diff --git a/Cargo.toml b/Cargo.toml
index d7a69c6..fb4a1c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ rust-version = "1.64.0"
[workspace]
members = [
"rrule",
- "rrule-debugger",
+ "rrule-debugger"
]
# These are the 2 packages to mainly work on.
diff --git a/rrule/Cargo.toml b/rrule/Cargo.toml
index 0dc56dc..a5fb982 100644
--- a/rrule/Cargo.toml
+++ b/rrule/Cargo.toml
@@ -21,10 +21,12 @@ regex = { version = "1.5.5", default-features = false, features = ["perf", "std"
clap = { version = "4.1.9", optional = true, features = ["derive"] }
thiserror = "1.0.30"
serde_with = { version = "2.3.1", optional = true }
+wasm-bindgen = { version="0.2.85", optional = true }
[dev-dependencies]
serde_json = "1.0.80"
orig_serde = { package = "serde", version = "1.0.137", default-features = false }
+wasm-bindgen-test = "0.3.13"
[[bin]]
name = "rrule"
@@ -43,4 +45,10 @@ cli-tool = ["clap"]
serde = ["serde_with", "chrono/serde", "chrono-tz/serde"]
# Allows EXRULE's to be used in the `RRuleSet`.
-exrule = []
\ No newline at end of file
+exrule = []
+
+# Allows to use WASM
+wasm = ["dep:wasm-bindgen"]
+
+[lib]
+crate-type = ["cdylib", "rlib"]
diff --git a/rrule/Makefile b/rrule/Makefile
new file mode 100644
index 0000000..8781a7d
--- /dev/null
+++ b/rrule/Makefile
@@ -0,0 +1,14 @@
+install-wasm-pack:
+ curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+
+build-wasm-nodejs:
+ wasm-pack build --target nodejs --features "wasm"
+
+test-wasm-on-nodejs:
+ node examples/wasm/nodejs/app.js
+
+build-wasm-web:
+ wasm-pack build --target web --features "wasm"
+
+test-wasm-on-web-browser:
+ npx http-server -o /examples/wasm/web/index.html
\ No newline at end of file
diff --git a/rrule/examples/wasm/nodejs/app.js b/rrule/examples/wasm/nodejs/app.js
new file mode 100644
index 0000000..3f05ffd
--- /dev/null
+++ b/rrule/examples/wasm/nodejs/app.js
@@ -0,0 +1,21 @@
+const { get_all_date_recurrences } = require('../../../pkg/rrule.js');
+
+const http = require('http');
+const url = require('url');
+const hostname = '127.0.0.1';
+const port = 3000;
+
+const server = http.createServer((req, res) => {
+ const queryObject = url.parse(req.url,true).query;
+ res.statusCode = 200;
+ res.setHeader('Content-Type', 'text/plain');
+
+ const rule_set = "DTSTART:20120201T093000Z\nRRULE:FREQ=DAILY;COUNT=3";
+ const data = get_all_date_recurrences(rule_set, 100);
+ console.log(data);
+ res.end(data.toString());
+});
+
+server.listen(port, hostname, () => {
+ console.log(`Server running at http://${hostname}:${port}/`);
+});
\ No newline at end of file
diff --git a/rrule/examples/wasm/web/index.html b/rrule/examples/wasm/web/index.html
new file mode 100644
index 0000000..ea857bf
--- /dev/null
+++ b/rrule/examples/wasm/web/index.html
@@ -0,0 +1,23 @@
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/rrule/src/lib.rs b/rrule/src/lib.rs
index 1fbdc91..057b17b 100644
--- a/rrule/src/lib.rs
+++ b/rrule/src/lib.rs
@@ -99,6 +99,8 @@ mod iter;
mod parser;
mod tests;
mod validator;
+#[cfg(feature = "wasm")]
+mod wasm;
pub use crate::core::{Frequency, NWeekday, RRule, RRuleResult, RRuleSet, Tz};
pub use crate::core::{Unvalidated, Validated};
diff --git a/rrule/src/wasm/mod.rs b/rrule/src/wasm/mod.rs
new file mode 100644
index 0000000..385c358
--- /dev/null
+++ b/rrule/src/wasm/mod.rs
@@ -0,0 +1,29 @@
+use wasm_bindgen::prelude::*;
+
+use crate::{RRuleSet, RRuleError};
+
+/// Get all recurrences of the rrule
+///
+/// # Arguments
+///
+/// * `rule_set` - List of rrules
+///
+/// * `limit` - Limit must be set in order to prevent infinite loops
+#[wasm_bindgen]
+pub fn get_all_date_recurrences(rule_set: &str, limit: Option) -> Result, JsError> {
+ let rrule_result: Result = rule_set.parse();
+ match rrule_result {
+ Ok(rrule) => {
+ /// Set hard limit in case of infinitely recurring rules
+ let rule_set_collection = rrule.all(limit.unwrap_or(100));
+ let result: Vec = rule_set_collection.dates
+ .into_iter()
+ .map(|s| {
+ JsValue::from_str(&s.to_string())
+ })
+ .collect();
+ Ok(result)
+ },
+ Err(e) => Err(JsError::from(e))
+ }
+}