yew_macro/props/
element.rs

1use std::collections::HashSet;
2
3use once_cell::sync::Lazy;
4use syn::parse::{Parse, ParseStream};
5
6use super::{Prop, Props, SpecialProps};
7
8pub struct ElementProps {
9    pub attributes: Vec<Prop>,
10    pub listeners: Vec<Prop>,
11    pub classes: Option<Prop>,
12    pub booleans: Vec<Prop>,
13    pub value: Option<Prop>,
14    pub defaultvalue: Option<Prop>,
15    pub checked: Option<Prop>,
16    pub special: SpecialProps,
17}
18
19impl Parse for ElementProps {
20    fn parse(input: ParseStream) -> syn::Result<Self> {
21        let mut props = input.parse::<Props>()?;
22
23        let listeners =
24            props.drain_filter(|prop| LISTENER_SET.contains(prop.label.to_string().as_str()));
25
26        // Multiple listener attributes are allowed, but no others
27        props.check_no_duplicates()?;
28
29        let booleans =
30            props.drain_filter(|prop| BOOLEAN_SET.contains(prop.label.to_string().as_str()));
31
32        let classes = props.pop("class");
33        let value = props.pop("value");
34        let checked = props.pop("checked");
35        let defaultvalue = props.pop("defaultvalue");
36        let special = props.special;
37
38        Ok(Self {
39            attributes: props.prop_list.into_vec(),
40            classes,
41            listeners: listeners.into_vec(),
42            checked,
43            booleans: booleans.into_vec(),
44            value,
45            special,
46            defaultvalue,
47        })
48    }
49}
50
51static BOOLEAN_SET: Lazy<HashSet<&'static str>> = Lazy::new(|| {
52    [
53        // Living Standard
54        // From: https://html.spec.whatwg.org/#attributes-3
55        // where `Value` = Boolean attribute
56        // Note: `checked` is uniquely handled in the html! macro.
57        "allowfullscreen",
58        "async",
59        "autofocus",
60        "autoplay",
61        "controls",
62        "default",
63        "defer",
64        "disabled",
65        "formnovalidate",
66        "hidden",
67        "inert",
68        "ismap",
69        "itemscope",
70        "loop",
71        "multiple",
72        "muted",
73        "nomodule",
74        "novalidate",
75        "open",
76        "playsinline",
77        "readonly",
78        "required",
79        "reversed",
80        "selected",
81        "truespeed",
82        // Not-yet-standardized
83        "webkitdirectory",
84    ]
85    .into()
86});
87
88static LISTENER_SET: Lazy<HashSet<&'static str>> = Lazy::new(|| {
89    [
90        // Living Standard
91        // From: https://html.spec.whatwg.org/multipage/webappapis.html#globaleventhandlers
92        "onabort",
93        "onauxclick",
94        "onblur",
95        "oncancel",
96        "oncanplay",
97        "oncanplaythrough",
98        "onchange",
99        "onclick",
100        "onclose",
101        "oncontextmenu",
102        "oncuechange",
103        "ondblclick",
104        "ondrag",
105        "ondragend",
106        "ondragenter",
107        "ondragexit",
108        "ondragleave",
109        "ondragover",
110        "ondragstart",
111        "ondrop",
112        "ondurationchange",
113        "onemptied",
114        "onended",
115        "onerror",
116        "onfocus",
117        // onfocusin + onfocusout not in standard but added due to browser support
118        // see issue 1896: https://github.com/yewstack/yew/issues/1896
119        "onfocusin",
120        "onfocusout",
121        "onformdata",
122        "oninput",
123        "oninvalid",
124        "onkeydown",
125        "onkeypress",
126        "onkeyup",
127        "onload",
128        "onloadeddata",
129        "onloadedmetadata",
130        "onloadstart",
131        "onmousedown",
132        "onmouseenter",
133        "onmouseleave",
134        "onmousemove",
135        "onmouseout",
136        "onmouseover",
137        "onmouseup",
138        "onpause",
139        "onplay",
140        "onplaying",
141        "onprogress",
142        "onratechange",
143        "onreset",
144        "onresize",
145        "onscroll",
146        "onsecuritypolicyviolation",
147        "onseeked",
148        "onseeking",
149        "onselect",
150        "onslotchange",
151        "onstalled",
152        "onsubmit",
153        "onsuspend",
154        "ontimeupdate",
155        "ontoggle",
156        "onvolumechange",
157        "onwaiting",
158        "onwheel",
159        // Standard HTML Document and Element
160        // From: https://html.spec.whatwg.org/multipage/webappapis.html#documentandelementeventhandlers
161        "oncopy",
162        "oncut",
163        "onpaste",
164        // Others
165        // From: https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers
166        "onanimationcancel",
167        "onanimationend",
168        "onanimationiteration",
169        "onanimationstart",
170        "ongotpointercapture",
171        "onloadend",
172        "onlostpointercapture",
173        "onpointercancel",
174        "onpointerdown",
175        "onpointerenter",
176        "onpointerleave",
177        "onpointerlockchange",
178        "onpointerlockerror",
179        "onpointermove",
180        "onpointerout",
181        "onpointerover",
182        "onpointerup",
183        "onselectionchange",
184        "onselectstart",
185        "onshow",
186        "ontouchcancel",
187        "ontouchend",
188        "ontouchmove",
189        "ontouchstart",
190        "ontransitioncancel",
191        "ontransitionend",
192        "ontransitionrun",
193        "ontransitionstart",
194    ]
195    .into()
196});
yew_macro/props/element.rs

yew_macro/props/
element.rs
