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notes/node_modules/stylelint/lib/rules/unit-case/index.js
Patrick Marsceill b7b0d0d7bf
Initial commit
2017-03-09 13:16:08 -05:00

67 lines
1.8 KiB
JavaScript

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