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Gruntfile.js
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Gruntfile.js
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/* eslint func-names: "off" */
module.exports = function (grunt) {
grunt.initConfig({
pkg: grunt.file.readJSON('package.json'),
eslint: {
target: [
'Gruntfile.js',
'src/signature_pad.js',
],
},
babel: {
dist: {
files: {
'dist/signature_pad.js': ['src/signature_pad.js'],
},
},
},
uglify: {
dist: {
options: {
preserveComments: false,
},
files: {
'dist/signature_pad.min.js': ['dist/signature_pad.js'],
},
},
},
banner: {
dev: {
options: {
banner: '/*!\n' +
' * Signature Pad v<%= pkg.version %>\n' +
' * <%= pkg.homepage %>\n' +
' *\n' +
" * Copyright <%= grunt.template.today('yyyy') %> <%= pkg.author.name %>\n" +
' * Released under the MIT license\n' +
' *\n' +
' * The main idea and some parts of the code (e.g. drawing variable width Bézier curve) are taken from:\n' +
' * http://corner.squareup.com/2012/07/smoother-signatures.html\n' +
' *\n' +
' * Implementation of interpolation using cubic Bézier curves is taken from:\n' +
' * http://benknowscode.wordpress.com/2012/09/14/path-interpolation-using-cubic-bezier-and-control-point-estimation-in-javascript\n' +
' *\n' +
' * Algorithm for approximated length of a Bézier curve is taken from:\n' +
' * http://www.lemoda.net/maths/bezier-length/index.html\n' +
' *\n' +
' */\n',
},
files: {
'dist/signature_pad.js': ['dist/signature_pad.js'],
},
},
dist: {
options: {
banner: '/*!\n' +
' * Signature Pad v<%= pkg.version %> | <%= pkg.homepage %>\n' +
" * (c) <%= grunt.template.today('yyyy') %> <%= pkg.author.name %> | Released under the MIT license\n" +
' */\n',
},
files: {
'dist/signature_pad.min.js': ['dist/signature_pad.min.js'],
},
},
},
});
grunt.registerMultiTask('banner', 'Add banner to files.', function () {
const options = this.options({
banner: '',
});
const banner = grunt.template.process(options.banner);
this.files.forEach((f) => {
let output = grunt.file.read(f.src);
output = banner + output;
grunt.file.write(f.dest, output);
});
});
grunt.loadNpmTasks('grunt-eslint');
grunt.loadNpmTasks('grunt-babel');
grunt.loadNpmTasks('grunt-contrib-uglify');
grunt.registerTask('default', [
'eslint',
'babel',
'uglify',
'banner',
]);
};