You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
'use strict';
|
|
var wrapListener = require('./wrap-listener');
|
|
|
|
function listener(path, file, opts) {
|
|
(path.isLiteral() ? addString : addExpression)(path.node, file, opts);
|
|
}
|
|
|
|
function addString(node, file, opts) {
|
|
var val = attachNodes(opts) ? node : node.value;
|
|
requireMetadata(file).strings.push(val);
|
|
}
|
|
|
|
function addExpression(node, file, opts) {
|
|
var val;
|
|
if (attachNodes(opts)) {
|
|
val = node;
|
|
} else {
|
|
val = {start: node.start, end: node.end};
|
|
val.loc = {
|
|
start: copyLoc(node.loc.start),
|
|
end: copyLoc(node.loc.end)
|
|
};
|
|
}
|
|
if (attachExpressionSource(opts)) {
|
|
val.code = file.code.slice(val.start, val.end);
|
|
}
|
|
requireMetadata(file).expressions.push(val);
|
|
return val;
|
|
}
|
|
|
|
function copyLoc(loc) {
|
|
return loc && {line: loc.line, column: loc.column};
|
|
}
|
|
|
|
function requireMetadata(file) {
|
|
var metadata = file.metadata;
|
|
return metadata.requires || (metadata.requires = {strings: [], expressions: []});
|
|
}
|
|
|
|
// OPTION EXTRACTION:
|
|
|
|
function attachExpressionSource(opts) {
|
|
return Boolean(opts && opts.source);
|
|
}
|
|
|
|
function attachNodes(opts) {
|
|
return Boolean(opts && opts.nodes);
|
|
}
|
|
|
|
module.exports = wrapListener(listener, 'detective');
|
|
|
|
module.exports.metadata = function extractMetadataFromResult(result) {
|
|
return result.metadata.requires;
|
|
};
|