Add support for changing the length of edges

Resolves #637, resolves #1495.

The syntax for edges is extended to allow for extra
dashes/equals signs/dots (depending on the edge type). Each added
character increases the length of the edge by one rank level, as
follows:

Length            |    1   |    2    |     3    |
------------------|:------:|:-------:|:--------:|
Normal            |  `---` |  `----` |  `-----` |
Normal with arrow |  `-->` |  `--->` |  `---->` |
Thick             |  `===` |  `====` |  `=====` |
Thick with arrow  |  `==>` |  `===>` |  `====>` |
Dotted            |  `-.-` |  `-..-` |  `-...-` |
Dotted with arrow | `-.->` | `-..->` | `-...->` |

This features leverages the `minlen` property exposed by Dagre which was
not previously available when using Mermaid.
This commit is contained in:
Mattéo Delabre
2020-08-07 01:20:44 +02:00
parent a97cc62d0a
commit 01344a991d
14 changed files with 870 additions and 898 deletions

504
dist/mermaid.js vendored

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