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joplin/CliClient/app/base-command.js
2018-02-19 18:36:31 +00:00

99 lines
1.5 KiB
JavaScript

const { _ } = require('lib/locale.js');
const { reg } = require('lib/registry.js');
class BaseCommand {
constructor() {
this.stdout_ = null;
this.prompt_ = null;
}
usage() {
throw new Error('Usage not defined');
}
encryptionCheck(item) {
if (item && item.encryption_applied) throw new Error(_('Cannot change encrypted item'));
}
description() {
throw new Error('Description not defined');
}
async action(args) {
throw new Error('Action not defined');
}
compatibleUis() {
return ['cli', 'gui'];
}
supportsUi(ui) {
return this.compatibleUis().indexOf(ui) >= 0;
}
options() {
return [];
}
hidden() {
return false;
}
enabled() {
return true;
}
cancellable() {
return false;
}
async cancel() {}
name() {
let r = this.usage().split(' ');
return r[0];
}
setDispatcher(fn) {
this.dispatcher_ = fn;
}
dispatch(action) {
if (!this.dispatcher_) throw new Error('Dispatcher not defined');
return this.dispatcher_(action);
}
setStdout(fn) {
this.stdout_ = fn;
}
stdout(text) {
if (this.stdout_) this.stdout_(text);
}
setPrompt(fn) {
this.prompt_ = fn;
}
async prompt(message, options = null) {
if (!this.prompt_) throw new Error('Prompt is undefined');
return await this.prompt_(message, options);
}
metadata() {
return {
name: this.name(),
usage: this.usage(),
options: this.options(),
hidden: this.hidden(),
};
}
logger() {
return reg.logger();
}
}
module.exports = { BaseCommand };