node_modules/stylelint/lib/rules/color-no-invalid-hex/index.js

"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 === "function" && value.endsWith("url")) return false;

        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;