| 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", { value: true });
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| 4 | const tslib_1 = require("tslib");
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| 5 | const chalk_1 = tslib_1.__importDefault(require("chalk"));
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| 6 | const supportsColor = tslib_1.__importStar(require("supports-color"));
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| 7 | const deps_1 = tslib_1.__importDefault(require("../deps"));
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| 8 | const base_1 = require("./base");
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| 9 | const spinners = require('./spinners');
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| 10 | function color(s) {
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| 11 | if (!supportsColor)
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| 12 | return s;
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| 13 | let has256 = supportsColor.stdout.has256 || (process.env.TERM || '').indexOf('256') !== -1;
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| 14 | return has256 ? `\u001b[38;5;104m${s}${deps_1.default.ansiStyles.reset.open}` : chalk_1.default.magenta(s);
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| 15 | }
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| 16 | class SpinnerAction extends base_1.ActionBase {
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| 17 | constructor() {
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| 18 | super();
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| 19 | this.type = 'spinner';
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| 20 | this.frames = spinners[process.platform === 'win32' ? 'line' : 'dots2'].frames;
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| 21 | this.frameIndex = 0;
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| 22 | }
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| 23 | _start() {
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| 24 | this._reset();
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| 25 | if (this.spinner)
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| 26 | clearInterval(this.spinner);
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| 27 | this._render();
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| 28 | let interval = (this.spinner = setInterval(icon => this._render.bind(this)(icon), process.platform === 'win32' ? 500 : 100, 'spinner'));
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| 29 | interval.unref();
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| 30 | }
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| 31 | _stop(status) {
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| 32 | if (this.task)
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| 33 | this.task.status = status;
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| 34 | if (this.spinner)
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| 35 | clearInterval(this.spinner);
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| 36 | this._render();
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| 37 | this.output = undefined;
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| 38 | }
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| 39 | _pause(icon) {
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| 40 | if (this.spinner)
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| 41 | clearInterval(this.spinner);
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| 42 | this._reset();
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| 43 | if (icon)
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| 44 | this._render(` ${icon}`);
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| 45 | this.output = undefined;
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| 46 | }
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| 47 | _frame() {
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| 48 | let frame = this.frames[this.frameIndex];
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| 49 | this.frameIndex = ++this.frameIndex % this.frames.length;
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| 50 | return color(frame);
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| 51 | }
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| 52 | _render(icon) {
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| 53 | const task = this.task;
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| 54 | if (!task)
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| 55 | return;
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| 56 | this._reset();
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| 57 | this._flushStdout();
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| 58 | let frame = icon === 'spinner' ? ` ${this._frame()}` : icon || '';
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| 59 | let status = task.status ? ` ${task.status}` : '';
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| 60 | this.output = `${task.action}...${frame}${status}\n`;
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| 61 | this._write(this.std, this.output);
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| 62 | }
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| 63 | _reset() {
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| 64 | if (!this.output)
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| 65 | return;
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| 66 | let lines = this._lines(this.output);
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| 67 | this._write(this.std, deps_1.default.ansiEscapes.cursorLeft + deps_1.default.ansiEscapes.cursorUp(lines) + deps_1.default.ansiEscapes.eraseDown);
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| 68 | this.output = undefined;
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| 69 | }
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| 70 | _lines(s) {
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| 71 | return deps_1.default
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| 72 | .stripAnsi(s)
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| 73 | .split('\n')
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| 74 | .map(l => Math.ceil(l.length / deps_1.default.screen.errtermwidth))
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| 75 | .reduce((c, i) => c + i, 0);
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| 76 | }
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| 77 | }
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| 78 | exports.default = SpinnerAction;
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