54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
import type { ITiledMapProperty } from "./ITiledMap";
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export class PropertyUtils {
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public static findProperty(
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name: string,
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properties: ITiledMapProperty[] | undefined
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): string | boolean | number | undefined {
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return properties?.find((property) => property.name === name)?.value;
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}
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public static findBooleanProperty(
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name: string,
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properties: ITiledMapProperty[] | undefined,
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context?: string
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): boolean | undefined {
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const property = PropertyUtils.findProperty(name, properties);
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if (property === undefined) {
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return undefined;
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}
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if (typeof property !== "boolean") {
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throw new Error(
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'Expected property "' + name + '" to be a boolean. ' + (context ? " (" + context + ")" : "")
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);
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}
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return property;
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}
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public static mustFindProperty(
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name: string,
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properties: ITiledMapProperty[] | undefined,
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context?: string
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): string | boolean | number {
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const property = PropertyUtils.findProperty(name, properties);
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if (property === undefined) {
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throw new Error('Could not find property "' + name + '"' + (context ? " (" + context + ")" : ""));
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}
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return property;
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}
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public static mustFindStringProperty(
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name: string,
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properties: ITiledMapProperty[] | undefined,
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context?: string
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): string {
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const property = PropertyUtils.mustFindProperty(name, properties, context);
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if (typeof property !== "string") {
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throw new Error(
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'Expected property "' + name + '" to be a string. ' + (context ? " (" + context + ")" : "")
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);
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}
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return property;
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}
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}
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