Warn about `this.` used in templates

[tstriker]

What problem does this feature solve?

Sometimes when moving the code around, the this. can end up traveling with it. Or the finger memory will just type in the this. where none is required.

Due to a side-effect, the this context is indeed present, but it breaks when it's used deeper in templates (haven't looked exactly, but i think it breaks in v-if's or somewhere around there.

To avoid inadvertent breakages, it would be nice if vue could warn about it.

What does the proposed API look like?

a this. spotted in javascript bits of template would show a warning in the javascript console

[axx0622]

#11715 艾欣欣 2134328478@qq.com web前端

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---Original--- From: "Tom Striker"<notifications@github.com&gt; Date: Thu, Oct 8, 2020 17:35 PM To: "vuejs/vue"<vue@noreply.github.com&gt;; Cc: "Subscribed"<subscribed@noreply.github.com&gt;; Subject: [vuejs/vue] Warn about `this.` used in templates (#11715) What problem does this feature solve? Sometimes when moving the code around, the this. can end up traveling with it. Or the finger memory will just type in the this. where none is required. Due to a side-effect, the this context is indeed present, but it breaks when it's used deeper in templates (haven't looked exactly, but i think it breaks in v-if's or somewhere around there. To avoid inadvertent breakages, it would be nice if vue could warn about it. What does the proposed API look like? a this. spotted in javascript bits of template would show a warning in the javascript console — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe.

[Rudeus3Greyrat]

#12343