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fix: always callback error with invalid print settings (#24508)

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* fix: always callback error with invalid print settings

* fixup printing patch

Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
This commit is contained in:
Shelley Vohr
2020-07-13 14:19:51 -07:00
committed by GitHub
parent 6d34d0759d
commit f59d898f5c
4 changed files with 64 additions and 14 deletions
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docs/api/web-contents.md
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@@ -1298,6 +1298,8 @@ Returns [`PrinterInfo[]`](structures/printer-info.md)
* `success` Boolean - Indicates success of the print call.
* `failureReason` String - Error description called back if the print fails.
When a custom `pageSize` is passed, Chromium attempts to validate platform specific minumum values for `width_microns` and `height_microns`. Width and height must both be minimum 353 microns but may be higher on some operating systems.
Prints window's web page. When `silent` is set to `true`, Electron will pick
the system's default printer if `deviceName` is empty and the default settings for printing.
@@ -1321,13 +1323,12 @@ win.webContents.print(options, (success, errorType) => {
* `landscape` Boolean (optional) - `true` for landscape, `false` for portrait.
* `marginsType` Integer (optional) - Specifies the type of margins to use. Uses 0 for
default margin, 1 for no margin, and 2 for minimum margin.
and `width` in microns.
* `scaleFactor` Number (optional) - The scale factor of the web page. Can range from 0 to 100.
* `pageRanges` Record<string, number> (optional) - The page range to print.
* `from` Number - the first page to print.
* `to` Number - the last page to print (inclusive).
* `pageSize` String | Size (optional) - Specify page size of the generated PDF. Can be `A3`,
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height`
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height` and `width` in microns.
* `printBackground` Boolean (optional) - Whether to print CSS backgrounds.
* `printSelectionOnly` Boolean (optional) - Whether to print selection only.