Nils Knappmeier
34 lines
958 B
JavaScript
34 lines
958 B
JavaScript
const { execFileWithInheritedOutput } = require('./util/exec-file');
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const { createRegisterAsyncTaskFn } = require('./util/async-grunt-task');
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const OUTPUT_FILE = 'lib/handlebars/compiler/parser.js';
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module.exports = function(grunt) {
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const registerAsyncTask = createRegisterAsyncTaskFn(grunt);
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registerAsyncTask('parser', async () => {
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await runJison();
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combineWithPrefixAndSuffix();
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grunt.log.writeln(`Parser "${OUTPUT_FILE}" created.`);
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});
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async function runJison() {
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await execFileWithInheritedOutput('jison', [
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'-m',
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'js',
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'src/handlebars.yy',
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'src/handlebars.l'
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]);
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}
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function combineWithPrefixAndSuffix() {
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const combinedParserSourceCode =
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grunt.file.read('src/parser-prefix.js') +
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grunt.file.read('handlebars.js') +
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grunt.file.read('src/parser-suffix.js');
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grunt.file.write(OUTPUT_FILE, combinedParserSourceCode);
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grunt.file.delete('handlebars.js');
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}
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};
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