creevey
Version:
Cross-browser screenshot testing tool for Storybook with fancy UI Runner
126 lines • 6.05 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.SideBySideView = void 0;
const react_1 = __importStar(require("react"));
const components_1 = require("storybook/internal/components");
const theming_1 = require("storybook/theming");
const common_js_1 = require("./common.js");
const helpers_js_1 = require("../../helpers.js");
const Container = theming_1.styled.div({
display: 'flex',
flexWrap: 'nowrap',
alignItems: 'center',
justifyContent: 'center',
height: '100%',
width: '100%',
});
const ImagesLayout = theming_1.styled.div(({ layout }) => ({
display: 'flex',
alignItems: 'flex-start',
justifyContent: 'flex-start',
flexDirection: layout == 'horizontal' ? 'row' : 'column',
'& > :not(:first-of-type)': {
marginLeft: layout == 'horizontal' ? '20px' : 0,
marginTop: layout == 'horizontal' ? 0 : '20px',
},
}));
const ImageLink = theming_1.styled.a({
lineHeight: 0,
flexShrink: 0,
});
const ImageDiffLink = theming_1.styled.a({
lineHeight: 0,
});
const Image = theming_1.styled.img(({ borderColor }) => ({
boxSizing: 'border-box',
border: `1px solid ${borderColor}`,
maxWidth: '100%',
flexShrink: 0,
}));
const DiffImage = (0, theming_1.styled)(Image)({
flexShrink: 1,
});
exports.SideBySideView = (0, theming_1.withTheme)(({ actual, diff, expect, theme }) => {
const [layout, setLayout] = (0, react_1.useState)('horizontal');
const [scale, setScale] = (0, react_1.useState)(1);
const containerRef = (0, react_1.useRef)(null);
const expectImageRef = (0, react_1.useRef)(null);
const diffImageRef = (0, react_1.useRef)(null);
const actualImageRef = (0, react_1.useRef)(null);
const loaded = (0, helpers_js_1.useLoadImages)(expect, diff, actual);
const calcScale = (0, react_1.useCallback)(() => {
const containerElement = containerRef.current;
const expectImage = expectImageRef.current;
const diffImage = diffImageRef.current;
const actualImage = actualImageRef.current;
if (!containerElement || !expectImage || !actualImage || !diffImage || !loaded) {
setScale(1);
return;
}
const borderSize = (0, helpers_js_1.getBorderSize)(diffImage);
if (layout == 'vertical') {
const ratio = (diffImage.getBoundingClientRect().width - borderSize * 2) / diffImage.naturalWidth;
setScale(Math.min(1, ratio));
}
if (layout == 'horizontal') {
const ratio =
// NOTE: 40px because we have two margins by 20px and 6px for borders
(containerElement.getBoundingClientRect().width - 40 - borderSize * 6) /
[expectImage, diffImage, actualImage].map((image) => image.naturalWidth).reduce((a, b) => a + b, 0);
setScale(Math.min(1, ratio));
}
}, [loaded, layout]);
(0, helpers_js_1.useResizeObserver)(containerRef, calcScale);
(0, react_1.useLayoutEffect)(calcScale, [calcScale]);
(0, react_1.useLayoutEffect)(() => {
// TODO Check image height and viewport
const diffImage = diffImageRef.current;
if (!diffImage || !loaded)
return;
const ratio = diffImage.naturalWidth / diffImage.naturalHeight;
setLayout(ratio >= 2 ? 'vertical' : 'horizontal');
}, [loaded]);
(0, helpers_js_1.useApplyScale)(expectImageRef, scale);
(0, helpers_js_1.useApplyScale)(actualImageRef, scale);
return (react_1.default.createElement(Container, { ref: containerRef }, loaded ? (react_1.default.createElement(ImagesLayout, { layout: layout },
react_1.default.createElement(ImageLink, { href: expect, target: "_blank", rel: "noopener noreferrer" },
react_1.default.createElement(Image, { ref: expectImageRef, borderColor: (0, common_js_1.getBorderColor)(theme, common_js_1.themeBorderColors.expect), alt: "expect", src: expect })),
react_1.default.createElement(ImageDiffLink, { href: diff, target: "_blank", rel: "noopener noreferrer" },
react_1.default.createElement(DiffImage, { ref: diffImageRef, borderColor: (0, common_js_1.getBorderColor)(theme, common_js_1.themeBorderColors.diff), alt: "diff", src: diff })),
react_1.default.createElement(ImageLink, { href: actual, target: "_blank", rel: "noopener noreferrer" },
react_1.default.createElement(Image, { ref: actualImageRef, borderColor: (0, common_js_1.getBorderColor)(theme, common_js_1.themeBorderColors.actual), alt: "actual", src: actual })))) : (react_1.default.createElement(components_1.Loader, { size: 64 }))));
});
//# sourceMappingURL=SideBySideView.js.map