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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017, 2018 Rami Ali
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
mergeInto(LibraryManager.library, {
// This string will be emitted directly into the output file by Emscripten.
mp_js_ticks_ms__postset: "var MP_JS_EPOCH = Date.now()",
mp_js_ticks_ms: () => Date.now() - MP_JS_EPOCH,
mp_js_hook: () => {
if (ENVIRONMENT_IS_NODE) {
const mp_interrupt_char = Module.ccall(
"mp_hal_get_interrupt_char",
"number",
["number"],
["null"],
);
const fs = require("fs");
const buf = Buffer.alloc(1);
try {
const n = fs.readSync(process.stdin.fd, buf, 0, 1);
if (n > 0) {
if (buf[0] === mp_interrupt_char) {
Module.ccall(
"mp_sched_keyboard_interrupt",
"null",
["null"],
["null"],
);
} else {
process.stdout.write(String.fromCharCode(buf[0]));
}
}
} catch (e) {
if (e.code === "EAGAIN") {
} else {
throw e;
}
}
}
},
mp_js_time_ms: () => Date.now(),
// Node prior to v19 did not expose "crypto" as a global, so make sure it exists.
mp_js_random_u32__postset:
"if (globalThis.crypto === undefined) { globalThis.crypto = require('crypto'); }",
mp_js_random_u32: () =>
globalThis.crypto.getRandomValues(new Uint32Array(1))[0],
});
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