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Add module.exports to globalize.js and template.js.

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This commit is contained in:
ccd0 2016-04-19 01:43:34 -07:00
parent 716c598cd5
commit c89a977963
2 changed files with 62 additions and 32 deletions
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33
tools/globalize.js
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@ -1,8 +1,7 @@
var fs = require('fs');
for (var arg of process.argv.slice(2)) {
var filename = `tmp/${arg}.js`;
var basename = arg.split('_')[0]; // e.g. template_crx -> template
function getNames(part) {
var basename = part.split('_')[0]; // e.g. template_crx -> template
var sources = fs.readdirSync(`src/${basename}`);
// Extract variables to be made global from source file list
@ -13,9 +12,10 @@ for (var arg of process.argv.slice(2)) {
var m = f.match(/^([$A-Z][$\w]*)\.coffee$/);
if (m) names.push(m[1]);
}
return names;
}
var script = fs.readFileSync(filename, 'utf8').replace(/\r\n/g, '\n');
function globalize(script, names) {
var replaced = 0;
script = script.replace(
@ -26,15 +26,32 @@ for (var arg of process.argv.slice(2)) {
function(declaration, v, n, e) {
replaced++;
var n0 = names.sort().join(', ');
if (n0 !== n) throw new Error(`${filename}: expected variables (${n0}) found (${n})`);
if (n0 !== n) throw new Error(`expected variables (${n0}) found (${n})`);
return (e[0] === ',') ? v : '';
}
);
if (replaced !== 1) {
throw new Error(`${filename}: no declaration found`);
throw new Error(`no declaration found`);
}
fs.writeFileSync(filename, script);
return script;
}
module.exports = {
getNames: getNames,
globalize: globalize
};
if (require.main === module) {
(function() {
for (var part of process.argv.slice(2)) {
var filename = `tmp/${part}.js`;
var names = getNames(part);
var script = fs.readFileSync(filename, 'utf8').replace(/\r\n/g, '\n');
script = globalize(script, names);
fs.writeFileSync(filename, script);
}
})();
}

61
tools/template.js
View File

@ -1,32 +1,32 @@
var fs = require('fs');
var template = require('lodash.template');
var _template = require('lodash.template');
var esprima = require('esprima');
// disable ES6 delimiters
var templateSettings = {interpolate: /<%=([\s\S]+?)%>/g};
var _templateSettings = {interpolate: /<%=([\s\S]+?)%>/g};
var obj = {};
var tools = {};
obj.require = {};
tools.require = {};
for (var m of ['style']) {
obj.require[m] = () => require(`./${m}`);
tools.require[m] = () => require(`./${m}`);
}
var read = obj.read = filename => fs.readFileSync(filename, 'utf8').replace(/\r\n/g, '\n');
var readJSON = obj.readJSON = filename => JSON.parse(read(filename));
obj.readBase64 = filename => fs.readFileSync(filename).toString('base64');
var read = tools.read = filename => fs.readFileSync(filename, 'utf8').replace(/\r\n/g, '\n');
var readJSON = tools.readJSON = filename => JSON.parse(read(filename));
tools.readBase64 = filename => fs.readFileSync(filename).toString('base64');
// Convert JSON object to Coffeescript expression (via embedded JS).
var constExpression = data => '`' + JSON.stringify(data).replace(/`/g, '\\`') + '`';
obj.multiline = function(text) {
tools.multiline = function(text) {
return text.replace(/\n+/g, '\n').split(/^/m).map(JSON.stringify).join(' +\n').replace(/`/g, '\\`');
};
obj.importHTML = function(filename) {
tools.importHTML = function(filename) {
var text = read(`src/${filename}.html`).replace(/^ +/gm, '').replace(/\r?\n/g, '');
text = template(text, templateSettings)(pkg); // variables only; no recursive imports
return obj.html(text);
text = _template(text, _templateSettings)(pkg); // variables only; no recursive imports
return tools.html(text);
};
function TextStream(text) {
@ -164,7 +164,7 @@ Placeholder.prototype.build = function() {
// HTML template generator with placeholders of forms ${}, &{}, @{}, and ?{}{}{} (see Placeholder.prototype.build)
// that checks safety of generated expressions at compile time.
obj.html = function(template) {
tools.html = function(template) {
var stream = new TextStream(template);
var output = parseHTMLTemplate(stream);
if (stream.text) {
@ -173,7 +173,7 @@ obj.html = function(template) {
return `(innerHTML: ${output})`;
};
obj.assert = function(flagFile, statement) {
tools.assert = function(flagFile, statement) {
if (!readJSON(flagFile)) return '';
return `throw new Error 'Assertion failed: ' + ${constExpression(statement)} unless ${statement}`;
};
@ -181,16 +181,29 @@ obj.assert = function(flagFile, statement) {
// Import variables from package.json.
var pkg = readJSON('package.json');
// Take variables from command line.
for (var i = 4; i < process.argv.length; i++) {
var m = process.argv[i].match(/(.*?)=(.*)/);
pkg[m[1]] = m[2];
function interpolate(text, data) {
var context = {}, key;
for (key in tools) context[key] = tools[key];
for (key in pkg) context[key] = pkg[key];
if (data) {
for (key in data) context[key] = data[key];
}
return _template(text, _templateSettings)(context);
}
for (var key in pkg) {
obj[key] = pkg[key];
}
module.exports = interpolate;
var text = read(process.argv[2]);
text = template(text, templateSettings)(obj);
fs.writeFileSync(process.argv[3], text);
if (require.main === module) {
(function() {
// Take variables from command line.
var data = {};
for (var i = 4; i < process.argv.length; i++) {
var m = process.argv[i].match(/(.*?)=(.*)/);
data[m[1]] = m[2];
}
var text = read(process.argv[2]);
text = interpolate(text, data);
fs.writeFileSync(process.argv[3], text);
})();
}