949fac1a7c
This commit applies `strictNullChecks` to the entire codebase to improve maintainability and type safety. Key changes include: - Remove some explicit null-checks where unnecessary. - Add necessary null-checks. - Refactor static factory functions for a more functional approach. - Improve some test names and contexts for better debugging. - Add unit tests for any additional logic introduced. - Refactor `createPositionFromRegexFullMatch` to its own function as the logic is reused. - Prefer `find` prefix on functions that may return `undefined` and `get` prefix for those that always return a value.
39 lines
981 B
TypeScript
39 lines
981 B
TypeScript
import { INodeDataErrorContext, NodeDataError } from './NodeDataError';
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import { NodeData } from './NodeData';
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export class NodeValidator {
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constructor(private readonly context: INodeDataErrorContext) {
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}
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public assertValidName(nameValue: string) {
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return this
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.assert(
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() => Boolean(nameValue),
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'missing name',
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)
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.assert(
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() => typeof nameValue === 'string',
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`Name (${JSON.stringify(nameValue)}) is not a string but ${typeof nameValue}.`,
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);
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}
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public assertDefined(node: NodeData) {
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return this.assert(
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() => node !== undefined && node !== null && Object.keys(node).length > 0,
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'missing node data',
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);
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}
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public assert(validationPredicate: () => boolean, errorMessage: string) {
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if (!validationPredicate()) {
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this.throw(errorMessage);
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}
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return this;
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}
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public throw(errorMessage: string): never {
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throw new NodeDataError(errorMessage, this.context);
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}
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}
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