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@terrazzo/parser

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Parser/validator for the Design Tokens Community Group (DTCG) standard.

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import { getObjMember } from '@terrazzo/json-schema-tools'; import { BORDER_REQUIRED_PROPERTIES } from '@terrazzo/token-tools'; import { docsLink } from '../lib/docs.js'; export const VALID_BORDER = 'core/valid-border'; const ERROR = 'ERROR'; const ERROR_INVALID_PROP = 'ERROR_INVALID_PROP'; const rule = { meta: { messages: { [ERROR]: `Border token missing required properties: ${new Intl.ListFormat('en-us', { type: 'conjunction' }).format(BORDER_REQUIRED_PROPERTIES)}.`, [ERROR_INVALID_PROP]: 'Unknown property: {{ key }}.', }, docs: { description: 'Require border tokens to follow the format.', url: docsLink(VALID_BORDER), }, }, defaultOptions: {}, create({ tokens, report }) { for (const t of Object.values(tokens)) { if (t.aliasOf || !t.originalValue || t.$type !== 'border') { continue; } validateBorder(t.originalValue.$value, { node: getObjMember(t.source.node, '$value'), filename: t.source.filename, report, }); } }, }; // Note: we validate sub-properties using other checks like valid-dimension, valid-font-family, etc. // The only thing remaining is to check that all properties exist (since missing properties won’t appear as invalid) function validateBorder(value, { node, filename, report, }) { if (!value || typeof value !== 'object' || !BORDER_REQUIRED_PROPERTIES.every((property) => property in value)) { report({ filename, messageId: ERROR, node }); } else { for (const key of Object.keys(value)) { if (!BORDER_REQUIRED_PROPERTIES.includes(key)) { report({ messageId: ERROR_INVALID_PROP, data: { key: JSON.stringify(key) }, node: getObjMember(node, key) ?? node, filename, }); } } } } export default rule; //# sourceMappingURL=valid-border.js.map