inlined parse_tag_attributes

Author: ehrencrona

src/compiler/preprocess/index.ts

@@ -2,7 +2,6 @@ import { RawSourceMap, DecodedSourceMap } from '@ampproject/remapping/dist/types
 import { getLocator } from 'locate-character';
 import { StringWithSourcemap, SourceLocation, sourcemap_add_offset, combine_sourcemaps } from '../utils/string_with_sourcemap';
 import { decode_map } from './decode_sourcemap';
-import parse_tag_attributes from './parse_tag_attributes';
 import { replace_in_code, Source } from './replace_in_code';
 import { Preprocessor, PreprocessorGroup, Processed } from './types';
 
@@ -113,6 +112,16 @@ function processed_tag_to_sws(
 	return tag_open_sws.concat(content_sws).concat(tag_close_sws);
 }
 
+function parse_tag_attributes(str: string) {
+	// note: won't work with attribute values containing spaces.
+	return str.split(/\s+/).filter(Boolean).reduce((attrs, attr) => {
+		const [key, value] = attr.split('=');
+		const [,unquoted] = value && value.match(/^['"](.*)['"]$/) || [];
+		
+		return {...attrs, [key]: unquoted ?? value ?? true};
+	}, {});
+}
+
 /** 
  * Calculate the updates required to process all instances of the specified tag. 
  */