36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
import type { JSONSchemaType } from 'ajv/dist/2019.js';
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import type { MermaidConfig } from '../packages/mermaid/src/config.type.js';
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import { readFile } from 'node:fs/promises';
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import { getDefaults, getSchema, loadSchema } from '../.build/jsonSchema.js';
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/**
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* ESBuild plugin that handles JSON Schemas saved as a `.schema.yaml` file.
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*
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* Use `my-example.schema.yaml?only-defaults=true` to only load the default values.
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*/
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export const jsonSchemaPlugin = {
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name: 'json-schema-plugin',
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setup(build) {
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let schema: JSONSchemaType<MermaidConfig> | undefined = undefined;
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let content = '';
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build.onLoad({ filter: /config\.schema\.yaml$/ }, async (args) => {
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// Load the file from the file system
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const source = await readFile(args.path, 'utf8');
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const resolvedSchema: JSONSchemaType<MermaidConfig> =
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content === source && schema ? schema : loadSchema(source, args.path);
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if (content !== source) {
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content = source;
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schema = resolvedSchema;
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}
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const contents = args.suffix.includes('only-defaults')
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? getDefaults(resolvedSchema)
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: getSchema(resolvedSchema);
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return { contents, warnings: [] };
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});
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},
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};
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export default jsonSchemaPlugin;
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