@terrazzo/plugin-js/dist/build.js

Generate JS, TS, and JSON from your design tokens schema (requires @terrazzo/cli)

import { FILE_HEADER, FORMAT_DTS_ID, FORMAT_JS_ID, TYPE_MAP } from './lib.js';
export function buildJS({ getTransforms }) {
    const output = [FILE_HEADER, ''];
    // gather vals
    const tokenVals = {};
    for (const token of getTransforms({ format: FORMAT_JS_ID, id: '*' })) {
        if (!tokenVals[token.token.id]) {
            tokenVals[token.token.id] = {};
        }
        tokenVals[token.token.id][token.mode] = token.value;
    }
    // body
    output.push('export const tokens = {');
    for (const [id, tokenValue] of Object.entries(tokenVals)) {
        output.push(`  "${id}": {`);
        for (const [mode, modeValue] of Object.entries(tokenValue)) {
            output.push(`    "${mode}": ${modeValue},`);
        }
        output.push('  },');
    }
    output.push('};', '');
    // footer
    output.push(`/** Get individual token */
export function token(tokenID, modeName = ".") {
  return tokens[tokenID]?.[modeName];
}`, '');
    return output.join('\n');
}
export function buildDTS({ getTransforms }) {
    const output = [FILE_HEADER, ''];
    const importDeps = new Set();
    const types = getTransforms({ format: FORMAT_DTS_ID, id: '*', mode: '.' }).map((t) => {
        importDeps.add(TYPE_MAP[t.token.$type]); // collect only necessary types
        if (t.type === 'MULTI_VALUE') {
            const description = t.value.description ? `  /** ${t.value.description} */\n` : '';
            return `${description}  "${t.token.id}": ${t.value.value};`;
        }
        return `"${t.token.id}": ${t.value};`;
    });
    output.push('import type {', ...[...importDeps].sort((a, b) => a.localeCompare(b)).map((dep) => `  ${dep},`), '} from "@terrazzo/parser";', '', 'export declare const tokens: {', ...types, '};', '', `export declare function token<K extends keyof typeof tokens>(tokenID: K, modeName?: never): (typeof tokens)[K]["."];
export declare function token<K extends keyof typeof tokens, M extends keyof (typeof tokens)[K]>(tokenID: K, modeName: M): (typeof tokens)[K][M];`, '');
    return output.join('\n');
}
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