anki/rslib/i18n/typescript.rs
2023-07-03 15:58:46 +10:00

124 lines
3.4 KiB
Rust

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
use std::env;
use std::fmt::Write;
use std::path::PathBuf;
use anki_io::create_dir_all;
use anki_io::write_file_if_changed;
use anyhow::Result;
use inflections::Inflect;
use itertools::Itertools;
use crate::extract::Module;
use crate::extract::Variable;
use crate::extract::VariableKind;
pub fn write_ts_interface(modules: &[Module]) -> Result<()> {
let mut dts_out = header();
let mut js_out = header();
write_translate_method(&mut js_out);
dts_out.push_str("export declare const funcs: any;\n");
render_module_map(modules, &mut dts_out, &mut js_out);
render_methods(modules, &mut dts_out, &mut js_out);
if let Ok(path) = env::var("STRINGS_JS") {
let path = PathBuf::from(path);
create_dir_all(path.parent().unwrap())?;
write_file_if_changed(path, js_out)?;
}
if let Ok(path) = env::var("STRINGS_DTS") {
let path = PathBuf::from(path);
create_dir_all(path.parent().unwrap())?;
write_file_if_changed(path, dts_out)?;
}
Ok(())
}
fn render_module_map(modules: &[Module], dts_out: &mut String, js_out: &mut String) {
dts_out.push_str("export declare enum ModuleName {\n");
js_out.push_str("export const ModuleName = {};\n");
for module in modules {
let name = &module.name;
let upper = name.to_upper_case();
writeln!(dts_out, r#" {upper} = "{name}","#).unwrap();
writeln!(js_out, r#"ModuleName["{upper}"] = "{name}";"#).unwrap();
}
dts_out.push('}');
}
fn render_methods(modules: &[Module], dts_out: &mut String, js_out: &mut String) {
for module in modules {
for translation in &module.translations {
let text = &translation.text;
let key = &translation.key;
let func_name = key.replace('-', "_").to_camel_case();
let arg_types = get_arg_types(&translation.variables);
let maybe_args = if translation.variables.is_empty() {
""
} else {
"args"
};
writeln!(
dts_out,
"
/** {text} */
export declare function {func_name}({arg_types}): string;",
)
.unwrap();
writeln!(
js_out,
r#"
export function {func_name}({maybe_args}) {{
return translate("{key}", {maybe_args})
}}"#,
)
.unwrap();
}
}
}
fn write_translate_method(buf: &mut String) {
buf.push_str(
"
// tslib is responsible for injecting getMessage helper in
export const funcs = {};
function translate(key, args = {}) {
return funcs.getMessage(key, args) ?? `missing key: ${key}`;
}
",
);
}
fn header() -> String {
"// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
"
.to_string()
}
fn get_arg_types(args: &[Variable]) -> String {
let args = args
.iter()
.map(|arg| format!("{}: {}", arg.name.to_camel_case(), arg_kind(&arg.kind)))
.join(", ");
if args.is_empty() {
"".into()
} else {
format!("args: {{{args}}}",)
}
}
fn arg_kind(kind: &VariableKind) -> &str {
match kind {
VariableKind::Int | VariableKind::Float => "number",
VariableKind::String => "string",
VariableKind::Any => "number | string",
}
}