Damaged source files in spa

bad.yaml

testimonial:
    source:
        a.js: |
            var b = require("b");
            module.exports = function() { return "a" + b; };
        spa.yaml: |
            pretty: true
            grab: true
            root: "."
            manifest: "../build/manifest.json"
            hosting:
                "./(**/*.*)": "http://127.0.0.1:8010/$1"
            coding_func:
                name: aes-gcm
                password: babuka
                iter: 1000
                ks: 128
                ts: 128
            copying:
                "./(**/*.*)": "../build/$1"
    node_modules:
        b:
            index.js: |
                module.exports = "b";

good.yaml

testimonial:
    source:
        a.js: |
            var b = require("b");
            module.exports = function() { return "a" + b; };
        spa.yaml: |
            pretty: true
            grab: true
            root: "."
            manifest: "../build/manifest.json"
            hosting:
                "./(**/*.*)": "http://127.0.0.1:8010/$1"
            coding_func:
                name: aes-gcm
                password: babuka
                iter: 1000
                ks: 128
                ts: 128
            copying:
                "./../node_modules/(**/*.*)": "../build/node_modules/$1"
                "./(**/*.*)": "../build/source/$1"
    node_modules:
        b:
            index.js: |
                module.exports = "b";