1 | "use strict";
|
2 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
|
3 | function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
|
4 | return new (P || (P = Promise))(function (resolve, reject) {
|
5 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
|
6 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
|
7 | function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
|
8 | step((generator = generator.apply(thisArg, _arguments || [])).next());
|
9 | });
|
10 | };
|
11 | Object.defineProperty(exports, "__esModule", { value: true });
|
12 | const mri = require("mri");
|
13 | const os = require("os");
|
14 | const parameters_1 = require("./parameters");
|
15 | const ParserErrors_1 = require("./ParserErrors");
|
16 | const program_1 = require("./program");
|
17 | const utils_1 = require("./utils");
|
18 | class Parser {
|
19 | constructor(argv = process.argv, commandPackageDefinition, runHandler, errorHandler, promptHandler, version, internalOptions = [], showPrompts = false) {
|
20 | this.argv = argv;
|
21 | this.runHandler = runHandler;
|
22 | this.errorHandler = errorHandler;
|
23 | this.promptHandler = promptHandler;
|
24 | this.version = version;
|
25 | this.internalOptions = internalOptions;
|
26 | this.showPrompts = showPrompts;
|
27 | this._definitionsMap = new Map();
|
28 | this._argVals = [];
|
29 | this._optionVals = {};
|
30 | this._passedOptions = [];
|
31 | this._parserErrors = new ParserErrors_1.ParserErrors();
|
32 | this.findCommandDefinition = (name) => {
|
33 | let cmdDef = this._definitionsMap.get(name);
|
34 | if (!cmdDef) {
|
35 |
|
36 | const cmdDefs = Array.from(this._definitionsMap.values());
|
37 | cmdDef = cmdDefs.find(d => utils_1.dashCase(d.name).toLowerCase() === name.toLowerCase() || d.name.toLowerCase() === name.toLowerCase());
|
38 | }
|
39 | return cmdDef;
|
40 | };
|
41 | this.parseCommandLine = () => {
|
42 | let offset = 2;
|
43 |
|
44 | this._definitionOptions = this.internalOptions.concat(this._commandPackage.options || []);
|
45 | let parsedMri = mri(this.argv.slice(offset), utils_1.getOptionsMriOpts(this._definitionOptions));
|
46 |
|
47 | let tryName;
|
48 | let name = '';
|
49 | let i = 1;
|
50 | const len = parsedMri._.length + 1;
|
51 | for (; i < len; i++) {
|
52 | tryName = parsedMri._.slice(0, i).join(' ');
|
53 |
|
54 | if (this.findCommandDefinition(tryName)) {
|
55 | name = tryName;
|
56 | offset = i + 2;
|
57 | }
|
58 | }
|
59 | let cmdDef = this.findCommandDefinition(name);
|
60 | if (!cmdDef) {
|
61 | if (name) {
|
62 | this.pushError('command', `Unknown Command: '${name}'`);
|
63 | }
|
64 | else if (this._commandPackage.defaultCommandName) {
|
65 | cmdDef = this._definitionsMap.get(this._commandPackage.defaultCommandName);
|
66 | }
|
67 | else if (this._commandPackage.commands.length > 0) {
|
68 | this.pushError('command', `No Command Specified`);
|
69 | }
|
70 | }
|
71 |
|
72 | const rawPassedOptions = Object.keys(parsedMri).filter(v => v !== '_');
|
73 |
|
74 | if (cmdDef) {
|
75 | this._definitionOptions.push(...(cmdDef.options || []));
|
76 | parsedMri = mri(this.argv.slice(offset), utils_1.getOptionsMriOpts(this._definitionOptions));
|
77 | this._argVals = parsedMri._;
|
78 | this._parsedCommand.command = cmdDef;
|
79 | this._parsedCommand.parsedCommandName = name;
|
80 | }
|
81 | this._passedOptions = utils_1.passedOptionsToNames(rawPassedOptions, this._definitionOptions);
|
82 |
|
83 | this._optionVals = Object.keys(parsedMri)
|
84 | .filter(v => v !== '_')
|
85 | .reduce((prev, curr) => {
|
86 | prev[curr] = parsedMri[curr];
|
87 | return prev;
|
88 | }, {});
|
89 |
|
90 | this._parsedCommand.optionDefinitions = this._definitionOptions.reduce((prev, curr) => {
|
91 | prev[curr.name] = curr;
|
92 | return prev;
|
93 | }, {});
|
94 | };
|
95 | this.parseArgs = () => {
|
96 | const cmd = this.parsedCommand.command;
|
97 | const defArgs = cmd ? cmd.arguments || [] : [];
|
98 | const requiredDefArgs = defArgs.filter(a => !a.isOptional);
|
99 | const isVariadic = defArgs.length > 0 && defArgs[defArgs.length - 1].isVariadic;
|
100 |
|
101 | if (this._argVals.length > defArgs.length && !isVariadic) {
|
102 | this.pushError('argument', `Too many Arguments`);
|
103 | }
|
104 |
|
105 | if (this._argVals.length < requiredDefArgs.length) {
|
106 |
|
107 | if (!this.getParsedOptionCommandName()) {
|
108 | this.pushError('argument', `Insufficient arguments`);
|
109 | }
|
110 | }
|
111 | const parsedArgs = {};
|
112 | const validateArg = (val, arg) => {
|
113 | const validation = parameters_1.validateCommandDefinitionParameterValue(val, arg);
|
114 | if (validation !== true) {
|
115 | const msg = typeof validation === 'string' ? validation : undefined;
|
116 | this.pushError('argument', `Value for argument '${arg.name}' is invalid${msg ? `: ${msg}` : ''}`);
|
117 | }
|
118 | };
|
119 | let argValIndex = 0;
|
120 |
|
121 | for (const defArg of defArgs) {
|
122 | if (defArg.isVariadic) {
|
123 |
|
124 | const vals = this._argVals.slice(argValIndex).map(a => parameters_1.getCommandDefinitionParameterValue(a, defArg));
|
125 |
|
126 | vals.forEach(v => validateArg(v, defArg));
|
127 | parsedArgs[defArg.name] = Object.assign(Object.assign({}, defArg), { wasPassed: true, value: vals });
|
128 | argValIndex = this._argVals.length;
|
129 | }
|
130 | else if (this._argVals.length > argValIndex) {
|
131 |
|
132 |
|
133 | const val = parameters_1.getCommandDefinitionParameterValue(this._argVals[argValIndex], defArg);
|
134 |
|
135 | validateArg(val, defArg);
|
136 | parsedArgs[defArg.name] = Object.assign(Object.assign({}, defArg), { wasPassed: true, value: val });
|
137 | argValIndex++;
|
138 | }
|
139 | else {
|
140 |
|
141 | parsedArgs[defArg.name] = Object.assign(Object.assign({}, defArg), { wasPassed: false, value: parameters_1.getCommandDefinitionParameterValue(undefined, defArg, false) });
|
142 | argValIndex++;
|
143 | }
|
144 | }
|
145 |
|
146 | const args = Object.keys(parsedArgs).reduce((prev, curr) => {
|
147 | prev[curr] = parsedArgs[curr].value;
|
148 | return prev;
|
149 | }, {});
|
150 | const transformedArgs = utils_1.isFunction(cmd.transformArguments) ? cmd.transformArguments(args) : args;
|
151 |
|
152 | Object.keys(transformedArgs).forEach(ta => {
|
153 | if (parsedArgs[ta]) {
|
154 | parsedArgs[ta].value = transformedArgs[ta];
|
155 | }
|
156 | });
|
157 | this.parsedCommand.parsedArguments = parsedArgs;
|
158 | this.parsedCommand.arguments = transformedArgs;
|
159 | };
|
160 | this.parseOptions = () => {
|
161 | const cmd = this._parsedCommand.command;
|
162 | const dynamicOptions = {};
|
163 | Object.keys(this._optionVals).forEach(o => {
|
164 | if (!this._definitionOptions.find(co => co.name === o || co.flag === o || utils_1.dashCase(co.name) === o)) {
|
165 |
|
166 | if (cmd && cmd.allowDynamicOptions) {
|
167 | dynamicOptions[utils_1.camelCase(o)] = this._optionVals[o];
|
168 | }
|
169 | else {
|
170 | this.pushError('option', `Invalid Option: ${o}`);
|
171 | }
|
172 | }
|
173 | });
|
174 | const parsedOptions = {};
|
175 | this._definitionOptions.forEach(o => {
|
176 | const wasPassed = this._passedOptions.indexOf(o.name) >= 0;
|
177 | parsedOptions[o.name] = Object.assign(Object.assign({}, o), { wasPassed, value: parameters_1.getCommandDefinitionParameterValue(this._optionVals[o.name], o, wasPassed) });
|
178 | if (wasPassed) {
|
179 |
|
180 | if (o.valueType && o.valueType !== 'boolean' && !parsedOptions[o.name].value) {
|
181 | this.pushError('option', `Value for option '${o.name}' not specified`);
|
182 | }
|
183 | else {
|
184 | const validation = parameters_1.validateCommandDefinitionParameterValue(parsedOptions[o.name].value, o);
|
185 | if (validation !== true) {
|
186 | const msg = typeof validation === 'string' ? validation : undefined;
|
187 | this.pushError('option', `Value for option '${o.name}' is invalid${msg ? `: ${msg}` : ''}`);
|
188 | }
|
189 | }
|
190 | }
|
191 | });
|
192 |
|
193 | if (cmd && cmd.allowDynamicOptions) {
|
194 | Object.keys(dynamicOptions).forEach(dyo => {
|
195 | parsedOptions[dyo] = {
|
196 | name: dyo,
|
197 | wasPassed: true,
|
198 | value: dynamicOptions[dyo],
|
199 | };
|
200 | });
|
201 | }
|
202 |
|
203 | const options = Object.keys(parsedOptions).reduce((prev, curr) => {
|
204 | prev[curr] = parsedOptions[curr].value;
|
205 | return prev;
|
206 | }, {});
|
207 | const transformedOptions = cmd
|
208 | ? utils_1.isFunction(cmd.transformOptions)
|
209 | ? cmd.transformOptions(options)
|
210 | : options
|
211 | : options;
|
212 |
|
213 | Object.keys(transformedOptions).forEach(to => {
|
214 | if (parsedOptions[to]) {
|
215 | parsedOptions[to].value = transformedOptions[to];
|
216 | }
|
217 | });
|
218 | this._parsedCommand.parsedOptions = parsedOptions;
|
219 | this._parsedCommand.options = transformedOptions;
|
220 | this._parsedCommand.dynamicOptions = dynamicOptions;
|
221 | };
|
222 | this.pushError = (type, message) => {
|
223 | this._parserErrors.push(type, message);
|
224 | };
|
225 | this.getEnv = () => {
|
226 | const cmd = this.parsedCommand.command;
|
227 | const env = {};
|
228 | if (cmd && cmd.env) {
|
229 | return cmd.env;
|
230 | }
|
231 | return env;
|
232 | };
|
233 | this.parseArgsAndOptions = () => {
|
234 | this.parseOptions();
|
235 | if (this._parsedCommand.command) {
|
236 | this.parseArgs();
|
237 | }
|
238 | };
|
239 | this.getParsedOptionCommandName = () => {
|
240 | const parsed = this._parsedCommand;
|
241 | return Object.keys(parsed.options)
|
242 | .filter(o => typeof parsed.options[o] !== 'undefined')
|
243 | .find(o => !!(parsed.optionDefinitions[o] && parsed.optionDefinitions[o].commandHandler));
|
244 | };
|
245 | this.setProcessEnvFromParsedCommand = () => {
|
246 | Object.keys(this.parsedCommand.env).forEach(k => {
|
247 | process.env[k] = this.parsedCommand.env[k];
|
248 | });
|
249 | };
|
250 | this.promptArgsToArgVals = (promptArgs) => {
|
251 | const cmd = this.parsedCommand.command;
|
252 | const defArgs = cmd ? cmd.arguments || [] : [];
|
253 | const argVals = [];
|
254 |
|
255 | for (const defArg of defArgs) {
|
256 | const promptArgVal = promptArgs[defArg.name];
|
257 | if (defArg.isVariadic) {
|
258 | const promptArgValAry = Array.isArray(promptArgVal) ? promptArgVal : [promptArgVal];
|
259 | argVals.push(...promptArgValAry);
|
260 | }
|
261 | else {
|
262 | argVals.push(promptArgVal);
|
263 | }
|
264 | }
|
265 | return argVals;
|
266 | };
|
267 | this.runAndParsePrompt = () => __awaiter(this, void 0, void 0, function* () {
|
268 | if (this.showPrompts) {
|
269 | const parsedCommand = this._parsedCommand;
|
270 |
|
271 | const promptResult = yield this.promptHandler(parsedCommand);
|
272 |
|
273 | this._parserErrors.clearErrors('argument');
|
274 | this._parserErrors.clearErrors('option');
|
275 |
|
276 | this._argVals = this.promptArgsToArgVals(promptResult.arguments);
|
277 |
|
278 | this._optionVals = promptResult.options;
|
279 |
|
280 | this.parseArgsAndOptions();
|
281 | }
|
282 | });
|
283 | this.runner = () => __awaiter(this, void 0, void 0, function* () {
|
284 | const parsedCommand = this._parsedCommand;
|
285 |
|
286 | const commandOption = this.getParsedOptionCommandName();
|
287 | let exitCode;
|
288 | if (commandOption) {
|
289 |
|
290 | const commandOptionHandler = parsedCommand.optionDefinitions[commandOption].commandHandler;
|
291 | exitCode = yield Promise.resolve(commandOptionHandler(parsedCommand));
|
292 | }
|
293 | else {
|
294 |
|
295 | Object.keys(parsedCommand.options)
|
296 | .filter(o => !!(parsedCommand.optionDefinitions[o] && parsedCommand.optionDefinitions[o].commandHandler))
|
297 | .forEach(o => {
|
298 | delete parsedCommand.options[o];
|
299 | });
|
300 | yield this.runAndParsePrompt();
|
301 | if (parsedCommand.errors.hasErrors) {
|
302 |
|
303 | exitCode = (yield Promise.resolve(this.errorHandler(parsedCommand))) || 1;
|
304 | }
|
305 | else {
|
306 |
|
307 | this.setProcessEnvFromParsedCommand();
|
308 |
|
309 | exitCode = yield this.runHandler(parsedCommand);
|
310 | }
|
311 | }
|
312 | return {
|
313 | parsedCommand,
|
314 | exitCode: typeof exitCode === 'number' ? exitCode : 0,
|
315 | };
|
316 | });
|
317 | this._commandPackage = program_1.CliProgram.create(commandPackageDefinition, internalOptions);
|
318 | if (this._commandPackage.validationErrors.length > 0) {
|
319 | throw new Error(`Invalid Command Definition: ${this._commandPackage.validationErrors.join(os.EOL)}`);
|
320 | }
|
321 | this._definitionsMap = this._commandPackage.commandsMap;
|
322 | }
|
323 | get parsedCommand() {
|
324 | if (!this._parsedCommand) {
|
325 | this._parsedCommand = {};
|
326 | this._parsedCommand.errors = this._parserErrors;
|
327 | this._parsedCommand.program = this._commandPackage;
|
328 | this._parsedCommand.run = this.runner;
|
329 | this._parsedCommand.version = this.version;
|
330 | this.parseCommandLine();
|
331 | this.parseArgsAndOptions();
|
332 | this._parsedCommand.env = this.getEnv();
|
333 | }
|
334 | return this._parsedCommand;
|
335 | }
|
336 | }
|
337 | exports.Parser = Parser;
|
338 |
|
\ | No newline at end of file |