mirror of
https://github.com/discourse/discourse.git
synced 2024-12-14 14:13:45 +08:00
4d62c49e20
The primary motivation is to simplify `eagerLoadRawTemplateModules` which curently introspects the module dependencies (the `imports` at runtime). This is no longer supported in Embroider as the AMD shims do not have any dependencies (since it's managed internally with webpack).
169 lines
4.5 KiB
JavaScript
169 lines
4.5 KiB
JavaScript
"use strict";
|
|
|
|
const Filter = require("broccoli-filter");
|
|
const Handlebars = require("handlebars");
|
|
|
|
const RawHandlebars = Handlebars.create();
|
|
|
|
function buildPath(blk, args) {
|
|
let result = {
|
|
type: "PathExpression",
|
|
data: false,
|
|
depth: blk.path.depth,
|
|
loc: blk.path.loc,
|
|
};
|
|
|
|
// Server side precompile doesn't have jquery.extend
|
|
Object.keys(args).forEach(function (a) {
|
|
result[a] = args[a];
|
|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
function replaceGet(ast) {
|
|
let visitor = new Handlebars.Visitor();
|
|
visitor.mutating = true;
|
|
|
|
visitor.MustacheStatement = function (mustache) {
|
|
if (!(mustache.params.length || mustache.hash)) {
|
|
mustache.params[0] = mustache.path;
|
|
mustache.path = buildPath(mustache, {
|
|
parts: ["get"],
|
|
original: "get",
|
|
strict: true,
|
|
falsy: true,
|
|
});
|
|
}
|
|
return Handlebars.Visitor.prototype.MustacheStatement.call(this, mustache);
|
|
};
|
|
|
|
// rewrite `each x as |y|` as each y in x`
|
|
// This allows us to use the same syntax in all templates
|
|
visitor.BlockStatement = function (block) {
|
|
if (block.path.original === "each" && block.params.length === 1) {
|
|
let paramName = block.program.blockParams[0];
|
|
block.params = [
|
|
buildPath(block, { original: paramName }),
|
|
{ type: "CommentStatement", value: "in" },
|
|
block.params[0],
|
|
];
|
|
delete block.program.blockParams;
|
|
}
|
|
|
|
return Handlebars.Visitor.prototype.BlockStatement.call(this, block);
|
|
};
|
|
|
|
visitor.accept(ast);
|
|
}
|
|
|
|
RawHandlebars.Compiler = function () {};
|
|
RawHandlebars.Compiler.prototype = Object.create(Handlebars.Compiler.prototype);
|
|
RawHandlebars.Compiler.prototype.compiler = RawHandlebars.Compiler;
|
|
|
|
RawHandlebars.JavaScriptCompiler = function () {};
|
|
|
|
RawHandlebars.JavaScriptCompiler.prototype = Object.create(
|
|
Handlebars.JavaScriptCompiler.prototype
|
|
);
|
|
RawHandlebars.JavaScriptCompiler.prototype.compiler =
|
|
RawHandlebars.JavaScriptCompiler;
|
|
RawHandlebars.JavaScriptCompiler.prototype.namespace = "RawHandlebars";
|
|
|
|
RawHandlebars.precompile = function (value, asObject) {
|
|
let ast = Handlebars.parse(value);
|
|
replaceGet(ast);
|
|
|
|
let options = {
|
|
knownHelpers: {
|
|
get: true,
|
|
},
|
|
data: true,
|
|
stringParams: true,
|
|
};
|
|
|
|
asObject = asObject === undefined ? true : asObject;
|
|
|
|
let environment = new RawHandlebars.Compiler().compile(ast, options);
|
|
return new RawHandlebars.JavaScriptCompiler().compile(
|
|
environment,
|
|
options,
|
|
undefined,
|
|
asObject
|
|
);
|
|
};
|
|
|
|
RawHandlebars.compile = function (string) {
|
|
let ast = Handlebars.parse(string);
|
|
replaceGet(ast);
|
|
|
|
// this forces us to rewrite helpers
|
|
let options = { data: true, stringParams: true };
|
|
let environment = new RawHandlebars.Compiler().compile(ast, options);
|
|
let templateSpec = new RawHandlebars.JavaScriptCompiler().compile(
|
|
environment,
|
|
options,
|
|
undefined,
|
|
true
|
|
);
|
|
|
|
let t = RawHandlebars.template(templateSpec);
|
|
t.isMethod = false;
|
|
|
|
return t;
|
|
};
|
|
function TemplateCompiler(inputTree, options) {
|
|
if (!(this instanceof TemplateCompiler)) {
|
|
return new TemplateCompiler(inputTree, options);
|
|
}
|
|
|
|
Filter.call(this, inputTree, options); // this._super()
|
|
|
|
this.options = options || {};
|
|
this.inputTree = inputTree;
|
|
}
|
|
|
|
TemplateCompiler.prototype = Object.create(Filter.prototype);
|
|
TemplateCompiler.prototype.constructor = TemplateCompiler;
|
|
TemplateCompiler.prototype.extensions = ["hbr"];
|
|
TemplateCompiler.prototype.targetExtension = "js";
|
|
|
|
TemplateCompiler.prototype.registerPlugins = function registerPlugins() {};
|
|
|
|
TemplateCompiler.prototype.initializeFeatures =
|
|
function initializeFeatures() {};
|
|
|
|
TemplateCompiler.prototype.processString = function (string, relativePath) {
|
|
let filename;
|
|
|
|
const pluginName = relativePath.match(/^discourse\/plugins\/([^\/]+)\//)?.[1];
|
|
|
|
if (pluginName) {
|
|
filename = relativePath
|
|
.replace(`discourse/plugins/${pluginName}/`, "")
|
|
.replace(/^(discourse\/)?raw-templates\//, "javascripts/");
|
|
} else {
|
|
filename = relativePath.replace(/^raw-templates\//, "");
|
|
}
|
|
|
|
filename = filename.replace(/\.hbr$/, "");
|
|
|
|
return (
|
|
'import { template as compiler } from "discourse-common/lib/raw-handlebars";\n' +
|
|
'import { addRawTemplate } from "discourse-common/lib/raw-templates";\n\n' +
|
|
"let template = compiler(" +
|
|
this.precompile(string, false) +
|
|
");\n\n" +
|
|
'addRawTemplate("' +
|
|
filename +
|
|
'", template, { core: true });\n' +
|
|
"export default template;"
|
|
);
|
|
};
|
|
|
|
TemplateCompiler.prototype.precompile = function (value, asObject) {
|
|
return RawHandlebars.precompile(value, asObject);
|
|
};
|
|
|
|
module.exports = TemplateCompiler;
|