introduce CLI aliases

src/__tests__/unit/config/strings.test.ts

@@ -19,7 +19,7 @@ describe('config/strings: ', () => {
     it('successfully injects path into message.', () => {
       const path = 'mock/path';
       const expectedMessage = `
-[!important] You are using plugin ${path} which is not part of the Impact Framework standard library. You should do your own research to ensure the plugins are up to date and accurate. They may not be actively maintained.`;
+You are using plugin ${path} which is not part of the Impact Framework standard library. You should do your own research to ensure the plugins are up to date and accurate. They may not be actively maintained.`;
 
       expect(NOT_NATIVE_PLUGIN(path)).toEqual(expectedMessage);
     });

src/__tests__/unit/util/args.test.ts

@@ -51,16 +51,12 @@ import path = require('path');
 import {parseArgs} from '../../../util/args';
 import {ERRORS} from '../../../util/errors';
 
-import {STRINGS, CONFIG} from '../../../config';
-const {impact} = CONFIG;
-const {HELP} = impact;
+import {STRINGS} from '../../../config';
 
 const {CliInputError} = ERRORS;
 
 const {MANIFEST_IS_MISSING, FILE_IS_NOT_YAML} = STRINGS;
 
-const info = jest.spyOn(console, 'info').mockImplementation(() => {});
-
 describe('util/args: ', () => {
   const originalEnv = process.env;
 
@@ -143,17 +139,6 @@ describe('util/args: ', () => {
       expect(result).toEqual(expectedResult);
     });
 
-    it('returns manifest with help.', () => {
-      expect.assertions(2);
-
-      process.env.result = 'help';
-
-      const result = parseArgs();
-
-      expect(info).toHaveBeenCalledWith(HELP);
-      expect(result).toBeUndefined();
-    });
-
     it('returns manifest and output path.', () => {
       expect.assertions(1);
 

src/config/config.ts

@@ -1,71 +1,54 @@
-import {ArgumentConfig} from 'ts-command-line-args';
+import {ArgumentConfig, ParseOptions} from 'ts-command-line-args';
+
+import {STRINGS} from './strings';
 
 import {ManifestProcessArgs} from '../types/process-args';
 
+const {DISCLAIMER_MESSAGE} = STRINGS;
+
 export const CONFIG = {
-  impact: {
+  IE: {
     ARGS: {
       manifest: {
         type: String,
         optional: true,
-        alias: 'i',
-        description: 'Path to an input manifest file.',
+        alias: 'm',
+        description: '[path to the input file]',
       },
       output: {
         type: String,
         optional: true,
-        description:
-          'Path to the output file where the results as saved, if none is provided it prints to stdout.',
+        alias: 'o',
+        description: '[path to the output file]',
       },
       'override-params': {
         type: String,
         optional: true,
-        description: 'Path to a parameter file that overrides our defaults.',
-      },
-      format: {
-        type: String,
-        optional: true,
-        description:
-          'The output file format. default to yaml but if csv is specified then it formats the outputs as a csv file for loading into another program.',
-        defaultValue: 'yaml',
-      },
-      verbose: {
-        type: Boolean,
-        optional: true,
-        description:
-          'How much information to output about the calculation to aid investigation and debugging.',
+        alias: 'p',
+        description: '[path to a parameter file that overrides our defaults]',
       },
       stdout: {
         type: Boolean,
         optional: true,
-        description: 'Prints output to the console.',
+        alias: 's',
+        description: '[prints out to the console]',
       },
       help: {
         type: Boolean,
         optional: true,
         alias: 'h',
-        description: 'Prints this usage guide.',
+        description: '[prints out the above help instruction]',
       },
     } as ArgumentConfig<ManifestProcessArgs>,
-    HELP: `impact 
-  -manifest [path to the input file]
-  -output [path to the output file]
-  -format [yaml|csv] 
-  -verbose
-  --stdout
-  -help 
-  manifest: path to an input manifest
-  output: path to the output file where the results as saved, if none is provided it prints to stdout.
-  format: the output file format. default to yaml but if csv is specified then it formats the outputs as a csv file for loading into another program.
-  verbose: how much information to output about the calculation to aid investigation and debugging.
-  help: prints out the above help instruction.
-  stdout: Prints output to the console.
-  `,
-    NO_OUTPUT: `
-You have not selected an output method. To see your output data, you can choose from:
---stdout: this will print your output data to the console
---output <savepath>: this will save your output data to the given filepath (do not provide file extension)
-Note that for the '--output' option you also need to define the output type in your manifest file. See https://if.greensoftware.foundation/major-concepts/manifest-file#initialize`,
+    HELP: {
+      helpArg: 'help',
+      headerContentSections: [
+        {header: 'Impact Framework', content: 'Helpful keywords:'},
+      ],
+      footerContentSections: [
+        {header: 'Green Software Foundation', content: DISCLAIMER_MESSAGE},
+      ],
+    } as ParseOptions<any>,
   },
   GITHUB_PATH: 'https://github.com',
   NATIVE_PLUGIN: 'if-plugins',

src/config/strings.ts

@@ -10,13 +10,13 @@ export const STRINGS = {
   OVERRIDE_WARNING:
     '\n**WARNING**: You are overriding the IF default parameters file. Please be extremely careful of unintended side-effects in your plugin pipeline!\n',
   DISCLAIMER_MESSAGE: `
-[!important] Incubation Project
+Incubation Project
 
 This project is an incubation project being run inside the Green Software Foundation; as such, we DON’T recommend using it in any critical use case. 
 Incubation projects are experimental, offer no support guarantee, have minimal governance and process, and may be retired at any moment. This project may one day graduate, in which case this disclaimer will be removed.`,
   NOT_NATIVE_PLUGIN: (path: string) =>
     `
-[!important] You are using plugin ${path} which is not part of the Impact Framework standard library. You should do your own research to ensure the plugins are up to date and accurate. They may not be actively maintained.`,
+You are using plugin ${path} which is not part of the Impact Framework standard library. You should do your own research to ensure the plugins are up to date and accurate. They may not be actively maintained.`,
   SOMETHING_WRONG: 'Something wrong with cli arguments. Please check docs.',
   ISSUE_TEMPLATE: `
 Impact Framework is an alpha release from the Green Software Foundation and is released to capture early feedback. If you'd like to offer some feedback, please use this issue template: 
@@ -47,4 +47,9 @@ https://github.com/Green-Software-Foundation/if/issues/new?assignees=&labels=fee
     `Unknown parameter: ${name}. Using 'sum' aggregation method.`,
   NOT_INITALIZED_PLUGIN: (name: string) =>
     `Not initalized plugin: ${name}. Check if ${name} is in 'manifest.initalize.plugins'.`,
+  NO_OUTPUT: `
+You have not selected an output method. To see your output data, you can choose from:
+--stdout: this will print your output data to the console
+--output <savepath>: this will save your output data to the given filepath (do not provide file extension)
+Note that for the '--output' option you also need to define the output type in your manifest file. See https://if.greensoftware.foundation/major-concepts/manifest-file#initialize`,
 };

src/index.ts

@@ -18,22 +18,16 @@ const {DISCLAIMER_MESSAGE} = STRINGS;
 const impactEngine = async () => {
   const options = parseArgs();
 
-  if (!options) {
-    return;
-  }
-
   logger.info(DISCLAIMER_MESSAGE);
   const {inputPath, paramPath, outputOptions} = options;
 
-  const {tree, rawContext, parameters} = await load(inputPath!, paramPath);
+  const {tree, rawContext, parameters} = await load(inputPath, paramPath);
   const context = await injectEnvironment(rawContext);
   parameterize.combine(context.params, parameters);
   const pluginStorage = await initalize(context.initialize.plugins);
   const computedTree = await compute(tree, {context, pluginStorage});
   const aggregatedTree = aggregate(computedTree, context.aggregation);
   exhaust(aggregatedTree, context, outputOptions);
-
-  return;
 };
 
 impactEngine().catch(andHandle);

src/types/process-args.ts

@@ -2,7 +2,6 @@ export interface ManifestProcessArgs {
   manifest?: string;
   output?: string;
   'override-params'?: string;
-  help?: boolean;
   stdout?: boolean;
 }
 
@@ -12,7 +11,7 @@ export interface Options {
 }
 
 export interface ProcessArgsOutputs {
-  inputPath?: string;
+  inputPath: string;
   outputOptions: {
     outputPath?: string;
     stdout?: boolean;

src/util/args.ts

@@ -11,17 +11,17 @@ import {ManifestProcessArgs, ProcessArgsOutputs} from '../types/process-args';
 
 const {CliInputError} = ERRORS;
 
-const {impact} = CONFIG;
-const {ARGS, HELP, NO_OUTPUT} = impact;
+const {IE} = CONFIG;
+const {ARGS, HELP} = IE;
 
-const {FILE_IS_NOT_YAML, MANIFEST_IS_MISSING} = STRINGS;
+const {FILE_IS_NOT_YAML, MANIFEST_IS_MISSING, NO_OUTPUT} = STRINGS;
 
 /**
  * Validates process arguments
  */
 const validateAndParseProcessArgs = () => {
   try {
-    return parse<ManifestProcessArgs>(ARGS);
+    return parse<ManifestProcessArgs>(ARGS, HELP);
   } catch (error) {
     if (error instanceof Error) {
       throw new CliInputError(error.message);
@@ -52,20 +52,14 @@ const prependFullFilePath = (filePath: string) => {
  *    If it is, then returns object containing full path.
  * 4. If params are missing or invalid, then rejects with `CliInputError`.
  */
-export const parseArgs = (): ProcessArgsOutputs | undefined => {
+export const parseArgs = (): ProcessArgsOutputs => {
   const {
     manifest,
     output,
     'override-params': overrideParams,
-    help,
     stdout,
   } = validateAndParseProcessArgs();
 
-  if (help) {
-    console.info(HELP);
-    return;
-  }
-
   if (!output && !stdout) {
     logger.warn(NO_OUTPUT);
   }