webpack-dependency-suite
Version:
A set of Webpack plugins, loaders and utilities designed for advanced dependency resolution
157 lines • 8.45 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 = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, 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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var loaderUtils = require("loader-utils");
var acorn = require("acorn");
var walk = require("acorn/dist/walk");
var debug = require("debug");
var inject_1 = require("../utils/inject");
var log = debug('comment-loader');
function findLiteralNodesAfterBlockComment(ast, comments, commentRegex) {
return comments
.filter(function (comment) { return comment.type === 'Block'; })
.map(function (commentAst) {
var value = commentAst.value.trim();
var match = value.match(commentRegex);
return { ast: commentAst, match: match };
})
.filter(function (commentMatch) { return !!commentMatch.match; })
.map(function (comment) {
var result = walk.findNodeAfter(ast, comment.ast.end);
return {
commentMatch: comment.match,
literal: result.node && result.node.type === 'Literal' && typeof result.node.value === 'string' ? result.node.value : ''
};
})
.filter(function (comment) { return !!comment.literal; });
}
exports.findLiteralNodesAfterBlockComment = findLiteralNodesAfterBlockComment;
function CommentLoader(source, sourceMap) {
return __awaiter(this, void 0, void 0, function () {
var query, comments, ast, POSSIBLE_AST_OPTIONS, i, commentsAndLiterals, commentOnlyImports, allResources, resourceData, requireStrings, inject, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
query = Object.assign({}, loaderUtils.parseQuery(this.query));
if (this.cacheable) {
this.cacheable();
}
this.async();
comments = [];
ast = undefined;
POSSIBLE_AST_OPTIONS = [{
ranges: true,
locations: true,
ecmaVersion: 2017,
sourceType: 'module',
onComment: comments
}, {
ranges: true,
locations: true,
ecmaVersion: 2017,
sourceType: 'script',
onComment: comments
}];
i = POSSIBLE_AST_OPTIONS.length;
while (!ast && i--) {
try {
comments.length = 0;
ast = acorn.parse(source, POSSIBLE_AST_OPTIONS[i]);
}
catch (e) {
// ignore the error
if (!i) {
this.emitError("Error while parsing " + this.resourcePath + ": " + e.message);
return [2 /*return*/, this.callback(undefined, source, sourceMap)];
}
}
}
commentsAndLiterals = findLiteralNodesAfterBlockComment(ast, comments, /^@import *(@lazy)? *(?:@chunk\(['"`]*([\w-]+)['"`]*\))? *(@lazy)?/)
.map(function (cal) { return ({
literal: cal.literal,
lazy: !!(cal.commentMatch[1] || cal.commentMatch[3]),
chunk: cal.commentMatch[2]
}); });
commentOnlyImports = comments
.filter(function (c) { return c.type === 'Block'; })
.map(function (c) { return c.value.trim().match(/^@import\([\'"`]*([- \./\w*]+)['"`]\)* *(@lazy)? *(?:@chunk\(['"`]*([\w-]+)['"`]*\))? *(@lazy)?$/); })
.filter(function (c) { return !!c; })
.map(function (c) { return ({
literal: c[1],
lazy: !!(c[2] || c[4]),
chunk: c[3]
}); });
if (!commentsAndLiterals.length && !commentOnlyImports.length) {
this.callback(undefined, source, sourceMap);
return [2 /*return*/];
}
allResources = commentsAndLiterals.concat(commentOnlyImports);
_a.label = 1;
case 1:
_a.trys.push([1, 7, , 8]);
return [4 /*yield*/, inject_1.addBundleLoader(allResources)];
case 2:
resourceData = _a.sent();
if (!query.enableGlobbing) return [3 /*break*/, 4];
return [4 /*yield*/, inject_1.expandAllRequiresForGlob(resourceData, this)];
case 3:
resourceData = _a.sent();
return [3 /*break*/, 5];
case 4:
resourceData = resourceData.filter(function (r) { return !r.literal.includes("*"); });
_a.label = 5;
case 5:
log("Adding resources to " + this.resourcePath + ": " + resourceData.map(function (r) { return r.literal; }).join(', '));
return [4 /*yield*/, inject_1.getRequireStrings(resourceData, query.addLoadersCallback, this, query.alwaysUseCommentBundles)];
case 6:
requireStrings = _a.sent();
inject = requireStrings.map(inject_1.wrapInRequireInclude).join('\n');
inject_1.appendCodeAndCallback(this, source, inject, sourceMap);
return [3 /*break*/, 8];
case 7:
e_1 = _a.sent();
log(e_1);
this.emitError(e_1.message);
this.callback(undefined, source, sourceMap);
return [3 /*break*/, 8];
case 8: return [2 /*return*/];
}
});
});
}
exports.default = CommentLoader;
//# sourceMappingURL=comment-loader.js.map