| 12 | } |
| 13 | |
| 14 | load () { |
| 15 | let stdlib = this.stdlib; |
| 16 | let transformers = []; |
| 17 | if (stdlib.transformers) { |
| 18 | if (!Array.isArray(stdlib.transformers)) { |
| 19 | throw new Error(`"stdlib.json": "transformers" must be an array`); |
| 20 | } |
| 21 | transformers = stdlib.transformers.map(transformerData => { |
| 22 | let Transformer; |
| 23 | let transformer; |
| 24 | if (!transformerData.pathname) { |
| 25 | throw new Error(`"stdlib.json": "transformers" object must contain "pathname"`); |
| 26 | } |
| 27 | try { |
| 28 | Transformer = require(path.join(process.cwd(), transformerData.pathname)); |
| 29 | let config = transformerData.config || {}; |
| 30 | if (!config || typeof config !== 'object') { |
| 31 | throw new Error(`"stdlib.json": "transformers[].config" must be empty or contain an object`); |
| 32 | } |
| 33 | let configEnv = config[this.environment] || {}; |
| 34 | if (!config[this.environment] || typeof config[this.environment] !== 'object') { |
| 35 | throw new Error(`"stdlib.json": "transformers[].config['${this.environment}']" must be empty or contain an object`); |
| 36 | } |
| 37 | transformer = new Transformer(config[this.environment], stdlib, this.environment); |
| 38 | transformer.config = transformerData.config[this.environment]; |
| 39 | } catch (e) { |
| 40 | console.error(e); |
| 41 | throw new Error(`Could not load transformer: "${transformerData.pathname}"`); |
| 42 | } |
| 43 | return transformer; |
| 44 | }); |
| 45 | } |
| 46 | return this.list = transformers; |
| 47 | } |
| 48 | |
| 49 | async compile () { |
| 50 | let preloadFiles = {}; |