40 lines
1.0 KiB
TypeScript
40 lines
1.0 KiB
TypeScript
export abstract class BaseOperation<P extends {}> {
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public abstract get default(): P;
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public parameters: P;
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/**
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* Some GEGL operations will run infinitely unless you limit the buffer in
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* some way, so all operations must indicate whether or not they should be
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* followed by a crop operation.
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*/
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public abstract appendCrop: boolean;
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/** The GEGL operation name, starting with `gegl:`. */
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public abstract name: string;
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constructor(parameters: P) {
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this.parameters = parameters;
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}
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public graph(includeDefaults = false): string[] {
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const defaults = this.default;
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const graph: string[] = [this.name];
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for (const [key, value] of Object.entries(this.parameters)) {
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if (
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!includeDefaults &&
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key in defaults &&
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(defaults as Record<string, any>)[key] === value
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) {
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continue;
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}
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const kebabCasedKey = key.replace(/([A-Z])/g, '-$1').toLowerCase();
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graph.push(`${kebabCasedKey}=${value as string}`);
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}
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return graph;
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}
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}
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