01_README.md

Based on creating data for coverage.json documented here.

• "statement" is each non blank line in the source template
• "branch" is a block

Prototyping AST transform: here

02_input.hbs

<div>
  {{someText}}
  {{#if foo}}
    <button>Do it!</button>
  {{/if}}
</div>
{{#foo-bar}}
  {{render-something-here}}
{{/foo-bar}}

03_output.hbs

{{#ember-cli-code-coverage 
  '{
      "path": "app/templates/application.hbs", 
      "s": { 
        "1": 0,
        "2": 0,
        "3": 0,
        "4": 0,
        "5": 0,
        "6": 0
      },
      "b": { 
        "1": [0, 0],
        "2": [0, 0]
      },
      "f": { },
      "fnMap": { },
      "statementMap": { 
        "1": { "start": { "line": 1, "column": 0 }, "end": { "line": 6, "column": 7 } },
        "2": { "start": { "line": 2, "column": 2 }, "end": { "line": 2, "column": 14 } },
        "3": { "start": { "line": 3, "column": 2 }, "end": { "line": 5, "column": 9 } },
        "4": { "start": { "line": 4, "column": 4 }, "end": { "line": 4, "column": 27 } },
        "5": { "start": { "line": 7, "column": 0 }, "end": { "line": 9, "column": 12 } },
        "6": { "start": { "line": 8, "column": 2 }, "end": { "line": 10, "column": 27 } }
      },
      "branchMap": {
        "1": { "line": 3, "type": "if", "locations": [{ "start": { "line": 3, "column": 0 }, "end": { "line": 3, "column": 0 } }, { "start": { "line": 3, "column": 0 }, "end": { "line": 3, "column": 0 } }] },
        "2": { "line": 7, "type": "if", "locations": [{ "start": { "line": 7, "column": 0 }, "end": { "line": 7, "column": 0 } }, { "start": { "line": 7, "column": 0 }, "end": { "line": 7, "column": 0 } }] }
      },
      "code": [ 
        "<div>",
        "  {{someText}}",
        "  {{#if foo}}",
        "    <button>Do it!</button>",
        "  {{/if}}",
        "</div>",
        "{{#foo-bar}}",
        "  {{render-something-here}}",
        "{{/foo-bar}}"
      ]
    }' as |emberCLICodeCoverage|}}
    
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=1}}<div>
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=2}}  {{someText}}
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=3}}  {{#if foo}}
{{ember-cli-code-coverage-incr emberCLICodeCoverage branch=1 condition=0}}
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=4}}    <button>Do it!</button>
                                                                   {{/if}}
                                                                 </div>
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=5}}{{#foo-bar}}
{{ember-cli-code-coverage-incr emberCLICodeCoverage branch=2 condition=0  }}
{{ember-cli-code-coverage-incr emberCLICodeCoverage statement=6}}  {{render-something-here}}
                                                                 {{/foo-bar}}


{{/ember-cli-code-coverage}}