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-rw-r--r--node_modules/postcss/lib/map-generator.js323
1 files changed, 323 insertions, 0 deletions
diff --git a/node_modules/postcss/lib/map-generator.js b/node_modules/postcss/lib/map-generator.js
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+++ b/node_modules/postcss/lib/map-generator.js
@@ -0,0 +1,323 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _sourceMap = require('source-map');
+
+var _sourceMap2 = _interopRequireDefault(_sourceMap);
+
+var _path = require('path');
+
+var _path2 = _interopRequireDefault(_path);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var MapGenerator = function () {
+ function MapGenerator(stringify, root, opts) {
+ _classCallCheck(this, MapGenerator);
+
+ this.stringify = stringify;
+ this.mapOpts = opts.map || {};
+ this.root = root;
+ this.opts = opts;
+ }
+
+ MapGenerator.prototype.isMap = function isMap() {
+ if (typeof this.opts.map !== 'undefined') {
+ return !!this.opts.map;
+ } else {
+ return this.previous().length > 0;
+ }
+ };
+
+ MapGenerator.prototype.previous = function previous() {
+ var _this = this;
+
+ if (!this.previousMaps) {
+ this.previousMaps = [];
+ this.root.walk(function (node) {
+ if (node.source && node.source.input.map) {
+ var map = node.source.input.map;
+ if (_this.previousMaps.indexOf(map) === -1) {
+ _this.previousMaps.push(map);
+ }
+ }
+ });
+ }
+
+ return this.previousMaps;
+ };
+
+ MapGenerator.prototype.isInline = function isInline() {
+ if (typeof this.mapOpts.inline !== 'undefined') {
+ return this.mapOpts.inline;
+ }
+
+ var annotation = this.mapOpts.annotation;
+ if (typeof annotation !== 'undefined' && annotation !== true) {
+ return false;
+ }
+
+ if (this.previous().length) {
+ return this.previous().some(function (i) {
+ return i.inline;
+ });
+ } else {
+ return true;
+ }
+ };
+
+ MapGenerator.prototype.isSourcesContent = function isSourcesContent() {
+ if (typeof this.mapOpts.sourcesContent !== 'undefined') {
+ return this.mapOpts.sourcesContent;
+ }
+ if (this.previous().length) {
+ return this.previous().some(function (i) {
+ return i.withContent();
+ });
+ } else {
+ return true;
+ }
+ };
+
+ MapGenerator.prototype.clearAnnotation = function clearAnnotation() {
+ if (this.mapOpts.annotation === false) return;
+
+ var node = void 0;
+ for (var i = this.root.nodes.length - 1; i >= 0; i--) {
+ node = this.root.nodes[i];
+ if (node.type !== 'comment') continue;
+ if (node.text.indexOf('# sourceMappingURL=') === 0) {
+ this.root.removeChild(i);
+ }
+ }
+ };
+
+ MapGenerator.prototype.setSourcesContent = function setSourcesContent() {
+ var _this2 = this;
+
+ var already = {};
+ this.root.walk(function (node) {
+ if (node.source) {
+ var from = node.source.input.from;
+ if (from && !already[from]) {
+ already[from] = true;
+ var relative = _this2.relative(from);
+ _this2.map.setSourceContent(relative, node.source.input.css);
+ }
+ }
+ });
+ };
+
+ MapGenerator.prototype.applyPrevMaps = function applyPrevMaps() {
+ for (var _iterator = this.previous(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+ var _ref;
+
+ if (_isArray) {
+ if (_i >= _iterator.length) break;
+ _ref = _iterator[_i++];
+ } else {
+ _i = _iterator.next();
+ if (_i.done) break;
+ _ref = _i.value;
+ }
+
+ var prev = _ref;
+
+ var from = this.relative(prev.file);
+ var root = prev.root || _path2.default.dirname(prev.file);
+ var map = void 0;
+
+ if (this.mapOpts.sourcesContent === false) {
+ map = new _sourceMap2.default.SourceMapConsumer(prev.text);
+ if (map.sourcesContent) {
+ map.sourcesContent = map.sourcesContent.map(function () {
+ return null;
+ });
+ }
+ } else {
+ map = prev.consumer();
+ }
+
+ this.map.applySourceMap(map, from, this.relative(root));
+ }
+ };
+
+ MapGenerator.prototype.isAnnotation = function isAnnotation() {
+ if (this.isInline()) {
+ return true;
+ } else if (typeof this.mapOpts.annotation !== 'undefined') {
+ return this.mapOpts.annotation;
+ } else if (this.previous().length) {
+ return this.previous().some(function (i) {
+ return i.annotation;
+ });
+ } else {
+ return true;
+ }
+ };
+
+ MapGenerator.prototype.toBase64 = function toBase64(str) {
+ if (Buffer) {
+ if (Buffer.from && Buffer.from !== Uint8Array.from) {
+ return Buffer.from(str).toString('base64');
+ } else {
+ return new Buffer(str).toString('base64');
+ }
+ } else {
+ return window.btoa(unescape(encodeURIComponent(str)));
+ }
+ };
+
+ MapGenerator.prototype.addAnnotation = function addAnnotation() {
+ var content = void 0;
+
+ if (this.isInline()) {
+
+ content = 'data:application/json;base64,' + this.toBase64(this.map.toString());
+ } else if (typeof this.mapOpts.annotation === 'string') {
+ content = this.mapOpts.annotation;
+ } else {
+ content = this.outputFile() + '.map';
+ }
+
+ var eol = '\n';
+ if (this.css.indexOf('\r\n') !== -1) eol = '\r\n';
+
+ this.css += eol + '/*# sourceMappingURL=' + content + ' */';
+ };
+
+ MapGenerator.prototype.outputFile = function outputFile() {
+ if (this.opts.to) {
+ return this.relative(this.opts.to);
+ } else if (this.opts.from) {
+ return this.relative(this.opts.from);
+ } else {
+ return 'to.css';
+ }
+ };
+
+ MapGenerator.prototype.generateMap = function generateMap() {
+ this.generateString();
+ if (this.isSourcesContent()) this.setSourcesContent();
+ if (this.previous().length > 0) this.applyPrevMaps();
+ if (this.isAnnotation()) this.addAnnotation();
+
+ if (this.isInline()) {
+ return [this.css];
+ } else {
+ return [this.css, this.map];
+ }
+ };
+
+ MapGenerator.prototype.relative = function relative(file) {
+ if (file.indexOf('<') === 0) return file;
+ if (/^\w+:\/\//.test(file)) return file;
+
+ var from = this.opts.to ? _path2.default.dirname(this.opts.to) : '.';
+
+ if (typeof this.mapOpts.annotation === 'string') {
+ from = _path2.default.dirname(_path2.default.resolve(from, this.mapOpts.annotation));
+ }
+
+ file = _path2.default.relative(from, file);
+ if (_path2.default.sep === '\\') {
+ return file.replace(/\\/g, '/');
+ } else {
+ return file;
+ }
+ };
+
+ MapGenerator.prototype.sourcePath = function sourcePath(node) {
+ if (this.mapOpts.from) {
+ return this.mapOpts.from;
+ } else {
+ return this.relative(node.source.input.from);
+ }
+ };
+
+ MapGenerator.prototype.generateString = function generateString() {
+ var _this3 = this;
+
+ this.css = '';
+ this.map = new _sourceMap2.default.SourceMapGenerator({ file: this.outputFile() });
+
+ var line = 1;
+ var column = 1;
+
+ var lines = void 0,
+ last = void 0;
+ this.stringify(this.root, function (str, node, type) {
+ _this3.css += str;
+
+ if (node && type !== 'end') {
+ if (node.source && node.source.start) {
+ _this3.map.addMapping({
+ source: _this3.sourcePath(node),
+ generated: { line: line, column: column - 1 },
+ original: {
+ line: node.source.start.line,
+ column: node.source.start.column - 1
+ }
+ });
+ } else {
+ _this3.map.addMapping({
+ source: '<no source>',
+ original: { line: 1, column: 0 },
+ generated: { line: line, column: column - 1 }
+ });
+ }
+ }
+
+ lines = str.match(/\n/g);
+ if (lines) {
+ line += lines.length;
+ last = str.lastIndexOf('\n');
+ column = str.length - last;
+ } else {
+ column += str.length;
+ }
+
+ if (node && type !== 'start') {
+ if (node.source && node.source.end) {
+ _this3.map.addMapping({
+ source: _this3.sourcePath(node),
+ generated: { line: line, column: column - 1 },
+ original: {
+ line: node.source.end.line,
+ column: node.source.end.column
+ }
+ });
+ } else {
+ _this3.map.addMapping({
+ source: '<no source>',
+ original: { line: 1, column: 0 },
+ generated: { line: line, column: column - 1 }
+ });
+ }
+ }
+ });
+ };
+
+ MapGenerator.prototype.generate = function generate() {
+ this.clearAnnotation();
+
+ if (this.isMap()) {
+ return this.generateMap();
+ } else {
+ var result = '';
+ this.stringify(this.root, function (i) {
+ result += i;
+ });
+ return [result];
+ }
+ };
+
+ return MapGenerator;
+}();
+
+exports.default = MapGenerator;
+module.exports = exports['default'];
+//# 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mozilla from 'source-map';\nimport path    from 'path';\n\nexport default class MapGenerator {\n\n    constructor(stringify, root, opts) {\n        this.stringify = stringify;\n        this.mapOpts   = opts.map || { };\n        this.root      = root;\n        this.opts      = opts;\n    }\n\n    isMap() {\n        if ( typeof this.opts.map !== 'undefined' ) {\n            return !!this.opts.map;\n        } else {\n            return this.previous().length > 0;\n        }\n    }\n\n    previous() {\n        if ( !this.previousMaps ) {\n            this.previousMaps = [];\n            this.root.walk( node => {\n                if ( node.source && node.source.input.map ) {\n                    let map = node.source.input.map;\n                    if ( this.previousMaps.indexOf(map) === -1 ) {\n                        this.previousMaps.push(map);\n                    }\n                }\n            });\n        }\n\n        return this.previousMaps;\n    }\n\n    isInline() {\n        if ( typeof this.mapOpts.inline !== 'undefined' ) {\n            return this.mapOpts.inline;\n        }\n\n        let annotation = this.mapOpts.annotation;\n        if ( typeof annotation !== 'undefined' && annotation !== true ) {\n            return false;\n        }\n\n        if ( this.previous().length ) {\n            return this.previous().some( i => i.inline );\n        } else {\n            return true;\n        }\n    }\n\n    isSourcesContent() {\n        if ( typeof this.mapOpts.sourcesContent !== 'undefined' ) {\n            return this.mapOpts.sourcesContent;\n        }\n        if ( this.previous().length ) {\n            return this.previous().some( i => i.withContent() );\n        } else {\n            return true;\n        }\n    }\n\n    clearAnnotation() {\n        if ( this.mapOpts.annotation === false ) return;\n\n        let node;\n        for ( let i = this.root.nodes.length - 1; i >= 0; i-- ) {\n            node = this.root.nodes[i];\n            if ( node.type !== 'comment' ) continue;\n            if ( node.text.indexOf('# sourceMappingURL=') === 0 ) {\n                this.root.removeChild(i);\n            }\n        }\n    }\n\n    setSourcesContent() {\n        let already = { };\n        this.root.walk( node => {\n            if ( node.source ) {\n                let from = node.source.input.from;\n                if ( from && !already[from] ) {\n                    already[from] = true;\n                    let relative = this.relative(from);\n                    this.map.setSourceContent(relative, node.source.input.css);\n                }\n            }\n        });\n    }\n\n    applyPrevMaps() {\n        for ( let prev of this.previous() ) {\n            let from = this.relative(prev.file);\n            let root = prev.root || path.dirname(prev.file);\n            let map;\n\n            if ( this.mapOpts.sourcesContent === false ) {\n                map = new mozilla.SourceMapConsumer(prev.text);\n                if ( map.sourcesContent ) {\n                    map.sourcesContent = map.sourcesContent.map( () => null );\n                }\n            } else {\n                map = prev.consumer();\n            }\n\n            this.map.applySourceMap(map, from, this.relative(root));\n        }\n    }\n\n    isAnnotation() {\n        if ( this.isInline() ) {\n            return true;\n        } else if ( typeof this.mapOpts.annotation !== 'undefined' ) {\n            return this.mapOpts.annotation;\n        } else if ( this.previous().length ) {\n            return this.previous().some( i => i.annotation );\n        } else {\n            return true;\n        }\n    }\n\n    toBase64(str) {\n        if ( Buffer ) {\n            if ( Buffer.from && Buffer.from !== Uint8Array.from ) {\n                return Buffer.from(str).toString('base64');\n            } else {\n                return new Buffer(str).toString('base64');\n            }\n        } else {\n            return window.btoa(unescape(encodeURIComponent(str)));\n        }\n    }\n\n    addAnnotation() {\n        let content;\n\n        if ( this.isInline() ) {\n\n            content = 'data:application/json;base64,' +\n                this.toBase64(this.map.toString());\n\n        } else if ( typeof this.mapOpts.annotation === 'string' ) {\n            content = this.mapOpts.annotation;\n\n        } else {\n            content = this.outputFile() + '.map';\n        }\n\n        let eol   = '\\n';\n        if ( this.css.indexOf('\\r\\n') !== -1 ) eol = '\\r\\n';\n\n        this.css += eol + '/*# sourceMappingURL=' + content + ' */';\n    }\n\n    outputFile() {\n        if ( this.opts.to ) {\n            return this.relative(this.opts.to);\n        } else if ( this.opts.from ) {\n            return this.relative(this.opts.from);\n        } else {\n            return 'to.css';\n        }\n    }\n\n    generateMap() {\n        this.generateString();\n        if ( this.isSourcesContent() )    this.setSourcesContent();\n        if ( this.previous().length > 0 ) this.applyPrevMaps();\n        if ( this.isAnnotation() )        this.addAnnotation();\n\n        if ( this.isInline() ) {\n            return [this.css];\n        } else {\n            return [this.css, this.map];\n        }\n    }\n\n    relative(file) {\n        if ( file.indexOf('<') === 0 ) return file;\n        if ( /^\\w+:\\/\\//.test(file) ) return file;\n\n        let from = this.opts.to ? path.dirname(this.opts.to) : '.';\n\n        if ( typeof this.mapOpts.annotation === 'string' ) {\n            from = path.dirname( path.resolve(from, this.mapOpts.annotation) );\n        }\n\n        file = path.relative(from, file);\n        if ( path.sep === '\\\\' ) {\n            return file.replace(/\\\\/g, '/');\n        } else {\n            return file;\n        }\n    }\n\n    sourcePath(node) {\n        if ( this.mapOpts.from ) {\n            return this.mapOpts.from;\n        } else {\n            return this.relative(node.source.input.from);\n        }\n    }\n\n    generateString() {\n        this.css = '';\n        this.map = new mozilla.SourceMapGenerator({ file: this.outputFile() });\n\n        let line   = 1;\n        let column = 1;\n\n        let lines, last;\n        this.stringify(this.root, (str, node, type) => {\n            this.css += str;\n\n            if ( node && type !== 'end' ) {\n                if ( node.source && node.source.start ) {\n                    this.map.addMapping({\n                        source:    this.sourcePath(node),\n                        generated: { line, column: column - 1 },\n                        original:  {\n                            line:   node.source.start.line,\n                            column: node.source.start.column - 1\n                        }\n                    });\n                } else {\n                    this.map.addMapping({\n                        source:    '<no source>',\n                        original:  { line: 1, column: 0 },\n                        generated: { line, column: column - 1 }\n                    });\n                }\n            }\n\n            lines = str.match(/\\n/g);\n            if ( lines ) {\n                line  += lines.length;\n                last   = str.lastIndexOf('\\n');\n                column = str.length - last;\n            } else {\n                column += str.length;\n            }\n\n            if ( node && type !== 'start' ) {\n                if ( node.source && node.source.end ) {\n                    this.map.addMapping({\n                        source:    this.sourcePath(node),\n                        generated: { line, column: column - 1 },\n                        original:  {\n                            line:   node.source.end.line,\n                            column: node.source.end.column\n                        }\n                    });\n                } else {\n                    this.map.addMapping({\n                        source:    '<no source>',\n                        original:  { line: 1, column: 0 },\n                        generated: { line, column: column - 1 }\n                    });\n                }\n            }\n        });\n    }\n\n    generate() {\n        this.clearAnnotation();\n\n        if ( this.isMap() ) {\n            return this.generateMap();\n        } else {\n            let result = '';\n            this.stringify(this.root, i => {\n                result += i;\n            });\n            return [result];\n        }\n    }\n\n}\n"]}