Method reconcileScriptTypeAttr

lib/html/HtmlParser.js:928–968

(typeAttr, nameEnd, type, input)

		 * @param {string} input source string
		 */
		const reconcileScriptTypeAttr = (typeAttr, nameEnd, type, input) => {
			if (outputModule && type === "script") {
				// Chunk is an ES module; upgrade the tag.
				if (typeAttr && typeAttr.valueStart !== -1) {
					module.addPresentationalDependency(
						new ConstDependency("module", [
							typeAttr.valueStart,
							typeAttr.valueEnd
						])
					);
				} else {
					module.addPresentationalDependency(
						new ConstDependency(' type="module"', nameEnd)
					);
				}
			} else if (!outputModule && type === "script-module" && typeAttr) {
				// Chunk is a classic IIFE; drop `type="module"` so the
				// browser doesn't load it under module semantics.
				let attrEnd;
				if (typeAttr.valueStart === -1) {
					attrEnd = typeAttr.nameEnd;
				} else if (
					input[typeAttr.valueEnd] === '"' ||
					input[typeAttr.valueEnd] === "'"
				) {
					attrEnd = typeAttr.valueEnd + 1;
				} else {
					attrEnd = typeAttr.valueEnd;
				}
				let attrStart = typeAttr.nameStart;
				if (
					attrStart > 0 &&
					isASCIIWhitespace(input.charCodeAt(attrStart - 1))
				) {
					attrStart -= 1;
				}
				module.addPresentationalDependency(
					new ConstDependency("", [attrStart, attrEnd])
				);
			}
		};

		/**
		 * @param {string} mime mime type