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A Trivial Diagnosis
Webpack generate different chunks with the same contenthash
Difference between == and === in JavaScriptWhat's the difference between using “let” and “var”?Generate random string/characters in JavaScriptGenerating random whole numbers in JavaScript in a specific range?What is the difference between call and apply?Generate random number between two numbers in JavaScriptDifferences between lodash and underscoreWhat is the difference between Bower and npm?NPM vs. Bower vs. Browserify vs. Gulp vs. Grunt vs. WebpackHow to handle deploys with Webpack code splitting?
I've a Webpack 4.1 configuration that use code splitting and output chunks names using a pattern like myproj-[name]-[contenthash].chunk.js.
I'm copying all of the production bundle files, for every version, in the same directory on the server, being sure (until now) that chunks are unique and I have no clashing.
Today I found an issue releasing a new version of the application: I've a file named myproj-modulex-0bb2f31cc0ca424a07d8.chunk.js that was also generated with the old version (that's the scope of contenthash, isn't it?). I'm expecting that the content of the file is identical but it isn't.
There's only one character changed (the array index). The chunk start with...
(window.webpackJsonp_XXXX=window.webpackJsonp_XXXX||[]).push([[7],{"2d0274e27fde9220edd9"...
...while the old version was using ...push([[6],....
One of the difference of the new version from the old ones is that I added new code splitting points.
So: it seems that new split points changed chunks order, but webpack still use the same generated filename (probably because contenthash is referred to the realm module content?).
The issue is critical: when the new file is copied on the server it overwrite the old file and so client using old version are not working anymore because chunk is loaded in a wrong position on the push array (I guess).
Error is:
"Error: Loading chunk 6 failed.
(missing: https://.../myproj-xxx-0bb2f31cc0ca424a07d8.chunk.js)"
There's a way to fix this issue, maybe naming pushed chunks, or specifying the order, or generated different hashes? chunkhash ?
javascript webpack code-splitting
asked 17 hours ago
keulkeul
5,7011030
add a comment |
I've a Webpack 4.1 configuration that use code splitting and output chunks names using a pattern like myproj-[name]-[contenthash].chunk.js.
I'm copying all of the production bundle files, for every version, in the same directory on the server, being sure (until now) that chunks are unique and I have no clashing.
Today I found an issue releasing a new version of the application: I've a file named myproj-modulex-0bb2f31cc0ca424a07d8.chunk.js that was also generated with the old version (that's the scope of contenthash, isn't it?). I'm expecting that the content of the file is identical but it isn't.
There's only one character changed (the array index). The chunk start with...
(window.webpackJsonp_XXXX=window.webpackJsonp_XXXX||[]).push([[7],{"2d0274e27fde9220edd9"...
...while the old version was using ...push([[6],....
One of the difference of the new version from the old ones is that I added new code splitting points.
So: it seems that new split points changed chunks order, but webpack still use the same generated filename (probably because contenthash is referred to the realm module content?).
The issue is critical: when the new file is copied on the server it overwrite the old file and so client using old version are not working anymore because chunk is loaded in a wrong position on the push array (I guess).
Error is:
"Error: Loading chunk 6 failed.
(missing: https://.../myproj-xxx-0bb2f31cc0ca424a07d8.chunk.js)"
There's a way to fix this issue, maybe naming pushed chunks, or specifying the order, or generated different hashes? chunkhash ?
javascript webpack code-splitting
asked 17 hours ago
keulkeul
5,7011030
add a comment |
I've a Webpack 4.1 configuration that use code splitting and output chunks names using a pattern like myproj-[name]-[contenthash].chunk.js.
I'm copying all of the production bundle files, for every version, in the same directory on the server, being sure (until now) that chunks are unique and I have no clashing.
Today I found an issue releasing a new version of the application: I've a file named myproj-modulex-0bb2f31cc0ca424a07d8.chunk.js that was also generated with the old version (that's the scope of contenthash, isn't it?). I'm expecting that the content of the file is identical but it isn't.
There's only one character changed (the array index). The chunk start with...
(window.webpackJsonp_XXXX=window.webpackJsonp_XXXX||[]).push([[7],{"2d0274e27fde9220edd9"...
...while the old version was using ...push([[6],....
One of the difference of the new version from the old ones is that I added new code splitting points.
So: it seems that new split points changed chunks order, but webpack still use the same generated filename (probably because contenthash is referred to the realm module content?).
The issue is critical: when the new file is copied on the server it overwrite the old file and so client using old version are not working anymore because chunk is loaded in a wrong position on the push array (I guess).
Error is:
"Error: Loading chunk 6 failed.
(missing: https://.../myproj-xxx-0bb2f31cc0ca424a07d8.chunk.js)"
There's a way to fix this issue, maybe naming pushed chunks, or specifying the order, or generated different hashes? chunkhash ?
javascript webpack code-splitting
asked 17 hours ago
keulkeul
5,7011030
I've a Webpack 4.1 configuration that use code splitting and output chunks names using a pattern like myproj-[name]-[contenthash].chunk.js.
I'm copying all of the production bundle files, for every version, in the same directory on the server, being sure (until now) that chunks are unique and I have no clashing.
Today I found an issue releasing a new version of the application: I've a file named myproj-modulex-0bb2f31cc0ca424a07d8.chunk.js that was also generated with the old version (that's the scope of contenthash, isn't it?). I'm expecting that the content of the file is identical but it isn't.
There's only one character changed (the array index). The chunk start with...
(window.webpackJsonp_XXXX=window.webpackJsonp_XXXX||[]).push([[7],{"2d0274e27fde9220edd9"...
...while the old version was using ...push([[6],....
One of the difference of the new version from the old ones is that I added new code splitting points.
So: it seems that new split points changed chunks order, but webpack still use the same generated filename (probably because contenthash is referred to the realm module content?).
The issue is critical: when the new file is copied on the server it overwrite the old file and so client using old version are not working anymore because chunk is loaded in a wrong position on the push array (I guess).
Error is:
"Error: Loading chunk 6 failed.
(missing: https://.../myproj-xxx-0bb2f31cc0ca424a07d8.chunk.js)"
There's a way to fix this issue, maybe naming pushed chunks, or specifying the order, or generated different hashes? chunkhash ?
javascript webpack code-splitting
javascript webpack code-splitting
asked 17 hours ago
keulkeul
5,7011030
asked 17 hours ago
keulkeul
5,7011030
asked 17 hours ago
keulkeul
5,7011030
asked 17 hours ago
keulkeul
5,7011030
asked 17 hours ago
keulkeul
5,7011030
5,7011030
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Webpack uses ids as a chunk references and those ids are not guaranteed to remain the same for the same chunks among different builds. contenthash is used for files extracted by ExtractTextWebpackPlugin. The same source content will get the same contenthash but the generated file may differ due to id changes.
Try using myproj-[name]-[chunkhash].chunk.js instead.
Also take a look at optimization.moduleIds and optimization.chunkIds settings.
answered 16 hours ago
UjinT34UjinT34
1,226112
Thanks, those information point me to the right solution. Seems thatchunkIds(notmoduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.
– keul
16 hours ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Webpack uses ids as a chunk references and those ids are not guaranteed to remain the same for the same chunks among different builds. contenthash is used for files extracted by ExtractTextWebpackPlugin. The same source content will get the same contenthash but the generated file may differ due to id changes.
Try using myproj-[name]-[chunkhash].chunk.js instead.
Also take a look at optimization.moduleIds and optimization.chunkIds settings.
answered 16 hours ago
UjinT34UjinT34
1,226112
Thanks, those information point me to the right solution. Seems thatchunkIds(notmoduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.
– keul
16 hours ago
add a comment |
Webpack uses ids as a chunk references and those ids are not guaranteed to remain the same for the same chunks among different builds. contenthash is used for files extracted by ExtractTextWebpackPlugin. The same source content will get the same contenthash but the generated file may differ due to id changes.
Try using myproj-[name]-[chunkhash].chunk.js instead.
Also take a look at optimization.moduleIds and optimization.chunkIds settings.
answered 16 hours ago
UjinT34UjinT34
1,226112
Thanks, those information point me to the right solution. Seems thatchunkIds(notmoduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.
– keul
16 hours ago
add a comment |
Webpack uses ids as a chunk references and those ids are not guaranteed to remain the same for the same chunks among different builds. contenthash is used for files extracted by ExtractTextWebpackPlugin. The same source content will get the same contenthash but the generated file may differ due to id changes.
Try using myproj-[name]-[chunkhash].chunk.js instead.
Also take a look at optimization.moduleIds and optimization.chunkIds settings.
answered 16 hours ago
UjinT34UjinT34
1,226112
Webpack uses ids as a chunk references and those ids are not guaranteed to remain the same for the same chunks among different builds. contenthash is used for files extracted by ExtractTextWebpackPlugin. The same source content will get the same contenthash but the generated file may differ due to id changes.
Try using myproj-[name]-[chunkhash].chunk.js instead.
Also take a look at optimization.moduleIds and optimization.chunkIds settings.
answered 16 hours ago
UjinT34UjinT34
1,226112
edited 16 hours ago
answered 16 hours ago
UjinT34UjinT34
1,226112
answered 16 hours ago
UjinT34UjinT34
1,226112
answered 16 hours ago
UjinT34UjinT34
1,226112
1,226112
Thanks, those information point me to the right solution. Seems thatchunkIds(notmoduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.
– keul
16 hours ago
add a comment |
Thanks, those information point me to the right solution. Seems thatchunkIds(notmoduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.
– keul
16 hours ago
Thanks, those information point me to the right solution. Seems that
chunkIds (not moduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.– keul
16 hours ago
Thanks, those information point me to the right solution. Seems that
chunkIds (not moduleIds) was the answer. One time again: I'm stuck by the edge cases on webpack... Web is full of tutorial just saying "just use contenthash" while the solution is not that easy.– keul
16 hours ago
add a comment |
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