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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@vue/component-compiler-utils/dist/compileTemplate.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const assetUrl_1 = require("./templateCompilerModules/assetUrl");
+const srcset_1 = require("./templateCompilerModules/srcset");
+const prettier = require('prettier');
+const consolidate = require('consolidate');
+const transpile = require('vue-template-es2015-compiler');
+function compileTemplate(options) {
+ const { preprocessLang } = options;
+ const preprocessor = preprocessLang && consolidate[preprocessLang];
+ if (preprocessor) {
+ return actuallyCompile(Object.assign({}, options, {
+ source: preprocess(options, preprocessor)
+ }));
+ }
+ else if (preprocessLang) {
+ return {
+ code: `var render = function () {}\n` + `var staticRenderFns = []\n`,
+ source: options.source,
+ tips: [
+ `Component ${options.filename} uses lang ${preprocessLang} for template. Please install the language preprocessor.`
+ ],
+ errors: [
+ `Component ${options.filename} uses lang ${preprocessLang} for template, however it is not installed.`
+ ]
+ };
+ }
+ else {
+ return actuallyCompile(options);
+ }
+}
+exports.compileTemplate = compileTemplate;
+function preprocess(options, preprocessor) {
+ const { source, filename, preprocessOptions } = options;
+ const finalPreprocessOptions = Object.assign({
+ filename
+ }, preprocessOptions);
+ // Consolidate exposes a callback based API, but the callback is in fact
+ // called synchronously for most templating engines. In our case, we have to
+ // expose a synchronous API so that it is usable in Jest transforms (which
+ // have to be sync because they are applied via Node.js require hooks)
+ let res, err;
+ preprocessor.render(source, finalPreprocessOptions, (_err, _res) => {
+ if (_err)
+ err = _err;
+ res = _res;
+ });
+ if (err)
+ throw err;
+ return res;
+}
+function actuallyCompile(options) {
+ const { source, compiler, compilerOptions = {}, transpileOptions = {}, transformAssetUrls, isProduction = process.env.NODE_ENV === 'production', isFunctional = false, optimizeSSR = false } = options;
+ const compile = optimizeSSR && compiler.ssrCompile ? compiler.ssrCompile : compiler.compile;
+ let finalCompilerOptions = compilerOptions;
+ if (transformAssetUrls) {
+ const builtInModules = [
+ transformAssetUrls === true
+ ? assetUrl_1.default()
+ : assetUrl_1.default(transformAssetUrls),
+ srcset_1.default()
+ ];
+ finalCompilerOptions = Object.assign({}, compilerOptions, {
+ modules: [...builtInModules, ...(compilerOptions.modules || [])]
+ });
+ }
+ const { render, staticRenderFns, tips, errors } = compile(source, finalCompilerOptions);
+ if (errors && errors.length) {
+ return {
+ code: `var render = function () {}\n` + `var staticRenderFns = []\n`,
+ source,
+ tips,
+ errors
+ };
+ }
+ else {
+ const finalTranspileOptions = Object.assign({}, transpileOptions, {
+ transforms: Object.assign({}, transpileOptions.transforms, {
+ stripWithFunctional: isFunctional
+ })
+ });
+ const toFunction = (code) => {
+ return `function (${isFunctional ? `_h,_vm` : ``}) {${code}}`;
+ };
+ // transpile code with vue-template-es2015-compiler, which is a forked
+ // version of Buble that applies ES2015 transforms + stripping `with` usage
+ let code = transpile(`var __render__ = ${toFunction(render)}\n` +
+ `var __staticRenderFns__ = [${staticRenderFns.map(toFunction)}]`, finalTranspileOptions) + `\n`;
+ // #23 we use __render__ to avoid `render` not being prefixed by the
+ // transpiler when stripping with, but revert it back to `render` to
+ // maintain backwards compat
+ code = code.replace(/\s__(render|staticRenderFns)__\s/g, ' $1 ');
+ if (!isProduction) {
+ // mark with stripped (this enables Vue to use correct runtime proxy
+ // detection)
+ code += `render._withStripped = true`;
+ code = prettier.format(code, { semi: false, parser: 'babylon' });
+ }
+ return {
+ code,
+ source,
+ tips,
+ errors
+ };
+ }
+}