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const fs = require('fs');
const pathname = process.argv[2];
let content = fs.readFileSync(pathname, 'utf-8');
const delimiters = ['<!---', '--->'];
const regexp = new RegExp(delimiters[0] + '([^]*?)' + delimiters[1], 'g');
const scriptList = [];
let result = content.replace(regexp, function(all, p1) {
scriptList.push(p1);
return delimiters[0] + (scriptList.length - 1) + delimiters[1];
});
const fctList = scriptList
.map(code => ctx => (function(ctx) { return eval(code) }).call(null, ctx) );
for ( const fct of fctList )
result = fct({ wholeContent: result, global });
result = result.replace(regexp, function(all, p1) {
return delimiters[0] + (scriptList[Number(p1)]) + delimiters[1];
});
fs.writeFileSync(pathname, result);
/*
example:
-------
file.md:
| ...
| <body>
| <div id="app"></div>
| <script src="https://unpkg.com/vue@next"></script>
| <script src="https://pugjs.org/js/pug.js"></script>
| <script src="https://cdn.jsdelivr.net/npm/vue3-sfc-loader@latest/dist/vue3-sfc-loader.js"></script>
| ...
|
| <!---
|
| const versionObj = require('semver').parse(require(process.cwd() + '/package.json').version);
| ctx.wholeContent.replace(/(\/vue3-sfc-loader@)(.*?)(\/)/g, `$1^${ versionObj.major }.${ versionObj.minor }$3`);
|
| -->
> node ./build/evalHtmlComments.js README.md
result:
| ...
| <script src="https://cdn.jsdelivr.net/npm/vue3-sfc-loader@^0.2/dist/vue3-sfc-loader.js"></script>
| ...
*/