-
Notifications
You must be signed in to change notification settings - Fork 137
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
139 additions
and
27 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| var fs = require('fs'); | ||
|
|
||
| var inputFiles = process.argv.slice(2, -1); | ||
|
|
||
| var allVars = []; | ||
| var allHelperNames = []; | ||
| var allHelperValues = {}; | ||
| var allBodies = []; | ||
|
|
||
| for (var file of inputFiles) { | ||
| var inputText = fs.readFileSync(file, 'utf8').replace(/\r\n/g, '\n'); | ||
|
|
||
| var parts = inputText.match(/^\(function\(\) {\n var ([\w$]+(?:, [\w$]+)*)((?:,\n [\w$]+ = .*)*);\n\n([^]*)\n\n}\)\.call\(this\);\n$/); | ||
| if (!parts) throw new Error(`${file}: unexpected format`); | ||
|
|
||
| var vars = parts[1].split(', '); | ||
| for (var v of vars) { | ||
| if (allVars.indexOf(v) >= 0) { | ||
| throw new Error(`${file}: reused variable name ${v}`); | ||
| } | ||
| if (allHelperNames.indexOf(v) >= 0) { | ||
| throw new Error(`${file}: variable clashes with helper ${v}`); | ||
| } | ||
| allVars.push(v); | ||
| } | ||
|
|
||
| var helpers = parts[2].split(',\n ').slice(1); | ||
| for (var h of helpers) { | ||
| var hparts = h.match(/^([\w$]+) = (.*)$/); | ||
| var hn = hparts[1]; | ||
| var hv = hparts[2]; | ||
| if (allVars.indexOf(hn) >= 0) { | ||
| throw new Error(`${file}: helper clashes with variable ${v}`); | ||
| } | ||
| if (allHelperNames.indexOf(hn) >= 0) { | ||
| if (allHelperValues[hn] !== hv) { | ||
| throw new Error(`${file}: redefined helper ${hn}`); | ||
| } | ||
| } else { | ||
| allHelperNames.push(hn); | ||
| allHelperValues[hn] = hv; | ||
| } | ||
| } | ||
|
|
||
| var body = parts[3]; | ||
| allBodies.push(body); | ||
| } | ||
|
|
||
| var varText = allVars.sort().join(', '); | ||
| var helperText = allHelperNames.map(hn => `,\n ${hn} = ${allHelperValues[hn]}`).join(''); | ||
| var bodyText = allBodies.join('\n\n'); | ||
|
|
||
| var outputText = `(function() {\n var ${varText}${helperText};\n\n${bodyText}\n\n}).call(this);\n`; | ||
|
|
||
| var outputName = process.argv[process.argv.length - 1]; | ||
| fs.writeFileSync(outputName, outputText); |