.eslintrc.json

## .eslintrc.json
{
  "settings": {
    "_version": "Stolley Browser Config, v. 2.0.2, 20180811",
    "_eslint_version": "4.19.1",
    "_rules_url": "https://eslint.org/docs/rules/",
    "_repo_url": "https://github.com/karlstolley/eslint-config"
  },
  "parserOptions": {
    "ecmaVersion": 5
  },
  "root": true,
  "env": {
    "browser": true
  },
  "extends": "eslint:recommended",
  "rules": {
    "no-console": "off",
    "no-template-curly-in-string": "error",
    "block-scoped-var": "warn",
    "curly": ["warn", "all"],
    "dot-location": ["warn", "property"],
    "dot-notation": "warn",
    "eqeqeq": ["warn", "always"],
    "no-multi-spaces": ["warn", { "ignoreEOLComments": true, "exceptions": { "Property": true } }],
    "no-sequences": "error",
    "require-await": "error",
    "vars-on-top": "error",
    "yoda": "error",
    "strict": ["error", "global"],
    "no-undefined": "error",
    "comma-dangle": ["warn", "never"],
    "comma-spacing": ["warn", { "before": false, "after": true }],
    "func-call-spacing": "warn",
    "indent": ["warn", 2],
    "linebreak-style": ["error", "unix"],
    "multiline-comment-style": ["warn", "separate-lines"],
    "newline-per-chained-call": ["warn", { "ignoreChainWithDepth": 2 }],
    "spaced-comment": ["warn", "always"],
    "semi": ["warn", "always"],
    "semi-spacing": ["warn", {"before": false, "after": true}]
  }
}

## .htmllintrc
{
    // Stolley House Config, v. 1.2.0, 20190107

    // names of npm modules to load into htmllint
    "plugins": [],

    // Configuration options:
    "attr-bans": ["align", "background", "bgcolor", "border", "frameborder", "longdesc", "marginwidth", "marginheight", "scrolling", "style", "target", "width", "height", "onload", "onclick"], // ban deprecated/obsolete attributes
    "attr-name-style": "dash", // allow hyphens/dashes in attributes, e.g., for data- attributes
    "attr-no-dup": true, // no duplicate attributes
    "attr-validate": true, // well-formed attribute style
    "class-no-dup": true, // no duplicate classes on same element
    "doctype-first": true, // <!DOCTYPE html> must be first line
    "fig-req-figcaption": true, // require <figcaption>
    "html-req-lang": true, // <html> tag must have lang attribute
    "head-req-title": true, // All documents must have <title>
    "head-valid-content-model": true, // Only valid <head> children
    "id-class-style": "dash", // allow hyphens/dashes in attribute values, e.g., week-one
    "id-no-dup": true, // no duplicate IDs anywhere on page
    "img-req-alt": true, // All <img> tags must have non-empty alt attribute
    "indent-style": "spaces",  // use spaces to indent
    "indent-width": 2, // use two spaces, to be precise
    "input-req-label": true, // All <input> tags must have a <label> tag
    "label-req-for": true, // All <label> tags must have a for attribute
    "line-end-style": "lf", // Unix-style LF line-endings
    "spec-char-escape": true, // XML special characters (<,>,&,etc.) must be escaped
    "tag-bans": ["br", "button", "div", "hr", "iframe", "style"],
    "tag-close": true, // tags that open must close
    "tag-name-lowercase": true, // only lowercase for tag names
    "tag-name-match": true, // tag names must match, in both name and case
    "tag-self-close": "always" // tags like <meta> must self-close: <meta />
}

## .stylelintrc
{

  # Stolley House Config, v. 1.2.0, 20181009

  "rules": {
    "at-rule-name-case": "lower",
    "at-rule-name-space-after": "always",
    "at-rule-semicolon-newline-after": "always",
    "block-closing-brace-newline-before": "always-multi-line",
    "block-closing-brace-space-before": "always-single-line",
    "block-no-empty": true,
    "block-opening-brace-newline-after": "always-multi-line",
    "block-opening-brace-space-after": "always-single-line",
    "block-opening-brace-space-before": "always",
    "declaration-block-no-duplicate-properties": true,
    "declaration-block-semicolon-newline-after": "always-multi-line",
    "declaration-block-semicolon-space-after": "always-single-line",
    "declaration-block-single-line-max-declarations": 1,
    "declaration-block-trailing-semicolon": "always",
    "declaration-colon-space-after": "always",
    "declaration-colon-space-before": "never",
    "declaration-no-important": true,
    "font-family-name-quotes": "always-where-recommended",
    "indentation": 2,
    "length-zero-no-unit": true,
    "media-feature-colon-space-after": "always",
    "media-feature-colon-space-before": "never",
    "media-feature-name-case": "lower",
    "no-descending-specificity": [true, {"severity": "warning"}],
    "no-duplicate-selectors": true,
    "no-eol-whitespace": true,
    "no-invalid-double-slash-comments": true,
    "no-missing-end-of-source-newline": true,
    "number-leading-zero": "always",
    "number-no-trailing-zeros": true,
    "property-case": "lower",
    "selector-attribute-brackets-space-inside": "never",
    "selector-attribute-quotes": "always",
    "selector-combinator-space-after": "always",
    "selector-combinator-space-before": "always",
    "selector-list-comma-newline-after": "always-multi-line",
    "selector-list-comma-space-after": "always-single-line",
    "selector-pseudo-class-case": "lower",
    "selector-type-case": "lower",
    "string-quotes": "double",
    "unit-blacklist": [["px", "pt", "in", "cm", "mm"], {"ignoreProperties": {"px": ["/^border/"]}, "ignoreMediaFeatureNames": { "px": ["min-width"]}}],
    "unit-case": "lower",
    "unit-no-unknown": true,
    "value-keyword-case": "lower",
    "value-list-comma-space-after": "always"
  }
}