diff --git a/src/transform/plugins/images/collect.ts b/src/transform/plugins/images/collect.ts
index f67e4671..93b28084 100644
--- a/src/transform/plugins/images/collect.ts
+++ b/src/transform/plugins/images/collect.ts
@@ -5,17 +5,19 @@ import {isLocalUrl} from '../../utils';
 import {resolveRelativePath} from '../../utilsFS';
 import imsize from '../imsize';
 import {MarkdownItPluginOpts} from '../typings';
+import {EnvApi} from '../../yfmlint';
 
 type Options = MarkdownItPluginOpts & {
     destPath: string;
     copyFile: (path: string, dest: string) => void;
     singlePage: boolean;
+    envApi?: EnvApi;
 };
 
 const collect = (input: string, options: Options) => {
     const md = new MarkdownIt().use(imsize);
 
-    const {root, path, destPath = '', copyFile, singlePage} = options;
+    const {root, path, destPath = '', copyFile, singlePage, envApi} = options;
     const tokens = md.parse(input, {});
     let result = input;
 
@@ -46,7 +48,14 @@ const collect = (input: string, options: Options) => {
                 result = result.replace(src, newSrc);
             }
 
-            copyFile(targetPath, targetDestPath);
+            if (envApi) {
+                envApi.copyFileAsync(
+                    relative(envApi.root, targetPath),
+                    relative(envApi.distRoot, targetDestPath),
+                );
+            } else {
+                copyFile(targetPath, targetDestPath);
+            }
         });
     });
 
diff --git a/src/transform/plugins/images/index.ts b/src/transform/plugins/images/index.ts
index b86b56c1..e0d23a04 100644
--- a/src/transform/plugins/images/index.ts
+++ b/src/transform/plugins/images/index.ts
@@ -1,5 +1,5 @@
 import {readFileSync} from 'fs';
-import {join, sep} from 'path';
+import {join, relative, sep} from 'path';
 import {bold} from 'chalk';
 
 import {resolveRelativePath, isFileExists} from '../../utilsFS';
@@ -7,15 +7,17 @@ import {isLocalUrl, isExternalHref} from '../../utils';
 import Token from 'markdown-it/lib/token';
 import {MarkdownItPluginCb, MarkdownItPluginOpts} from '../typings';
 import {StateCore} from '../../typings';
+import {EnvApi} from '../../yfmlint';
 
 interface ImageOpts extends MarkdownItPluginOpts {
     assetsPublicPath: string;
+    envApi?: EnvApi;
 }
 
 function replaceImageSrc(
     token: Token,
     state: StateCore,
-    {assetsPublicPath = sep, root = '', path: optsPath, log}: ImageOpts,
+    {assetsPublicPath = sep, root = '', path: optsPath, log, envApi}: ImageOpts,
 ) {
     const src = token.attrGet('src') || '';
     const currentPath = state.env.path || optsPath;
@@ -26,7 +28,14 @@ function replaceImageSrc(
 
     const path = resolveRelativePath(currentPath, src);
 
-    if (isFileExists(path)) {
+    let pathExists: boolean;
+    if (envApi) {
+        pathExists = envApi.fileExists(relative(envApi.root, path));
+    } else {
+        pathExists = isFileExists(path);
+    }
+
+    if (pathExists) {
         state.md.assets?.push(path);
     } else {
         log.error(`Asset not found: ${bold(src)} in ${bold(currentPath)}`);
@@ -40,18 +49,25 @@ function replaceImageSrc(
 
 interface SVGOpts extends MarkdownItPluginOpts {
     notFoundCb: (s: string) => void;
+    envApi?: EnvApi;
 }
 
 function convertSvg(
     token: Token,
     state: StateCore,
-    {path: optsPath, log, notFoundCb, root}: SVGOpts,
+    {path: optsPath, log, notFoundCb, root, envApi}: SVGOpts,
 ) {
     const currentPath = state.env.path || optsPath;
     const path = resolveRelativePath(currentPath, token.attrGet('src') || '');
 
     try {
-        const content = readFileSync(path, 'utf8');
+        let content: string;
+        if (envApi) {
+            content = envApi?.readFile(relative(root, path), 'utf8') as string;
+        } else {
+            content = readFileSync(path, 'utf8');
+        }
+
         const svgToken = new state.Token('image_svg', '', 0);
         svgToken.attrSet('content', content);
 
diff --git a/src/transform/plugins/includes/collect.ts b/src/transform/plugins/includes/collect.ts
index 72a62dce..12dc5896 100644
--- a/src/transform/plugins/includes/collect.ts
+++ b/src/transform/plugins/includes/collect.ts
@@ -3,6 +3,7 @@ import {bold} from 'chalk';
 
 import {isFileExists, resolveRelativePath} from '../../utilsFS';
 import {MarkdownItPluginOpts} from '../typings';
+import {EnvApi} from '../../yfmlint';
 
 const includesPaths: string[] = [];
 
@@ -10,10 +11,11 @@ type Opts = MarkdownItPluginOpts & {
     destPath: string;
     copyFile(path: string, dest: string, opts: Opts): void;
     singlePage: Boolean;
+    envApi?: EnvApi;
 };
 
 const collect = (input: string, options: Opts) => {
-    const {root, path, destPath = '', log, copyFile, singlePage} = options;
+    const {root, path, destPath = '', log, copyFile, singlePage, envApi} = options;
     const INCLUDE_REGEXP = /{%\s*include\s*(notitle)?\s*\[(.+?)]\((.+?)\)\s*%}/g;
 
     let match,
@@ -25,9 +27,19 @@ const collect = (input: string, options: Opts) => {
 
         let includePath = resolveRelativePath(path, relativePath);
         const hashIndex = relativePath.lastIndexOf('#');
-        if (hashIndex > -1 && !isFileExists(includePath)) {
-            includePath = includePath.slice(0, includePath.lastIndexOf('#'));
-            relativePath = relativePath.slice(0, hashIndex);
+
+        if (hashIndex > -1) {
+            let includePathExists: boolean;
+            if (envApi) {
+                includePathExists = envApi.fileExists(relative(envApi.root, includePath));
+            } else {
+                includePathExists = isFileExists(includePath);
+            }
+
+            if (!includePathExists) {
+                includePath = includePath.slice(0, includePath.lastIndexOf('#'));
+                relativePath = relativePath.slice(0, hashIndex);
+            }
         }
 
         const targetDestPath = resolveRelativePath(destPath, relativePath);
diff --git a/src/transform/plugins/includes/index.ts b/src/transform/plugins/includes/index.ts
index 534854be..61fdd778 100644
--- a/src/transform/plugins/includes/index.ts
+++ b/src/transform/plugins/includes/index.ts
@@ -5,6 +5,8 @@ import {findBlockTokens} from '../../utils';
 import Token from 'markdown-it/lib/token';
 import {MarkdownItPluginCb, MarkdownItPluginOpts} from '../typings';
 import {StateCore} from 'src/transform/typings';
+import {EnvApi} from '../../yfmlint';
+import {relative} from 'path';
 
 const INCLUDE_REGEXP = /^{%\s*include\s*(notitle)?\s*\[(.+?)]\((.+?)\)\s*%}$/;
 
@@ -18,10 +20,11 @@ type Options = MarkdownItPluginOpts &
     GetFileTokensOpts & {
         notFoundCb: (v: string) => void;
         noReplaceInclude: boolean;
+        envApi?: EnvApi;
     };
 
 function unfoldIncludes(state: StateCore, path: string, options: Options) {
-    const {root, notFoundCb, log, noReplaceInclude = false} = options;
+    const {root, notFoundCb, log, noReplaceInclude = false, envApi} = options;
     const {tokens} = state;
     let i = 0;
 
@@ -44,9 +47,19 @@ function unfoldIncludes(state: StateCore, path: string, options: Options) {
                 let pathname = fullIncludePath;
                 let hash = '';
                 const hashIndex = fullIncludePath.lastIndexOf('#');
-                if (hashIndex > -1 && !isFileExists(pathname)) {
-                    pathname = fullIncludePath.slice(0, hashIndex);
-                    hash = fullIncludePath.slice(hashIndex + 1);
+
+                if (hashIndex > -1) {
+                    let pathnameExists: boolean;
+                    if (envApi) {
+                        pathnameExists = envApi.fileExists(relative(envApi.root, pathname));
+                    } else {
+                        pathnameExists = isFileExists(pathname);
+                    }
+
+                    if (!pathnameExists) {
+                        pathname = fullIncludePath.slice(0, hashIndex);
+                        hash = fullIncludePath.slice(hashIndex + 1);
+                    }
                 }
 
                 if (!pathname.startsWith(root)) {
diff --git a/src/transform/plugins/links/index.ts b/src/transform/plugins/links/index.ts
index ab4ea024..6c0cf838 100644
--- a/src/transform/plugins/links/index.ts
+++ b/src/transform/plugins/links/index.ts
@@ -8,6 +8,7 @@ import {Logger} from 'src/transform/log';
 import {MarkdownItPluginCb, MarkdownItPluginOpts} from '../typings';
 import path, {isAbsolute, parse, relative, resolve} from 'path';
 import {StateCore} from 'src/transform/typings';
+import {EnvApi} from '../../yfmlint';
 
 function defaultTransformLink(href: string) {
     const parsed = url.parse(href);
@@ -49,6 +50,7 @@ type Options = {
     href: string;
     currentPath: string;
     log: Logger;
+    envApi?: EnvApi;
 };
 
 const addTitle = (options: Options) => {
@@ -86,11 +88,12 @@ interface ProcOpts extends MarkdownItPluginOpts {
     transformLink: (v: string) => string;
     notFoundCb: (v: string) => void;
     needSkipLinkFn: (v: string) => boolean;
+    envApi?: EnvApi;
 }
 
 // eslint-disable-next-line complexity
 function processLink(state: StateCore, tokens: Token[], idx: number, opts: ProcOpts) {
-    const {path: startPath, root, transformLink, notFoundCb, needSkipLinkFn, log} = opts;
+    const {path: startPath, root, transformLink, notFoundCb, needSkipLinkFn, log, envApi} = opts;
     const currentPath = state.env.path || startPath;
     const linkToken = tokens[idx];
     const nextToken = tokens[idx + 1];
@@ -115,7 +118,13 @@ function processLink(state: StateCore, tokens: Token[], idx: number, opts: ProcO
 
     if (pathname) {
         file = resolve(path.parse(currentPath).dir, pathname);
-        fileExists = isFileExists(file);
+
+        if (envApi) {
+            fileExists = envApi.fileExists(relative(envApi.root, file));
+        } else {
+            fileExists = isFileExists(file);
+        }
+
         isPageFile = PAGE_LINK_REGEXP.test(pathname);
 
         if (isPageFile && !fileExists) {
diff --git a/src/transform/utilsFS.ts b/src/transform/utilsFS.ts
index dcb84db8..70738d5f 100644
--- a/src/transform/utilsFS.ts
+++ b/src/transform/utilsFS.ts
@@ -1,10 +1,11 @@
 import _, {Dictionary} from 'lodash';
 import {readFileSync, statSync} from 'fs';
 
-import {parse, resolve, join, sep} from 'path';
+import {parse, resolve, join, sep, relative} from 'path';
 
 import liquid from './liquid';
 import {StateCore} from './typings';
+import {EnvApi} from './yfmlint';
 
 const filesCache: Record<string, string> = {};
 
@@ -34,6 +35,7 @@ export type GetFileTokensOpts = {
     disableCircularError?: boolean;
     inheritVars?: boolean;
     conditionsInCode?: boolean;
+    envApi?: EnvApi;
 };
 
 export function getFileTokens(path: string, state: StateCore, options: GetFileTokensOpts) {
@@ -47,12 +49,20 @@ export function getFileTokens(path: string, state: StateCore, options: GetFileTo
         disableCircularError,
         inheritVars = true,
         conditionsInCode,
+        envApi,
     } = options;
     let content;
 
-    const builtVars = (getVarsPerFile && !inheritVars ? getVarsPerFile(path) : vars) || {};
+    let builtVars;
+    if (envApi) {
+        builtVars = (inheritVars ? vars : envApi.getFileVars(relative(envApi.root, path))) || {};
+    } else {
+        builtVars = (getVarsPerFile && !inheritVars ? getVarsPerFile(path) : vars) || {};
+    }
 
-    if (filesCache[path]) {
+    if (envApi) {
+        content = envApi.readFile(relative(envApi.root, path), 'utf-8') as string;
+    } else if (filesCache[path]) {
         content = filesCache[path];
     } else {
         content = readFileSync(path, 'utf8');
diff --git a/src/transform/yfmlint/index.ts b/src/transform/yfmlint/index.ts
index 012966be..97a00838 100644
--- a/src/transform/yfmlint/index.ts
+++ b/src/transform/yfmlint/index.ts
@@ -106,12 +106,25 @@ namespace yfmlint {
         sourceMap?: Dictionary<string>;
     }
 
+    export interface EnvApi {
+        root: string;
+        distRoot: string;
+        copyFile: (from: string, to: string) => void;
+        copyFileAsync: (from: string, to: string) => void;
+        writeFile: (to: string, data: string | Uint8Array) => void;
+        writeFileAsync: (to: string, data: string | Uint8Array) => void;
+        readFile: (path: string, encoding: BufferEncoding) => string | Uint8Array;
+        fileExists: (path: string) => boolean;
+        getFileVars: (path: string) => Record<string, string>;
+    }
+
     export interface PluginOptions {
         log: Logger;
         path?: string;
         disableLint?: boolean;
         lintMarkdown?: (opts: LintMarkdownFunctionOptions) => void;
         [key: string]: unknown;
+        envApi?: EnvApi;
     }
 
     export interface LintConfig {