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67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
"use strict"
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const atRuleParamIndex = require("../../utils/atRuleParamIndex")
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const declarationValueIndex = require("../../utils/declarationValueIndex")
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const getUnitFromValueNode = require("../../utils/getUnitFromValueNode")
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const report = require("../../utils/report")
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const ruleMessages = require("../../utils/ruleMessages")
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const validateOptions = require("../../utils/validateOptions")
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const valueParser = require("postcss-value-parser")
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const ruleName = "unit-case"
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const messages = ruleMessages(ruleName, {
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expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
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})
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const rule = function (expectation) {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, {
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actual: expectation,
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possible: [
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"lower",
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"upper",
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],
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})
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if (!validOptions) {
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return
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}
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function check(node, value, getIndex) {
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valueParser(value).walk(valueNode => {
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// Ignore wrong units within `url` function
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if (valueNode.type === "function" && valueNode.value.toLowerCase() === "url") {
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return false
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}
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const unit = getUnitFromValueNode(valueNode)
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if (!unit) {
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return
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}
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const expectedUnit = expectation === "lower" ? unit.toLowerCase() : unit.toUpperCase()
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if (unit === expectedUnit) {
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return
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}
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report({
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index: getIndex(node) + valueNode.sourceIndex,
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message: messages.expected(unit, expectedUnit),
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node,
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result,
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ruleName,
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})
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})
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}
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root.walkAtRules(/^media$/i, atRule => check(atRule, atRule.params, atRuleParamIndex))
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root.walkDecls(decl => check(decl, decl.value, declarationValueIndex))
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}
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}
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rule.ruleName = ruleName
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rule.messages = messages
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module.exports = rule
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