svg to flutter icons

gulpfile.js

const gulp = require('gulp');
const iconfont = require('gulp-iconfont');
const ext_replace = require('gulp-ext-replace');
const consolidate = require('gulp-consolidate')
const runTimestamp = Math.round(Date.now() / 1000);

gulp.task('default', function () {
    return gulp.src(['icons/*.svg'])
        .pipe(
            iconfont({
                fontName: 'SvgIcons',
                prependUnicode: true,
                formats: ['ttf'],
                timestamp: runTimestamp,
                fontHeight: 2000,
                normalize: true,
            }),
        )
        .on('glyphs', function (glyphs) {
            const options = {
                fontPath: '../fonts/',
                glyphs: glyphs.map(mapGlyph)
            }
            console.log(glyphs, options);
            gulp.src('svg_icons.dart.tmpl')
                .pipe(consolidate('lodash', options))
                .pipe(ext_replace('.dart', '.dart.tmpl'))
                .pipe(gulp.dest('lib/'))
        })
        .pipe(gulp.dest('fonts/'));
});

const snakeToCamel = (str) => str.replace(
    /([-_][a-z])/g,
    (group) => group.toUpperCase()
        .replace('-', '')
        .replace('_', '')
);

function mapGlyph(glyph) {
    return {
        name: snakeToCamel(glyph.name),
        codepoint: glyph.unicode[0].charCodeAt(0),
    }
}

packages.json

{
  "devDependencies": {
    "gulp": "^4.0.2",
    "gulp-consolidate": "^0.2.0",
    "gulp-ext-replace": "^0.3.0",
    "gulp-iconfont": "^11.0.0",
    "gulp-rename": "^2.0.0"
  }
}

svg_icons.dart.tmpl

import 'package:flutter/widgets.dart';

class SvgIcons {
  SvgIcons._();

  static const _fam = 'SvgIcons';
  static const _pkg = 'svg_icons';

<% _.each(glyphs, function(glyph) { %>  static const IconData <%= glyph.name %> = IconData(0x<%= glyph.codepoint.toString(16).toUpperCase() %>, fontFamily: _fam, fontPackage: _pkg);
<% }); %>}