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-rw-r--r--node_modules/prompts/lib/elements/prompt.js68
1 files changed, 68 insertions, 0 deletions
diff --git a/node_modules/prompts/lib/elements/prompt.js b/node_modules/prompts/lib/elements/prompt.js
new file mode 100644
index 0000000..b793330
--- /dev/null
+++ b/node_modules/prompts/lib/elements/prompt.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const readline = require('readline');
+const { action } = require('../util');
+const EventEmitter = require('events');
+const { beep, cursor } = require('sisteransi');
+const color = require('kleur');
+
+/**
+ * Base prompt skeleton
+ * @param {Stream} [opts.stdin] The Readable stream to listen to
+ * @param {Stream} [opts.stdout] The Writable stream to write readline data to
+ */
+class Prompt extends EventEmitter {
+ constructor(opts={}) {
+ super();
+
+ this.firstRender = true;
+ this.in = opts.stdin || process.stdin;
+ this.out = opts.stdout || process.stdout;
+ this.onRender = (opts.onRender || (() => void 0)).bind(this);
+ const rl = readline.createInterface({ input:this.in, escapeCodeTimeout:50 });
+ readline.emitKeypressEvents(this.in, rl);
+
+ if (this.in.isTTY) this.in.setRawMode(true);
+ const isSelect = [ 'SelectPrompt', 'MultiselectPrompt' ].indexOf(this.constructor.name) > -1;
+ const keypress = (str, key) => {
+ let a = action(key, isSelect);
+ if (a === false) {
+ this._ && this._(str, key);
+ } else if (typeof this[a] === 'function') {
+ this[a](key);
+ } else {
+ this.bell();
+ }
+ };
+
+ this.close = () => {
+ this.out.write(cursor.show);
+ this.in.removeListener('keypress', keypress);
+ if (this.in.isTTY) this.in.setRawMode(false);
+ rl.close();
+ this.emit(this.aborted ? 'abort' : this.exited ? 'exit' : 'submit', this.value);
+ this.closed = true;
+ };
+
+ this.in.on('keypress', keypress);
+ }
+
+ fire() {
+ this.emit('state', {
+ value: this.value,
+ aborted: !!this.aborted,
+ exited: !!this.exited
+ });
+ }
+
+ bell() {
+ this.out.write(beep);
+ }
+
+ render() {
+ this.onRender(color);
+ if (this.firstRender) this.firstRender = false;
+ }
+}
+
+module.exports = Prompt;