mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-31 15:27:50 +00:00
Replace the Makefile with a JavaScript-based build system (requires Node).
Former-commit-id: aedf3fb890ad4f84bafa6034a51c7668da07e08a
This commit is contained in:
Kit Cambridge
39
Makefile
39
Makefile
@@ -1,39 +0,0 @@
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BUILD_DIR = ${CURDIR}/build
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DIST_DIR = ${CURDIR}/dist
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VENDOR_DIR = ${CURDIR}/vendor
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JS_ENGINE ?= `which node nodejs 2>/dev/null`
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LODASH_TMP = ${BUILD_DIR}/lodash.tmp.js
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LODASH_COMPILER = ${DIST_DIR}/lodash.compiler.js
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LODASH_UGLIFY = ${DIST_DIR}/lodash.uglify.js
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UGLIFY = ${VENDOR_DIR}/uglifyjs/bin/uglifyjs
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CLOSURE_COMPILER = java -jar ${VENDOR_DIR}/closure-compiler/compiler.jar
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PRE_COMPILER = ${JS_ENGINE} ${BUILD_DIR}/pre-compile.js
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POST_COMPILER = ${JS_ENGINE} ${BUILD_DIR}/post-compile.js
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core:
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mkdir -p ${DIST_DIR}
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cp ${CURDIR}/lodash.js ${LODASH_TMP}
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${PRE_COMPILER} ${LODASH_TMP}
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${CLOSURE_COMPILER} \
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--compilation_level=ADVANCED_OPTIMIZATIONS \
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--language_in=ECMASCRIPT5_STRICT \
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--warning_level=QUIET \
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--js ${LODASH_TMP} \
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--js_output_file ${LODASH_COMPILER}
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${POST_COMPILER} ${LODASH_COMPILER}
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gzip -9f -c ${LODASH_COMPILER} > ${LODASH_COMPILER}.gz
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${UGLIFY} \
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--unsafe \
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--max-line-len 500 \
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-o ${LODASH_UGLIFY} \
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${LODASH_TMP}
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${POST_COMPILER} ${LODASH_UGLIFY}
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gzip -9f -c ${LODASH_UGLIFY} > ${LODASH_UGLIFY}.gz
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rm -f ${LODASH_TMP}
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348
build.js
Executable file
348
build.js
Executable file
@@ -0,0 +1,348 @@
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#!/usr/bin/env node
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;(function () {
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/* Load the Node file system, path, and child process modules. */
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var fs = require("fs"), path = require("path"), spawn = require("child_process").spawn,
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/* Load the UglifyJS compressor. */
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uglifyJS = require(path.join(__dirname, "vendor", "uglifyjs", "uglify-js")),
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/* The distribution directory. */
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distribution = path.join(__dirname, "dist"),
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/* The pre-processed Lodash source. */
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source = preprocess(fs.readFileSync(path.join(__dirname, "lodash.js"), "utf8"));
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/* Create the destination directory if it doesn't exist. */
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if (!path.existsSync(distribution)) {
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fs.mkdirSync(distribution);
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}
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/* Compress and `gzip` Lodash using the Closure Compiler. */
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compile(source, function (exception, results) {
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if (exception) {
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throw exception;
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}
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// Post-process the minified source.
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var source = postprocess(results);
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// Save the final minified version.
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fs.writeFileSync(path.join(distribution, "lodash.compiler.js"), source);
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gzip(source, function (exception, results) {
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if (exception) {
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throw exception;
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}
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// Save the `gzip`-ed version. The explicit `binary` encoding is
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// necessary to ensure that the stream is written correctly.
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fs.writeFileSync(path.join(distribution, "lodash.compiler.js.gz"), results, "binary");
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});
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});
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/* Compress and `gzip` Lodash using UglifyJS. */
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uglify(source, function (results) {
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var source = postprocess(results);
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fs.writeFileSync(path.join(distribution, "lodash.uglify.js"), source);
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gzip(source, function (exception, results) {
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if (exception) {
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throw exception;
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}
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fs.writeFileSync(path.join(distribution, "lodash.uglify.js.gz"), results, "binary");
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});
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});
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/* Compresses a `source` string using UglifyJS. Yields the result to a
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* `callback` function. This function is synchronous; the `callback` is used
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* for symmetry.
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*/
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function uglify(source, callback) {
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var results = uglifyJS.uglify.gen_code(
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// Enable unsafe transformations.
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uglifyJS.uglify.ast_squeeze_more(
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uglifyJS.uglify.ast_squeeze(
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// Munge variable and function names, excluding the special `define`
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// function exposed by asynchronous module loaders.
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uglifyJS.uglify.ast_mangle(uglifyJS.parser.parse(source), {
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"except": ["define"]
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}
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))), {
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"ascii_only": true
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});
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callback(uglifyJS.uglify.split_lines(results, 500));
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}
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||||
/* Compresses a `source` string using the Closure Compiler. Yields the
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* minified result to a `callback` function.
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*/
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function compile(source, callback) {
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var compiler = spawn("java", [
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// Load the Closure Compiler and set the compression options.
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"-jar", path.join(__dirname, "vendor", "closure-compiler", "compiler.jar"),
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"--compilation_level=ADVANCED_OPTIMIZATIONS",
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"--language_in=ECMASCRIPT5_STRICT",
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"--warning_level=QUIET"
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]), stdout = "", stderr = "";
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// Explicitly set the encoding of the output and error streams.
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compiler.stdout.setEncoding("utf8");
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compiler.stderr.setEncoding("utf8");
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compiler.stdout.on("data", function (data) {
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stdout += data;
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});
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compiler.stderr.on("data", function (data) {
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stderr += data;
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});
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compiler.on("exit", function (status) {
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var exception = null;
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if (status) {
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exception = new Error(stderr);
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exception.status = status;
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}
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callback(exception, stdout);
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});
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compiler.stdin.end(source);
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}
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/* Compresses a `source` string using the Unix `gzip` commands. Yields the
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* result, and any exceptions encountered, to a `callback` function.
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*/
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function gzip(source, callback) {
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||||
var compressor = spawn("gzip", ["-9f", "-c"]), stdout = "", stderr = "";
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compressor.stdout.setEncoding("binary");
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||||
compressor.stderr.setEncoding("utf8");
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||||
compressor.stdout.on("data", function (data) {
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stdout += data;
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||||
});
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||||
compressor.stderr.on("data", function (data) {
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||||
stderr += data;
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||||
});
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||||
compressor.on("exit", function (status) {
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||||
var exception = null;
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||||
if (status) {
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||||
exception = new Error(stderr);
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||||
exception.status = status;
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||||
}
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||||
callback(exception, stdout);
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||||
});
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||||
// Proxy the source string to the `gzip` executable.
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compressor.stdin.end(source);
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||||
}
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||||
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||||
/* Post-processes a compressed `source` string. */
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||||
function postprocess(source) {
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||||
/** The minimal license/copyright header */
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||||
var license =
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||||
'/*!\n' +
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||||
' Lo-Dash @VERSION github.com/bestiejs/lodash/blob/master/LICENSE.txt\n' +
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||||
' Underscore.js 1.3.3 github.com/documentcloud/underscore/blob/master/LICENSE\n' +
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||||
'*/';
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||||
|
||||
/*--------------------------------------------------------------------------*/
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||||
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||||
// set the version
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||||
license = license.replace('@VERSION', (/VERSION:([\'"])(.*?)\1/).exec(source).pop());
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||||
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||||
// move vars exposed by Closure Compiler into the IIFE
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||||
source = source.replace(/^([^(\n]+)\s*(\(function[^)]+\){)/, '$2$1');
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||||
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||||
// use double quotes consistently
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||||
source = source.replace(/'use strict'/, '"use strict"');
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||||
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||||
// add license
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||||
return license + '\n;' + source;
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||||
}
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||||
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||||
/* Pre-processes an uncompressed `source` string. */
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||||
function preprocess(source) {
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||||
/** Used to minify variables embedded in compiled strings */
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||||
var compiledVars = [
|
||||
'accumulator',
|
||||
'array',
|
||||
'arrayClass',
|
||||
'bind',
|
||||
'callback',
|
||||
'className',
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||||
'collection',
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||||
'computed',
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||||
'concat',
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||||
'current',
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||||
'false',
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||||
'funcClass',
|
||||
'hasOwnProperty',
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||||
'identity',
|
||||
'index',
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||||
'indexOf',
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||||
'Infinity',
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||||
'initial',
|
||||
'isArray',
|
||||
'isEmpty',
|
||||
'length',
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||||
'object',
|
||||
'Math',
|
||||
'property',
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||||
'result',
|
||||
'slice',
|
||||
'source',
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||||
'stringClass',
|
||||
'target',
|
||||
'thisArg',
|
||||
'toString',
|
||||
'true',
|
||||
'undefined',
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||||
'value',
|
||||
'values'
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||||
];
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||||
|
||||
/** Used to minify string values embedded in compiled strings */
|
||||
var compiledValues = [
|
||||
'arrays',
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||||
'objects'
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||||
];
|
||||
|
||||
/** Used to minify `iterationFactory` option properties */
|
||||
var iterationFactoryOptions = [
|
||||
'afterLoop',
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||||
'args',
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||||
'array',
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||||
'beforeLoop',
|
||||
'bottom',
|
||||
'exits',
|
||||
'inLoop',
|
||||
'init',
|
||||
'iterate',
|
||||
'loopExp',
|
||||
'object',
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||||
'returns',
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||||
'top',
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||||
'useHas'
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||||
];
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||||
|
||||
/** Used to minify variables and string values to a single character */
|
||||
var minNames = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
|
||||
|
||||
/** Used protect the specified properties from getting minified */
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||||
var propWhitelist = [
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||||
'_',
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||||
'amd',
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||||
'chain',
|
||||
'clearInterval',
|
||||
'criteria',
|
||||
'escape',
|
||||
'evaluate',
|
||||
'interpolate',
|
||||
'isEqual',
|
||||
'isFinite',
|
||||
'lodash',
|
||||
'setTimeout',
|
||||
'templateSettings',
|
||||
'toArray',
|
||||
'value',
|
||||
'variable'
|
||||
];
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
/**
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||||
* Remove copyright to add later in post-compile.js
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||||
*/
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||||
source = source.replace(/\/\*![\s\S]+?\*\//, '');
|
||||
|
||||
/**
|
||||
* Correct JSDoc tags for Closure Compiler.
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||||
*/
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||||
source = source.replace(/@(?:alias|category)[^\n]*/g, '');
|
||||
|
||||
/**
|
||||
* Add brackets to whitelisted properties so Closure Compiler won't mung them.
|
||||
* http://code.google.com/closure/compiler/docs/api-tutorial3.html#export
|
||||
*/
|
||||
source = source.replace(RegExp('\\.(' + iterationFactoryOptions.concat(propWhitelist).join('|') + ')\\b', 'g'), "['$1']");
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||||
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||||
/**
|
||||
* Minify `sortBy` and `template` methods.
|
||||
*/
|
||||
['sortBy', 'template'].forEach(function(methodName) {
|
||||
var properties = ['criteria', 'value'],
|
||||
snippet = source.match(RegExp('(\\n\\s*)function ' + methodName + '[\\s\\S]+?\\1}'))[0],
|
||||
result = snippet;
|
||||
|
||||
// minify property strings
|
||||
properties.forEach(function(property, index) {
|
||||
result = result.replace(RegExp("'" + property + "'", 'g'), "'" + minNames[index] + "'");
|
||||
});
|
||||
|
||||
// remove escaped newlines in strings
|
||||
result = result.replace(/\\n/g, '');
|
||||
|
||||
// replace with modified snippet
|
||||
source = source.replace(snippet, result);
|
||||
});
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* Minify all `iterationFactory` related snippets.
|
||||
*/
|
||||
source.match(
|
||||
RegExp([
|
||||
// match variables storing `iterationFactory` options
|
||||
'var [a-zA-Z]+FactoryOptions\\s*=\\s*\\{[\\s\\S]+?};\\n',
|
||||
// match the the `iterationFactory` function
|
||||
'(\\n\\s*)function iterationFactory[\\s\\S]+?\\1}',
|
||||
// match methods created by `iterationFactor` calls
|
||||
'iterationFactory\\((?:[\'{]|[a-zA-Z]+,)[\\s\\S]+?\\);\\n'
|
||||
].join('|'), 'g')
|
||||
)
|
||||
.forEach(function(snippet, index) {
|
||||
var result = snippet;
|
||||
|
||||
// add `true` and `false` arguments to be minified
|
||||
if (/function iterationFactory/.test(snippet)) {
|
||||
result = result
|
||||
.replace(/(Function\('[\s\S]+?)undefined/, '$1true,false,undefined')
|
||||
.replace(/\)\([^)]+/, '$&,true,false');
|
||||
|
||||
// replace with modified snippet early and clip snippet
|
||||
source = source.replace(snippet, result);
|
||||
snippet = result = result.replace(/\)\([\s\S]+$/, '');
|
||||
}
|
||||
|
||||
// minify snippet variables/arguments
|
||||
compiledVars.forEach(function(variable, index) {
|
||||
result = result.replace(RegExp('([^.]\\b|\\\\n)' + variable + '\\b(?!\'\\s*[\\]:])', 'g'), '$1' + minNames[index]);
|
||||
// correct `typeof x == 'object'`
|
||||
if (variable == 'object') {
|
||||
result = result.replace(RegExp("(typeof [^']+')" + minNames[index] + "'", 'g'), "$1object'");
|
||||
}
|
||||
// correct boolean literals
|
||||
if (variable == 'true' || variable == 'false') {
|
||||
result = result
|
||||
.replace(RegExp(':\\s*' + minNames[index] + '\\s*,', 'g'), ':' + variable + ',')
|
||||
.replace(RegExp('\\s*' + minNames[index] + '\\s*;', 'g'), variable + ';');
|
||||
}
|
||||
});
|
||||
|
||||
// minify snippet values
|
||||
compiledValues.forEach(function(value, index) {
|
||||
result = result.replace(RegExp("'" + value + "'", 'g'), "'" + minNames[index] + "'");
|
||||
});
|
||||
|
||||
// minify iterationFactory option property strings
|
||||
iterationFactoryOptions.forEach(function(property, index) {
|
||||
if (property == 'array' || property == 'object') {
|
||||
result = result.replace(RegExp("'" + property + "'(\\s*[\\]:])", 'g'), "'" + minNames[index] + "'$1");
|
||||
} else {
|
||||
result = result.replace(RegExp("'" + property + "'", 'g'), "'" + minNames[index] + "'");
|
||||
}
|
||||
});
|
||||
|
||||
// remove escaped newlines in strings
|
||||
result = result.replace(/\\n/g, '');
|
||||
|
||||
// replace with modified snippet
|
||||
source = source.replace(snippet, result);
|
||||
});
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
// write to the same file
|
||||
return source;
|
||||
}
|
||||
}());
|
||||
@@ -1,34 +0,0 @@
|
||||
#!/usr/bin/env node
|
||||
;(function() {
|
||||
'use strict';
|
||||
|
||||
/** The filesystem module */
|
||||
var fs = require('fs');
|
||||
|
||||
/** The JavaScript source */
|
||||
var src = fs.readFileSync(process.argv[2], 'utf8');
|
||||
|
||||
/** The minimal license/copyright header */
|
||||
var license =
|
||||
'/*!\n' +
|
||||
' Lo-Dash @VERSION github.com/bestiejs/lodash/blob/master/LICENSE.txt\n' +
|
||||
' Underscore.js 1.3.3 github.com/documentcloud/underscore/blob/master/LICENSE\n' +
|
||||
'*/';
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
// set the version
|
||||
license = license.replace('@VERSION', /VERSION:([\'"])(.*?)\1/.exec(src).pop());
|
||||
|
||||
// move vars exposed by Closure Compiler into the IIFE
|
||||
src = src.replace(/^([^(\n]+)\s*(\(function[^)]+\){)/, '$2$1');
|
||||
|
||||
// use double quotes consistently
|
||||
src = src.replace(/'use strict'/, '"use strict"');
|
||||
|
||||
// add license
|
||||
src = license + '\n;' + src;
|
||||
|
||||
// write to the same file
|
||||
fs.writeFileSync(process.argv[2], src, 'utf8');
|
||||
}());
|
||||
@@ -1,204 +0,0 @@
|
||||
#!/usr/bin/env node
|
||||
;(function() {
|
||||
'use strict';
|
||||
|
||||
/** The filesystem module */
|
||||
var fs = require('fs');
|
||||
|
||||
/** The JavaScript source */
|
||||
var src = fs.readFileSync(process.argv[2], 'utf8');
|
||||
|
||||
/** Used to minify variables embedded in compiled strings */
|
||||
var compiledVars = [
|
||||
'accumulator',
|
||||
'array',
|
||||
'arrayClass',
|
||||
'bind',
|
||||
'callback',
|
||||
'className',
|
||||
'collection',
|
||||
'computed',
|
||||
'concat',
|
||||
'current',
|
||||
'false',
|
||||
'funcClass',
|
||||
'hasOwnProperty',
|
||||
'identity',
|
||||
'index',
|
||||
'indexOf',
|
||||
'Infinity',
|
||||
'initial',
|
||||
'isArray',
|
||||
'isEmpty',
|
||||
'length',
|
||||
'object',
|
||||
'Math',
|
||||
'property',
|
||||
'result',
|
||||
'slice',
|
||||
'source',
|
||||
'stringClass',
|
||||
'target',
|
||||
'thisArg',
|
||||
'toString',
|
||||
'true',
|
||||
'undefined',
|
||||
'value',
|
||||
'values'
|
||||
];
|
||||
|
||||
/** Used to minify string values embedded in compiled strings */
|
||||
var compiledValues = [
|
||||
'arrays',
|
||||
'objects'
|
||||
];
|
||||
|
||||
/** Used to minify `iterationFactory` option properties */
|
||||
var iterationFactoryOptions = [
|
||||
'afterLoop',
|
||||
'args',
|
||||
'array',
|
||||
'beforeLoop',
|
||||
'bottom',
|
||||
'exits',
|
||||
'inLoop',
|
||||
'init',
|
||||
'iterate',
|
||||
'loopExp',
|
||||
'object',
|
||||
'returns',
|
||||
'top',
|
||||
'useHas'
|
||||
];
|
||||
|
||||
/** Used to minify variables and string values to a single character */
|
||||
var minNames = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
|
||||
|
||||
/** Used protect the specified properties from getting minified */
|
||||
var propWhitelist = [
|
||||
'_',
|
||||
'amd',
|
||||
'chain',
|
||||
'clearInterval',
|
||||
'criteria',
|
||||
'escape',
|
||||
'evaluate',
|
||||
'interpolate',
|
||||
'isEqual',
|
||||
'isFinite',
|
||||
'lodash',
|
||||
'setTimeout',
|
||||
'templateSettings',
|
||||
'toArray',
|
||||
'value',
|
||||
'variable'
|
||||
];
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* Remove copyright to add later in post-compile.js
|
||||
*/
|
||||
src = src.replace(/\/\*![\s\S]+?\*\//, '');
|
||||
|
||||
/**
|
||||
* Correct JSDoc tags for Closure Compiler.
|
||||
*/
|
||||
src = src.replace(/@(?:alias|category)[^\n]*/g, '');
|
||||
|
||||
/**
|
||||
* Add brackets to whitelisted properties so Closure Compiler won't mung them.
|
||||
* http://code.google.com/closure/compiler/docs/api-tutorial3.html#export
|
||||
*/
|
||||
src = src.replace(RegExp('\\.(' + iterationFactoryOptions.concat(propWhitelist).join('|') + ')\\b', 'g'), "['$1']");
|
||||
|
||||
/**
|
||||
* Minify `sortBy` and `template` methods.
|
||||
*/
|
||||
['sortBy', 'template'].forEach(function(methodName) {
|
||||
var properties = ['criteria', 'value'],
|
||||
snippet = src.match(RegExp('(\\n\\s*)function ' + methodName + '[\\s\\S]+?\\1}'))[0],
|
||||
result = snippet;
|
||||
|
||||
// minify property strings
|
||||
properties.forEach(function(property, index) {
|
||||
result = result.replace(RegExp("'" + property + "'", 'g'), "'" + minNames[index] + "'");
|
||||
});
|
||||
|
||||
// remove escaped newlines in strings
|
||||
result = result.replace(/\\n/g, '');
|
||||
|
||||
// replace with modified snippet
|
||||
src = src.replace(snippet, result);
|
||||
});
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* Minify all `iterationFactory` related snippets.
|
||||
*/
|
||||
src.match(
|
||||
RegExp([
|
||||
// match variables storing `iterationFactory` options
|
||||
'var [a-zA-Z]+FactoryOptions\\s*=\\s*\\{[\\s\\S]+?};\\n',
|
||||
// match the the `iterationFactory` function
|
||||
'(\\n\\s*)function iterationFactory[\\s\\S]+?\\1}',
|
||||
// match methods created by `iterationFactor` calls
|
||||
'iterationFactory\\((?:[\'{]|[a-zA-Z]+,)[\\s\\S]+?\\);\\n'
|
||||
].join('|'), 'g')
|
||||
)
|
||||
.forEach(function(snippet, index) {
|
||||
var result = snippet;
|
||||
|
||||
// add `true` and `false` arguments to be minified
|
||||
if (/function iterationFactory/.test(snippet)) {
|
||||
result = result
|
||||
.replace(/(Function\('[\s\S]+?)undefined/, '$1true,false,undefined')
|
||||
.replace(/\)\([^)]+/, '$&,true,false');
|
||||
|
||||
// replace with modified snippet early and clip snippet
|
||||
src = src.replace(snippet, result);
|
||||
snippet = result = result.replace(/\)\([\s\S]+$/, '');
|
||||
}
|
||||
|
||||
// minify snippet variables/arguments
|
||||
compiledVars.forEach(function(variable, index) {
|
||||
result = result.replace(RegExp('([^.]\\b|\\\\n)' + variable + '\\b(?!\'\\s*[\\]:])', 'g'), '$1' + minNames[index]);
|
||||
// correct `typeof x == 'object'`
|
||||
if (variable == 'object') {
|
||||
result = result.replace(RegExp("(typeof [^']+')" + minNames[index] + "'", 'g'), "$1object'");
|
||||
}
|
||||
// correct boolean literals
|
||||
if (variable == 'true' || variable == 'false') {
|
||||
result = result
|
||||
.replace(RegExp(':\\s*' + minNames[index] + '\\s*,', 'g'), ':' + variable + ',')
|
||||
.replace(RegExp('\\s*' + minNames[index] + '\\s*;', 'g'), variable + ';');
|
||||
}
|
||||
});
|
||||
|
||||
// minify snippet values
|
||||
compiledValues.forEach(function(value, index) {
|
||||
result = result.replace(RegExp("'" + value + "'", 'g'), "'" + minNames[index] + "'");
|
||||
});
|
||||
|
||||
// minify iterationFactory option property strings
|
||||
iterationFactoryOptions.forEach(function(property, index) {
|
||||
if (property == 'array' || property == 'object') {
|
||||
result = result.replace(RegExp("'" + property + "'(\\s*[\\]:])", 'g'), "'" + minNames[index] + "'$1");
|
||||
} else {
|
||||
result = result.replace(RegExp("'" + property + "'", 'g'), "'" + minNames[index] + "'");
|
||||
}
|
||||
});
|
||||
|
||||
// remove escaped newlines in strings
|
||||
result = result.replace(/\\n/g, '');
|
||||
|
||||
// replace with modified snippet
|
||||
src = src.replace(snippet, result);
|
||||
});
|
||||
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
// write to the same file
|
||||
fs.writeFileSync(process.argv[2], src, 'utf8');
|
||||
}());
|
||||
Reference in New Issue
Block a user