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index.js
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index.js
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"use strict";
const declarationValueIndex = require("../../utils/declarationValueIndex");
const isValidHex = require("../../utils/isValidHex");
const report = require("../../utils/report");
const ruleMessages = require("../../utils/ruleMessages");
const validateOptions = require("../../utils/validateOptions");
const valueParser = require("postcss-value-parser");
const ruleName = "color-no-invalid-hex";
const messages = ruleMessages(ruleName, {
rejected: hex => `Unexpected invalid hex color "${hex}"`
});
const rule = function(actual) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, { actual });
if (!validOptions) {
return;
}
root.walkDecls(decl => {
valueParser(decl.value).walk(({ value, type, sourceIndex }) => {
if (type !== "word") return;
const hexMatch = /^#[0-9A-Za-z]+/.exec(value);
if (!hexMatch) return;
const hexValue = hexMatch[0];
if (isValidHex(hexValue)) return;
report({
message: messages.rejected(hexValue),
node: decl,
index: declarationValueIndex(decl) + sourceIndex,
result,
ruleName
});
});
});
};
};
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;