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authorruki <waruqi@gmail.com>2018-11-08 00:43:05 +0800
committerruki <waruqi@gmail.com>2018-11-07 22:18:30 +0800
commit89e95b3f143682ed9a006991bacf45c9dcba4818 (patch)
tree4f44cf41b828577d583890bdd5a1c31e8491a6ba /node_modules/clean-css/lib/reader/input-source-map-tracker.js
parentaa7f0199255277949790b41c56e8ec97dd4f0da4 (diff)
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Diffstat (limited to 'node_modules/clean-css/lib/reader/input-source-map-tracker.js')
-rw-r--r--node_modules/clean-css/lib/reader/input-source-map-tracker.js58
1 files changed, 0 insertions, 58 deletions
diff --git a/node_modules/clean-css/lib/reader/input-source-map-tracker.js b/node_modules/clean-css/lib/reader/input-source-map-tracker.js
deleted file mode 100644
index 4b8730c2..00000000
--- a/node_modules/clean-css/lib/reader/input-source-map-tracker.js
+++ /dev/null
@@ -1,58 +0,0 @@
-var SourceMapConsumer = require('source-map').SourceMapConsumer;
-
-function inputSourceMapTracker() {
- var maps = {};
-
- return {
- all: all.bind(null, maps),
- isTracking: isTracking.bind(null, maps),
- originalPositionFor: originalPositionFor.bind(null, maps),
- track: track.bind(null, maps)
- };
-}
-
-function all(maps) {
- return maps;
-}
-
-function isTracking(maps, source) {
- return source in maps;
-}
-
-function originalPositionFor(maps, metadata, range, selectorFallbacks) {
- var line = metadata[0];
- var column = metadata[1];
- var source = metadata[2];
- var position = {
- line: line,
- column: column + range
- };
- var originalPosition;
-
- while (!originalPosition && position.column > column) {
- position.column--;
- originalPosition = maps[source].originalPositionFor(position);
- }
-
- if (!originalPosition || originalPosition.column < 0) {
- return metadata;
- }
-
- if (originalPosition.line === null && line > 1 && selectorFallbacks > 0) {
- return originalPositionFor(maps, [line - 1, column, source], range, selectorFallbacks - 1);
- }
-
- return originalPosition.line !== null ?
- toMetadata(originalPosition) :
- metadata;
-}
-
-function toMetadata(asHash) {
- return [asHash.line, asHash.column, asHash.source];
-}
-
-function track(maps, source, data) {
- maps[source] = new SourceMapConsumer(data);
-}
-
-module.exports = inputSourceMapTracker;