Skip to main content

perspective_viewer/utils/
mod.rs

1// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
2// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
3// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
4// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
5// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
6// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
7// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
8// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
9// ┃ This file is part of the Perspective library, distributed under the terms ┃
10// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
11// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
12
13//! A catch all for project-wide macros and general-purpose functions that are
14//! not directly related to Perspective.
15//!
16//! Modules below `crate::utils` strive to be single-responsibility, but some
17//! reference other `crate::utils` modules when it helps reduce boiler-plate.
18
19mod browser;
20mod custom_element;
21mod datetime;
22mod debounce;
23mod hooks;
24mod modal_position;
25mod number_format;
26mod ptr_eq_rc;
27mod pubsub;
28mod weak_scope;
29
30#[cfg(test)]
31mod tests;
32
33pub use browser::*;
34pub use custom_element::*;
35pub use datetime::*;
36pub use debounce::*;
37pub use hooks::*;
38pub use modal_position::*;
39pub use number_format::*;
40pub use perspective_client::clone;
41pub use ptr_eq_rc::*;
42pub use pubsub::*;
43pub use weak_scope::*;
44
45/// An implementaiton of `try_blocks` feature in a non-nightly macro.
46#[macro_export]
47macro_rules! maybe {
48    ($($exp:stmt);*) => {{
49        let x = ({
50            #[inline(always)]
51            || {
52                $($exp)*
53            }
54        })();
55        x
56    }};
57}
58
59/// As `maybe!`, but returns `()` and just logs errors.
60#[macro_export]
61macro_rules! maybe_log {
62    ($($exp:tt)+) => {{
63        let x = ({
64            #[inline(always)]
65            || {
66                {
67                    $($exp)+
68                };
69                Ok(())
70            }
71        })();
72        x.unwrap_or_else(|e| web_sys::console::warn_1(&e))
73    }};
74}
75
76#[macro_export]
77macro_rules! maybe_log_or_default {
78    ($($exp:tt)+) => {{
79        let x = ({
80            #[inline(always)]
81            || {
82                $($exp)+
83            }
84        })();
85        x.unwrap_or_else(|e| {
86            web_sys::console::warn_1(&e);
87            Default::default()
88        })
89    }};
90}
91
92#[macro_export]
93macro_rules! maybe_or_default {
94    ($($exp:tt)+) => {{
95        let x = ({
96            #[inline(always)]
97            || {
98                $($exp)+
99            }
100        })();
101        x.unwrap_or_else(|| {
102            web_sys::console::warn_1("Unwrap on Noner");
103            Default::default()
104        })
105    }};
106}