Tools: polymer 2 - build fails

[madhusudhand]

Description

the command polymer build --entrypoint elements.html fails with the following errors.

elements.html contains

<link href="../../bower_components/paper-button/paper-button.html" rel="import">

error: Promise rejection: Error: Error parsing script in bower_components/polymer/lib/legacy/class.html at NaN:NaN
TypeError: Cannot read property 'forEach' of undefined
at Object.enterMethodDefinition (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/element-finder.js:92:38)
at applyVisitors (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:31:51)
at Controller.enter (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:54:20)
at Controller.__execute (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:395:31)
at Controller.traverse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:493:28)
at Object.traverse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:705:27)
at Object.jsParse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:75:16)
at Analyzer._processScript (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:318:43)
at /Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:301:44
at Array.forEach (native)
error: Error: Error parsing script in bower_components/polymer/lib/legacy/class.html at NaN:NaN
TypeError: Cannot read property 'forEach' of undefined
at Object.enterMethodDefinition (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/element-finder.js:92:38)
at applyVisitors (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:31:51)
at Controller.enter (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:54:20)
at Controller.__execute (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:395:31)
at Controller.traverse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:493:28)
at Object.traverse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/estraverse/estraverse.js:705:27)
at Object.jsParse (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/ast-utils/js-parse.js:75:16)
at Analyzer._processScript (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:318:43)
at /Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:301:44
at Array.forEach (native)
at Analyzer._processScript (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:331:36)
at /Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:301:44
at Array.forEach (native)
at Analyzer._processScripts (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:300:21)
at Analyzer._parseHTML (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:161:39)
at Timeout._onTimeout (/Users/madhusudhanad/ng4/angular4-polymer/node_modules/hydrolysis/lib/analyzer.js:125:39)
at ontimeout (timers.js:365:14)
at tryOnTimeout (timers.js:237:5)
at Timer.listOnTimeout (timers.js:207:5)

Versions & Environment

• Polymer CLI: 0.17.0
• node: 6.9.2
• Operating System: MacOS Sierra

Steps to Reproduce

1. Create an angular project (ng new project-name).
2. Create a elements.html inside assets and ad an entry.

1. Build: polymer build --entrypoint src/assets/elements.html

[jsilvermist]

Is this problem fixed if you update polymer-cli to 0.18.0?

[madhusudhand]

Yes