perspective_viewer/utils/mod.rs
1// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
2// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
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4// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
5// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
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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 number_format;
25mod pubsub;
26mod weak_scope;
27
28#[cfg(test)]
29mod tests;
30
31pub use browser::*;
32pub use custom_element::*;
33pub use datetime::*;
34pub use debounce::*;
35pub use hooks::*;
36pub use number_format::*;
37pub use perspective_client::clone;
38pub use pubsub::*;
39pub use weak_scope::*;
40
41/// An implementaiton of `try_blocks` feature in a non-nightly macro.
42#[macro_export]
43macro_rules! maybe {
44 ($($exp:stmt);*) => {{
45 let x = ({
46 #[inline(always)]
47 || {
48 $($exp)*
49 }
50 })();
51 x
52 }};
53}
54
55/// As `maybe!`, but returns `()` and just logs errors.
56#[macro_export]
57macro_rules! maybe_log {
58 ($($exp:tt)+) => {{
59 let x = ({
60 #[inline(always)]
61 || {
62 {
63 $($exp)+
64 };
65 Ok(())
66 }
67 })();
68 x.unwrap_or_else(|e| web_sys::console::warn_1(&e))
69 }};
70}
71
72#[macro_export]
73macro_rules! maybe_log_or_default {
74 ($($exp:tt)+) => {{
75 let x = ({
76 #[inline(always)]
77 || {
78 $($exp)+
79 }
80 })();
81 x.unwrap_or_else(|e| {
82 web_sys::console::warn_1(&e);
83 Default::default()
84 })
85 }};
86}
87
88#[macro_export]
89macro_rules! maybe_or_default {
90 ($($exp:tt)+) => {{
91 let x = ({
92 #[inline(always)]
93 || {
94 $($exp)+
95 }
96 })();
97 x.unwrap_or_else(|| {
98 web_sys::console::warn_1("Unwrap on Noner");
99 Default::default()
100 })
101 }};
102}