microcms-richedit-processer
Version:
microCMSのリッチエディタから取得した値を加工したり、目次リストを作成します。
126 lines (125 loc) • 7.2 kB
JavaScript
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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import fetch from 'cross-fetch';
import sizeOf from 'image-size';
import { buildImgixUrl } from 'ts-imgix';
var imgProcesser = function (imgElement, options) { return __awaiter(void 0, void 0, void 0, function () {
var attributes_1, getSrcAttr, splitSrc, size, _a, imgixParams, imgixUrl, params, width, height, srcset, classNames;
var _b, _c, _d, _e, _f, _g;
return __generator(this, function (_h) {
switch (_h.label) {
case 0:
if (options.img.addAttributes !== undefined) {
attributes_1 = options.img.addAttributes;
Object.keys(attributes_1).forEach(function (key) {
imgElement.setAttribute(key, attributes_1[key]);
});
}
getSrcAttr = function () {
var src = imgElement.getAttribute('src');
if (src === undefined) {
throw Error('Some of the img tags do not have src set.');
}
return src;
};
splitSrc = getSrcAttr().split('?');
_a = sizeOf;
return [4 /*yield*/, fetch(splitSrc[0])
.then(function (res) { return res.arrayBuffer(); })
.then(function (buffer) { return Buffer.from(buffer); })];
case 1:
size = _a.apply(void 0, [_h.sent()]);
imgixParams = Object.assign({}, new URLSearchParams(splitSrc[1]), options.img.parameters);
imgixUrl = buildImgixUrl(splitSrc[0])(imgixParams);
params = new URLSearchParams(new URL(imgixUrl).search);
width = params.get('w');
height = params.get('h');
srcset = options.img.deviceSizes
.map(function (size) {
var imgixParamsForSrcSet = Object.assign(imgixParams, {
w: size.toString(),
h: undefined,
});
if (width !== null && height !== null) {
Object.assign(imgixParamsForSrcSet, {
h: Math.round(size * (Number(height) / Number(width))).toString(),
});
}
return "".concat(buildImgixUrl(splitSrc[0])(imgixParamsForSrcSet), " ").concat(size, "w");
})
.join(', ');
imgElement.setAttribute('src', imgixUrl);
imgElement.setAttribute('srcset', srcset);
imgElement.setAttribute('sizes', options.img.sizes);
if (width === null) {
imgElement.setAttribute('width', (_c = (_b = size.width) === null || _b === void 0 ? void 0 : _b.toString()) !== null && _c !== void 0 ? _c : '');
}
else {
imgElement.setAttribute('width', width);
}
if (height === null) {
imgElement.setAttribute('height', (_e = (_d = size.height) === null || _d === void 0 ? void 0 : _d.toString()) !== null && _e !== void 0 ? _e : '');
}
else {
imgElement.setAttribute('height', height);
}
if (options.img.addClassName !== undefined) {
classNames = options.img.addClassName;
classNames.forEach(function (className) {
imgElement.classList.add(className);
});
}
if (options.img.provider === 'lazysizes') {
if (options.img.lazy) {
imgElement.setAttribute('data-src', getSrcAttr());
imgElement.setAttribute('data-srcset', (_f = imgElement.getAttribute('srcset')) !== null && _f !== void 0 ? _f : '');
imgElement.setAttribute('data-sizes', (_g = imgElement.getAttribute('sizes')) !== null && _g !== void 0 ? _g : '');
imgElement.removeAttribute('srcset');
imgElement.removeAttribute('sizes');
imgElement.classList.add('lazyload');
if (options.img.placeholder) {
imgElement.setAttribute('data-lowsrc', splitSrc[0] + '?w=50&q=30&blur=10');
imgElement.removeAttribute('data-src');
}
imgElement.removeAttribute('src');
}
}
return [2 /*return*/];
}
});
}); };
export default imgProcesser;