serverless/lib/cli/resolve-input.js
Ikko Ashimine 9a03116899
chore: Fix typo in resolve-input.js (#9554)
intially -> initially
2021-06-07 13:47:24 +02:00

104 lines
3.6 KiB
JavaScript

// CLI params parser, to be used before we have deducted what commands and options are supported in given context
'use strict';
const ensureMap = require('type/map/ensure');
const memoizee = require('memoizee');
const parseArgs = require('./parse-args');
const baseArgsSchema = {
boolean: new Set(['help', 'help-interactive', 'use-local-credentials', 'v', 'version']),
string: new Set(['app', 'config', 'org', 'stage']),
alias: new Map([
['c', 'config'],
['h', 'help'],
]),
};
const resolveArgsSchema = (commandOptionsSchema) => {
const options = { boolean: new Set(), string: new Set(), alias: new Map(), multiple: new Set() };
for (const [name, optionSchema] of Object.entries(commandOptionsSchema)) {
switch (optionSchema.type) {
case 'boolean':
options.boolean.add(name);
break;
case 'multiple':
options.multiple.add(name);
break;
case 'string':
options.string.add(name);
break;
default:
}
if (optionSchema.shortcut) options.alias.set(optionSchema.shortcut, name);
}
return options;
};
module.exports = memoizee((commandsSchema = require('./commands-schema')) => {
commandsSchema = ensureMap(commandsSchema);
const args = process.argv.slice(2);
// Ideally no options should be passed before command (to know what options are supported,
// and whether they're boolean or not, we need to know command name upfront).
// Still so far we (kind of) supported such notation and we need to maintain it in current major.
// Thefore at first resolution stage we use schema that recognizes just some popular options
let options = parseArgs(args, baseArgsSchema);
let commands = options._;
delete options._;
let command = commands.join(' ');
// Having command potentially resolved, resolve options again with help of the command schema
let commandSchema = commandsSchema.get(command);
while (commandSchema) {
const resolvedOptions = parseArgs(args, resolveArgsSchema(commandSchema.options));
const resolvedCommand = resolvedOptions._.join(' ');
if (resolvedCommand === command) {
options = resolvedOptions;
commands = options._;
delete options._;
break;
}
// Unlikely scenario, where after applying the command schema different command resolves
// It can happen only in cases where e.g. for "sls deploy --force function -f foo"
// we initially assume "deploy" command, while after applying "deploy" command schema it's
// actually a "deploy function" command that resolves
command = resolvedCommand;
commandSchema = commandsSchema.get(resolvedCommand);
}
const result = { commands, options, command, commandSchema, commandsSchema };
if (!commandSchema) {
result.isContainerCommand = Array.from(commandsSchema.keys()).some((commandName) =>
commandName.startsWith(`${command} `)
);
if (result.isContainerCommand) {
result.isHelpRequest = true;
return result;
}
}
if (
(!command && options['help-interactive']) ||
options.help ||
options.version ||
command === 'help'
) {
result.isHelpRequest = true;
return result;
}
const argsString = args.join(' ');
if (command && argsString !== command && !argsString.startsWith(`${command} `)) {
// Some options were passed before command name (e.g. "sls -v deploy"), deprecate such usage
require('../utils/logDeprecation')(
'CLI_OPTIONS_BEFORE_COMMAND',
'"serverless" command options are expected to follow command and not be put before the command.\n' +
'Starting from next major Serverless will no longer support the latter form.'
);
}
return result;
});