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Move makeEnum to its own module so it can be reused elsewhere.

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This commit is contained in:
Paul Holden 2023-10-23 08:26:44 +01:00
parent 33ebe8bbf1
commit 6d10f003b2
2 changed files with 22 additions and 20 deletions
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21
src/enum.js Normal file
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@ -0,0 +1,21 @@
import { toString32 } from "./format.js";
/**
* Adds a nameOf function to the provided Object so that we can easily find the
* name for a given value. e.g.:
* var name = Foo.nameOf(fooValue);
* @param {!Object<string, number>} values
* @return {!Object<string, number>}
*/
export function makeEnum(values) {
values.nameOf = value => {
for (let name in values) {
if (Object.prototype.hasOwnProperty.call(values, name) && values[name] === value) {
return name;
}
}
return toString32(value);
};
return Object.freeze(values);
}

21
src/hle/gbi.js
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@ -1,3 +1,4 @@
import { makeEnum } from '../enum.js';
import * as format from '../format.js';
export const RenderMode = {
@ -347,26 +348,6 @@ export function getGeometryModeFlagsText(flags, data) {
return t.length > 0 ? t.substr(1) : '0';
}
/**
* Adds a nameOf function to the provided Object so that we can easily find the
* name for a given value. e.g.:
* var name = gbi.Foo.nameOf(fooValue);
* @param {!Object<string, number>} values
* @return {!Object<string, number>}
*/
function makeEnum(values) {
values.nameOf = (value) => {
for (var name in values) {
if (Object.prototype.hasOwnProperty.call(values, name) && values[name] === value) {
return name;
}
}
return format.toString32(value);
};
return Object.freeze(values);
}
export const ImageFormat = makeEnum({
G_IM_FMT_RGBA: 0,
G_IM_FMT_YUV: 1,