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64 lines
2.4 KiB
Plaintext
64 lines
2.4 KiB
Plaintext
---
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id: line-error
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title: Line error
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sidebar_label: Line error
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---
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:::info
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This feature only works in `powershell` for the time being.
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:::
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Line error, when enabled, replaces the last part of the prompt when the text entered is invalid. It leverages
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[PSReadLine's][psreadline] `-PromptText` setting by adding two distinct prompts. One for a valid line,
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and one for when there's an error. As PSReadLine will rewrite the last part of
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your prompt with the value of either based on the line's context, you will need to make sure everything
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is compatible with your config as **these values are only set once** on shell start.
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There are two config settings you need to tweak:
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- `valid_line`: displays when the line is valid (again)
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- `error_line`: displays when the line is faulty
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You can use go [text/template][go-text-template] templates extended with [sprig][sprig] to enrich the text.
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All [template][templates] functionality is available, even reusing [cross segment template properties][cstp] from
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the previous primary prompt run.
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## Configuration
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You need to extend or create a custom theme with your prompt overrides. For example:
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```json
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{
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"$schema": "https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/schema.json",
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"blocks": [
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...
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],
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"valid_line": {
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"background": "transparent",
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"foreground": "#ffffff",
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"template": "<#e0def4,#286983>\uf42e </><#286983,transparent>\ue0b4</> "
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},
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"error_line": {
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"background": "transparent",
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"foreground": "#ffffff",
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"template": "<#eb6f92,#286983>\ue009 </><#286983,transparent>\ue0b4</> "
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}
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}
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```
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## Properties
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| Name | Type | Description |
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| ------------ | -------- | ---------------------------------------------------------- |
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| `background` | `string` | [color][colors] |
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| `foreground` | `string` | [color][colors] |
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| `template` | `string` | a fully featured [template][templates] - defaults to empty |
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[colors]: /docs/configuration/colors
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[go-text-template]: https://golang.org/pkg/text/template/
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[sprig]: https://masterminds.github.io/sprig/
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[console-title]: /docs/configuration/title#console-title-template
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[psreadline]: https://github.com/PowerShell/PSReadLine
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[templates]: /docs/configuration/templates
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[cstp]: /docs/configuration/templates#cross-segment-template-properties
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