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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env node */
+
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+
+function readFile(path) {
+ return fs
+ .readFileSync(path, { encoding: "utf-8" })
+ .split("\n")
+ .filter(p => p && !p.startsWith("#"));
+}
+
+const ignoreFiles = [
+ ...readFile(
+ path.join(__dirname, "tools", "rewriting", "ThirdPartyPaths.txt")
+ ),
+ ...readFile(path.join(__dirname, "tools", "rewriting", "Generated.txt")),
+];
+
+module.exports = {
+ extends: ["stylelint-config-recommended"],
+ ignoreFiles,
+ rules: {
+ /* Disabled because of `-moz-element(#foo)` which gets misparsed. */
+ "color-no-invalid-hex": null,
+ "font-family-no-missing-generic-family-keyword": [
+ true,
+ {
+ ignoreFontFamilies: [
+ "-moz-button",
+ "-moz-field",
+ "-moz-fixed",
+ "-moz-list",
+ "caption",
+ ],
+ },
+ ],
+
+ "function-no-unknown": [
+ true,
+ {
+ ignoreFunctions: [
+ "-moz-image-rect" /* Used for cropping images */,
+ "add" /* Used in mathml.css */,
+ ],
+ },
+ ],
+
+ "no-descending-specificity": null,
+ "no-duplicate-selectors": null,
+
+ "property-no-unknown": [
+ true,
+ {
+ ignoreProperties: ["overflow-clip-box"],
+ },
+ ],
+
+ /*
+ * XXXgijs: we would like to enable this, but we can't right now.
+ * This is because Gecko uses a number of custom pseudoclasses,
+ * and stylelint assumes that for `:unknown-pseudoclass(foo)`,
+ * `foo` should be a known type.
+ * This is tedious but workable for things like `-moz-locale-dir` where
+ * the set of acceptable values (ltr/rtl) is small.
+ * However, for tree cells, the set of values is unlimited (ie
+ * user-defined, based on atoms sent by the JS tree view APIs).
+ * There does not appear to be a way to exempt the contents of these
+ * unknown pseudoclasses, and as a result, this rule is not
+ * usable for us. The 'type' only includes the contents of the
+ * pseudoclass, not the pseudo itself, so we can't filter based on the
+ * pseudoclass either.
+ * Ideally, we would either create an option to the builtin rule
+ * in stylelint itself, or mimic the rule but exempt these, or
+ * add parser support for our custom pseudoclasses.
+ *
+ * For now, we just disable this rule.
+ */
+ "selector-type-no-unknown": null,
+ /*
+ * See above - if we enabled this rule, we'd have to allow for a number
+ * of custom elements we use, which are listed here:
+ "selector-type-no-unknown": [
+ true,
+ {
+ ignore: ["custom-elements"],
+ ignoreTypes: [
+ // Modern custom element / storybooked components:
+ /^moz-/,
+ // moz-locale-dir trips this rule for some reason:
+ "rtl",
+ "ltr",
+ // Migrated XBL elements not part of core XUL that we use at the moment:
+ "findbar",
+ "panelmultiview",
+ "panelview",
+ "popupnotification",
+ "popupnotificationcontent",
+ // Legacy XUL elements:
+ // (the commented out ones used to be a thing and aren't used in-tree anymore)
+ "arrowscrollbox",
+ "box",
+ // "broadcaster",
+ // "broadcasterset",
+ "button",
+ "browser",
+ "checkbox",
+ "caption",
+ // clicktoscroll
+ // colorpicker
+ // column
+ // columns
+ "commandset",
+ "command",
+ // conditions
+ // content
+ // datepicker
+ "deck",
+ "description",
+ "dialog",
+ // dialogheader
+ "dropmarker",
+ "editor",
+ // grid
+ // grippy
+ "groupbox",
+ "hbox",
+ // iframe
+ // image
+ "key",
+ "keyset",
+ // label
+ "listbox",
+ // listcell
+ // listcol
+ // listcols
+ // listhead
+ // listheader
+ "listitem",
+ // member
+ "menu",
+ "menubar",
+ "menucaption",
+ "menuitem",
+ "menulist",
+ "menupopup",
+ "menuseparator",
+ "notification",
+ "notificationbox",
+ "observes",
+ // overlay
+ // page
+ "panel",
+ // param
+ "popupset",
+ // preference
+ // preferences
+ // prefpane
+ // prefwindow
+ // progressmeter
+ // query
+ // queryset
+ "radio",
+ "radiogroup",
+ // resizer
+ "richlistbox",
+ "richlistitem",
+ // row
+ // rows
+ // rule
+ // scale
+ // script
+ "scrollbar",
+ "scrollbox",
+ "scrollcorner",
+ "separator",
+ "spacer",
+ // spinbuttons
+ "splitter",
+ "stack",
+ // statusbar
+ // statusbarpanel
+ "stringbundle",
+ "stringbundleset",
+ "tab",
+ "tabbox",
+ "tabpanel",
+ "tabpanels",
+ "tabs",
+ // template
+ // textnode
+ "textbox",
+ // timepicker
+ "titlebar",
+ "toolbar",
+ "toolbarbutton",
+ // toolbargrippy
+ "toolbaritem",
+ "toolbarpalette",
+ "toolbarpaletteitem",
+ "toolbarseparator",
+ "toolbarset",
+ "toolbarspacer",
+ "toolbarspring",
+ "toolbartabstop",
+ "toolbox",
+ "tooltip",
+ "tree",
+ "treecell",
+ "treechildren",
+ "treecol",
+ "treecols",
+ "treeitem",
+ "treerow",
+ "treeseparator",
+ // triple
+ "vbox",
+ // where
+ "window",
+ "wizard",
+ "wizardpage",
+ ],
+ },
+ ],
+ */
+
+ "selector-pseudo-class-no-unknown": [
+ true,
+ {
+ ignorePseudoClasses: ["popover-open"],
+ },
+ ],
+ },
+
+ overrides: [
+ {
+ files: "*.scss",
+ customSyntax: "postcss-scss",
+ extends: "stylelint-config-recommended-scss",
+ },
+ {
+ files: "browser/components/newtab/**",
+ customSyntax: "postcss-scss",
+ defaultSeverity: "warning",
+ extends: "stylelint-config-standard-scss",
+ rules: {
+ "at-rule-disallowed-list": [
+ ["debug", "warn", "error"],
+ {
+ message: "Clean up %s directives before committing",
+ },
+ ],
+ "at-rule-no-vendor-prefix": null,
+ "color-function-notation": null,
+ "color-hex-case": "upper",
+ "comment-empty-line-before": [
+ "always",
+ {
+ except: ["first-nested"],
+ ignore: ["after-comment", "stylelint-commands"],
+ },
+ ],
+ "custom-property-empty-line-before": null,
+ "custom-property-pattern": null,
+ "declaration-block-no-duplicate-properties": [
+ true,
+ {
+ severity: "error",
+ },
+ ],
+ "declaration-block-no-redundant-longhand-properties": null,
+ "declaration-no-important": [
+ true,
+ {
+ severity: "error",
+ },
+ ],
+ "function-url-no-scheme-relative": [
+ true,
+ {
+ severity: "error",
+ },
+ ],
+ indentation: 2,
+ "keyframes-name-pattern": null,
+ "max-nesting-depth": [
+ 8,
+ {
+ ignore: ["blockless-at-rules", "pseudo-classes"],
+ severity: "error",
+ },
+ ],
+ "media-feature-name-no-vendor-prefix": null,
+ "no-descending-specificity": null,
+ "no-eol-whitespace": true,
+ "no-missing-end-of-source-newline": true,
+ "number-leading-zero": "always",
+ "number-no-trailing-zeros": true,
+ "property-disallowed-list": [
+ ["margin-left", "margin-right"],
+ {
+ message: "Use margin-inline instead of %s",
+ severity: "error",
+ },
+ ],
+ "property-no-unknown": [
+ true,
+ {
+ severity: "error",
+ },
+ ],
+ "property-no-vendor-prefix": null,
+ "scss/dollar-variable-empty-line-before": null,
+ "scss/double-slash-comment-empty-line-before": [
+ "always",
+ {
+ except: ["first-nested"],
+ ignore: ["between-comments", "stylelint-commands", "inside-block"],
+ },
+ ],
+ "selector-class-pattern": null,
+ "selector-no-vendor-prefix": null,
+ "string-quotes": [
+ "single",
+ {
+ avoidEscape: true,
+ severity: "error",
+ },
+ ],
+ "value-keyword-case": null,
+ "value-no-vendor-prefix": null,
+ },
+ },
+ ],
+};