diff --git a/packages/pug-lexer/index.js b/packages/pug-lexer/index.js
index 51836c08e..039753c28 100644
--- a/packages/pug-lexer/index.js
+++ b/packages/pug-lexer/index.js
@@ -816,10 +816,46 @@ Lexer.prototype = {
*/
include: function() {
- var tok = this.scan(/^include(?=:| |$|\n)/, 'include');
+ var tok = this.scan(/^include(?=:| |=|$|\n)/, 'include');
if (tok) {
this.tokens.push(this.tokEnd(tok));
while (this.callLexerFunction('filter', {inInclude: true}));
+
+ /*
+ * to support the `include=dynamicPath`
+ * dynamicPath could contains interpolation like #{someVariables}
+ */
+ if(/^=/.exec(this.input)){
+ const pathString = this.input.split('=');
+ const path = pathString[1].trim();
+ // to ensure no impact the exisitng include which will accept the param after the whitepsace
+ this.input = ' ' + path.replaceAll(/['"`]/g, "");
+
+ const variablesInPath = this.input.match(/#{([^\/]+)}/g) || [];
+
+ variablesInPath.forEach(variableName => {
+ const originalVariableName = variableName;
+ variableName = variableName.slice(2, -1);
+ for(let token of this.tokens){
+ if(token.type === 'code'){
+ const regex = /(var|let|const)\s+(\w+)\s*=\s*(?:"([^"]+)"|`([^`]+)`|'([^']+)')/;
+ const match = token.val.match(regex);
+
+ if(match && match[2] === variableName) {
+ const splittedValues = token.val.split('=');
+ let rightSideValue = splittedValues[1];
+ rightSideValue = rightSideValue.replaceAll(/['";`]/g, "").trim();
+
+ if(rightSideValue){
+ this.input = this.input.replace(originalVariableName,rightSideValue);
+ break;
+ }
+ }
+ }
+ }
+ })
+ }
+
if (!this.callLexerFunction('path')) {
if (/^[^ \n]+/.test(this.input)) {
// if there is more text
diff --git a/packages/pug/test/pug.test.js b/packages/pug/test/pug.test.js
index f68894932..71939d81b 100644
--- a/packages/pug/test/pug.test.js
+++ b/packages/pug/test/pug.test.js
@@ -1085,6 +1085,21 @@ describe('pug', function() {
);
});
+ it('should include block', function() {
+ var str = [
+ 'html',
+ ' head',
+ ' - const includeFilePath = "fixtures/scripts.pug"',
+ ' include=#{includeFilePath}',
+ ' scripts(src="/app.js")',
+ ].join('\n');
+
+ assert.equal(
+ '',
+ pug.render(str, {filename: __dirname + '/pug.test.js'})
+ );
+ });
+
it('should not fail on js newlines', function() {
assert.equal('foo\u2028bar
', pug.render('p foo\u2028bar'));
assert.equal('foo\u2029bar
', pug.render('p foo\u2029bar'));