validators.js

"use strict";

// These validator functions answer the question “Is the config valid?” – return
// `false` if the options DO conflict with Prettier, and `true` if they don’t.

module.exports = {
  "curly"({ options }) {
    if (options.length === 0) {
      return true;
    }

    const firstOption = options[0];
    return firstOption !== "multi-line" && firstOption !== "multi-or-nest";
  },

  "lines-around-comment"({ options }) {
    if (options.length === 0) {
      return false;
    }

    const firstOption = options[0];
    return Boolean(
      firstOption &&
      firstOption.allowBlockStart &&
      firstOption.allowBlockEnd &&
      firstOption.allowObjectStart &&
      firstOption.allowObjectEnd &&
      firstOption.allowArrayStart &&
      firstOption.allowArrayEnd
    );
  },

  "no-confusing-arrow"({ options }) {
    if (options.length === 0) {
      return false;
    }

    const firstOption = options[0];
    return firstOption ? firstOption.allowParens === false : false;
  },

  "no-tabs"({ options }) {
    if (options.length === 0) {
      return false;
    }

    const firstOption = options[0];
    return Boolean(firstOption && firstOption.allowIndentationTabs);
  },

  "unicorn/template-indent"({ options }) {
    if (options.length === 0) {
      return false;
    }

    const { comments = [], tags = [] } = options[0] || {};

    return (
      Array.isArray(comments) &&
      Array.isArray(tags) &&
      !(
        comments.includes("GraphQL") ||
        comments.includes("HTML") ||
        tags.includes("css") ||
        tags.includes("graphql") ||
        tags.includes("gql") ||
        tags.includes("html") ||
        tags.includes("markdown") ||
        tags.includes("md")
      )
    );
  },

  "vue/html-self-closing"({ options }) {
    if (options.length === 0) {
      return false;
    }

    const firstOption = options[0];
    return Boolean(
      firstOption && firstOption.html && firstOption.html.void === "any"
      // Enable when Prettier supports SVG: https://github.com/prettier/prettier/issues/5322
      // && firstOption.svg === "any"
    );
  },
};