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Support @ngInject with angular compressor option. Close #395.

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This commit is contained in:
Mihai Bazon
2014-01-08 11:28:32 +02:00
parent 72e6f64ca8
commit 2c305af478
1 changed files with 48 additions and 0 deletions
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48
lib/compress.js
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@@ -71,6 +71,7 @@ function Compressor(options, false_by_default) {
negate_iife : !false_by_default,
screw_ie8 : false,
drop_console : false,
angular : false,
warnings : true,
global_defs : {}
@@ -211,6 +212,9 @@ merge(Compressor.prototype, {
if (compressor.option("join_vars")) {
statements = join_consecutive_vars(statements, compressor);
}
if (compressor.option("angular")) {
statements = process_for_angular(statements);
}
} while (CHANGED);
if (compressor.option("negate_iife")) {
@@ -219,6 +223,50 @@ merge(Compressor.prototype, {
return statements;
function process_for_angular(statements) {
function make_injector(func, name) {
return make_node(AST_SimpleStatement, func, {
body: make_node(AST_Assign, func, {
operator: "=",
left: make_node(AST_Dot, name, {
expression: make_node(AST_SymbolRef, name, name),
property: "$inject"
}),
right: make_node(AST_Array, func, {
elements: func.argnames.map(function(sym){
return make_node(AST_String, sym, { value: sym.name });
})
})
})
});
}
return statements.reduce(function(a, stat){
a.push(stat);
var token = stat.start;
var comments = token.comments_before;
if (comments && comments.length > 0) {
var last = comments.pop();
if (/@ngInject/.test(last.value)) {
// case 1: defun
if (stat instanceof AST_Defun) {
a.push(make_injector(stat, stat.name));
}
else if (stat instanceof AST_Definitions) {
stat.definitions.forEach(function(def){
if (def.value && def.value instanceof AST_Lambda) {
a.push(make_injector(def.value, def.name));
}
});
}
else {
compressor.warn("Unknown statement marked with @ngInject [{file}:{line},{col}]", token);
}
}
}
return a;
}, []);
}
function eliminate_spurious_blocks(statements) {
var seen_dirs = [];
return statements.reduce(function(a, stat){