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util: support BigInt in util.format #22097
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bigint is a distinct type from number and i don't think we should mix them up. perhaps there is another letter we can use? also any output of a bigint should include the n
suffix
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Your codes cannot pass eslint check because over 80-character each line. You have to step up to a new line, something like this format in your test file.
assert.strictEqual(util.format('%d', 1180591620717411303424),
'1.1805916207174113e+21');
assert.strictEqual(util.format('%d', 1180591620717411303424n),
'1180591620717411303424');
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@devsnek Thanks.
OK, but I have no idea what the letter should be. So, Please help me if you have any ideas.
I agree with you. I'll fix it. |
@Maledong Thanks. I fixed it. |
/cc @nodejs/util |
doc/api/util.md
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@@ -198,7 +198,7 @@ Each placeholder token is replaced with the converted value from the | |||
corresponding argument. Supported placeholders are: | |||
|
|||
* `%s` - `String`. | |||
* `%d` - `Number` (integer or floating point value). | |||
* `%d` - `Number` (integer or floating point value) or `BigInt`. |
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If anything, shouldn't %i
be more suitable for BigInt
, considering it's an integer?
Before we jump to an implementation, I'd suggest first discussing it at whatwg/console. The spec says that |
@joyeecheung @silverwind Thank you for your comments. I think It's better to discuss before implementing this on Node.js. I created the issue in whatwg/console. whatwg/console#148 |
edit: see whatwg/console#148 (comment) |
Adding support for BigInt in util.format and console.log. Placeholder `%d` is replaced as Number when BigInt is set in second argument. Now, `util.format('%d', 1180591620717411303424n)` returns `'1.1805916207174113e+21'`. However, expected result is `'1180591620717411303424'`.
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Current implementation looks good to me, but please update the docs and maybe add a few more test cases with more than one specifier. Not totally happy with the change to include the |
@silverwind Thank you for your comments. I updated document |
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LGTM, but would like to wait with landing a few more days in case there's any movement on whatwg/console#148.
@devsnek does your red cross still stand? I'd like to merge this. |
@devsnek Please review again. If you request changes still, please tell me what they are. |
Thanks. Landed in d71dd97. |
`util.format` and `console.log` now support BigInt via the existing format specifiers `%i` and `%d`. PR-URL: #22097 Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: James M Snell <jasnell@gmail.com>
`util.format` and `console.log` now support BigInt via the existing format specifiers `%i` and `%d`. PR-URL: #22097 Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: James M Snell <jasnell@gmail.com>
Notable changes: * assert * The diff output is now a tiny bit improved by sorting object properties when inspecting the values that are compared with each other. #22788 * cli * The options parser now normalizes `_` to `-` in all multi-word command-line flags, e.g. `--no_warnings` has the same effect as `--no-warnings`. #23020 * Added bash completion for the `node` binary. To generate a bash completion script, run `node --completion-bash`. The output can be saved to a file which can be sourced to enable completion. #20713 * crypto * Added support for PEM-level encryption. #23151 * Added an API asymmetric key pair generation. The new methods `crypto.generateKeyPair` and `crypto.generateKeyPairSync` can be used to generate public and private key pairs. The API supports RSA, DSA and EC and a variety of key encodings (both PEM and DER). #22660 * fs * Added a `recursive` option to `fs.mkdir` and `fs.mkdirSync`. If this option is set to true, non-existing parent folders will be automatically created. #21875 * http2 * Added a `'ping'` event to `Http2Session` that is emitted whenever a non-ack `PING` is received. #23009 * Added support for the `ORIGIN` frame. #22956 * Updated nghttp2 to 1.34.0. This adds RFC 8441 extended connect protocol support to allow use of WebSockets over HTTP/2. #23284 * module * Added `module.createRequireFromPath(filename)`. This new method can be used to create a custom require function that will resolve modules relative to the filename path. #19360 * process * Added a `'multipleResolves'` process event that is emitted whenever a `Promise` is attempted to be resolved multiple times, e.g. if the `resolve` and `reject` functions are both called in a `Promise` executor. #22218 * url * Added `url.fileURLToPath(url)` and `url.pathToFileURL(path)`. These methods can be used to correctly convert between file: URLs and absolute paths. #22506 * util * Added the `sorted` option to `util.inspect()`. If set to `true`, all properties of an object and Set and Map entries will be sorted in the returned string. If set to a function, it is used as a compare function. #22788 * The `util.instpect.custom` symbol is now defined in the global symbol registry as `Symbol.for('nodejs.util.inspect.custom')`. #20857 * Added support for `BigInt` numbers in `util.format()`. #22097 * V8 API * A number of V8 C++ APIs have been marked as deprecated since they have been removed in the upstream repository. Replacement APIs are added where necessary. #23159 * Windows * The Windows msi installer now provides an option to automatically install the tools required to build native modules. #22645 * Workers * Debugging support for Workers using the DevTools protocol has been implemented. #21364 * The public `inspector` module is now enabled in Workers. #22769 * Added new collaborators: * digitalinfinity - Hitesh Kanwathirtha PR-URL: #23313
Notable changes: * assert * The diff output is now a tiny bit improved by sorting object properties when inspecting the values that are compared with each other. #22788 * cli * The options parser now normalizes `_` to `-` in all multi-word command-line flags, e.g. `--no_warnings` has the same effect as `--no-warnings`. #23020 * Added bash completion for the `node` binary. To generate a bash completion script, run `node --completion-bash`. The output can be saved to a file which can be sourced to enable completion. #20713 * crypto * Added support for PEM-level encryption. #23151 * Added an API asymmetric key pair generation. The new methods `crypto.generateKeyPair` and `crypto.generateKeyPairSync` can be used to generate public and private key pairs. The API supports RSA, DSA and EC and a variety of key encodings (both PEM and DER). #22660 * fs * Added a `recursive` option to `fs.mkdir` and `fs.mkdirSync`. If this option is set to true, non-existing parent folders will be automatically created. #21875 * http2 * Added a `'ping'` event to `Http2Session` that is emitted whenever a non-ack `PING` is received. #23009 * Added support for the `ORIGIN` frame. #22956 * Updated nghttp2 to 1.34.0. This adds RFC 8441 extended connect protocol support to allow use of WebSockets over HTTP/2. #23284 * module * Added `module.createRequireFromPath(filename)`. This new method can be used to create a custom require function that will resolve modules relative to the filename path. #19360 * process * Added a `'multipleResolves'` process event that is emitted whenever a `Promise` is attempted to be resolved multiple times, e.g. if the `resolve` and `reject` functions are both called in a `Promise` executor. #22218 * url * Added `url.fileURLToPath(url)` and `url.pathToFileURL(path)`. These methods can be used to correctly convert between file: URLs and absolute paths. #22506 * util * Added the `sorted` option to `util.inspect()`. If set to `true`, all properties of an object and Set and Map entries will be sorted in the returned string. If set to a function, it is used as a compare function. #22788 * The `util.instpect.custom` symbol is now defined in the global symbol registry as `Symbol.for('nodejs.util.inspect.custom')`. #20857 * Added support for `BigInt` numbers in `util.format()`. #22097 * V8 API * A number of V8 C++ APIs have been marked as deprecated since they have been removed in the upstream repository. Replacement APIs are added where necessary. #23159 * Windows * The Windows msi installer now provides an option to automatically install the tools required to build native modules. #22645 * Workers * Debugging support for Workers using the DevTools protocol has been implemented. #21364 * The public `inspector` module is now enabled in Workers. #22769 * Added new collaborators: * digitalinfinity - Hitesh Kanwathirtha PR-URL: #23313
Notable changes: * assert * The diff output is now a tiny bit improved by sorting object properties when inspecting the values that are compared with each other. #22788 * cli * The options parser now normalizes `_` to `-` in all multi-word command-line flags, e.g. `--no_warnings` has the same effect as `--no-warnings`. #23020 * Added bash completion for the `node` binary. To generate a bash completion script, run `node --completion-bash`. The output can be saved to a file which can be sourced to enable completion. #20713 * crypto * Added support for PEM-level encryption. #23151 * Added an API asymmetric key pair generation. The new methods `crypto.generateKeyPair` and `crypto.generateKeyPairSync` can be used to generate public and private key pairs. The API supports RSA, DSA and EC and a variety of key encodings (both PEM and DER). #22660 * fs * Added a `recursive` option to `fs.mkdir` and `fs.mkdirSync`. If this option is set to true, non-existing parent folders will be automatically created. #21875 * http2 * Added a `'ping'` event to `Http2Session` that is emitted whenever a non-ack `PING` is received. #23009 * Added support for the `ORIGIN` frame. #22956 * Updated nghttp2 to 1.34.0. This adds RFC 8441 extended connect protocol support to allow use of WebSockets over HTTP/2. #23284 * module * Added `module.createRequireFromPath(filename)`. This new method can be used to create a custom require function that will resolve modules relative to the filename path. #19360 * process * Added a `'multipleResolves'` process event that is emitted whenever a `Promise` is attempted to be resolved multiple times, e.g. if the `resolve` and `reject` functions are both called in a `Promise` executor. #22218 * url * Added `url.fileURLToPath(url)` and `url.pathToFileURL(path)`. These methods can be used to correctly convert between file: URLs and absolute paths. #22506 * util * Added the `sorted` option to `util.inspect()`. If set to `true`, all properties of an object and Set and Map entries will be sorted in the returned string. If set to a function, it is used as a compare function. #22788 * The `util.instpect.custom` symbol is now defined in the global symbol registry as `Symbol.for('nodejs.util.inspect.custom')`. #20857 * Added support for `BigInt` numbers in `util.format()`. #22097 * V8 API * A number of V8 C++ APIs have been marked as deprecated since they have been removed in the upstream repository. Replacement APIs are added where necessary. #23159 * Windows * The Windows msi installer now provides an option to automatically install the tools required to build native modules. #22645 * Workers * Debugging support for Workers using the DevTools protocol has been implemented. #21364 * The public `inspector` module is now enabled in Workers. #22769 * Added new collaborators: * digitalinfinity - Hitesh Kanwathirtha PR-URL: #23313
`util.format` and `console.log` now support BigInt via the existing format specifiers `%i` and `%d`. PR-URL: #22097 Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: James M Snell <jasnell@gmail.com>
Notable changes: * assert * The diff output is now a tiny bit improved by sorting object properties when inspecting the values that are compared with each other. #22788 * cli * The options parser now normalizes `_` to `-` in all multi-word command-line flags, e.g. `--no_warnings` has the same effect as `--no-warnings`. #23020 * Added bash completion for the `node` binary. To generate a bash completion script, run `node --completion-bash`. The output can be saved to a file which can be sourced to enable completion. #20713 * crypto * Added support for PEM-level encryption. #23151 * Added an API asymmetric key pair generation. The new methods `crypto.generateKeyPair` and `crypto.generateKeyPairSync` can be used to generate public and private key pairs. The API supports RSA, DSA and EC and a variety of key encodings (both PEM and DER). #22660 * fs * Added a `recursive` option to `fs.mkdir` and `fs.mkdirSync`. If this option is set to true, non-existing parent folders will be automatically created. #21875 * http2 * Added a `'ping'` event to `Http2Session` that is emitted whenever a non-ack `PING` is received. #23009 * Added support for the `ORIGIN` frame. #22956 * Updated nghttp2 to 1.34.0. This adds RFC 8441 extended connect protocol support to allow use of WebSockets over HTTP/2. #23284 * module * Added `module.createRequireFromPath(filename)`. This new method can be used to create a custom require function that will resolve modules relative to the filename path. #19360 * process * Added a `'multipleResolves'` process event that is emitted whenever a `Promise` is attempted to be resolved multiple times, e.g. if the `resolve` and `reject` functions are both called in a `Promise` executor. #22218 * url * Added `url.fileURLToPath(url)` and `url.pathToFileURL(path)`. These methods can be used to correctly convert between file: URLs and absolute paths. #22506 * util * Added the `sorted` option to `util.inspect()`. If set to `true`, all properties of an object and Set and Map entries will be sorted in the returned string. If set to a function, it is used as a compare function. #22788 * The `util.instpect.custom` symbol is now defined in the global symbol registry as `Symbol.for('nodejs.util.inspect.custom')`. #20857 * Added support for `BigInt` numbers in `util.format()`. #22097 * V8 API * A number of V8 C++ APIs have been marked as deprecated since they have been removed in the upstream repository. Replacement APIs are added where necessary. #23159 * Windows * The Windows msi installer now provides an option to automatically install the tools required to build native modules. #22645 * Workers * Debugging support for Workers using the DevTools protocol has been implemented. #21364 * The public `inspector` module is now enabled in Workers. #22769 * Added new collaborators: * digitalinfinity - Hitesh Kanwathirtha PR-URL: #23313
Adding support for BigInt in util.format and console.log.
Placeholder
%d
is replaced as Number when BigInt is set insecond argument.
Now,
util.format('%d', 1180591620717411303424n)
returns'1.1805916207174113e+21'
.However, expected result is
'1180591620717411303424'
.Checklist
make -j4 test
(UNIX), orvcbuild test
(Windows) passes