TypeScript#15
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Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
Co-authored-by: Mu-An Chiou <me@muanchiou.com>
dgraham
commented
Oct 17, 2019
| super() | ||
| this.currentQuery = null | ||
| this.debounceInputChange = debounce(() => fetchResults(this)) | ||
| this.boundFetchResults = () => fetchResults(this) |
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TypeScript's strict-property-initialization test caught these null instance variables previously assigned in the connectedCallback.
| let html = '' | ||
| try { | ||
| response = await fetch(url, { | ||
| response = await fetch(url.toString(), { |
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Nice catch by TypeScript where the Fetch API doesn't accept URL values.
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Interestingly, fetch does accept URL values, it just implicitly casts them to string: https://twitter.com/Keithamus/status/1185127977249574912
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Converts the Flow + Babel toolchain to TypeScript.
The original motivation was to be able to use private instance variables without using the
#syntax, but the private modifier is a compile-time only check. We need microsoft/TypeScript#30829 before we can replace our WeakMap state pattern with private fields.There is no escaping the
#syntax.