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Bug fix

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This commit is contained in:
Ali Camarata 2023-04-04 21:01:46 -04:00
parent 4dc4b3004c
commit e0faeadcde
3 changed files with 53 additions and 57 deletions
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.DS_Store vendored
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2
package.json
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@ -1,6 +1,6 @@
{ {
"name": "solar-spa", "name": "solar-spa",
"version": "1.2.2", "version": "1.2.3",
"description": "NREL Solar Position Algorithm (SPA) in WebAssembly", "description": "NREL Solar Position Algorithm (SPA) in WebAssembly",
"main": "solar-spa.js", "main": "solar-spa.js",
"types": "index.d.ts", "types": "index.d.ts",

108
solar-spa.js
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@ -1,10 +1,4 @@
const spaModule = require('./spa.js'); const spaModuleFactory = require('./spa.js');
let isRuntimeInitialized = false;
spaModule.onRuntimeInitialized = function () {
isRuntimeInitialized = true;
};
module.exports = function spa( module.exports = function spa(
date, date,
@ -16,55 +10,57 @@ module.exports = function spa(
refraction = 0.5667 refraction = 0.5667
) { ) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
if (!isRuntimeInitialized) { const spaModule = spaModuleFactory({
reject(new Error('Emscripten runtime is not initialized.')); onRuntimeInitialized: () => {
return; 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 spa_free_result = spaModule.cwrap(
'spa_free_result',
null,
['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 resultPtr = spa_calculate(
year, month, day, hour, minute, second, timezone,
latitude, longitude, elevation, pressure, temperature,
slope, azm_rotation, refraction
);
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);
},
});
if (spaModule.calledRun) {
spaModule.onRuntimeInitialized();
} }
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 spa_free_result = spaModule.cwrap(
'spa_free_result',
null,
['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 resultPtr = spa_calculate(
year, month, day, hour, minute, second, timezone,
latitude, longitude, elevation, pressure, temperature,
slope, azm_rotation, refraction
);
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);
}); });
}; };