255 lines
8 KiB
EmacsLisp
255 lines
8 KiB
EmacsLisp
;;; lsp-css.el --- CSS language server configuration -*- lexical-binding: t; -*-
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;; Copyright (C) 2019 Ivan Yonchovski
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;; Author: Ivan Yonchovski <yyoncho@gmail.com>
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;; Keywords:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'lsp-protocol)
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(require 'lsp-mode)
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(defgroup lsp-css nil
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"LSP support for CSS."
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:group 'lsp-mode
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:link '(url-link
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"https://github.com/microsoft/vscode/tree/main/extensions/css-language-features/server"))
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(defcustom lsp-css-experimental-custom-data nil
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"A list of JSON file paths that define custom CSS data that
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loads custom properties, at directives, pseudo classes /
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elements."
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:type '(repeat string))
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(defcustom lsp-css-completion-trigger-property-value-completion t
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"By default, VS Code triggers property value completion after
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selecting a CSS property. Use this setting to disable this
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behavior."
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:type 'boolean)
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(defcustom lsp-css-validate t
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"Enables or disables all validations."
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:type 'boolean)
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(defcustom lsp-css-lint-compatible-vendor-prefixes "ignore"
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"When using a vendor-specific prefix make sure to also include
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all other vendor-specific properties."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-vendor-prefix "warning"
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"When using a vendor-specific prefix, also include the standard
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property."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-duplicate-properties "ignore"
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"Do not use duplicate style definitions."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-empty-rules "warning"
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"Do not use empty rulesets."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-import-statement "ignore"
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"Import statements do not load in parallel."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-box-model "ignore"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-universal-selector "ignore"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-zero-units "ignore"
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"No unit for zero needed."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-font-face-properties "warning"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-hex-color-length "error"
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"Hex colors must consist of three or six hex numbers."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-arguments-in-color-function "error"
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"Invalid number of parameters."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-unknown-properties "warning"
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"Unknown property."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-valid-properties nil
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"A list of properties that are not validated against the
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`unknownProperties` rule."
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:type '(repeat string))
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(defcustom lsp-css-lint-ie-hack "ignore"
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"IE hacks are only necessary when supporting IE7 and older."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-unknown-vendor-specific-properties "ignore"
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"Unknown vendor specific property."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-property-ignored-due-to-display "warning"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-important "ignore"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-float "ignore"
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nil
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-id-selector "ignore"
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"Selectors should not contain IDs because these rules are too
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tightly coupled with the HTML."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-lint-unknown-at-rules "warning"
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"Unknown at-rule."
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:type '(choice
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(const "ignore")
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(const "warning")
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(const "error")))
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(defcustom lsp-css-trace-server "off"
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"Traces the communication between VS Code and the CSS language
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server."
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:type '(choice
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(const "off")
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(const "messages")
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(const "verbose")))
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(lsp-register-custom-settings
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'(("css.trace.server" lsp-css-trace-server)
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("css.lint.unknownAtRules" lsp-css-lint-unknown-at-rules)
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("css.lint.idSelector" lsp-css-lint-id-selector)
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("css.lint.float" lsp-css-lint-float)
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("css.lint.important" lsp-css-lint-important)
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("css.lint.propertyIgnoredDueToDisplay" lsp-css-lint-property-ignored-due-to-display)
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("css.lint.unknownVendorSpecificProperties" lsp-css-lint-unknown-vendor-specific-properties)
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("css.lint.ieHack" lsp-css-lint-ie-hack)
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("css.lint.validProperties" lsp-css-lint-valid-properties)
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("css.lint.unknownProperties" lsp-css-lint-unknown-properties)
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("css.lint.argumentsInColorFunction" lsp-css-lint-arguments-in-color-function)
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("css.lint.hexColorLength" lsp-css-lint-hex-color-length)
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("css.lint.fontFaceProperties" lsp-css-lint-font-face-properties)
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("css.lint.zeroUnits" lsp-css-lint-zero-units)
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("css.lint.universalSelector" lsp-css-lint-universal-selector)
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("css.lint.boxModel" lsp-css-lint-box-model)
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("css.lint.importStatement" lsp-css-lint-import-statement)
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("css.lint.emptyRules" lsp-css-lint-empty-rules)
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("css.lint.duplicateProperties" lsp-css-lint-duplicate-properties)
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("css.lint.vendorPrefix" lsp-css-lint-vendor-prefix)
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("css.lint.compatibleVendorPrefixes" lsp-css-lint-compatible-vendor-prefixes)
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("css.validate" lsp-css-validate t)
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("css.completion.triggerPropertyValueCompletion" lsp-css-completion-trigger-property-value-completion t)
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("css.experimental.customData" lsp-css-experimental-custom-data)))
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(defun lsp-css--server-command ()
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"Generate startup command for CSS language server."
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(list (lsp-package-path 'css-languageserver) "--stdio"))
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;;; CSS
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(lsp-defun lsp-css--apply-code-action ((&Command :arguments?))
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"Apply ACTION as workspace edit command."
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(lsp--apply-text-edits (cl-caddr arguments?) 'code-action))
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(lsp-dependency 'css-languageserver
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'(:system "vscode-css-language-server")
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'(:npm :package "vscode-langservers-extracted"
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:path "vscode-css-language-server"))
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(lsp-register-client
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(make-lsp-client
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:new-connection (lsp-stdio-connection #'lsp-css--server-command)
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:activation-fn (lsp-activate-on "css" "scss" "sass" "less")
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:priority -1
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:action-handlers (lsp-ht ("_css.applyCodeAction" #'lsp-css--apply-code-action))
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:server-id 'css-ls
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:download-server-fn (lambda (_client callback error-callback _update?)
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(lsp-package-ensure 'css-languageserver callback error-callback))))
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(lsp-consistency-check lsp-css)
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(provide 'lsp-css)
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;;; lsp-css.el ends here
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