diff --git a/.eslintrc.js b/.eslintrc.js
index 64f044c5..2a804dba 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -31,8 +31,6 @@ module.exports = {
         'no-restricted-syntax': 0,
         // jsdoc rules
         'jsdoc/check-tag-names': ['error', { definedTags: ['scriptlet', 'trustedScriptlet', 'redirect'] }],
-        'jsdoc/require-returns-description': 0,
-        'jsdoc/newline-after-description': 0,
         'jsdoc/require-param': 0,
         'jsdoc/tag-lines': 0,
         'jsdoc/require-jsdoc': 0,
@@ -42,6 +40,8 @@ module.exports = {
         // jsdoc problematics
         'jsdoc/valid-types': 0,
         'jsdoc/no-undefined-types': 0,
+        // jsdoc questionable
+        'jsdoc/require-returns-description': 0,
     },
     overrides: [
         {
diff --git a/scripts/build-compatibility-table.js b/scripts/build-compatibility-table.js
index 72c70163..f3605252 100644
--- a/scripts/build-compatibility-table.js
+++ b/scripts/build-compatibility-table.js
@@ -77,6 +77,7 @@ const getTableHeader = () => {
 
 /**
  * Builds markdown string of scriptlets/redirect compatibility table
+ *
  * @param {string} title title for scriptlets or redirects
  * @param {CompatibilityItem[]} data array of scriptlets or redirects compatibility data items
  * @param {'scriptlets'|'redirects'} id
diff --git a/scripts/build-redirects.js b/scripts/build-redirects.js
index dee2abc6..ab294146 100644
--- a/scripts/build-redirects.js
+++ b/scripts/build-redirects.js
@@ -143,6 +143,7 @@ const getJsRedirects = async (options = {}) => {
     // TODO: seems like duplicate of already existed code
     /**
      * Returns first line of describing comment from redirect resource file
+     *
      * @param {string} rrName redirect resource name
      */
     const getComment = (rrName) => {
diff --git a/scripts/build-tests.js b/scripts/build-tests.js
index d75871f9..bc6ba8fe 100644
--- a/scripts/build-tests.js
+++ b/scripts/build-tests.js
@@ -14,6 +14,7 @@ const TEST_FILE_NAME_MARKER = '.test.js';
 
 /**
  * Prepares rollup config for test file
+ *
  * @param {string} fileName test file name
  * @param {string} dirPath resolved directory path
  * @param {string} subDir subdirectory with test files
diff --git a/scripts/check-sources-updates.js b/scripts/check-sources-updates.js
index 99fe8940..4074872d 100644
--- a/scripts/check-sources-updates.js
+++ b/scripts/check-sources-updates.js
@@ -14,6 +14,7 @@ const {
 
 /**
  * Checks if arrays contain the same strings
+ *
  * @param {Array} arr1
  * @param {Array} arr2
  */
@@ -39,6 +40,7 @@ const getCompatibilityTable = () => {
 
 /**
  * Returns list of scriptlets listed in table for specified platform
+ *
  * @param {"ubo"|"abp"} platform
  */
 const getScriptletsFromTable = (platform) => {
@@ -48,6 +50,7 @@ const getScriptletsFromTable = (platform) => {
 
 /**
  * Returns list of redirects listed in table for specified platform
+ *
  * @param {"ubo"|"abp"} platform
  */
 const getRedirectsFromTable = (platform) => {
@@ -57,6 +60,7 @@ const getRedirectsFromTable = (platform) => {
 
 /**
  * Finds a difference between old and new array
+ *
  * @param {Array} oldList
  * @param {Array} newList
  */
@@ -77,6 +81,7 @@ const getDiff = (oldList, newList) => {
 
 /**
  * Marks removed rules with (removed) and adds new rules to the end of the table
+ *
  * @param {{removed: Array, added: Array}} diff Object with diffs for certain type and platform
  * @param {"scriptlets"|"redirects"} ruleType
  * @param {"ubo"|"abp"} platform
diff --git a/scripts/helpers.js b/scripts/helpers.js
index d4a01c56..9549d374 100644
--- a/scripts/helpers.js
+++ b/scripts/helpers.js
@@ -21,6 +21,7 @@ const writeFile = async (filePath, content) => {
 
 /**
  * Gets list of `.js` files in directory
+ *
  * @param {string} relativeDirPath relative path to directory
  * @returns {string[]} array of file names
  */
@@ -108,6 +109,7 @@ const prepareCommentsData = (commentTags, source) => {
 
 /**
  * Gets data objects which describe every required comment in one directory
+ *
  * @param {string[]} filesList list of files in directory
  * @param {string} relativeDirPath relative path to directory
  *
diff --git a/scripts/rollup-runners.js b/scripts/rollup-runners.js
index 776e2f6c..61e4d976 100644
--- a/scripts/rollup-runners.js
+++ b/scripts/rollup-runners.js
@@ -5,6 +5,7 @@ const { log } = console;
 
 /**
  * Builds scriptlets
+ *
  * @param {object|object[]} config config may be list of configs or one config
  */
 export const rollupStandard = async (config) => {
@@ -26,6 +27,7 @@ export const rollupStandard = async (config) => {
 
 /**
  * Builds scriptlets in the watch mode
+ *
  * @param {object|object[]} config - config may be list of configs or one config
  */
 export const rollupWatch = (config) => {
diff --git a/src/helpers/add-event-listener-utils.js b/src/helpers/add-event-listener-utils.js
index c579dca5..51f93ea6 100644
--- a/src/helpers/add-event-listener-utils.js
+++ b/src/helpers/add-event-listener-utils.js
@@ -1,5 +1,6 @@
 /**
  * Validates event type
+ *
  * @param {*} type
  * @returns {boolean}
  */
@@ -10,6 +11,7 @@ export const validateType = (type) => {
 
 /**
  * Validates event listener
+ *
  * @param {*} listener
  * @returns {boolean}
  */
@@ -26,6 +28,7 @@ export const validateListener = (listener) => {
 /**
  * Serialize valid event listener
  * https://developer.mozilla.org/en-US/docs/Web/API/EventListener
+ *
  * @param {EventListener} listener valid listener
  * @returns {string}
  */
diff --git a/src/helpers/adjust-set-utils.js b/src/helpers/adjust-set-utils.js
index 791b7b1e..39e35dc1 100644
--- a/src/helpers/adjust-set-utils.js
+++ b/src/helpers/adjust-set-utils.js
@@ -4,6 +4,7 @@ export const shouldMatchAnyDelay = (delay) => delay === '*';
 
 /**
  * Handles input delay value
+ *
  * @param {*} delay
  * @returns {number} proper number delay value
  */
@@ -18,6 +19,7 @@ export const getMatchDelay = (delay) => {
 
 /**
  * Checks delay match condition
+ *
  * @param {*} inputDelay
  * @param {number} realDelay
  * @returns {boolean}
@@ -29,6 +31,7 @@ export const isDelayMatched = (inputDelay, realDelay) => {
 
 /**
  * Handles input boost value
+ *
  * @param {*} boost
  * @returns {number} proper number boost multiplier value
  */
diff --git a/src/helpers/array-utils.js b/src/helpers/array-utils.js
index 371e4266..33a37fe3 100644
--- a/src/helpers/array-utils.js
+++ b/src/helpers/array-utils.js
@@ -2,6 +2,7 @@
  * Some browsers do not support Array.prototype.flat()
  * for example, Opera 42 which is used for browserstack tests
  * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat
+ *
  * @param {Array} input
  */
 export const flatten = (input) => {
@@ -24,6 +25,7 @@ export const flatten = (input) => {
 
 /**
  * Predicate method to check if the array item exists
+ *
  * @param {any} item
  * @returns {boolean}
  */
diff --git a/src/helpers/converter.js b/src/helpers/converter.js
index ba0dc899..940c360e 100644
--- a/src/helpers/converter.js
+++ b/src/helpers/converter.js
@@ -66,6 +66,7 @@ const REMOVE_ATTR_CLASS_APPLYING = ['asap', 'stay', 'complete'];
 
 /**
  * Returns array of strings separated by space which not in quotes
+ *
  * @param {string} str
  */
 const getSentences = (str) => {
@@ -75,6 +76,7 @@ const getSentences = (str) => {
 
 /**
  * Replaces string with data by placeholders
+ *
  * @param {string} str
  * @param {object} data - where keys are placeholders names
  */
@@ -104,6 +106,7 @@ const splitArgs = (str) => {
 
 /**
  * Validates remove-attr/class scriptlet args
+ *
  * @param {string[]} parsedArgs
  * @returns {string[]|Error} valid args OR error for invalid selector
  */
@@ -147,6 +150,7 @@ const validateRemoveAttrClassArgs = (parsedArgs) => {
 
 /**
  * Converts string of UBO scriptlet rule to AdGuard scriptlet rule
+ *
  * @param {string} rule - UBO scriptlet rule
  * @returns {string[]} - array with one AdGuard scriptlet rule
  */
@@ -193,6 +197,7 @@ export const convertUboScriptletToAdg = (rule) => {
 
 /**
  * Convert string of ABP snippet rule to AdGuard scriptlet rule
+ *
  * @param {string} rule - ABP snippet rule
  * @returns {Array} - array of AdGuard scriptlet rules -
  * one or few items depends on Abp-rule
@@ -221,6 +226,7 @@ export const convertAbpSnippetToAdg = (rule) => {
 
 /**
  * Converts scriptlet rule to AdGuard one
+ *
  * @param {string} rule
  * @returns {Array} - array of AdGuard scriptlet rules -
  * one item for Adg and Ubo or few items for Abp
@@ -240,6 +246,7 @@ export const convertScriptletToAdg = (rule) => {
 
 /**
  * Converts UBO scriptlet rule to AdGuard one
+ *
  * @param {string} rule - AdGuard scriptlet rule
  * @returns {string} - UBO scriptlet rule
  */
@@ -328,6 +335,7 @@ export const convertAdgScriptletToUbo = (rule) => {
 
 /**
  * Checks whether the ADG scriptlet exists or UBO/ABP scriptlet is compatible to ADG
+ *
  * @param {string} input - can be ADG or UBO or ABP scriptlet rule
  * @returns {boolean}
  */
@@ -350,6 +358,7 @@ export const isValidScriptletRule = (input) => {
 
 /**
  * Gets index and redirect resource marker from UBO/ADG modifiers array
+ *
  * @param {string[]} modifiers
  * @param {object} redirectsData validator.REDIRECT_RULE_TYPES.(UBO|ADG)
  * @param {string} rule
@@ -373,6 +382,7 @@ const getMarkerData = (modifiers, redirectsData, rule) => {
 
 /**
  * Converts Ubo redirect rule to Adg one
+ *
  * @param {string} rule
  * @returns {string}
  */
@@ -403,6 +413,7 @@ export const convertUboRedirectToAdg = (rule) => {
 
 /**
  * Converts Abp redirect rule to Adg one
+ *
  * @param {string} rule
  * @returns {string}
  */
@@ -428,6 +439,7 @@ export const convertAbpRedirectToAdg = (rule) => {
 
 /**
  * Converts redirect rule to AdGuard one
+ *
  * @param {string} rule
  * @returns {string}
  */
@@ -452,6 +464,7 @@ export const convertRedirectToAdg = (rule) => {
  *    Source types are chosen according to redirect name
  *    e.g. ||ad.com^$redirect=<name>,important  ->>  ||ad.com^$redirect=<name>,important,script
  * 3. Replaces Adg redirect name by Ubo analog
+ *
  * @param {string} rule
  * @returns {string}
  */
diff --git a/src/helpers/cookie-utils.js b/src/helpers/cookie-utils.js
index 4ea3dd14..338a4ec1 100644
--- a/src/helpers/cookie-utils.js
+++ b/src/helpers/cookie-utils.js
@@ -94,6 +94,7 @@ export const getLimitedCookieValue = (value) => {
 
 /**
  * Parses cookie string into object
+ *
  * @param {string} cookieString string that conforms to document.cookie format
  * @returns {object} key:value object that corresponds with incoming cookies keys and values
  */
@@ -124,6 +125,7 @@ export const parseCookieString = (cookieString) => {
 
 /**
  * Check if cookie with specified name and value is present in a cookie string
+ *
  * @param {string} cookieString
  * @param {string} name
  * @param {string} value
diff --git a/src/helpers/create-on-error-handler.js b/src/helpers/create-on-error-handler.js
index f298d2ce..50118461 100644
--- a/src/helpers/create-on-error-handler.js
+++ b/src/helpers/create-on-error-handler.js
@@ -1,6 +1,7 @@
 /**
  * Generates function which silents global errors on page generated by scriptlet
  * If error doesn't belong to our error we transfer it to the native onError handler
+ *
  * @param {string} rid - unique identifier of scriptlet
  * @returns {onError}
  */
diff --git a/src/helpers/hit.js b/src/helpers/hit.js
index 810216ef..2c766c34 100644
--- a/src/helpers/hit.js
+++ b/src/helpers/hit.js
@@ -1,6 +1,7 @@
 /* eslint-disable no-console, no-underscore-dangle */
 /**
  * Hit used only for debug purposes now
+ *
  * @param {Source} source
  * use LOG_MARKER = 'log: ' at the start of a message
  * for logging scriptlets
diff --git a/src/helpers/injector.js b/src/helpers/injector.js
index d90bfd6c..742f0267 100644
--- a/src/helpers/injector.js
+++ b/src/helpers/injector.js
@@ -1,5 +1,6 @@
 /**
  * Concat dependencies to scriptlet code
+ *
  * @param {string} scriptlet string view of scriptlet
  */
 export function attachDependencies(scriptlet) {
@@ -11,6 +12,7 @@ export function attachDependencies(scriptlet) {
 
 /**
  * Add scriptlet call to existing code
+ *
  * @param {Function} scriptlet
  * @param {string} code
  */
@@ -64,6 +66,7 @@ export function passSourceAndProps(source, code, redirect = false) {
 
 /**
  * Wrap code in no name function
+ *
  * @param {string} code which must be wrapped
  */
 export function wrapInNonameFunc(code) {
diff --git a/src/helpers/log-message.js b/src/helpers/log-message.js
index 59504576..655fbb6a 100644
--- a/src/helpers/log-message.js
+++ b/src/helpers/log-message.js
@@ -7,6 +7,7 @@
  * Convention is to log messages by source.verbose if such log
  * is not a part of scriptlet's functionality, eg on invalid input,
  * and use 'forced' argument otherwise.
+ *
  * @param {Source} source required
  * @param {string} message required, message to log
  * @param {boolean} [forced=false] to log message unconditionally
diff --git a/src/helpers/match-request-props.js b/src/helpers/match-request-props.js
index cb582db3..54503490 100644
--- a/src/helpers/match-request-props.js
+++ b/src/helpers/match-request-props.js
@@ -13,6 +13,7 @@ import { logMessage } from './log-message';
  * Checks if given propsToMatch string matches with given request data
  * This is used by prevent-xhr, prevent-fetch, trusted-replace-xhr-response
  * and  trusted-replace-fetch-response scriptlets
+ *
  * @param {Source} source
  * @param {string} propsToMatch
  * @param {object} requestData object with standard properties of fetch/xhr like url, method etc
diff --git a/src/helpers/match-stack.js b/src/helpers/match-stack.js
index 457e0ce8..4be0ca81 100644
--- a/src/helpers/match-stack.js
+++ b/src/helpers/match-stack.js
@@ -5,6 +5,7 @@ import { getNativeRegexpTest } from './regexp-utils';
 /**
  * Checks if the stackTrace contains stackRegexp
  * https://github.com/AdguardTeam/Scriptlets/issues/82
+ *
  * @param {string|undefined} stackMatch - input stack value to match
  * @param {string} stackTrace - script error stack trace
  * @returns {boolean}
diff --git a/src/helpers/noop-utils.js b/src/helpers/noop-utils.js
index 2c997d47..4fc2c139 100644
--- a/src/helpers/noop-utils.js
+++ b/src/helpers/noop-utils.js
@@ -1,23 +1,27 @@
 /**
  * Noop function
+ *
  * @returns {undefined} undefined
  */
 export const noopFunc = () => { };
 
 /**
  * Function returns null
+ *
  * @returns {null} null
  */
 export const noopNull = () => null;
 
 /**
  * Function returns true
+ *
  * @returns {boolean} true
  */
 export const trueFunc = () => true;
 
 /**
  * Function returns false
+ *
  * @returns {boolean} false
  */
 export const falseFunc = () => false;
@@ -31,18 +35,21 @@ export function noopThis() {
 
 /**
  * Function returns empty string
+ *
  * @returns {string} empty string
  */
 export const noopStr = () => '';
 
 /**
  * Function returns empty array
+ *
  * @returns {Array} empty array
  */
 export const noopArray = () => [];
 
 /**
  * Function returns empty object
+ *
  * @returns {object} empty object
  */
 export const noopObject = () => ({});
@@ -54,6 +61,7 @@ export const noopPromiseReject = () => Promise.reject(); // eslint-disable-line
 
 /**
  * Returns Promise object that is resolved with specified props
+ *
  * @param {string} [responseBody='{}']
  * @param {string} [responseUrl='']
  * @param {string} [responseType='default']
diff --git a/src/helpers/number-utils.js b/src/helpers/number-utils.js
index 72b50db7..c008986f 100644
--- a/src/helpers/number-utils.js
+++ b/src/helpers/number-utils.js
@@ -1,6 +1,7 @@
 /**
  * Determines whether the passed value is NaN
  * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN
+ *
  * @param {*} num
  * @returns {boolean}
  */
@@ -13,6 +14,7 @@ export const nativeIsNaN = (num) => {
 /**
  * Determines whether the passed value is a finite number
  * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite
+ *
  * @param {*} num
  * @returns {boolean}
  */
@@ -24,6 +26,7 @@ export const nativeIsFinite = (num) => {
 
 /**
  * Parses string for a number, if possible, otherwise returns null.
+ *
  * @param {*} rawString
  * @returns {number|null}
  */
@@ -38,6 +41,7 @@ export const getNumberFromString = (rawString) => {
 /**
  * Generate a random integer between two values, inclusive
  * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random#getting_a_random_integer_between_two_values_inclusive
+ *
  * @param {number} min
  * @param {number} max
  * @returns {number}
diff --git a/src/helpers/object-utils.js b/src/helpers/object-utils.js
index a0e42a93..decba50a 100644
--- a/src/helpers/object-utils.js
+++ b/src/helpers/object-utils.js
@@ -2,6 +2,7 @@
  * Converts object to array of pairs.
  * Object.entries() polyfill because it is not supported by IE
  * https://caniuse.com/?search=Object.entries
+ *
  * @param {object} object
  * @returns {Array} array of pairs
  */
@@ -16,6 +17,7 @@ export const getObjectEntries = (object) => {
  * Converts array of pairs to object.
  * Object.fromEntries() polyfill because it is not supported by IE
  * https://caniuse.com/?search=Object.fromEntries
+ *
  * @param {Array} entries - array of pairs
  * @returns {object}
  */
@@ -32,6 +34,7 @@ export const getObjectFromEntries = (entries) => {
 
 /**
  * Checks whether the obj is an empty object
+ *
  * @param {object} obj
  * @returns {boolean}
  */
@@ -39,6 +42,7 @@ export const isEmptyObject = (obj) => Object.keys(obj).length === 0 && !obj.prot
 
 /**
  * Checks whether the obj is an empty object
+ *
  * @param {object} obj
  * @param {string} prop
  * @returns {object | null}
@@ -53,6 +57,7 @@ export const safeGetDescriptor = (obj, prop) => {
 
 /**
  * Set getter and setter to property if it's configurable
+ *
  * @param {object} object target object with property
  * @param {string} property property name
  * @param {PropertyDescriptor} descriptor contains getter and setter functions
diff --git a/src/helpers/observer.js b/src/helpers/observer.js
index a8f4d129..e3229fe2 100644
--- a/src/helpers/observer.js
+++ b/src/helpers/observer.js
@@ -2,6 +2,7 @@ import { throttle } from './throttle';
 
 /**
  * DOM tree changes observer. Used for 'remove-attr' and 'remove-class' scriptlets
+ *
  * @param {Function} callback
  * @param {boolean} observeAttrs - optional parameter - should observer check attributes changes
  */
diff --git a/src/helpers/open-shadow-dom-utils.js b/src/helpers/open-shadow-dom-utils.js
index 0760c70f..3a5f314c 100644
--- a/src/helpers/open-shadow-dom-utils.js
+++ b/src/helpers/open-shadow-dom-utils.js
@@ -2,6 +2,7 @@ import { flatten } from './array-utils';
 
 /**
  * Finds shadow-dom host (elements with shadowRoot property) in DOM of rootElement.
+ *
  * @param {HTMLElement} rootElement
  * @returns {HTMLElement[]} shadow-dom hosts
  */
@@ -37,6 +38,7 @@ export const findHostElements = (rootElement) => {
  * Pierces open shadow-dom in order to find:
  * - elements by 'selector' matching
  * - inner shadow-dom hosts
+ *
  * @param {string} selector
  * @param {HTMLElement[]|external:NodeList} hostElements
  * @returns {PierceData}
diff --git a/src/helpers/parse-flags.js b/src/helpers/parse-flags.js
index 6e80fa98..76927876 100644
--- a/src/helpers/parse-flags.js
+++ b/src/helpers/parse-flags.js
@@ -1,5 +1,6 @@
 /**
  * Behaviour flags string parser
+ *
  * @param {string} flags required, 'applying' argument string
  * @returns {object}
  */
diff --git a/src/helpers/parse-rule.js b/src/helpers/parse-rule.js
index 31c29968..b704a2cf 100644
--- a/src/helpers/parse-rule.js
+++ b/src/helpers/parse-rule.js
@@ -1,5 +1,6 @@
 /**
  * Iterate over iterable argument and evaluate current state with transitions
+ *
  * @param {Array|Collection|string} iterable
  * @param {object} transitions transtion functions
  * @param {string} init first transition name
@@ -47,6 +48,7 @@ const substringAfter = (str, separator) => {
 
 /**
  * Parse and validate scriptlet rule
+ *
  * @param {*} ruleText
  * @returns {{name: string, args: Array<string>}}
  */
@@ -63,6 +65,7 @@ export const parseRule = (ruleText) => {
 
     /**
      * Transition function: the current index position in start, end or between params
+     *
      * @param {string} rule
      * @param {number} index
      * @param {object} Object
@@ -99,6 +102,7 @@ export const parseRule = (ruleText) => {
     };
     /**
      * Transition function: the current index position inside param
+     *
      * @param {string} rule
      * @param {number} index
      * @param {object} Object
diff --git a/src/helpers/prevent-utils.js b/src/helpers/prevent-utils.js
index 0dc0fb41..7b79009c 100644
--- a/src/helpers/prevent-utils.js
+++ b/src/helpers/prevent-utils.js
@@ -7,6 +7,7 @@ import {
 
 /**
  * Checks whether the passed arg is proper callback
+ *
  * @param {*} callback
  * @returns {boolean}
  */
@@ -22,6 +23,7 @@ export const isValidCallback = (callback) => {
  * Checks whether 'callback' and 'delay' are matching
  * by given parameters 'matchCallback' and 'matchDelay'.
  * Used for prevent-setTimeout and prevent-setInterval.
+ *
  * @param {object} preventData
  * @param {Function} preventData.callback
  * @param {any} preventData.delay
diff --git a/src/helpers/request-utils.js b/src/helpers/request-utils.js
index 6b80cef8..bbd1f324 100644
--- a/src/helpers/request-utils.js
+++ b/src/helpers/request-utils.js
@@ -4,6 +4,7 @@ import { getObjectFromEntries } from './object-utils';
 /**
  * Returns array of request props that are supported by fetch/xhr scriptlets.
  * Includes common 'url' and 'method' props and all other fetch-specific props
+ *
  * @returns {string[]}
  */
 export const getRequestProps = () => [
@@ -24,6 +25,7 @@ export const getRequestProps = () => [
 
 /**
  * Collects Request options to object
+ *
  * @param {Request} request
  * @returns {object} data object
  */
@@ -40,6 +42,7 @@ export const getRequestData = (request) => {
 
 /**
  * Collects fetch args to object
+ *
  * @param {*} args fetch args
  * @returns {object} data object
  */
@@ -70,6 +73,7 @@ export const getFetchData = (args) => {
 
 /**
  * Collect xhr.open arguments to object
+ *
  * @param {string} method
  * @param {string} url
  * @param {string} async
@@ -90,6 +94,7 @@ export const getXhrData = (method, url, async, user, password) => {
 /**
  * Parse propsToMatch input string into object;
  * used for prevent-fetch and prevent-xhr
+ *
  * @param {string} propsToMatchStr
  * @returns {object} object where 'key' is prop name and 'value' is prop value
  */
@@ -123,6 +128,7 @@ export const parseMatchProps = (propsToMatchStr) => {
 
 /**
  * Validates parsed data values
+ *
  * @param {object} data
  * @returns {boolean}
  */
@@ -133,6 +139,7 @@ export const validateParsedData = (data) => {
 
 /**
  * Converts valid parsed data to data obj for further matching
+ *
  * @param {object} data
  * @returns {object}
  */
diff --git a/src/helpers/script-source-utils.js b/src/helpers/script-source-utils.js
index 740659da..6048c916 100644
--- a/src/helpers/script-source-utils.js
+++ b/src/helpers/script-source-utils.js
@@ -4,6 +4,7 @@ import { startsWith } from './string-utils';
  * Determines if type of script is inline or injected
  * and when it's one of them then return true, otherwise false
  * https://github.com/AdguardTeam/Scriptlets/issues/201
+ *
  * @param {string|undefined} stackMatch - input stack value to match
  * @param {string} stackTrace - script error stack trace
  * @returns {boolean}
diff --git a/src/helpers/storage-utils.js b/src/helpers/storage-utils.js
index d88e443b..51a51774 100644
--- a/src/helpers/storage-utils.js
+++ b/src/helpers/storage-utils.js
@@ -7,6 +7,7 @@ import { logMessage } from './log-message';
 
 /**
  * Sets item to a specified storage, if storage isn't full.
+ *
  * @param {Source} source
  * @param {Storage} storage storage instance to set item into
  * @param {string} key
@@ -24,6 +25,7 @@ export const setStorageItem = (source, storage, key, value) => {
 
 /**
  * Gets supported storage item value
+ *
  * @param {string} value input item value
  * @returns {string|null|undefined|boolean} valid item value if ok OR null if not
  */
diff --git a/src/helpers/string-utils.js b/src/helpers/string-utils.js
index 298d6f06..8b4087c0 100644
--- a/src/helpers/string-utils.js
+++ b/src/helpers/string-utils.js
@@ -8,6 +8,7 @@ import {
 
 /**
  * String.prototype.replaceAll polyfill
+ *
  * @param {string} input input string
  * @param {string} substr to look for
  * @param {string} newSubstr replacement
@@ -17,6 +18,7 @@ export const replaceAll = (input, substr, newSubstr) => input.split(substr).join
 
 /**
  * Escapes special chars in string
+ *
  * @param {string} str
  * @returns {string}
  */
@@ -25,12 +27,14 @@ export const escapeRegExp = (str) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
 /**
  * A literal string or regexp pattern wrapped in forward slashes.
  * For example, 'simpleStr' or '/adblock|_0x/'.
+ *
  * @typedef {string} RawStrPattern
  */
 
 /**
  * Converts string to the regexp
  * TODO think about nested dependencies, but be careful with dependency loops
+ *
  * @param {RawStrPattern} [input=''] literal string or regexp pattern; defaults to '' (empty string)
  * @returns {RegExp} regular expression; defaults to /.?/
  * @throws {SyntaxError} Throw an error for invalid regex pattern
@@ -50,6 +54,7 @@ export const toRegExp = (input = '') => {
 
 /**
  * Checks whether the input string can be converted to regexp
+ *
  * @param {RawStrPattern} input literal string or regexp pattern
  * @returns {boolean}
  */
@@ -72,6 +77,7 @@ export const isValidStrPattern = (input) => {
 
 /**
  * Get string before regexp first match
+ *
  * @param {string} str
  * @param {RegExp} rx
  */
@@ -82,6 +88,7 @@ export const getBeforeRegExp = (str, rx) => {
 
 /**
  * Checks whether the string starts with the substring
+ *
  * @param {string} str full string
  * @param {string} prefix substring
  * @returns {boolean}
@@ -94,6 +101,7 @@ export const startsWith = (str, prefix) => {
 
 /**
  * Checks whether the string ends with the substring
+ *
  * @param {string} str full string
  * @param {string} ending substring
  * @returns {boolean}
@@ -122,6 +130,7 @@ export const substringBefore = (str, separator) => {
 
 /**
  * Wrap str in single quotes and replaces single quotes to double one
+ *
  * @param {string} str
  */
 export const wrapInSingleQuotes = (str) => {
@@ -137,6 +146,7 @@ export const wrapInSingleQuotes = (str) => {
 
 /**
  * Returns substring enclosed in the widest braces
+ *
  * @param {string} str
  */
 export const getStringInBraces = (str) => {
@@ -147,6 +157,7 @@ export const getStringInBraces = (str) => {
 
 /**
  * Prepares RTCPeerConnection config as string for proper logging
+ *
  * @param {*} config
  * @returns {string} stringified config
  */
@@ -178,6 +189,7 @@ export const convertRtcConfigToString = (config) => {
 /**
  * Checks whether the match input string can be converted to regexp,
  * used for match inputs with possible negation
+ *
  * @param {string} match literal string or regexp pattern
  * @returns {boolean}
  */
@@ -193,6 +205,7 @@ export const isValidMatchStr = (match) => {
 /**
  * Validates the match input number,
  * used for match inputs with possible negation
+ *
  * @param {string} match string of match number
  * @returns {boolean}
  */
@@ -216,6 +229,7 @@ export const isValidMatchNumber = (match) => {
  * Parses match arg with possible negation for no matching.
  * Needed for prevent-setTimeout, prevent-setInterval,
  * prevent-requestAnimationFrame and prevent-window-open
+ *
  * @param {string} match
  * @returns {MatchData}
  */
@@ -236,6 +250,7 @@ export const parseMatchArg = (match) => {
 /**
  * Parses delay arg with possible negation for no matching.
  * Needed for prevent-setTimeout and prevent-setInterval
+ *
  * @param {string} delay
  * @returns {DelayData} `{ isInvertedDelayMatch, delayMatch }` where:
  * `isInvertedDelayMatch` is boolean,
@@ -252,6 +267,7 @@ export const parseDelayArg = (delay) => {
 
 /**
  * Converts object to string for logging
+ *
  * @param {object} obj data object
  * @returns {string}
  */
@@ -273,6 +289,7 @@ export const objectToString = (obj) => {
 
 /**
  * Converts types into a string
+ *
  * @param {*} value
  * @returns {string}
  */
@@ -295,6 +312,7 @@ export const convertTypeToString = (value) => {
 
 /**
  * Generate a random string, a length of the string is provided as an argument
+ *
  * @param {number} length
  * @returns {string}
  */
@@ -310,6 +328,7 @@ export function getRandomStrByLength(length) {
 
 /**
  * Generate a random string
+ *
  * @param {string} customResponseText
  * @returns {string|null} random string or null if passed argument is invalid
  */
diff --git a/src/helpers/throttle.js b/src/helpers/throttle.js
index 02bcfb96..fd984e56 100644
--- a/src/helpers/throttle.js
+++ b/src/helpers/throttle.js
@@ -1,6 +1,7 @@
 /**
  * Returns a wrapper, passing the call to 'method' at maximum once per 'delay' milliseconds.
  * Those calls that fall into the "cooldown" period, are ignored
+ *
  * @param {Function} cb
  * @param {number} delay - milliseconds
  */
diff --git a/src/helpers/validator.js b/src/helpers/validator.js
index 364b7557..0175642a 100644
--- a/src/helpers/validator.js
+++ b/src/helpers/validator.js
@@ -18,6 +18,7 @@ const COMMENT_MARKER = '!';
 
 /**
  * Checks if rule text is comment e.g. !!example.org##+js(set-constant.js, test, false)
+ *
  * @param {string} rule
  * @returns {boolean}
  */
@@ -51,6 +52,7 @@ const ADG_CSS_MASK_REG = /#@?\$#.+?\s*\{.*\}\s*$/g;
 
 /**
  * Checks if the `rule` is AdGuard scriptlet rule
+ *
  * @param {string} rule - rule text
  */
 const isAdgScriptletRule = (rule) => {
@@ -62,6 +64,7 @@ const isAdgScriptletRule = (rule) => {
 
 /**
  * Checks if the `rule` is uBO scriptlet rule
+ *
  * @param {string} rule rule text
  */
 const isUboScriptletRule = (rule) => {
@@ -77,6 +80,7 @@ const isUboScriptletRule = (rule) => {
 
 /**
  * Checks if the `rule` is AdBlock Plus snippet
+ *
  * @param {string} rule rule text
  */
 const isAbpSnippetRule = (rule) => {
@@ -90,6 +94,7 @@ const isAbpSnippetRule = (rule) => {
 
 /**
  * Finds scriptlet by it's name
+ *
  * @param {string} name - scriptlet name
  */
 const getScriptletByName = (name) => {
@@ -107,6 +112,7 @@ const getScriptletByName = (name) => {
 
 /**
  * Checks if the scriptlet name is valid
+ *
  * @param {string} name - Scriptlet name
  */
 const isValidScriptletName = (name) => {
@@ -260,6 +266,7 @@ const REDIRECT_RULE_TYPES = {
 
 /**
  * Parses redirect rule modifiers
+ *
  * @param {string} rule
  * @returns {Array}
  */
@@ -267,6 +274,7 @@ const parseModifiers = (rule) => substringAfter(rule, '$').split(',');
 
 /**
  * Gets redirect resource name
+ *
  * @param {string} rule
  * @param {string} marker - specific Adg/Ubo or Abp redirect resources marker
  * @returns {string} - redirect resource name
@@ -281,6 +289,7 @@ const getRedirectName = (rule, marker) => {
 /**
  * Checks if the `rule` is AdGuard redirect rule.
  * Discards comments and JS rules and checks if the `rule` has 'redirect' modifier.
+ *
  * @param {string} rule - rule text
  */
 const isAdgRedirectRule = (rule) => {
@@ -300,6 +309,7 @@ const isAdgRedirectRule = (rule) => {
 
 /**
  * Checks if the `rule` satisfies the `type`
+ *
  * @param {string} rule - rule text
  * @param {'VALID_ADG'|'ADG'|'UBO'|'ABP'} type - type of a redirect rule
  */
@@ -341,6 +351,7 @@ const isRedirectRuleByType = (rule, type) => {
 
 /**
  * Checks if the `rule` is **valid** AdGuard redirect resource rule
+ *
  * @param {string} rule - rule text
  * @returns {boolean}
  */
@@ -350,6 +361,7 @@ const isValidAdgRedirectRule = (rule) => {
 
 /**
  * Checks if the AdGuard redirect `rule` has Ubo analog. Needed for Adg->Ubo conversion
+ *
  * @param {string} rule - AdGuard rule text
  * @returns {boolean} - true if the rule can be converted to Ubo
  */
@@ -359,6 +371,7 @@ const isAdgRedirectCompatibleWithUbo = (rule) => {
 
 /**
  * Checks if the Ubo redirect `rule` has AdGuard analog. Needed for Ubo->Adg conversion
+ *
  * @param {string} rule - Ubo rule text
  * @returns {boolean} - true if the rule can be converted to AdGuard
  */
@@ -368,6 +381,7 @@ const isUboRedirectCompatibleWithAdg = (rule) => {
 
 /**
  * Checks if the Abp redirect `rule` has AdGuard analog. Needed for Abp->Adg conversion
+ *
  * @param {string} rule - Abp rule text
  * @returns {boolean} - true if the rule can be converted to AdGuard
  */
diff --git a/src/redirects/blocking-redirects/click2load.js b/src/redirects/blocking-redirects/click2load.js
index d63093c4..ee5545b4 100644
--- a/src/redirects/blocking-redirects/click2load.js
+++ b/src/redirects/blocking-redirects/click2load.js
@@ -27,6 +27,7 @@ function clickToLoad() {
      * Some browsers does not support URL.searchParams.get()
      * but we need script run with no error
      * because frame will be shown anyway if click2load redirect rule used
+     *
      * @param {string} rawQueryStr
      * @returns {object} key is parameter name and value is parameter value
      */
@@ -123,6 +124,7 @@ function clickToLoad() {
     /**
      * Returns translations data for navigator.language
      * or 'en' if navigator.language is not supported
+     *
      * @returns {object} data for one locale with 'title' and 'button' keys
      */
     const getTranslations = () => {
@@ -150,6 +152,7 @@ function clickToLoad() {
 
     /**
      * Prepares frame url to replace on button click
+     *
      * @param {string} originUrl passed origin frame url
      * @param {string} unblockTokenName param name for further validation
      * @param {string} unblockTokenValue param value for further validation
@@ -215,6 +218,7 @@ function clickToLoad() {
 
     /**
      * Checks whether the rule has 'frame' or 'subdocument' modifier
+     *
      * @param {string} rule blocking rules passed into redirect
      * @returns {boolean}
      */
@@ -231,6 +235,7 @@ function clickToLoad() {
     };
     /**
      * Checks whether script runs inside a frame
+     *
      * @returns {boolean}
      */
     const isInsideFrame = () => window.self !== window.top;
diff --git a/src/redirects/google-analytics.js b/src/redirects/google-analytics.js
index e448a6b2..654dc91a 100644
--- a/src/redirects/google-analytics.js
+++ b/src/redirects/google-analytics.js
@@ -78,6 +78,7 @@ export function GoogleAnalytics(source) {
 
     /**
      * checks data object and delays callback
+     *
      * @param {object|Array} dataObj gtag payload
      * @param {string} funcName callback prop name
      */
diff --git a/src/redirects/index.js b/src/redirects/index.js
index a8675278..1b0cb1e2 100644
--- a/src/redirects/index.js
+++ b/src/redirects/index.js
@@ -22,6 +22,7 @@ import { redirectsMap } from '../../tmp/redirects-map';
 
 /**
  * Finds redirect resource by it's name
+ *
  * @param {string} name - redirect name
  */
 const getRedirectByName = (name) => {
@@ -40,6 +41,7 @@ const getRedirectByName = (name) => {
 
 /**
  * Returns redirect code by param
+ *
  * @param {Source} source
  * @returns {string} redirect code
  */
diff --git a/src/redirects/metrika-yandex-tag.js b/src/redirects/metrika-yandex-tag.js
index c42d7f52..32bc7e13 100644
--- a/src/redirects/metrika-yandex-tag.js
+++ b/src/redirects/metrika-yandex-tag.js
@@ -39,6 +39,7 @@ export function metrikaYandexTag(source) {
 
     /**
      * https://yandex.ru/support/metrica/objects/get-client-id.html
+     *
      * @param {string} id
      * @param {Function} cb
      */
@@ -66,6 +67,7 @@ export function metrikaYandexTag(source) {
 
     /**
      * https://yandex.ru/support/metrica/objects/reachgoal.html
+     *
      * @param {string} id
      * @param {string} target
      * @param {object} params
diff --git a/src/redirects/metrika-yandex-watch.js b/src/redirects/metrika-yandex-watch.js
index 31070c70..48e8ac48 100644
--- a/src/redirects/metrika-yandex-watch.js
+++ b/src/redirects/metrika-yandex-watch.js
@@ -17,6 +17,7 @@ export function metrikaYandexWatch(source) {
 
     /**
      * Gets callback and its context from options and call it in async way
+     *
      * @param {object} options Yandex Metrika API options
      */
     const asyncCallbackFromOptions = (options = {}) => {
diff --git a/src/redirects/redirects.js b/src/redirects/redirects.js
index 98876584..6ee43cbb 100644
--- a/src/redirects/redirects.js
+++ b/src/redirects/redirects.js
@@ -9,6 +9,7 @@ import jsYaml from 'js-yaml';
  *      contentType: image/gif;base64
  *      content: R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
  * }
+ *
  * @typedef {object} Redirect
  * @property {string} title
  * @property {string} comment
@@ -21,6 +22,7 @@ import jsYaml from 'js-yaml';
 class Redirects {
     /**
      * Converts rawYaml into JS object with sources titles used as keys
+     *
      * @param {string} rawYaml
      * @returns {Object<Redirect>} - return object with titles in the keys and RedirectSources
      * in the values
@@ -43,6 +45,7 @@ class Redirects {
 
     /**
      * Returns redirect source object
+     *
      * @param {string} title
      * @returns {Redirect}
      */
diff --git a/src/scriptlets/index.js b/src/scriptlets/index.js
index aecc2834..3b5ec0da 100644
--- a/src/scriptlets/index.js
+++ b/src/scriptlets/index.js
@@ -27,6 +27,7 @@ import { getScriptletFunction } from '../../tmp/scriptlets-func';
 
 /**
  * Returns scriptlet code by param
+ *
  * @param {Source} source
  * @returns {string|null} scriptlet code
  * @throws on unknown scriptlet name
diff --git a/src/scriptlets/json-prune.js b/src/scriptlets/json-prune.js
index 8936c343..1919728f 100644
--- a/src/scriptlets/json-prune.js
+++ b/src/scriptlets/json-prune.js
@@ -156,6 +156,7 @@ export function jsonPrune(source, propsToRemove, requiredInitialProps, stack) {
 
     /**
      * Prunes properties of 'root' object
+     *
      * @param {object} root
      */
     const jsonPruner = (root) => {
diff --git a/src/scriptlets/trusted-replace-fetch-response.js b/src/scriptlets/trusted-replace-fetch-response.js
index 27b8039d..e091c937 100644
--- a/src/scriptlets/trusted-replace-fetch-response.js
+++ b/src/scriptlets/trusted-replace-fetch-response.js
@@ -117,6 +117,7 @@ export function trustedReplaceFetchResponse(source, pattern = '', replacement =
         /**
          * Create new Response object using original response' properties
          * and given text as body content
+         *
          * @param {Response} response original response to copy properties from
          * @param {string} textContent text to set as body content
          * @returns {Response}
diff --git a/tests/helpers.js b/tests/helpers.js
index bfda7624..b891e0c0 100644
--- a/tests/helpers.js
+++ b/tests/helpers.js
@@ -16,6 +16,7 @@ export const clearGlobalProps = (...props) => {
 
 /**
  * Returns random number from range inclusively min and max
+ *
  * @param {number} min minimum range limit
  * @param {number} max maximum range limit
  * @returns {number}
@@ -31,6 +32,7 @@ const evalWrapper = eval;
 
 /**
  * Runs scriptlet with given args
+ *
  * @param {string} name scriptlet name
  * @param {Array|undefined} args array of scriptlet args
  * @param {boolean} [verbose=true]
@@ -47,6 +49,7 @@ export const runScriptlet = (name, args, verbose = true) => {
 
 /**
  * Runs redirect
+ *
  * @param {string} name redirect name
  * @param {boolean} [verbose=true]
  */
@@ -61,6 +64,7 @@ export const runRedirect = (name, verbose = true) => {
 
 /**
  * Clear cookie by name
+ *
  * @param {string} cName
  */
 export const clearCookie = (cName) => {
diff --git a/tests/index.js b/tests/index.js
index bf7e090a..23c3a94f 100644
--- a/tests/index.js
+++ b/tests/index.js
@@ -16,6 +16,7 @@ const TEST_FILE_NAME_MARKER = '.html';
 const testServer = server.init();
 /**
  * Returns false if test failed and true if test passed
+ *
  * @param {string} indexFile
  * @returns {Promise<boolean>}
  */