json-q
Version:
Retrieves values from JSON objects (and JavaScript objects) by css-selector-like query (includes attribute filters and array flattening).
165 lines (163 loc) • 6.86 kB
JavaScript
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var Template = require("../Template");
function NodeMainTemplatePlugin(asyncChunkLoading) {
this.asyncChunkLoading = asyncChunkLoading;
}
module.exports = NodeMainTemplatePlugin;
NodeMainTemplatePlugin.prototype.apply = function(mainTemplate) {
var self = this;
mainTemplate.plugin("local-vars", function(source, chunk) {
if(chunk.chunks.length > 0) {
return this.asString([
source,
"",
"// object to store loaded chunks",
"// \"1\" means \"already loaded\"",
"var installedChunks = {",
this.indent(
chunk.ids.map(function(id) {
return id + ":1";
}).join(",\n")
),
"};"
]);
}
return source;
});
mainTemplate.plugin("require-ensure", function(_, chunk, hash) {
var filename = this.outputOptions.filename || "bundle.js";
var chunkFilename = this.outputOptions.chunkFilename || "[id]." + filename;
var chunkMaps = chunk.getChunkMaps();
var insertMoreModules = [
"var moreModules = chunk.modules, chunkIds = chunk.ids;",
"for(var moduleId in moreModules) {",
this.indent(this.renderAddModule(hash, chunk, "moduleId", "moreModules[moduleId]")),
"}"
];
if(self.asyncChunkLoading) {
return this.asString([
"if(installedChunks[chunkId] === 1) callback.call(null, " + this.requireFn + ");",
"else if(!installedChunks[chunkId]) {",
this.indent([
"installedChunks[chunkId] = [callback];",
"var filename = __dirname + " + this.applyPluginsWaterfall("asset-path", JSON.stringify("/" + chunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
}) + ";",
"require('fs').readFile(filename, 'utf-8', function(err, content) {",
this.indent([
"if(err) { if(" + this.requireFn + ".onError) return " + this.requireFn + ".onError(err); else throw err; }",
"var chunk = {};",
"require('vm').runInThisContext('(function(exports, require, __dirname, __filename) {' + content + '\\n})', filename)" +
"(chunk, require, require('path').dirname(filename), filename);"
].concat(insertMoreModules).concat([
"var callbacks = [];",
"for(var i = 0; i < chunkIds.length; i++) {",
this.indent([
"if(Array.isArray(installedChunks[chunkIds[i]]))",
this.indent([
"callbacks = callbacks.concat(installedChunks[chunkIds[i]]);"
]),
"installedChunks[chunkIds[i]] = 1;"
]),
"}",
"for(i = 0; i < callbacks.length; i++)",
this.indent("callbacks[i].call(null, " + this.requireFn + ");")
])),
"});"
]),
"} else installedChunks[chunkId].push(callback);"
]);
} else {
var request = this.applyPluginsWaterfall("asset-path", JSON.stringify("./" + chunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
});
return this.asString([
"// \"1\" is the signal for \"already loaded\"",
"if(!installedChunks[chunkId]) {",
this.indent([
"var chunk = require(" + request + ");"
].concat(insertMoreModules).concat([
"for(var i = 0; i < chunkIds.length; i++)",
this.indent("installedChunks[chunkIds[i]] = 1;")
])),
"}",
"callback.call(null, " + this.requireFn + ");"
]);
}
});
mainTemplate.plugin("hot-bootstrap", function(source, chunk, hash) {
var hotUpdateChunkFilename = this.outputOptions.hotUpdateChunkFilename;
var hotUpdateMainFilename = this.outputOptions.hotUpdateMainFilename;
var chunkMaps = chunk.getChunkMaps();
var currentHotUpdateChunkFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateChunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
});
var currentHotUpdateMainFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateMainFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this)
});
return Template.getFunctionContent(self.asyncChunkLoading ? require("./NodeMainTemplateAsync.runtime.js") : require("./NodeMainTemplate.runtime.js"))
.replace(/\$require\$/g, this.requireFn)
.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename);
});
mainTemplate.plugin("hash", function(hash) {
hash.update("node");
hash.update("3");
hash.update(this.outputOptions.filename + "");
hash.update(this.outputOptions.chunkFilename + "");
});
};