fix: simplify lp stream read/write #157

Job	Run time
js-test-and-release / check	3m 9s
js-test-and-release / test-chrome-webworker	1m 46s
js-test-and-release / test-chrome	1m 55s
js-test-and-release / test-firefox	2m 13s
js-test-and-release / test-node (windows-latest, lts/*)	4m 43s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	16s
js-test-and-release / test-node (ubuntu-latest, lts/*)	1m 30s
js-test-and-release / test-electron-main	22s
js-test-and-release / test-webkit (macos-latest, lts/*)	2m 39s
js-test-and-release / test-node (macos-latest, lts/*)	4m 12s
js-test-and-release / test-electron-renderer	13s
js-test-and-release / test-firefox-webworker	2m 45s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	15s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	2m 55s
js-test-and-release / release-check	0s
js-test-and-release / release	0s
	28m 53s

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