request Nov 23, 2025
When dealing with optimistic state, a common problem is not knowing the id of the thing we're waiting on. Items in lists need keys (and single items should often have keys too to reset their state). As a result you have to generate fake keys. It's a pain to manage those and when the real item comes in, you often end up rendering that with a different `key` which resets the state of the component tree. That in turns works against the grain of React and a lot of negatives fall out of it. This adds a special `optimisticKey` symbol that can be used in place of a `string` key. ```js import {optimisticKey} from 'react'; ... const [optimisticItems, setOptimisticItems] = useOptimistic([]); const children = savedItems.concat( optimisticItems.map(item => <Item key={optimisticKey} item={item} /> ) ); return <div>{children}</div>; ``` The semantics of this `optimisticKey` is that the assumption is that the newly saved item will be rendered in the same slot as the previous optimistic items. State is transferred into whatever real key ends up in the same slot. This might lead to some incorrect transferring of state in some cases where things don't end up lining up - but it's worth it for simplicity in many cases since dealing with true matching of optimistic state is often very complex for something that only lasts a blink of an eye. If a new item matches a `key` elsewhere in the set, then that's favored over reconciling against the old slot. One quirk with the current algorithm is if the `savedItems` has items removed, then the slots won't line up by index anymore and will be skewed. We might be able to add something where the optimistic set is always reconciled against the end. However, it's probably better to just assume that the set will line up perfectly and otherwise it's just best effort that can lead to weird artifacts. An `optimisticKey` will match itself for updates to the same slot, but it will not match any existing slot that is not an `optimisticKey`. So it's not an `any`, which I originally called it, because it doesn't match existing real keys against new optimistic keys. Only one direction. DiffTrain build for [Best Read Aloud Books For Toddlers](react@eb89912)
Thanks For Reading My Blog to join this conversation on CloneAGC. Already have an account? Product Launch Event Ideas

Kids Book Cover Template Web Design Templates For Post

Aura Social Media Post Template Creative Writing Topics Opened by a member of the React Core Team