seinjs-atlas-loader
Version:
A loader to load atlas resources for Sein.js.
129 lines (128 loc) • 7.21 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 (_) 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();
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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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @File : processGlTF.ts
* @Author : dtysky (dtysky@outlook.com)
* @Date : 7/31/2019, 2:45:44 PM
* @Description:
*/
var path = require("path");
var mime = require("mime");
var utils_1 = require("./utils");
function processAtlas(context, source, options) {
return __awaiter(this, void 0, void 0, function () {
var resourcePath, fileName, rootDir, srcDir, commonDir, tmp, distDir, md5, processedAssets, content, filePath, uri;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
resourcePath = context.resourcePath;
fileName = path.basename(resourcePath, path.extname(resourcePath));
console.log("seinjs-atlas-loader: " + fileName);
rootDir = (context.rootContext || context.options.context) + '/';
srcDir = path.dirname(resourcePath);
commonDir = utils_1.getCommonDir([srcDir, rootDir]) + '/';
tmp = path.parse(srcDir.replace(commonDir, ''));
distDir = tmp.dir;
console.log(srcDir, '->', distDir);
md5 = utils_1.getMd5(source);
processedAssets = [];
content = JSON.parse(source);
filePath = path.join(distDir, fileName + '-' + md5 + '.atlas');
return [4 /*yield*/, processAsset(context, options, content.meta.image, srcDir, distDir)];
case 1:
uri = _a.sent();
content.meta.image = uri;
processedAssets.push(uri);
return [2 /*return*/, { filePath: filePath, content: JSON.stringify(content), processedAssets: processedAssets }];
}
});
});
}
exports.default = processAtlas;
function processAsset(context, options, uri, srcDir, distDir) {
return __awaiter(this, void 0, void 0, function () {
var t, filePath;
var _this = this;
return __generator(this, function (_a) {
t = utils_1.getAssetType(uri);
/**
* @todo: support absolute path
*/
if (t !== 'relative') {
return [2 /*return*/];
}
filePath = path.resolve(srcDir, uri);
return [2 /*return*/, utils_1.readFileBuffer(filePath)
.then(function (data) { return __awaiter(_this, void 0, void 0, function () {
var index, processor, mimetype, tmp, prefix, fp;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
context.addDependency(path.resolve(context.context, uri));
if (!options.process.enabled) return [3 /*break*/, 4];
index = 0;
_a.label = 1;
case 1:
if (!(index < options.process.processors.length)) return [3 /*break*/, 4];
processor = options.process.processors[index];
if (!utils_1.checkFileWithRules(filePath, [processor.test])) return [3 /*break*/, 3];
return [4 /*yield*/, processor.process({ data: data, filePath: filePath })];
case 2:
data = _a.sent();
_a.label = 3;
case 3:
index += 1;
return [3 /*break*/, 1];
case 4:
if (options.base64.enabled && data.length < options.base64.threshold) {
if (!utils_1.checkFileWithRules(filePath, options.base64.excludes)) {
mimetype = mime.getType(filePath);
return [2 /*return*/, "data:" + (mimetype || '') + ";base64," + data.toString('base64')];
}
}
tmp = path.parse(uri);
prefix = tmp.dir ? tmp.dir.split('/') : [];
prefix.push(tmp.name, utils_1.getMd5(data));
fp = path.join(distDir, prefix.join('-') + tmp.ext);
return [2 /*return*/, utils_1.emitFile(context, options, { data: data, distPath: fp, filePath: filePath })];
}
});
}); })];
});
});
}