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Add --source-map build option. [closes #161]

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Former-commit-id: e0cac11fda86671d944de5c157d3df3146d6def1
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John-David Dalton
2013-01-18 02:37:22 -08:00
parent 5fe7ca5e70
commit b52d9d1bdd
4 changed files with 134 additions and 50 deletions
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61
build.js
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@@ -580,13 +580,14 @@
'',
' Options:',
'',
' -c, --stdout Write output to standard output',
' -d, --debug Write only the debug output',
' -h, --help Display help information',
' -m, --minify Write only the minified output',
' -o, --output Write output to a given path/filename',
' -s, --silent Skip status updates normally logged to the console',
' -V, --version Output current version of Lo-Dash',
' -c, --stdout Write output to standard output',
' -d, --debug Write only the debug output',
' -h, --help Display help information',
' -m, --minify Write only the minified output',
' -o, --output Write output to a given path/filename',
' -p, --source-map Generate a source map for the minified output',
' -s, --silent Skip status updates normally logged to the console',
' -V, --version Output current version of Lo-Dash',
''
].join('\n'));
}
@@ -1182,7 +1183,7 @@
// used to report invalid command-line arguments
var invalidArgs = _.reject(options.slice(options[0] == 'node' ? 2 : 0), function(value, index, options) {
if (/^(?:-o|--output)$/.test(options[index - 1]) ||
/^(?:category|exclude|exports|iife|include|moduleId|minus|plus|settings|template)=.*$/i.test(value)) {
/^(?:category|exclude|exports|iife|include|moduleId|minus|plus|settings|template)=.*$/.test(value)) {
return true;
}
return [
@@ -1198,6 +1199,7 @@
'-h', '--help',
'-m', '--minify',
'-o', '--output',
'-p', '--source-map',
'-s', '--silent',
'-V', '--version'
].indexOf(value) > -1;
@@ -1241,6 +1243,9 @@
return match ? match[1] : result;
}, null);
// the path to the source file
var filePath = path.join(__dirname, 'lodash.js');
// flag used to specify a Backbone build
var isBackbone = options.indexOf('backbone') > -1;
@@ -1256,8 +1261,11 @@
// flag used to specify an Underscore build
var isUnderscore = options.indexOf('underscore') > -1;
// flag used to specify creating a source map for the minified source
var isMapped = options.indexOf('-p') > -1 || options.indexOf('--source-map') > -1;
// flag used to specify only creating the minified build
var isMinify = !isDebug && options.indexOf('-m') > -1 || options.indexOf('--minify')> -1;
var isMinify = options.indexOf('-m') > -1 || options.indexOf('--minify') > -1;
// flag used to specify a mobile build
var isMobile = !isLegacy && (isCSP || isUnderscore || options.indexOf('mobile') > -1);
@@ -1325,7 +1333,7 @@
var isTemplate = !!templatePattern;
// the lodash.js source
var source = fs.readFileSync(path.join(__dirname, 'lodash.js'), 'utf8');
var source = fs.readFileSync(filePath, 'utf8');
// flag used to specify replacing Lo-Dash's `_.clone` with Underscore's
var useUnderscoreClone = isUnderscore;
@@ -2123,7 +2131,7 @@
/*------------------------------------------------------------------------*/
// used to specify creating a custom build
var isCustom = isBackbone || isLegacy || isMobile || isStrict || isUnderscore ||
var isCustom = isBackbone || isLegacy || isMapped || isMobile || isStrict || isUnderscore ||
/(?:category|exclude|exports|iife|include|minus|plus)=/.test(options) ||
!_.isEqual(exportsOptions, exportsAll);
@@ -2144,7 +2152,10 @@
stdout.write(debugSource);
callback(debugSource);
} else if (!isStdOut) {
callback(debugSource, (isDebug && outputPath) || path.join(cwd, basename + '.js'));
callback({
'source': debugSource,
'outputPath': (isDebug && outputPath) || path.join(cwd, basename + '.js')
});
}
}
// begin the minification process
@@ -2152,22 +2163,24 @@
outputPath || (outputPath = path.join(cwd, basename + '.min.js'));
minify(source, {
'filePath': filePath,
'isMapped': isMapped,
'isSilent': isSilent,
'isTemplate': isTemplate,
'outputPath': outputPath,
'onComplete': function(source) {
'onComplete': function(data) {
// inject "use strict" directive
if (isStrict) {
source = source.replace(/^([\s\S]*?function[^{]+{)([^"'])/, '$1"use strict";$2');
data.source = data.source.replace(/^([\s\S]*?function[^{]+{)([^"'])/, '$1"use strict";$2');
}
if (isCustom) {
source = addCommandsToHeader(source, options);
data.source = addCommandsToHeader(data.source, options);
}
if (isStdOut) {
stdout.write(source);
callback(source);
stdout.write(data.source);
callback(data);
} else {
callback(source, outputPath);
callback(data);
}
}
});
@@ -2182,8 +2195,16 @@
}
else {
// or invoked directly
build(process.argv, function(source, filePath) {
filePath && fs.writeFileSync(filePath, source, 'utf8');
build(process.argv, function(data) {
var outputPath = data.outputPath,
sourceMap = data.sourceMap;
if (outputPath) {
fs.writeFileSync(outputPath, data.source, 'utf8');
if (sourceMap) {
fs.writeFileSync(path.join(path.dirname(outputPath), path.basename(outputPath, '.js') + '.map'), sourceMap, 'utf8');
}
}
});
}
}());