@realfavicongenerator/generate-favicon
Version:
Generate a favicon
113 lines (112 loc) • 4.91 kB
JavaScript
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.scaleSvg = exports.makeFluidSvg = exports.dataUrlToSvg = exports.anyUrlToSvg = exports.httpUrlToDataUrl = exports.bitmapToSvg = exports.blobToDataUrl = exports.urlToSvg = exports.stringToSvg = void 0;
const svg_js_1 = require("@svgdotjs/svg.js");
const helper_1 = require("../icon/helper");
const helper_2 = require("./helper");
const stringToSvg = (svg, imageAdapeter) => {
// We use filterDoctypeOut because of
// https://github.com/RealFaviconGenerator/realfavicongenerator/issues/507
// and https://github.com/svgdotjs/svgdom/issues/130
const s = imageAdapeter.createSvg().svg((0, helper_2.filterDoctypeOut)(svg));
const subSvg = s.find('svg')[0];
if (subSvg) {
const viewBox = subSvg.viewbox();
s.width(subSvg.width() ? subSvg.width() : viewBox.width);
s.height(subSvg.height() ? subSvg.height() : viewBox.height);
}
return s;
};
exports.stringToSvg = stringToSvg;
const urlToSvg = (url, imageAdapter) => __awaiter(void 0, void 0, void 0, function* () {
const response = yield fetch(url);
const text = yield response.text();
return (0, exports.stringToSvg)(text, imageAdapter);
});
exports.urlToSvg = urlToSvg;
const blobToDataUrl = (blob) => {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onloadend = () => {
if (typeof reader.result === 'string') {
resolve(reader.result);
}
else {
reject('Failed to read blob');
}
};
reader.onerror = (e) => {
reject(e);
};
reader.readAsDataURL(blob);
});
};
exports.blobToDataUrl = blobToDataUrl;
const bitmapToSvg = (binaryData, mimeType, imageAdapter) => __awaiter(void 0, void 0, void 0, function* () {
const blob = new Blob([binaryData], { type: mimeType });
const url = yield (0, exports.blobToDataUrl)(blob);
return (0, exports.dataUrlToSvg)(url, imageAdapter);
});
exports.bitmapToSvg = bitmapToSvg;
const httpUrlToDataUrl = (url, imageAdapter) => __awaiter(void 0, void 0, void 0, function* () {
const response = yield fetch(url);
const buffer = yield response.arrayBuffer();
const contentType = response.headers.get('content-type') || 'application/octet-stream';
return `data:${contentType};base64,${Buffer.from(buffer).toString('base64')}`;
});
exports.httpUrlToDataUrl = httpUrlToDataUrl;
const anyUrlToSvg = (url, imageAdapter) => __awaiter(void 0, void 0, void 0, function* () {
const dataUrl = url.startsWith('http') ? (0, exports.httpUrlToDataUrl)(url, imageAdapter) : url;
return (0, exports.dataUrlToSvg)(url, imageAdapter);
});
exports.anyUrlToSvg = anyUrlToSvg;
const dataUrlToSvg = (dataUrl, imageAdapter) => __awaiter(void 0, void 0, void 0, function* () {
const { width, height } = yield imageAdapter.getImageSize(dataUrl);
const svg = imageAdapter.createSvg().size(width, height);
const i = svg.image(dataUrl);
i.width(width);
i.height(height);
svg.viewbox(0, 0, width, height);
return svg;
});
exports.dataUrlToSvg = dataUrlToSvg;
const makeFluidSvg = (svg) => {
const viewBox = svg.viewbox();
const w = viewBox.width || 100;
const h = viewBox.height || 100;
svg.width('100%');
svg.height('100%');
svg.viewbox(0, 0, w, h);
const children = svg.children();
if (children.length === 1) {
const child = children[0];
if (child instanceof svg_js_1.Svg) {
const viewBox = child.viewbox();
const w = viewBox.width;
const h = viewBox.height;
child.width('100%');
child.height('100%');
child.viewbox(0, 0, w, h);
}
}
return svg;
};
exports.makeFluidSvg = makeFluidSvg;
const scaleSvg = (svg, widthHeight, imageAdapeter) => {
const newSvg = imageAdapeter.createSvg();
newSvg.size(widthHeight, widthHeight);
const group = newSvg.group();
group.attr('transform', `scale(${widthHeight / (0, helper_1.numberAliasToNumber)(svg.width())})`);
group.add(svg.clone());
return newSvg;
};
exports.scaleSvg = scaleSvg;