tools: convert addon-verify to remark

This is the last use of the remark *module*. tools/remark-cli and
tools/remark-preset-lint-node remain.
PR-URL: #21978
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: rubys

tools/doc/addon-verify.js

@@ -1,28 +1,38 @@
 'use strict';
 
-const{ mkdir, readFileSync, writeFile }=require('fs');
+// doc/api/addons.md has a bunch of code. Extract it for verification
+// that the C++ code compiles and the js code runs.
+// Add .gyp files which will be used to compile the C++ code.
+// Modify the require paths in the js code to pull from the build tree.
+// Triggered from the build-addons target in the Makefile and vcbuild.bat.
+
+const{ mkdir, writeFile }=require('fs');
 const{ resolve }=require('path');
-const{ lexer }=require('marked');
+constvfile=require('to-vfile');
+constunified=require('unified');
+constremarkParse=require('remark-parse');
 
 constrootDir=resolve(__dirname,'..','..');
 constdoc=resolve(rootDir,'doc','api','addons.md');
 constverifyDir=resolve(rootDir,'test','addons');
 
-consttokens=lexer(readFileSync(doc,'utf8'));
+constfile=vfile.readSync(doc,'utf8');
+consttree=unified().use(remarkParse).parse(file);
 constaddons={};
 letid=0;
 letcurrentHeader;
 
 constvalidNames=/^\/\/\s+(.*\.(?:cc|h|js))[\r\n]/;
-tokens.forEach(({ type, text })=>{
-if(type==='heading'){
-currentHeader=text;
+tree.children.forEach((node)=>{
+if(node.type==='heading'){
+currentHeader=file.contents.slice(
+node.children[0].position.start.offset,
+node.position.end.offset);
 addons[currentHeader]={files: {}};
-}
-if(type==='code'){
-constmatch=text.match(validNames);
+}elseif(node.type==='code'){
+constmatch=node.value.match(validNames);
 if(match!==null){
-addons[currentHeader].files[match[1]]=text;
+addons[currentHeader].files[match[1]]=node.value;
 }
 }
 });

tools/doc/package-lock.json

@@ -7,12 +7,12 @@
 "node": ">=6"
  },
 "dependencies": {
-"marked": "^0.4.0",
 "rehype-raw": "^2.0.0",
 "rehype-stringify": "^3.0.0",
 "remark-html": "^7.0.0",
 "remark-parse": "^5.0.0",
 "remark-rehype": "^3.0.0",
+"to-vfile": "^5.0.0",
 "unified": "^7.0.0",
 "unist-util-find": "^1.0.1",
 "unist-util-select": "^1.5.0",