wxml/no-unexpected-string-bool

Background

boolean in data binding

Keywords (must be enclosed in double quotes)

• True: Boolean-type true.
• false: Boolean-type false.

<checkbox checked="{{false}}"> </checkbox>

Note: Do not directly write checked="false". Its computing result is a string which represents a true value when converted to a Boolean value.

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Motivation

This rule enforce developer avoid using wrong boolean in wxml data binding

<!-- ✓ GOOD --> <checkbox checked="{{false}}"> </checkbox> <popup showMask /> <!-- ✗ BAD --> <checkbox checked="false"> </checkbox> <popup showMask="true" />

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Config

No special options, normal config is ok

{ "wxml/no-unexpected-string-bool": "error" }

Version

This rule was introduced in eslint-plugin-wxml v0.2.1

Implementation

• Rule Source Code (opens new window)
• Test Source Code (opens new window)