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Bug fix for onRuntimeInitialized

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Ali Camarata 2023-04-04 17:54:56 -04:00
parent cc8b0299b2
commit 4dc4b3004c
2 changed files with 52 additions and 44 deletions
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2
package.json
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@ -1,6 +1,6 @@
{
"name": "solar-spa",
"version": "1.2.1",
"version": "1.2.2",
"description": "NREL Solar Position Algorithm (SPA) in WebAssembly",
"main": "solar-spa.js",
"types": "index.d.ts",

94
solar-spa.js
View file

@ -1,6 +1,11 @@
// solar-spa.js
const spaModule = require('./spa.js');
let isRuntimeInitialized = false;
spaModule.onRuntimeInitialized = function () {
isRuntimeInitialized = true;
};
module.exports = function spa(
date,
latitude,
@ -10,53 +15,56 @@ module.exports = function spa(
pressure = 1013.25,
refraction = 0.5667
) {
return new Promise((resolve) => {
spaModule.onRuntimeInitialized = function () {
const spa_calculate = spaModule.cwrap(
'spa_calculate_wrapper',
'number',
[
'number', 'number', 'number', 'number', 'number',
'number', 'number', 'number', 'number', 'number',
'number', 'number', 'number', 'number', 'number'
]
);
return new Promise((resolve, reject) => {
if (!isRuntimeInitialized) {
reject(new Error('Emscripten runtime is not initialized.'));
return;
}
const spa_free_result = spaModule.cwrap(
'spa_free_result',
null,
['number']
);
const spa_calculate = spaModule.cwrap(
'spa_calculate_wrapper',
'number',
[
'number', 'number', 'number', 'number', 'number',
'number', 'number', 'number', 'number', 'number',
'number', 'number', 'number', 'number', 'number'
]
);
const year = date.getFullYear();
const month = date.getMonth() + 1;
const day = date.getDate();
const hour = date.getHours();
const minute = date.getMinutes();
const second = date.getSeconds();
const timezone = -date.getTimezoneOffset() / 60;
const slope = 0;
const azm_rotation = 0;
const spa_free_result = spaModule.cwrap(
'spa_free_result',
null,
['number']
);
const resultPtr = spa_calculate(
year, month, day, hour, minute, second, timezone,
latitude, longitude, elevation, pressure, temperature,
slope, azm_rotation, refraction
);
const year = date.getFullYear();
const month = date.getMonth() + 1;
const day = date.getDate();
const hour = date.getHours();
const minute = date.getMinutes();
const second = date.getSeconds();
const timezone = -date.getTimezoneOffset() / 60;
const slope = 0;
const azm_rotation = 0;
const result = {
zenith: spaModule.getValue(resultPtr, 'double'),
azimuth: spaModule.getValue(resultPtr + 8, 'double'),
incidence: spaModule.getValue(resultPtr + 16, 'double'),
sunrise: spaModule.getValue(resultPtr + 24, 'double'),
sunset: spaModule.getValue(resultPtr + 32, 'double'),
solar_noon: spaModule.getValue(resultPtr + 40, 'double'),
sun_transit_alt: spaModule.getValue(resultPtr + 48, 'double'),
};
const resultPtr = spa_calculate(
year, month, day, hour, minute, second, timezone,
latitude, longitude, elevation, pressure, temperature,
slope, azm_rotation, refraction
);
spa_free_result(resultPtr);
resolve(result);
const result = {
zenith: spaModule.getValue(resultPtr, 'double'),
azimuth: spaModule.getValue(resultPtr + 8, 'double'),
incidence: spaModule.getValue(resultPtr + 16, 'double'),
sunrise: spaModule.getValue(resultPtr + 24, 'double'),
sunset: spaModule.getValue(resultPtr + 32, 'double'),
solar_noon: spaModule.getValue(resultPtr + 40, 'double'),
sun_transit_alt: spaModule.getValue(resultPtr + 48, 'double'),
};
spa_free_result(resultPtr);
resolve(result);
});
};