fix(@angular/build): prevent syntax corruption for Crockford-style en… #10907

Job	Run time
build-e2e-windows	3m 38s
lint	2m 28s
build	3m 38s
publish-snapshots	5m 56s
test	6m 55s
Browser Compatibility Tests	6m 55s
e2e-windows (24, esbuild, 2)	6m 53s
e2e-windows (24, esbuild, 5)	6m 53s
e2e-windows (24, esbuild, 0)	6m 55s
e2e-windows (24, webpack, 0)	6m 53s
e2e-windows (24, esbuild, 3)	6m 54s
e2e-windows (24, webpack, 3)	6m 53s
e2e-windows (24, webpack, 2)	6m 55s
e2e-windows (24, webpack, 4)	6m 54s
e2e-windows (24, webpack, 1)	6m 54s
e2e-windows (24, esbuild, 4)	6m 52s
e2e-windows (24, webpack, 5)	6m 53s
e2e-windows (24, esbuild, 1)	6m 53s
e2e	1s
e2e-snapshots	1s
e2e-package-managers	1s
	1h 52m 15s

Navigation Menu