| "use strict"; |
| |
| const _ = require("lodash"); |
| const declarationValueIndex = require("../../utils/declarationValueIndex"); |
| const getUnitFromValueNode = require("../../utils/getUnitFromValueNode"); |
| const matchesStringOrRegExp = require("../../utils/matchesStringOrRegExp"); |
| const postcss = require("postcss"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const valueParser = require("postcss-value-parser"); |
| |
| const ruleName = "declaration-property-unit-blacklist"; |
| |
| const messages = ruleMessages(ruleName, { |
| rejected: (property, unit) => |
| `Unexpected unit "${unit}" for property "${property}"` |
| }); |
| |
| const rule = function(blacklist) { |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: blacklist, |
| possible: [_.isObject] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkDecls(decl => { |
| const prop = decl.prop; |
| const value = decl.value; |
| |
| const unprefixedProp = postcss.vendor.unprefixed(prop); |
| |
| const propBlacklist = _.find(blacklist, (list, propIdentifier) => |
| matchesStringOrRegExp(unprefixedProp, propIdentifier) |
| ); |
| |
| if (!propBlacklist) { |
| return; |
| } |
| |
| valueParser(value).walk(function(node) { |
| // Ignore wrong units within `url` function |
| if (node.type === "function" && node.value.toLowerCase() === "url") { |
| return false; |
| } |
| |
| if (node.type === "string") { |
| return; |
| } |
| |
| const unit = getUnitFromValueNode(node); |
| |
| if ( |
| !unit || |
| (unit && propBlacklist.indexOf(unit.toLowerCase()) === -1) |
| ) { |
| return; |
| } |
| |
| report({ |
| message: messages.rejected(prop, unit), |
| node: decl, |
| index: declarationValueIndex(decl) + node.sourceIndex, |
| result, |
| ruleName |
| }); |
| }); |
| }); |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |